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/verifythis/elimination_max.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/verifythis/elimination_max.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) Error path found, starting counterexample check with CPACHECKER. (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:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (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:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (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:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Warning: Analysis 1 not completed. (Error path found, but identified as infeasible by counterexample check with CPACHECKER.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:CounterexampleCheckAlgorithm.run, WARNING) Statistics for algorithm 1 of 7 =============================== Total time for algorithm 1: 0.923s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 6.76 (sum: 1143, count: 169, min: 0, max: 9) Number of global variables per state: 0.00 (sum: 0, count: 169, min: 0, max: 0) Number of assumptions: 110 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 168 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.005s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 670 (count: 168, min: 0, max: 6, avg: 3.99) Symbolic values after refinement: 670 (count: 168, min: 0, max: 6, avg: 3.99) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 0.162s Time for SMT check: 0.044s Time for resolving definites: 0.033s Cache lookups: 86 Direct cache hits: 37 Direct cache lookup time: 0.000s Number of removed outdated constraints: 0 (count: 74, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 0.016s Constraints after refinement in state: 767 (count: 168, min: 0, max: 7, avg: 4.57) Constraints before refinement in state: 767 (count: 168, min: 0, max: 7, avg: 4.57) Time for constraints adjustment: 0.001s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.009s Automaton transfers with branching: 0 Automaton transfer successors: 0.97 (sum: 225, count: 233, min: 0, max: 1) [0 x 8, 1 x 225] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 145 Max size of waitlist: 25 Average size of waitlist: 12 Number of computed successors: 168 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 1 Total time for CPA algorithm: 0.291s (Max: 0.291s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.032s Time for transfer relation: 0.236s Time for stop operator: 0.012s Time for adding to reached set: 0.007s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.427s CPA algorithm statistics ------------------------ Number of iterations: 145 Max size of waitlist: 25 Average size of waitlist: 12 Number of computed successors: 168 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 1 Total time for CPA algorithm: 0.291s (Max: 0.291s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.032s Time for transfer relation: 0.236s Time for stop operator: 0.012s Time for adding to reached set: 0.007s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.427s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.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-valueAnalysis-Cegar.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-valueAnalysis-Cegar.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (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-valueAnalysis-Cegar.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Infeasible counterexample found, but could not remove it from the ARG. Therefore, we cannot prove safety. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, WARNING) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Analysis 2 terminated, but result is unsound. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Statistics for algorithm 2 of 7 =============================== Total time for algorithm 2: 0.523s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 1.55 (sum: 87, count: 56, min: 0, max: 3) Number of global variables per state: 0.00 (sum: 0, count: 56, min: 0, max: 0) Number of assumptions: 76 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 153 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.002s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 0.97 (sum: 216, count: 222, min: 0, max: 1) [0 x 6, 1 x 216] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 134 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 153 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 15 Number of times breaked: 4 Total time for CPA algorithm: 0.049s (Max: 0.016s) Time for choose from waitlist: 0.005s Time for precision adjustment: 0.008s Time for transfer relation: 0.028s Time for stop operator: 0.000s Time for adding to reached set: 0.003s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 4 Number of targets found: 4 (count: 4, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.051s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 2 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.005s Number of interpolations: 2 Number of interpolation queries: 8 (count: 26, min: 0, max: 2, avg: 0.31) Size of interpolant: 0.23 (sum: 6, count: 26, min: 0, max: 1) Number of sliced prefixes: 3 (count: 2, min: 1, max: 2, avg: 1.50) Extracting infeasible sliced prefixes: 0.012s Selecting infeasible sliced prefixes: 0.003s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 4 Number of successful refinements: 2 Number of failed refinements: 0 Max. size of reached set before ref.: 56 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 45.75 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.119s Time for refinements: 0.069s Average time for refinement: 0.017s Max time for refinement: 0.038s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 2 Number of infeasible paths: 2 (100%) Time for counterexample checks: 0.357s CPA algorithm statistics ------------------------ Number of iterations: 134 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 153 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 15 Number of times breaked: 4 Total time for CPA algorithm: 0.049s (Max: 0.016s) Time for choose from waitlist: 0.005s Time for precision adjustment: 0.008s Time for transfer relation: 0.028s Time for stop operator: 0.000s Time for adding to reached set: 0.003s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 4 Number of targets found: 4 (count: 4, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.051s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 2 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.005s Number of interpolations: 2 Number of interpolation queries: 8 (count: 26, min: 0, max: 2, avg: 0.31) Size of interpolant: 0.23 (sum: 6, count: 26, min: 0, max: 1) Number of sliced prefixes: 3 (count: 2, min: 1, max: 2, avg: 1.50) Extracting infeasible sliced prefixes: 0.012s Selecting infeasible sliced prefixes: 0.003s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 4 Number of successful refinements: 2 Number of failed refinements: 0 Max. size of reached set before ref.: 56 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 45.75 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.119s Time for refinements: 0.069s Average time for refinement: 0.017s Max time for refinement: 0.038s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 2 Number of infeasible paths: 2 (100%) Time for counterexample checks: 0.357s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 3 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-predicateAnalysis.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-predicateAnalysis.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-predicateAnalysis.properties': 'limits.time.cpu' has two values '900s' and '200s'. Using '200s'. (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-predicateAnalysis.properties': 'limits.time.cpu::required' has two values '900' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 200s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-predicateAnalysis.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant) and JFactory 1.21. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-predicateAnalysis.properties:PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-predicateAnalysis.properties:PredicateCPA:PredicateCPARefiner., INFO) Starting analysis 3 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 3 not completed. (Refinement failed: Interpolation failed in solver MATHSAT5 with message 'splitting of AB-mixed terms not supported'.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RefinementFailedException.forInterpolationFailureInSolver, WARNING) Statistics for algorithm 3 of 7 =============================== Total time for algorithm 3: 0.448s PredicateCPA statistics ----------------------- Number of abstractions: 23 (8% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 12 (52%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 11 (48%) Times precision was empty: 5 (22%) Times precision was {false}: 8 (35%) Times result was cached: 2 (9%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 8 (35%) Times result was 'false': 7 (30%) Number of strengthen sat checks: 0 Number of coverage checks: 40 BDD entailment checks: 6 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 12 Avg ABE block size: 8.35 (sum: 192, count: 23, min: 3, max: 12) Number of predicates discovered: 11 Number of abstraction locations: 3 Max number of predicates per location: 8 Avg number of predicates per location: 4 Total predicates per abstraction: 51 Max number of predicates per abstraction: 8 Avg number of predicates per abstraction: 3.19 Number of irrelevant predicates: 9 (18%) Number of preds handled by boolean abs: 39 (76%) Total number of models for allsat: 8 Max number of models for allsat: 2 Avg number of models for allsat: 1.00 Time for post operator: 0.036s Time for path formula creation: 0.035s Time for strengthen operator: 0.000s Time for prec operator: 0.086s Time for abstraction: 0.085s (Max: 0.013s, Count: 23) Boolean abstraction: 0.030s Solving time: 0.045s (Max: 0.006s) Model enumeration time: 0.004s Time for BDD construction: 0.004s (Max: 0.004s) Time for merge operator: 0.005s Time for coverage checks: 0.001s Time for BDD entailment checks: 0.001s Total time for SMT solver (w/o itp): 0.049s Number of path formula cache hits: 184 (61%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.029s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 277 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 167, min: 0, max: 0) Time for BDD node cleanup: 0.000s Time for BDD garbage collection: 0.000s (in 0 runs) KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.004s Automaton transfers with branching: 0 Automaton transfer successors: 0.97 (sum: 277, count: 285, min: 0, max: 1) [0 x 8, 1 x 277] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 197 Max size of waitlist: 3 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 89, min: 0, max: 0) CallstackSortedWaitlist: 51.60 (sum: 258, count: 5, min: 13, max: 108) Number of computed successors: 231 Max successors for one state: 2 Number of times merged: 17 Number of times stopped: 17 Number of times breaked: 5 Total time for CPA algorithm: 0.156s (Max: 0.067s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.086s Time for transfer relation: 0.050s Time for merge operator: 0.009s Time for stop operator: 0.000s Time for adding to reached set: 0.003s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.016s Time for path feasibility check: 0.010s Time for predicate extraction from CFA: 0.005s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 4 Avg. length of target path (in blocks): 3.00 (sum: 12, count: 4, min: 2, max: 4) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.200s Path-formulas extraction: 0.000s Counterexample analysis: 0.198s (Max: 0.143s, Calls: 5) Refinement sat check: 0.130s Interpolant computation: 0.025s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.004s Precision update: 0.001s ARG update: 0.003s Length of refined path (in blocks): 3.00 (sum: 9, count: 3, min: 2, max: 4) Number of affected states: 6 (count: 3, min: 1, max: 3, avg: 2.00) Length (states) of path with itp 'true': 0 (count: 3, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 6 (count: 3, min: 1, max: 3, avg: 2.00) Length (states) of path with itp 'false': 0 (count: 3, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 3 (count: 3, min: 0, max: 2, avg: 1.00) Equal non-trivial interpolants along paths: 0 (count: 3, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 5 Number of successful refinements: 4 Number of failed refinements: 1 Max. size of reached set before ref.: 83 Max. size of reached set after ref.: 14 Avg. size of reached set before ref.: 50.20 Avg. size of reached set after ref.: 10.75 Total time for CEGAR algorithm: 0.374s Time for refinements: 0.218s Average time for refinement: 0.043s Max time for refinement: 0.144s CPA algorithm statistics ------------------------ Number of iterations: 197 Max size of waitlist: 3 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 89, min: 0, max: 0) CallstackSortedWaitlist: 51.60 (sum: 258, count: 5, min: 13, max: 108) Number of computed successors: 231 Max successors for one state: 2 Number of times merged: 17 Number of times stopped: 17 Number of times breaked: 5 Total time for CPA algorithm: 0.156s (Max: 0.067s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.086s Time for transfer relation: 0.050s Time for merge operator: 0.009s Time for stop operator: 0.000s Time for adding to reached set: 0.003s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.016s Time for path feasibility check: 0.010s Time for predicate extraction from CFA: 0.005s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 4 Avg. length of target path (in blocks): 3.00 (sum: 12, count: 4, min: 2, max: 4) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.200s Path-formulas extraction: 0.000s Counterexample analysis: 0.198s (Max: 0.143s, Calls: 5) Refinement sat check: 0.130s Interpolant computation: 0.025s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.004s Precision update: 0.001s ARG update: 0.003s Length of refined path (in blocks): 3.00 (sum: 9, count: 3, min: 2, max: 4) Number of affected states: 6 (count: 3, min: 1, max: 3, avg: 2.00) Length (states) of path with itp 'true': 0 (count: 3, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 6 (count: 3, min: 1, max: 3, avg: 2.00) Length (states) of path with itp 'false': 0 (count: 3, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 3 (count: 3, min: 0, max: 2, avg: 1.00) Equal non-trivial interpolants along paths: 0 (count: 3, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 5 Number of successful refinements: 4 Number of failed refinements: 1 Max. size of reached set before ref.: 83 Max. size of reached set after ref.: 14 Avg. size of reached set before ref.: 50.20 Avg. size of reached set after ref.: 10.75 Total time for CEGAR algorithm: 0.374s Time for refinements: 0.218s Average time for refinement: 0.043s Max time for refinement: 0.144s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 4 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-dataFlow.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-dataFlow.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (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-dataFlow.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-dataFlow.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 4 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 4 stopped. (The CPU-time limit of 60s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 4 of 7 =============================== Total time for algorithm 4: 49.623s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.162s Automaton transfers with branching: 0 Automaton transfer successors: 0.92 (sum: 21674, count: 23658, min: 0, max: 1) [0 x 1984, 1 x 21674] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 19918 Max size of waitlist: 66 Average size of waitlist: 42 ReversePostorderSortedWaitlist: 2863.00 (sum: 2863, count: 1, min: 2863, max: 2863) Number of computed successors: 21674 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1694 Number of times breaked: 0 Total time for CPA algorithm: 49.512s (Max: 49.512s) Time for choose from waitlist: 0.028s Time for precision adjustment: 0.069s Time for transfer relation: 1.780s Time for merge operator: 37.758s Time for stop operator: 9.610s Time for adding to reached set: 0.095s CPA algorithm statistics ------------------------ Number of iterations: 19918 Max size of waitlist: 66 Average size of waitlist: 42 ReversePostorderSortedWaitlist: 2863.00 (sum: 2863, count: 1, min: 2863, max: 2863) Number of computed successors: 21674 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1694 Number of times breaked: 0 Total time for CPA algorithm: 49.512s (Max: 49.512s) Time for choose from waitlist: 0.028s Time for precision adjustment: 0.069s Time for transfer relation: 1.780s Time for merge operator: 37.758s Time for stop operator: 9.610s Time for adding to reached set: 0.095s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 5 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.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-kInduction.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:PredicateCPA:PredicateCPA., INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:InductionStepCase:PredicateCPA:PredicateCPA., INFO) Starting analysis 5 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.run, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 2 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 3 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 4 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 5 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 6 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 7 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 8 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 9 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Starting assertions check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.checkBoundingAssertions, INFO) Running algorithm to create induction hypothesis (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Starting induction check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:KInductionProver.check, INFO) Adjusting maxLoopIterations to 10 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.run, INFO) Starting satisfiability check... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoops-kInduction.properties:AbstractBMCAlgorithm.boundedModelCheck, INFO) Shutdown requested (The JVM is shutting down, probably because Ctrl+C was pressed.), waiting for termination. (ForceTerminationOnShutdown$1.shutdownRequested, WARNING) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties' because condition if-recursive did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties' because condition if-concurrent did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--multipleLoopsConfig.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Warning: Analysis interrupted (The JVM is shutting down, probably because Ctrl+C was pressed.) (ShutdownNotifier.shutdownIfNecessary, WARNING) 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: 8 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 7 Number of algorithms used: 7 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 7: 829.051s PredicateCPA statistics ----------------------- Number of abstractions: 110 (5% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 0 (0%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 110 (100%) Times precision was empty: 110 (100%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 0 (0%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 0 Number of coverage checks: 64 BDD entailment checks: 0 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 90 Avg ABE block size: 56.50 (sum: 6215, count: 110, min: 23, max: 90) Number of predicates discovered: 0 Time for post operator: 0.114s Time for path formula creation: 0.112s Time for strengthen operator: 0.003s Time for prec operator: 0.004s Time for abstraction: 0.001s (Max: 0.001s, Count: 110) Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.002s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.000s Total number of created targets for pointer analysis: 0 KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- Bounds CPA statistics --------------------- Bound k: 10 Maximum loop iteration reached: 11 ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.90 (sum: 1428, count: 1580, min: 0, max: 3) Number of global variables per state: 0.00 (sum: 0, count: 1580, min: 0, max: 0) Number of assumptions: 526 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 1755 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.005s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.005s Automaton transfers with branching: 0 Automaton transfer successors: 0.94 (sum: 1755, count: 1876, min: 0, max: 1) [0 x 121, 1 x 1755] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 1778 Max size of waitlist: 21 Average size of waitlist: 8 LoopstackSortedWaitlist: 1.84 (sum: 1149, count: 626, min: 0, max: 175) ReversePostorderSortedWaitlist: 0.60 (sum: 396, count: 655, min: 0, max: 63) LoopIterationSortedWaitlist: 1.79 (sum: 1120, count: 626, min: 0, max: 172) CallstackSortedWaitlist: 486.00 (sum: 4860, count: 10, min: 36, max: 1152) Number of computed successors: 1755 Max successors for one state: 2 Number of times merged: 32 Number of times stopped: 32 Number of times breaked: 0 Total time for CPA algorithm: 0.248s (Max: 0.036s) Time for choose from waitlist: 0.004s Time for precision adjustment: 0.036s Time for transfer relation: 0.185s Time for merge operator: 0.007s Time for stop operator: 0.001s Time for adding to reached set: 0.008s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.251s Time for final sat check: 819.873s Time for bounding assertions check: 0.905s Time for induction formula creation: 0.958s Time for induction check: 5.898s CPA algorithm statistics ------------------------ Number of iterations: 1778 Max size of waitlist: 21 Average size of waitlist: 8 LoopstackSortedWaitlist: 1.84 (sum: 1149, count: 626, min: 0, max: 175) ReversePostorderSortedWaitlist: 0.60 (sum: 396, count: 655, min: 0, max: 63) LoopIterationSortedWaitlist: 1.79 (sum: 1120, count: 626, min: 0, max: 172) CallstackSortedWaitlist: 486.00 (sum: 4860, count: 10, min: 36, max: 1152) Number of computed successors: 1755 Max successors for one state: 2 Number of times merged: 32 Number of times stopped: 32 Number of times breaked: 0 Total time for CPA algorithm: 0.248s (Max: 0.036s) Time for choose from waitlist: 0.004s Time for precision adjustment: 0.036s Time for transfer relation: 0.185s Time for merge operator: 0.007s Time for stop operator: 0.001s Time for adding to reached set: 0.008s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.251s Time for final sat check: 819.873s Time for bounding assertions check: 0.905s Time for induction formula creation: 0.958s Time for induction check: 5.898s CPAchecker general statistics ----------------------------- Number of program locations: 73 Number of CFA edges (per node): 81 (count: 73, min: 0, max: 2, avg: 1.11) Number of relevant variables: 12 Number of functions: 4 Number of loops (and loop nodes): 2 (sum: 15, min: 4, max: 11, avg: 7.50) Size of reached set: 1580 Number of reached locations: 64 (88%) Avg states per location: 24 Max states per location: 110 (at node N10) Number of reached functions: 4 (100%) Number of target states: 20 Time for analysis setup: 1.200s Time for loading CPAs: 0.380s Time for loading parser: 0.208s Time for CFA construction: 0.588s Time for parsing file(s): 0.283s Time for AST to CFA: 0.153s Time for CFA sanity check: 0.000s Time for post-processing: 0.101s Time for loop structure: 0.008s 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: 0.064s Time for collecting variables: 0.038s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.026s Time for exporting data: 0.000s Time for Analysis: 880.645s CPU time for analysis: 897.390s Total time for CPAchecker: 881.846s Total CPU time for CPAchecker: 899.740s Time for statistics: 0.027s Time for Garbage Collector: 0.604s (in 146 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: UNKNOWN, incomplete analysis. 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-kInduction.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".