Registered HiGHS reference LP

Single-adapter Release latency report; no competitor or speedup claim.

Report lp-20261012T000346Z-ee5e9193b7a5. Source 6780941b80fd1e94d6b5a6c5142822d5273bfa3f. Outcome support: unestablished. Numerical matches to analytic references are not validated arithmetic certificates or a complete optimizer family.

Measured/test source (external) · Report specification (external)

Numerical cases

All authored coefficients and bounds are saved in scenarios.json. The returned-result column identifies the first trial; every trial, including failures, appears below and in CSV. Complementarity, certificates and complete minimizer families are unavailable.

CaseAnalytic referenceReference objectiveFirst returned trialMatched / expectedFailed / missingValidity
offset-triangleoptimal: x+2y <= 2(x+y) <= 2; value5 attained at(0,1).5.0{"termination": "completed", "outcome": "optimal", "primal": [0.0, 1.0], "original_objective": 5.0, "row_violation": 0.0, "variable_violation": 0.0}7/70/0matches analytic reference
scalar-positiveoptimal: Positive slope selects lower endpoint-1.-1.0{"termination": "completed", "outcome": "optimal", "primal": [-1.0], "original_objective": -1.0, "row_violation": 0.0, "variable_violation": 0.0}7/70/0matches analytic reference
scalar-negativeoptimal: Negative slope selects upper endpoint4.-6.0{"termination": "completed", "outcome": "optimal", "primal": [4.0], "original_objective": -6.0, "row_violation": 0.0, "variable_violation": 0.0}7/70/0matches analytic reference
contradictory-rowsinfeasible: x<=0 and x>=1 contradict.unavailable — infeasible{"termination": "completed", "outcome": "infeasible", "primal": [1.0], "original_objective": 0.0, "row_violation": 1.0, "variable_violation": 0.0}7/70/0matches analytic reference
free-unboundedunbounded: -x tends to minus infinity as x grows.unavailable — unbounded{"termination": "completed", "outcome": "unbounded", "primal": [0.0], "original_objective": 0.0, "row_violation": 0.0, "variable_violation": 0.0}7/70/0matches analytic reference

Inclusive latency (ns)

Successful input-to-verified-result latency excludes object destruction, serialization, process startup and application orchestration. Exceptional intervals labelled end_to_end_including_unwind include owned cleanup and remain excluded from successful summaries. Nested phases are not added to end-to-end. Range means minimum to maximum; it is not a confidence interval. Fewer than five or failed/incomplete trials have no successful latency summary.

CasePhaseMedian (ns)Min (ns)Max (ns)
offset-triangleinput_publication190011002000
offset-triangleregistration_preparation190018002000
offset-triangleworkspace_creation200100200
offset-trianglepublic_run186500172800190200
offset-triangleindependent_verification190018002200
offset-triangleend_to_end192000177900196300
scalar-positiveinput_publication10009001700
scalar-positiveregistration_preparation200020002300
scalar-positiveworkspace_creation200200200
scalar-positivepublic_run109000102900115100
scalar-positiveindependent_verification180016001900
scalar-positiveend_to_end114300108000120700
scalar-negativeinput_publication7007002200
scalar-negativeregistration_preparation180018002000
scalar-negativeworkspace_creation200100200
scalar-negativepublic_run103200100500110100
scalar-negativeindependent_verification150013001700
scalar-negativeend_to_end107600105100115800
contradictory-rowsinput_publication130011002100
contradictory-rowsregistration_preparation180017002100
contradictory-rowsworkspace_creation100100200
contradictory-rowspublic_run168700163800185600
contradictory-rowsindependent_verification170015001700
contradictory-rowsend_to_end174600169000191100
free-unboundedinput_publication10009001900
free-unboundedregistration_preparation210019002600
free-unboundedworkspace_creation200100300
free-unboundedpublic_run112800106200121100
free-unboundedindependent_verification150014001600
free-unboundedend_to_end117900111100127300
Exact phase boundaries
input_publication
Copy authored input and validate/deep-copy the immutable program.
registration_preparation
Register the actual backend, select and snapshot the prepared pipeline.
workspace_creation
Create the exclusive bound workspace.
public_run
Run the public operation and consume status/witness bits/residual presence/diagnostic length. Includes native translation, solve, logging and in-run checks.
independent_verification
Check literal answers, original constraints, identities and numerical evidence after the public call.
end_to_end
Input-to-verified-result interval including the preceding phases and intervening harness work, before destruction.
record_serialization
Build trial JSON after numerical timing; separate following event excludes write/flush.
Analytic LP microfixtures, numerical output with unestablished support. Separate public_run and input-to-verified-result panels; no additive stack.

Returned results, residuals and diagnostics

offset-triangle, round 1: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0,
      1.0
    ],
    "original_objective": 5.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=offset-triangle\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=5\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=5\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 1 rows; 2 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [1e+00, 2e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0    -2.9999971925e+00 Ph1: 1(2); Du: 2(3) 0s\n          1     5.0000000000e+00 Pr: 0(0) 0s\nModel status        : Optimal\nSimplex   iterations: 1\nObjective value     :  5.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
    "input_publication": {
      "available": true,
      "start_tick": "503217970975300",
      "end_tick": "503217970976600",
      "duration_ns": 1300,
      "unit": "ns",
      "scope": "input_publication"
    },
    "registration_preparation": {
      "available": true,
      "start_tick": "503217970976700",
      "end_tick": "503217970978700",
      "duration_ns": 2000,
      "unit": "ns",
      "scope": "registration_preparation"
    },
    "workspace_creation": {
      "available": true,
      "start_tick": "503217970978900",
      "end_tick": "503217970979100",
      "duration_ns": 200,
      "unit": "ns",
      "scope": "workspace_creation"
    },
    "public_run": {
      "available": true,
      "start_tick": "503217970979100",
      "end_tick": "503217971166000",
      "duration_ns": 186900,
      "unit": "ns",
      "scope": "public_run"
    },
    "independent_verification": {
      "available": true,
      "start_tick": "503217971166100",
      "end_tick": "503217971168300",
      "duration_ns": 2200,
      "unit": "ns",
      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217970975300",
      "end_tick": "503217971168300",
      "duration_ns": 193000,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-positive, round 1: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      -1.0
    ],
    "original_objective": -1.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 6.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 3.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-positive\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-1\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-1\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [3e+00, 3e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -1.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
    "input_publication": {
      "available": true,
      "start_tick": "503217971261000",
      "end_tick": "503217971262100",
      "duration_ns": 1100,
      "unit": "ns",
      "scope": "input_publication"
    },
    "registration_preparation": {
      "available": true,
      "start_tick": "503217971262200",
      "end_tick": "503217971264200",
      "duration_ns": 2000,
      "unit": "ns",
      "scope": "registration_preparation"
    },
    "workspace_creation": {
      "available": true,
      "start_tick": "503217971264400",
      "end_tick": "503217971264600",
      "duration_ns": 200,
      "unit": "ns",
      "scope": "workspace_creation"
    },
    "public_run": {
      "available": true,
      "start_tick": "503217971264700",
      "end_tick": "503217971375700",
      "duration_ns": 111000,
      "unit": "ns",
      "scope": "public_run"
    },
    "independent_verification": {
      "available": true,
      "start_tick": "503217971375800",
      "end_tick": "503217971377700",
      "duration_ns": 1900,
      "unit": "ns",
      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217971261000",
      "end_tick": "503217971377700",
      "duration_ns": 116700,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-negative, round 1: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      4.0
    ],
    "original_objective": -6.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-negative\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-6\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-6\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [2e+00, 2e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -6.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
    "input_publication": {
      "available": true,
      "start_tick": "503217971446100",
      "end_tick": "503217971447800",
      "duration_ns": 1700,
      "unit": "ns",
      "scope": "input_publication"
    },
    "registration_preparation": {
      "available": true,
      "start_tick": "503217971447900",
      "end_tick": "503217971449700",
      "duration_ns": 1800,
      "unit": "ns",
      "scope": "registration_preparation"
    },
    "workspace_creation": {
      "available": true,
      "start_tick": "503217971449900",
      "end_tick": "503217971450000",
      "duration_ns": 100,
      "unit": "ns",
      "scope": "workspace_creation"
    },
    "public_run": {
      "available": true,
      "start_tick": "503217971450100",
      "end_tick": "503217971560200",
      "duration_ns": 110100,
      "unit": "ns",
      "scope": "public_run"
    },
    "independent_verification": {
      "available": true,
      "start_tick": "503217971560200",
      "end_tick": "503217971561900",
      "duration_ns": 1700,
      "unit": "ns",
      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217971446100",
      "end_tick": "503217971561900",
      "duration_ns": 115800,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
contradictory-rows, round 1: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "infeasible",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      1.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 1.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 5.048709793414476e-29,
        "scale": 1.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 1.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=contradictory-rows\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=8\nnative.model_status_name=Infeasible\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=1\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=0\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 2 rows; 1 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [0e+00, 0e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0     0.0000000000e+00 Pr: 1(1); Du: 0(7.70355e-13) 0s\n          1     5.0487097934e-29 0s\nWARNING: LP solution KKT conditions\nnum/max      1 /        1 (relative      1 /      0.5) primal infeasibilities     (tolerance = 1e-08)\nnum/max      0 /        0 (relative      0 /        0)   dual infeasibilities     (tolerance = 1e-08)\n                                         0 / 5.05e-29  P-D objective error        (tolerance = 1e-07)\nModel status        : Infeasible\nSimplex   iterations: 1\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0487097934e-29\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 200,
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      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217971623400",
      "end_tick": "503217971814500",
      "duration_ns": 191100,
      "unit": "ns",
      "scope": "end_to_end"
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  }
}
free-unbounded, round 1: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "unbounded",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "free-unbounded"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": null,
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=free-unbounded\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=10\nnative.model_status_name=Unbounded\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=0\nnative.dual_infeasibility=1\nnative.simplex_iterations=0\noriginal.objective=0\ndual.unavailable=invalid dimensions, nonfinite values or nonzero free-interval multiplier\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [1e+00, 1e+00]\n  Bound  [0e+00, 0e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nWARNING: LP solution KKT conditions\nnum/max      0 /        0 (relative      0 /        0) primal infeasibilities     (tolerance = 1e-08)\nnum/max      1 /        1 (relative      1 /      0.5)   dual infeasibilities     (tolerance = 1e-08)\n                                         1 /      0.5  P-D objective error        (tolerance = 1e-07)\nModel status        : Unbounded\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0000000000e-01\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
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    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 127300,
      "unit": "ns",
      "scope": "end_to_end"
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  }
}
offset-triangle, round 2: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0,
      1.0
    ],
    "original_objective": 5.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=offset-triangle\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=5\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=5\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 1 rows; 2 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [1e+00, 2e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0    -2.9999971925e+00 Ph1: 1(2); Du: 2(3) 0s\n          1     5.0000000000e+00 Pr: 0(0) 0s\nModel status        : Optimal\nSimplex   iterations: 1\nObjective value     :  5.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 196300,
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      "scope": "end_to_end"
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  }
}
scalar-positive, round 2: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      -1.0
    ],
    "original_objective": -1.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 6.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 3.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-positive\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-1\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-1\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [3e+00, 3e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -1.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
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    "error": null,
    "diagnostics": []
  },
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      "duration_ns": 108000,
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  }
}
scalar-negative, round 2: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      4.0
    ],
    "original_objective": -6.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-negative\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-6\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-6\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [2e+00, 2e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -6.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "registration_preparation": {
      "available": true,
      "start_tick": "503217972552800",
      "end_tick": "503217972554600",
      "duration_ns": 1800,
      "unit": "ns",
      "scope": "registration_preparation"
    },
    "workspace_creation": {
      "available": true,
      "start_tick": "503217972554700",
      "end_tick": "503217972554900",
      "duration_ns": 200,
      "unit": "ns",
      "scope": "workspace_creation"
    },
    "public_run": {
      "available": true,
      "start_tick": "503217972554900",
      "end_tick": "503217972658100",
      "duration_ns": 103200,
      "unit": "ns",
      "scope": "public_run"
    },
    "independent_verification": {
      "available": true,
      "start_tick": "503217972658200",
      "end_tick": "503217972659500",
      "duration_ns": 1300,
      "unit": "ns",
      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217972552000",
      "end_tick": "503217972659600",
      "duration_ns": 107600,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
contradictory-rows, round 2: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "infeasible",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      1.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 1.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 5.048709793414476e-29,
        "scale": 1.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 1.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=contradictory-rows\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=8\nnative.model_status_name=Infeasible\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=1\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=0\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 2 rows; 1 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [0e+00, 0e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0     0.0000000000e+00 Pr: 1(1); Du: 0(7.70355e-13) 0s\n          1     5.0487097934e-29 0s\nWARNING: LP solution KKT conditions\nnum/max      1 /        1 (relative      1 /      0.5) primal infeasibilities     (tolerance = 1e-08)\nnum/max      0 /        0 (relative      0 /        0)   dual infeasibilities     (tolerance = 1e-08)\n                                         0 / 5.05e-29  P-D objective error        (tolerance = 1e-07)\nModel status        : Infeasible\nSimplex   iterations: 1\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0487097934e-29\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 2100,
      "unit": "ns",
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    "registration_preparation": {
      "available": true,
      "start_tick": "503217972719700",
      "end_tick": "503217972721500",
      "duration_ns": 1800,
      "unit": "ns",
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    "workspace_creation": {
      "available": true,
      "start_tick": "503217972721600",
      "end_tick": "503217972721700",
      "duration_ns": 100,
      "unit": "ns",
      "scope": "workspace_creation"
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    "public_run": {
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      "end_tick": "503217972890500",
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    "independent_verification": {
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      "end_tick": "503217972892200",
      "duration_ns": 1600,
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      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217972717600",
      "end_tick": "503217972892200",
      "duration_ns": 174600,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
free-unbounded, round 2: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "unbounded",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "free-unbounded"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": null,
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=free-unbounded\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=10\nnative.model_status_name=Unbounded\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=0\nnative.dual_infeasibility=1\nnative.simplex_iterations=0\noriginal.objective=0\ndual.unavailable=invalid dimensions, nonfinite values or nonzero free-interval multiplier\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [1e+00, 1e+00]\n  Bound  [0e+00, 0e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nWARNING: LP solution KKT conditions\nnum/max      0 /        0 (relative      0 /        0) primal infeasibilities     (tolerance = 1e-08)\nnum/max      1 /        1 (relative      1 /      0.5)   dual infeasibilities     (tolerance = 1e-08)\n                                         1 /      0.5  P-D objective error        (tolerance = 1e-07)\nModel status        : Unbounded\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0000000000e-01\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "end_to_end": {
      "available": true,
      "start_tick": "503217972976500",
      "end_tick": "503217973099000",
      "duration_ns": 122500,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
offset-triangle, round 3: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0,
      1.0
    ],
    "original_objective": 5.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=offset-triangle\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=5\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=5\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 1 rows; 2 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [1e+00, 2e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0    -2.9999971925e+00 Ph1: 1(2); Du: 2(3) 0s\n          1     5.0000000000e+00 Pr: 0(0) 0s\nModel status        : Optimal\nSimplex   iterations: 1\nObjective value     :  5.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "public_run": {
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      "end_tick": "503217973349700",
      "duration_ns": 186000,
      "unit": "ns",
      "scope": "end_to_end"
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  }
}
scalar-positive, round 3: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      -1.0
    ],
    "original_objective": -1.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 6.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 3.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-positive\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-1\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-1\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [3e+00, 3e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -1.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "independent_verification": {
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      "available": true,
      "start_tick": "503217973425500",
      "end_tick": "503217973539800",
      "duration_ns": 114300,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-negative, round 3: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      4.0
    ],
    "original_objective": -6.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-negative\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-6\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-6\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [2e+00, 2e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -6.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
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  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "registration_preparation": {
      "available": true,
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      "scope": "independent_verification"
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    "end_to_end": {
      "available": true,
      "start_tick": "503217973600300",
      "end_tick": "503217973707400",
      "duration_ns": 107100,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
contradictory-rows, round 3: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "infeasible",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      1.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 1.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 5.048709793414476e-29,
        "scale": 1.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 1.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=contradictory-rows\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=8\nnative.model_status_name=Infeasible\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=1\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=0\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 2 rows; 1 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [0e+00, 0e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0     0.0000000000e+00 Pr: 1(1); Du: 0(7.70355e-13) 0s\n          1     5.0487097934e-29 0s\nWARNING: LP solution KKT conditions\nnum/max      1 /        1 (relative      1 /      0.5) primal infeasibilities     (tolerance = 1e-08)\nnum/max      0 /        0 (relative      0 /        0)   dual infeasibilities     (tolerance = 1e-08)\n                                         0 / 5.05e-29  P-D objective error        (tolerance = 1e-07)\nModel status        : Infeasible\nSimplex   iterations: 1\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0487097934e-29\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "start_tick": "503217973771900",
      "end_tick": "503217973773800",
      "duration_ns": 1900,
      "unit": "ns",
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    },
    "registration_preparation": {
      "available": true,
      "start_tick": "503217973773900",
      "end_tick": "503217973775600",
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      "end_tick": "503217973775900",
      "duration_ns": 200,
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      "duration_ns": 1600,
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      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217973771900",
      "end_tick": "503217973943700",
      "duration_ns": 171800,
      "unit": "ns",
      "scope": "end_to_end"
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  }
}
free-unbounded, round 3: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "unbounded",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "free-unbounded"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": null,
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=free-unbounded\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=10\nnative.model_status_name=Unbounded\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=0\nnative.dual_infeasibility=1\nnative.simplex_iterations=0\noriginal.objective=0\ndual.unavailable=invalid dimensions, nonfinite values or nonzero free-interval multiplier\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [1e+00, 1e+00]\n  Bound  [0e+00, 0e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nWARNING: LP solution KKT conditions\nnum/max      0 /        0 (relative      0 /        0) primal infeasibilities     (tolerance = 1e-08)\nnum/max      1 /        1 (relative      1 /      0.5)   dual infeasibilities     (tolerance = 1e-08)\n                                         1 /      0.5  P-D objective error        (tolerance = 1e-07)\nModel status        : Unbounded\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0000000000e-01\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 111100,
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      "scope": "end_to_end"
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  }
}
offset-triangle, round 4: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0,
      1.0
    ],
    "original_objective": 5.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=offset-triangle\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=5\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=5\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 1 rows; 2 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [1e+00, 2e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0    -2.9999971925e+00 Ph1: 1(2); Du: 2(3) 0s\n          1     5.0000000000e+00 Pr: 0(0) 0s\nModel status        : Optimal\nSimplex   iterations: 1\nObjective value     :  5.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 1100,
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      "duration_ns": 177900,
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      "scope": "end_to_end"
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  }
}
scalar-positive, round 4: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      -1.0
    ],
    "original_objective": -1.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 6.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 3.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-positive\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-1\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-1\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [3e+00, 3e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -1.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
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  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
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  "timings": {
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    "public_run": {
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      "end_tick": "503217974556000",
      "duration_ns": 105000,
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      "duration_ns": 1700,
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    "end_to_end": {
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      "start_tick": "503217974446900",
      "end_tick": "503217974557800",
      "duration_ns": 110900,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-negative, round 4: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      4.0
    ],
    "original_objective": -6.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-negative\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-6\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-6\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [2e+00, 2e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -6.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "unit": "ns",
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    "registration_preparation": {
      "available": true,
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      "end_tick": "503217974725200",
      "duration_ns": 105100,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
contradictory-rows, round 4: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "infeasible",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      1.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 1.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 5.048709793414476e-29,
        "scale": 1.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 1.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=contradictory-rows\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=8\nnative.model_status_name=Infeasible\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=1\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=0\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 2 rows; 1 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [0e+00, 0e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0     0.0000000000e+00 Pr: 1(1); Du: 0(7.70355e-13) 0s\n          1     5.0487097934e-29 0s\nWARNING: LP solution KKT conditions\nnum/max      1 /        1 (relative      1 /      0.5) primal infeasibilities     (tolerance = 1e-08)\nnum/max      0 /        0 (relative      0 /        0)   dual infeasibilities     (tolerance = 1e-08)\n                                         0 / 5.05e-29  P-D objective error        (tolerance = 1e-07)\nModel status        : Infeasible\nSimplex   iterations: 1\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0487097934e-29\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    },
    "end_to_end": {
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      "start_tick": "503217974785400",
      "end_tick": "503217974954400",
      "duration_ns": 169000,
      "unit": "ns",
      "scope": "end_to_end"
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  }
}
free-unbounded, round 4: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "unbounded",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "free-unbounded"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": null,
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=free-unbounded\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=10\nnative.model_status_name=Unbounded\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=0\nnative.dual_infeasibility=1\nnative.simplex_iterations=0\noriginal.objective=0\ndual.unavailable=invalid dimensions, nonfinite values or nonzero free-interval multiplier\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [1e+00, 1e+00]\n  Bound  [0e+00, 0e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nWARNING: LP solution KKT conditions\nnum/max      0 /        0 (relative      0 /        0) primal infeasibilities     (tolerance = 1e-08)\nnum/max      1 /        1 (relative      1 /      0.5)   dual infeasibilities     (tolerance = 1e-08)\n                                         1 /      0.5  P-D objective error        (tolerance = 1e-07)\nModel status        : Unbounded\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0000000000e-01\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
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    "error": null,
    "diagnostics": []
  },
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      "duration_ns": 115900,
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      "scope": "end_to_end"
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  }
}
offset-triangle, round 5: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0,
      1.0
    ],
    "original_objective": 5.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=offset-triangle\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=5\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=5\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 1 rows; 2 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [1e+00, 2e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0    -2.9999971925e+00 Ph1: 1(2); Du: 2(3) 0s\n          1     5.0000000000e+00 Pr: 0(0) 0s\nModel status        : Optimal\nSimplex   iterations: 1\nObjective value     :  5.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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}
scalar-positive, round 5: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      -1.0
    ],
    "original_objective": -1.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 6.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 3.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-positive\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-1\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-1\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [3e+00, 3e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -1.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
    "input_publication": {
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      "end_tick": "503217975479700",
      "duration_ns": 1200,
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    "registration_preparation": {
      "available": true,
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    "workspace_creation": {
      "available": true,
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      "end_tick": "503217975482300",
      "duration_ns": 200,
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    "public_run": {
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      "end_tick": "503217975593300",
      "duration_ns": 110900,
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    "independent_verification": {
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      "end_tick": "503217975595000",
      "duration_ns": 1600,
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      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217975478400",
      "end_tick": "503217975595100",
      "duration_ns": 116700,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-negative, round 5: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      4.0
    ],
    "original_objective": -6.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-negative\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-6\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-6\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [2e+00, 2e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -6.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
    "input_publication": {
      "available": true,
      "start_tick": "503217975658600",
      "end_tick": "503217975659300",
      "duration_ns": 700,
      "unit": "ns",
      "scope": "input_publication"
    },
    "registration_preparation": {
      "available": true,
      "start_tick": "503217975659400",
      "end_tick": "503217975661200",
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    },
    "workspace_creation": {
      "available": true,
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      "duration_ns": 200,
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    "public_run": {
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    "independent_verification": {
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      "end_tick": "503217975763700",
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      "unit": "ns",
      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217975658500",
      "end_tick": "503217975763800",
      "duration_ns": 105300,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
contradictory-rows, round 5: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "infeasible",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      1.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 1.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 5.048709793414476e-29,
        "scale": 1.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 1.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=contradictory-rows\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=8\nnative.model_status_name=Infeasible\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=1\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=0\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 2 rows; 1 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [0e+00, 0e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0     0.0000000000e+00 Pr: 1(1); Du: 0(7.70355e-13) 0s\n          1     5.0487097934e-29 0s\nWARNING: LP solution KKT conditions\nnum/max      1 /        1 (relative      1 /      0.5) primal infeasibilities     (tolerance = 1e-08)\nnum/max      0 /        0 (relative      0 /        0)   dual infeasibilities     (tolerance = 1e-08)\n                                         0 / 5.05e-29  P-D objective error        (tolerance = 1e-07)\nModel status        : Infeasible\nSimplex   iterations: 1\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0487097934e-29\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
    "input_publication": {
      "available": true,
      "start_tick": "503217975821700",
      "end_tick": "503217975823800",
      "duration_ns": 2100,
      "unit": "ns",
      "scope": "input_publication"
    },
    "registration_preparation": {
      "available": true,
      "start_tick": "503217975823800",
      "end_tick": "503217975825500",
      "duration_ns": 1700,
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    "workspace_creation": {
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      "end_tick": "503217975825800",
      "duration_ns": 200,
      "unit": "ns",
      "scope": "workspace_creation"
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    "public_run": {
      "available": true,
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      "end_tick": "503217975991700",
      "duration_ns": 165900,
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    },
    "independent_verification": {
      "available": true,
      "start_tick": "503217975991800",
      "end_tick": "503217975993300",
      "duration_ns": 1500,
      "unit": "ns",
      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217975821700",
      "end_tick": "503217975993300",
      "duration_ns": 171600,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
free-unbounded, round 5: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "unbounded",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "free-unbounded"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": null,
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=free-unbounded\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=10\nnative.model_status_name=Unbounded\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=0\nnative.dual_infeasibility=1\nnative.simplex_iterations=0\noriginal.objective=0\ndual.unavailable=invalid dimensions, nonfinite values or nonzero free-interval multiplier\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [1e+00, 1e+00]\n  Bound  [0e+00, 0e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nWARNING: LP solution KKT conditions\nnum/max      0 /        0 (relative      0 /        0) primal infeasibilities     (tolerance = 1e-08)\nnum/max      1 /        1 (relative      1 /      0.5)   dual infeasibilities     (tolerance = 1e-08)\n                                         1 /      0.5  P-D objective error        (tolerance = 1e-07)\nModel status        : Unbounded\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0000000000e-01\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "registration_preparation": {
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    "public_run": {
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      "end_tick": "503217976192000",
      "duration_ns": 112800,
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      "scope": "independent_verification"
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    "end_to_end": {
      "available": true,
      "start_tick": "503217976075600",
      "end_tick": "503217976193500",
      "duration_ns": 117900,
      "unit": "ns",
      "scope": "end_to_end"
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  }
}
offset-triangle, round 6: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0,
      1.0
    ],
    "original_objective": 5.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=offset-triangle\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=5\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=5\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 1 rows; 2 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [1e+00, 2e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0    -2.9999971925e+00 Ph1: 1(2); Du: 2(3) 0s\n          1     5.0000000000e+00 Pr: 0(0) 0s\nModel status        : Optimal\nSimplex   iterations: 1\nObjective value     :  5.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
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  "timings": {
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      "duration_ns": 182700,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-positive, round 6: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      -1.0
    ],
    "original_objective": -1.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 6.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 3.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-positive\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-1\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-1\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [3e+00, 3e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -1.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 120700,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-negative, round 6: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      4.0
    ],
    "original_objective": -6.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-negative\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-6\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-6\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [2e+00, 2e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -6.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 114300,
      "unit": "ns",
      "scope": "end_to_end"
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  }
}
contradictory-rows, round 6: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "infeasible",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      1.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 1.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 5.048709793414476e-29,
        "scale": 1.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 1.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=contradictory-rows\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=8\nnative.model_status_name=Infeasible\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=1\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=0\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 2 rows; 1 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [0e+00, 0e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0     0.0000000000e+00 Pr: 1(1); Du: 0(7.70355e-13) 0s\n          1     5.0487097934e-29 0s\nWARNING: LP solution KKT conditions\nnum/max      1 /        1 (relative      1 /      0.5) primal infeasibilities     (tolerance = 1e-08)\nnum/max      0 /        0 (relative      0 /        0)   dual infeasibilities     (tolerance = 1e-08)\n                                         0 / 5.05e-29  P-D objective error        (tolerance = 1e-07)\nModel status        : Infeasible\nSimplex   iterations: 1\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0487097934e-29\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "start_tick": "503217976938400",
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      "duration_ns": 175400,
      "unit": "ns",
      "scope": "end_to_end"
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}
free-unbounded, round 6: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "unbounded",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "free-unbounded"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": null,
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=free-unbounded\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=10\nnative.model_status_name=Unbounded\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=0\nnative.dual_infeasibility=1\nnative.simplex_iterations=0\noriginal.objective=0\ndual.unavailable=invalid dimensions, nonfinite values or nonzero free-interval multiplier\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [1e+00, 1e+00]\n  Bound  [0e+00, 0e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nWARNING: LP solution KKT conditions\nnum/max      0 /        0 (relative      0 /        0) primal infeasibilities     (tolerance = 1e-08)\nnum/max      1 /        1 (relative      1 /      0.5)   dual infeasibilities     (tolerance = 1e-08)\n                                         1 /      0.5  P-D objective error        (tolerance = 1e-07)\nModel status        : Unbounded\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0000000000e-01\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
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    "error": null,
    "diagnostics": []
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      "end_tick": "503217977211400",
      "duration_ns": 2100,
      "unit": "ns",
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    },
    "workspace_creation": {
      "available": true,
      "start_tick": "503217977211500",
      "end_tick": "503217977211700",
      "duration_ns": 200,
      "unit": "ns",
      "scope": "workspace_creation"
    },
    "public_run": {
      "available": true,
      "start_tick": "503217977211800",
      "end_tick": "503217977319000",
      "duration_ns": 107200,
      "unit": "ns",
      "scope": "public_run"
    },
    "independent_verification": {
      "available": true,
      "start_tick": "503217977319100",
      "end_tick": "503217977320700",
      "duration_ns": 1600,
      "unit": "ns",
      "scope": "independent_verification"
    },
    "end_to_end": {
      "available": true,
      "start_tick": "503217977208200",
      "end_tick": "503217977320700",
      "duration_ns": 112500,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
offset-triangle, round 7: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0,
      1.0
    ],
    "original_objective": 5.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "offset-triangle"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=offset-triangle\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=5\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=5\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 1 rows; 2 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [1e+00, 2e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0    -2.9999971925e+00 Ph1: 1(2); Du: 2(3) 0s\n          1     5.0000000000e+00 Pr: 0(0) 0s\nModel status        : Optimal\nSimplex   iterations: 1\nObjective value     :  5.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "registration_preparation": {
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    "public_run": {
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      "end_tick": "503217977579000",
      "duration_ns": 1900,
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    "end_to_end": {
      "available": true,
      "start_tick": "503217977385200",
      "end_tick": "503217977579000",
      "duration_ns": 193800,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-positive, round 7: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      -1.0
    ],
    "original_objective": -1.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-positive"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 6.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 3.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-positive\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-1\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-1\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [3e+00, 3e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -1.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "end_to_end": {
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      "start_tick": "503217977660700",
      "end_tick": "503217977773800",
      "duration_ns": 113100,
      "unit": "ns",
      "scope": "end_to_end"
    }
  }
}
scalar-negative, round 7: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "optimal",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      4.0
    ],
    "original_objective": -6.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 4.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "scalar-negative"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 0.0,
        "scale": 4.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 2.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=scalar-negative\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=7\nnative.model_status_name=Optimal\nstop=none\nnative.info=available\nnative.objective=-6\nnative.primal_infeasibility=0\nnative.dual_infeasibility=0\nnative.simplex_iterations=0\noriginal.objective=-6\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nModel has either no columns or no rows, so ignoring user constraint matrix data and initialising empty matrix\nLP   has 0 rows; 1 cols; 0 nonzeros\nCoefficient ranges:\n  Cost   [2e+00, 2e+00]\n  Bound  [1e+00, 4e+00]\nSolving LP without presolve, or with basis, or unconstrained\nSolving an unconstrained LP with 1 columns\nModel status        : Optimal\nObjective value     : -6.0000000000e+00\nP-D objective error :  0.0000000000e+00\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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      "duration_ns": 1700,
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    "registration_preparation": {
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    "end_to_end": {
      "available": true,
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      "duration_ns": 108500,
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      "scope": "end_to_end"
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  }
}
contradictory-rows, round 7: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "infeasible",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      1.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 1.0,
        "scale": 1.0
      },
      "variables": {
        "violation": 0.0,
        "scale": 1.0
      }
    },
    "dual_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "contradictory-rows"
        },
        "verifier": {
          "id": "csl.lp.highs.dual",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "stationarity": {
        "violation": 5.048709793414476e-29,
        "scale": 1.0
      },
      "signs": {
        "violation": 0.0,
        "scale": 1.0
      },
      "complementarity": null
    },
    "raw_diagnostics": "adapter.version=1.0.0+highs.1.11.0\nnative.version=1.11.0\nnative.githash=n/a\nnative.archive_sha256=2b44b074cf41439325ce4d0bbdac2d51379f56faf17ba15320a410d3c1f07275\nprogram.problem=html01-literals\nprogram.id=contradictory-rows\noptions.solver=simplex\noptions.presolve=off\noptions.parallel=off\noptions.threads=1\noptions.random_seed=0\noptions.allow_unbounded_or_infeasible=false\noptions.log_to_console=true\nlogging.destination=callback\noptions.absolute_tolerance=1e-08\nresidual.relative_tolerance=1e-08\noptions.small_matrix_value=1e-12\noptions.infinite_bound=inf\noptions.infinite_cost=inf\noptions.large_matrix_value=inf\noptions.iteration_limit=2147483647\noptions.time_limit=inf\nmodel.reused=false\nnative.load_status=0\nnative_run=true\nnative.call_status=0\nnative.call_status_name=OK\nnative.model_status=8\nnative.model_status_name=Infeasible\nstop=none\nnative.info=available\nnative.objective=0\nnative.primal_infeasibility=1\nnative.dual_infeasibility=0\nnative.simplex_iterations=1\noriginal.objective=0\ncomplementarity=unavailable\ncertificates=unavailable\nbasis=unavailable\nnative.log:\nRunning HiGHS 1.11.0 (git hash: n/a): Copyright (c) 2025 HiGHS under MIT licence terms\nLP   has 2 rows; 1 cols; 2 nonzeros\nCoefficient ranges:\n  Matrix [1e+00, 1e+00]\n  Cost   [0e+00, 0e+00]\n  Bound  [0e+00, 0e+00]\n  RHS    [1e+00, 1e+00]\nSolving LP without presolve, or with basis, or unconstrained\nUsing EKK dual simplex solver - serial\n  Iteration        Objective     Infeasibilities num(sum)\n          0     0.0000000000e+00 Pr: 1(1); Du: 0(7.70355e-13) 0s\n          1     5.0487097934e-29 0s\nWARNING: LP solution KKT conditions\nnum/max      1 /        1 (relative      1 /      0.5) primal infeasibilities     (tolerance = 1e-08)\nnum/max      0 /        0 (relative      0 /        0)   dual infeasibilities     (tolerance = 1e-08)\n                                         0 / 5.05e-29  P-D objective error        (tolerance = 1e-07)\nModel status        : Infeasible\nSimplex   iterations: 1\nObjective value     :  0.0000000000e+00\nP-D objective error :  5.0487097934e-29\nHiGHS run time      :          0.00\n"
  },
  "validation": {
    "passed": true,
    "errors": []
  },
  "harness": {
    "status": "returned",
    "error": null,
    "diagnostics": []
  },
  "timings": {
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    "public_run": {
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    "independent_verification": {
      "available": true,
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      "end_tick": "503217978189700",
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      "scope": "independent_verification"
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    "end_to_end": {
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      "start_tick": "503217978013200",
      "end_tick": "503217978189700",
      "duration_ns": 176500,
      "unit": "ns",
      "scope": "end_to_end"
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  }
}
free-unbounded, round 7: returned — matched
{
  "result": {
    "termination": "completed",
    "outcome": "unbounded",
    "support": {
      "kind": "unestablished"
    },
    "primal": [
      0.0
    ],
    "original_objective": 0.0,
    "objective_unavailable_reason": null,
    "bounds": {
      "lower": null,
      "upper": null
    },
    "family": {
      "available": false,
      "reason": "point only"
    },
    "primal_residuals": {
      "context": {
        "subject": {
          "problem": "html01-literals",
          "program": "free-unbounded"
        },
        "verifier": {
          "id": "csl.lp.highs.primal",
          "version": "1"
        },
        "absolute_tolerance": 1e-08,
        "relative_tolerance": 1e-08
      },
      "rows": {
        "violation": 0.0,
        "scale": 1.0
      },
      "variables": {
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Environment and separate profile

Fresh workspace per trial; process/TLS may be warm. Native-only time, exclusive native/adapter split and per-trial CPU/peak memory are unavailable. Process counters apply only to the separate profile. Limiter: unresolved unless the saved profile supports a broad phase attribution; no inner-kernel claim.

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Raw downloads

Repository artifact fallback (current main) · Repository ZIP fallback. This artifact reference is separate from the measured source commit; availability follows artifact publication.

Export timing is recorded separately in export.json, excluding its own serialization, final manifest and ZIP packaging. The renderer reads saved records and never starts a solver.

Publication lp-20261012T000346Z-9b916da6a4ffd6685e99df3129f6cbaaa73d85c9f12533a828c1e1714dd12ff0; source lp-20261012T000346Z-ee5e9193b7a5. Versioned report envelope · Publication manifest