cpachecker/bin/cpachecker --svcomp24 --heap 10000M --benchmark --option cpa.arg.yamlProofWitness=witness-%s.yml --option witness.yamlexporter.witnessVersions=V2d1,V2 --timelimit 900s --stats --spec sv-benchmarks/c/properties/unreach-call.prp --32 sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. Running CPAchecker with default stack size (1024k). Specify a larger value with --stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c" (CPAchecker.parse, INFO) Using heuristics to select analysis (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: cpa.callstack.unsupportedFunctions termination.violation.witness cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.arg.yamlProofWitness cpa.callstack.skipFunctionPointerRecursion counterexample.export.yaml cpa.composite.aggregateBasicBlocks counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness witness.yamlexporter.witnessVersions (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Performing heuristic ... (SelectionAlgorithm.chooseConfig, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-symbolicExecution.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-symbolicExecution.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-symbolicExecution.properties': 'limits.time.cpu' has two values '900s' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-symbolicExecution.properties': 'limits.time.cpu::required' has two values '900' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 140s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-symbolicExecution.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.0000 Requires alias handling: 0 Requires loop handling: 1 Has a single loop: 0 Requires composite-type handling: 0 Requires array handling: 0 Requires float handling: 0 Requires recursion handling: 0 Relevant addressed vars / relevant vars ratio: 0.0000 Program containing external functions: true Number of all righthand side functions: 6 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 7 Number of algorithms used: 1 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-symbolicExecution.properties Total time for algorithm 1: 5.063s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 8.26 (sum: 19790, count: 2396, min: 0, max: 9) Number of global variables per state: 0.00 (sum: 0, count: 2396, min: 0, max: 0) Number of assumptions: 1238 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 2395 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.012s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 10424 (count: 2395, min: 0, max: 7, avg: 4.35) Symbolic values after refinement: 10424 (count: 2395, min: 0, max: 7, avg: 4.35) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 4.149s Time for SMT check: 2.620s Time for resolving definites: 0.544s Cache lookups: 1008 Direct cache hits: 359 Direct cache lookup time: 0.002s Number of removed outdated constraints: 0 (count: 893, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 0.230s Constraints after refinement in state: 65743 (count: 2395, min: 0, max: 40, avg: 27.45) Constraints before refinement in state: 65743 (count: 2395, min: 0, max: 40, avg: 27.45) Time for constraints adjustment: 0.087s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.024s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 2859, count: 2862, min: 0, max: 1) [0 x 3, 1 x 2859] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 2396 Max size of waitlist: 26 Average size of waitlist: 14 Number of computed successors: 2395 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 4.899s (Max: 4.899s) Time for choose from waitlist: 0.008s Time for precision adjustment: 0.147s Time for transfer relation: 4.658s Time for stop operator: 0.061s Time for adding to reached set: 0.005s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 2396 Max size of waitlist: 26 Average size of waitlist: 14 Number of computed successors: 2395 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 4.899s (Max: 4.899s) Time for choose from waitlist: 0.008s Time for precision adjustment: 0.147s Time for transfer relation: 4.658s Time for stop operator: 0.061s Time for adding to reached set: 0.005s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 80 Number of CFA edges (per node): 102 (count: 80, min: 0, max: 7, avg: 1.27) Number of relevant variables: 13 Number of functions: 4 Number of loops (and loop nodes): 2 (sum: 19, min: 8, max: 11, avg: 9.50) Size of reached set: 2396 Number of reached locations: 48 (60%) Avg states per location: 49 Max states per location: 331 (at node N10) Number of reached functions: 3 (75%) Number of target states: 0 Time for analysis setup: 1.002s Time for loading CPAs: 0.328s Time for loading parser: 0.160s Time for CFA construction: 0.490s Time for parsing file(s): 0.234s Time for AST to CFA: 0.137s Time for CFA sanity check: 0.000s Time for post-processing: 0.081s Time for loop structure: 0.005s Time for AST structure: 0.000s Time for function pointers resolving: 0.003s Function calls via function pointers: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer calls: 0 (count: 1, min: 0, max: 0, avg: 0.00) Function calls with function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Time for classifying variables: 0.052s Time for collecting variables: 0.031s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.020s Time for exporting data: 0.000s Time for Analysis: 5.081s CPU time for analysis: 7.110s Time for analyzing result: 0.001s Total time for CPAchecker: 6.084s Total CPU time for CPAchecker: 8.920s Time for statistics: 0.034s Time for Garbage Collector: 0.078s (in 11 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: TRUE. No property violation found by chosen configuration. Exporting witnesses in Version 2.1 is currently WIP. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-symbolicExecution.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".