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/loop-simple/nested_4.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/loop-simple/nested_4.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: 2 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: 1.303s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 4.00 (sum: 21773, count: 5446, min: 0, max: 4) Number of global variables per state: 0.00 (sum: 0, count: 5446, min: 0, max: 0) Number of assumptions: 7268 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 5445 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.014s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 0 (count: 5445, min: 0, max: 0, avg: 0.00) Symbolic values after refinement: 0 (count: 5445, min: 0, max: 0, avg: 0.00) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 0.054s Time for SMT check: 0.000s Time for resolving definites: 0.000s Cache lookups: 1817 Direct cache hits: 1816 Direct cache lookup time: 0.004s Number of removed outdated constraints: 0 (count: 1817, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 0.015s Constraints after refinement in state: 0 (count: 5445, min: 0, max: 0, avg: 0.00) Constraints before refinement in state: 0 (count: 5445, min: 0, max: 0, avg: 0.00) Time for constraints adjustment: 0.009s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.020s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 5453, count: 5453, min: 1, max: 1) [1 x 5453] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 5446 Max size of waitlist: 1 Average size of waitlist: 1 Number of computed successors: 5445 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 1.144s (Max: 1.144s) Time for choose from waitlist: 0.007s Time for precision adjustment: 0.078s Time for transfer relation: 0.313s Time for stop operator: 0.699s Time for adding to reached set: 0.024s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 5446 Max size of waitlist: 1 Average size of waitlist: 1 Number of computed successors: 5445 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 1.144s (Max: 1.144s) Time for choose from waitlist: 0.007s Time for precision adjustment: 0.078s Time for transfer relation: 0.313s Time for stop operator: 0.699s Time for adding to reached set: 0.024s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 42 Number of CFA edges (per node): 47 (count: 42, min: 0, max: 2, avg: 1.12) Number of relevant variables: 5 Number of functions: 2 Number of loops (and loop nodes): 4 (sum: 42, min: 3, max: 18, avg: 10.50) Size of reached set: 5446 Number of reached locations: 27 (64%) Avg states per location: 201 Max states per location: 1512 (at node N27) Number of reached functions: 1 (50%) Number of target states: 0 Time for analysis setup: 0.812s Time for loading CPAs: 0.276s Time for loading parser: 0.147s Time for CFA construction: 0.353s Time for parsing file(s): 0.161s Time for AST to CFA: 0.089s Time for CFA sanity check: 0.000s Time for post-processing: 0.066s Time for loop structure: 0.006s Time for AST structure: 0.000s Time for function pointers resolving: 0.002s 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: 0.037s Time for collecting variables: 0.020s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.016s Time for exporting data: 0.000s Time for Analysis: 1.328s CPU time for analysis: 2.460s Time for analyzing result: 0.001s Total time for CPAchecker: 2.141s Total CPU time for CPAchecker: 3.980s Time for statistics: 0.035s Time for Garbage Collector: 0.087s (in 12 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) Writing output files from org.sosy_lab.cpachecker.cpa.arg.ARGStatistics took 67.417s. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:StatisticsUtils.writeOutputFiles, WARNING) Writing output files from Restart Algorithm statistics took 67.418s. (StatisticsUtils.writeOutputFiles, WARNING) Writing output files from Selection Algorithm statistics took 67.419s. (StatisticsUtils.writeOutputFiles, WARNING) More details about the verification run can be found in the directory "./output".