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-new/count_by_k.i -------------------------------------------------------------------------------- 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-new/count_by_k.i" (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--singleLoopConfig.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu' has two values '900s' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu::required' has two values '900' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 140s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 1 stopped. (The CPU-time limit of 140s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 1 of 7 =============================== Total time for algorithm 1: 137.811s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 1.99 (sum: 1460, count: 732, min: 0, max: 3) Number of global variables per state: 0.00 (sum: 0, count: 732, min: 0, max: 0) Number of assumptions: 483 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 731 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.007s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 1448 (count: 731, min: 0, max: 2, avg: 1.98) Symbolic values after refinement: 1448 (count: 731, min: 0, max: 2, avg: 1.98) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 132.772s Time for SMT check: 119.120s Time for resolving definites: 4.068s Cache lookups: 483 Direct cache hits: 0 Direct cache lookup time: 0.002s Number of removed outdated constraints: 0 (count: 483, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 3.330s Constraints after refinement in state: 86789 (count: 731, min: 0, max: 240, avg: 118.73) Constraints before refinement in state: 86789 (count: 731, min: 0, max: 240, avg: 118.73) Time for constraints adjustment: 0.411s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.018s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 982, count: 982, min: 1, max: 1) [1 x 982] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 732 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 731 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: 137.583s (Max: 137.583s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.465s Time for transfer relation: 136.990s Time for stop operator: 0.110s Time for adding to reached set: 0.003s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 732 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 731 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: 137.583s (Max: 137.583s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.465s Time for transfer relation: 136.990s Time for stop operator: 0.110s Time for adding to reached set: 0.003s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-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--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-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--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-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--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, WARNING) Analysis 2 terminated, but result is unsound. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Statistics for algorithm 2 of 7 =============================== Total time for algorithm 2: 0.456s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 18, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 18, min: 0, max: 0) Number of assumptions: 8 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 22 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.000s 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: 0.003s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 34, count: 34, min: 1, max: 1) [1 x 34] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 19 Max size of waitlist: 2 Average size of waitlist: 1 Number of computed successors: 22 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 3 Number of times breaked: 1 Total time for CPA algorithm: 0.008s (Max: 0.008s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.000s Time for transfer relation: 0.004s Time for stop operator: 0.002s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.020s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 20 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 20.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 0.043s Time for refinements: 0.035s Average time for refinement: 0.035s Max time for refinement: 0.035s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.360s CPA algorithm statistics ------------------------ Number of iterations: 19 Max size of waitlist: 2 Average size of waitlist: 1 Number of computed successors: 22 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 3 Number of times breaked: 1 Total time for CPA algorithm: 0.008s (Max: 0.008s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.000s Time for transfer relation: 0.004s Time for stop operator: 0.002s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.020s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 20 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 20.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 0.043s Time for refinements: 0.035s Average time for refinement: 0.035s Max time for refinement: 0.035s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.360s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 3 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu' has two values '900s' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu::required' has two values '900' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 200s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-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--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPARefiner., INFO) Starting analysis 3 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 3 stopped. (The CPU-time limit of 200s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 3 of 7 =============================== Total time for algorithm 3: 193.246s PredicateCPA statistics ----------------------- Number of abstractions: 2950 (16% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 1475 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 1475 (50%) Times precision was empty: 4 (0%) Times precision was {false}: 1472 (50%) Times result was cached: 1 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 1473 (50%) Times result was 'false': 1420 (48%) Number of strengthen sat checks: 0 Number of coverage checks: 51418 BDD entailment checks: 51414 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 6 Avg ABE block size: 2.57 (sum: 7595, count: 2950, min: 2, max: 6) Number of predicates discovered: 109 Number of abstraction locations: 2 Max number of predicates per location: 107 Avg number of predicates per location: 54 Total predicates per abstraction: 106717 Max number of predicates per abstraction: 107 Avg number of predicates per abstraction: 36.24 Number of irrelevant predicates: 1473 (1%) Number of preds handled by boolean abs: 105244 (99%) Total number of models for allsat: 1525 Max number of models for allsat: 2 Avg number of models for allsat: 1.04 Time for post operator: 0.116s Time for path formula creation: 0.107s Time for strengthen operator: 0.014s Time for prec operator: 172.801s Time for abstraction: 172.719s (Max: 0.204s, Count: 2950) Boolean abstraction: 81.427s Solving time: 126.718s (Max: 0.128s) Model enumeration time: 6.236s Time for BDD construction: 0.631s (Max: 0.027s) Time for merge operator: 0.001s Time for coverage checks: 0.141s Time for BDD entailment checks: 0.136s Total time for SMT solver (w/o itp): 132.954s Number of path formula cache hits: 19714 (97%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.086s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 169756 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 1.57 (sum: 285489, count: 182047, min: 0, max: 5253) Time for BDD node cleanup: 0.054s Time for BDD garbage collection: 0.031s (in 2 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: 0.143s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 18995, count: 18995, min: 1, max: 1) [1 x 18995] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 17438 Max size of waitlist: 4 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 10160, min: 0, max: 1) CallstackSortedWaitlist: 2480.80 (sum: 136444, count: 55, min: 8, max: 7278) Number of computed successors: 18971 Max successors for one state: 2 Number of times merged: 2 Number of times stopped: 2 Number of times breaked: 54 Total time for CPA algorithm: 173.932s (Max: 10.574s) Time for choose from waitlist: 0.039s Time for precision adjustment: 172.871s Time for transfer relation: 0.623s Time for merge operator: 0.195s Time for stop operator: 0.036s Time for adding to reached set: 0.060s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.008s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 53 Avg. length of target path (in blocks): 28.00 (sum: 1484, count: 53, min: 2, max: 54) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 19.222s Path-formulas extraction: 0.001s Counterexample analysis: 19.086s (Max: 1.328s, Calls: 54) Refinement sat check: 13.702s Interpolant computation: 5.181s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.042s Precision update: 0.040s ARG update: 0.038s Length of refined path (in blocks): 28.00 (sum: 1484, count: 53, min: 2, max: 54) Number of affected states: 1431 (count: 53, min: 1, max: 53, avg: 27.00) Length (states) of path with itp 'true': 0 (count: 53, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 1431 (count: 53, min: 1, max: 53, avg: 27.00) Length (states) of path with itp 'false': 0 (count: 53, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 1378 (count: 53, min: 0, max: 52, avg: 26.00) Equal non-trivial interpolants along paths: 0 (count: 53, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 54 Number of successful refinements: 54 Number of failed refinements: 0 Max. size of reached set before ref.: 641 Max. size of reached set after ref.: 8 Avg. size of reached set before ref.: 323.22 Avg. size of reached set after ref.: 7.87 Total time for CEGAR algorithm: 193.177s Time for refinements: 19.241s Average time for refinement: 0.356s Max time for refinement: 1.332s CPA algorithm statistics ------------------------ Number of iterations: 17438 Max size of waitlist: 4 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 10160, min: 0, max: 1) CallstackSortedWaitlist: 2480.80 (sum: 136444, count: 55, min: 8, max: 7278) Number of computed successors: 18971 Max successors for one state: 2 Number of times merged: 2 Number of times stopped: 2 Number of times breaked: 54 Total time for CPA algorithm: 173.932s (Max: 10.574s) Time for choose from waitlist: 0.039s Time for precision adjustment: 172.871s Time for transfer relation: 0.623s Time for merge operator: 0.195s Time for stop operator: 0.036s Time for adding to reached set: 0.060s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.008s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 53 Avg. length of target path (in blocks): 28.00 (sum: 1484, count: 53, min: 2, max: 54) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 19.222s Path-formulas extraction: 0.001s Counterexample analysis: 19.086s (Max: 1.328s, Calls: 54) Refinement sat check: 13.702s Interpolant computation: 5.181s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.042s Precision update: 0.040s ARG update: 0.038s Length of refined path (in blocks): 28.00 (sum: 1484, count: 53, min: 2, max: 54) Number of affected states: 1431 (count: 53, min: 1, max: 53, avg: 27.00) Length (states) of path with itp 'true': 0 (count: 53, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 1431 (count: 53, min: 1, max: 53, avg: 27.00) Length (states) of path with itp 'false': 0 (count: 53, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 1378 (count: 53, min: 0, max: 52, avg: 26.00) Equal non-trivial interpolants along paths: 0 (count: 53, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 54 Number of successful refinements: 54 Number of failed refinements: 0 Max. size of reached set before ref.: 641 Max. size of reached set after ref.: 8 Avg. size of reached set before ref.: 323.22 Avg. size of reached set after ref.: 7.87 Total time for CEGAR algorithm: 193.177s Time for refinements: 19.241s Average time for refinement: 0.356s Max time for refinement: 1.332s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 4 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 4 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.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--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 4 of 7 =============================== Total time for algorithm 4: 51.321s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.158s Automaton transfers with branching: 0 Automaton transfer successors: 0.92 (sum: 33270, count: 36040, min: 0, max: 1) [0 x 2770, 1 x 33270] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 30498 Max size of waitlist: 4 Average size of waitlist: 3 ReversePostorderSortedWaitlist: 8312.00 (sum: 8312, count: 1, min: 8312, max: 8312) Number of computed successors: 33270 Max successors for one state: 2 Number of times merged: 8310 Number of times stopped: 11081 Number of times breaked: 0 Total time for CPA algorithm: 51.251s (Max: 51.251s) Time for choose from waitlist: 0.034s Time for precision adjustment: 0.040s Time for transfer relation: 2.128s Time for merge operator: 35.812s Time for stop operator: 13.045s Time for adding to reached set: 0.046s CPA algorithm statistics ------------------------ Number of iterations: 30498 Max size of waitlist: 4 Average size of waitlist: 3 ReversePostorderSortedWaitlist: 8312.00 (sum: 8312, count: 1, min: 8312, max: 8312) Number of computed successors: 33270 Max successors for one state: 2 Number of times merged: 8310 Number of times stopped: 11081 Number of times breaked: 0 Total time for CPA algorithm: 51.251s (Max: 51.251s) Time for choose from waitlist: 0.034s Time for precision adjustment: 0.040s Time for transfer relation: 2.128s Time for merge operator: 35.812s Time for stop operator: 13.045s Time for adding to reached set: 0.046s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 5 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.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--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:PredicateCPA:PredicateCPA., INFO) Starting analysis 5 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Adjusting maxLoopIterations to 2 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 3 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 4 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 5 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 6 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 7 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 8 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 9 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 10 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 11 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 12 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 13 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 14 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 15 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 16 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 17 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 18 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 19 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 20 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 21 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 22 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, 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--singleLoopConfig.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--singleLoopConfig.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--singleLoopConfig.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.1667 Requires alias handling: 0 Requires loop handling: 1 Has a single loop: 1 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: 5 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: 494.234s PredicateCPA statistics ----------------------- Number of abstractions: 66 (17% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 44 (67%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 22 (33%) Times precision was empty: 66 (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: 2 BDD entailment checks: 0 Number of SMT sat checks: 45 trivial: 0 cached: 18 Max ABE block size: 6 Avg ABE block size: 2.39 (sum: 158, count: 66, min: 2, max: 6) Number of predicates discovered: 0 Time for post operator: 0.030s Time for path formula creation: 0.028s Time for strengthen operator: 0.002s Time for prec operator: 0.001s Time for abstraction: 0.001s (Max: 0.001s, Count: 66) 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: 0.000s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.238s 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: 22 Maximum loop iteration reached: 23 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.000s Automaton transfers with branching: 0 Automaton transfer successors: 0.94 (sum: 328, count: 350, min: 0, max: 1) [0 x 22, 1 x 328] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 349 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.49 (sum: 115, count: 234, min: 0, max: 5) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 235, min: 0, max: 0) LoopIterationSortedWaitlist: 0.49 (sum: 114, count: 234, min: 0, max: 4) CallstackSortedWaitlist: 62.50 (sum: 1375, count: 22, min: 10, max: 115) Number of computed successors: 328 Max successors for one state: 2 Number of times merged: 1 Number of times stopped: 1 Number of times breaked: 0 Total time for CPA algorithm: 0.070s (Max: 0.009s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.011s Time for transfer relation: 0.048s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.005s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.076s Time for final sat check: 0.255s Time for bounding assertions check: 0.207s Time for collecting formulas for interpolation: 0.015s Time for computing fixed-point by interpolation: 493.550s Total number of computed interpolants: 3 Total number of interpolation calls: 3 Total number of atoms in interpolants: 6 Avg. #atoms in itp: 2 Min. #atoms in itp: 1 Max. #atoms in itp: 3 Total number of vars in interpolants: 6 Avg. #vars in itp: 2 Min. #vars in itp: 2 Max. #vars in itp: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 493.526s (Max: 489.341s, Calls: 6) Refinement sat check: 493.519s Reused formulas on solver stack: 6 (Avg: 1.00) Interpolant computation: 0.007s CPA algorithm statistics ------------------------ Number of iterations: 349 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.49 (sum: 115, count: 234, min: 0, max: 5) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 235, min: 0, max: 0) LoopIterationSortedWaitlist: 0.49 (sum: 114, count: 234, min: 0, max: 4) CallstackSortedWaitlist: 62.50 (sum: 1375, count: 22, min: 10, max: 115) Number of computed successors: 328 Max successors for one state: 2 Number of times merged: 1 Number of times stopped: 1 Number of times breaked: 0 Total time for CPA algorithm: 0.070s (Max: 0.009s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.011s Time for transfer relation: 0.048s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.005s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.076s Time for final sat check: 0.255s Time for bounding assertions check: 0.207s Time for collecting formulas for interpolation: 0.015s Time for computing fixed-point by interpolation: 493.550s Total number of computed interpolants: 3 Total number of interpolation calls: 3 Total number of atoms in interpolants: 6 Avg. #atoms in itp: 2 Min. #atoms in itp: 1 Max. #atoms in itp: 3 Total number of vars in interpolants: 6 Avg. #vars in itp: 2 Min. #vars in itp: 2 Max. #vars in itp: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 493.526s (Max: 489.341s, Calls: 6) Refinement sat check: 493.519s Reused formulas on solver stack: 6 (Avg: 1.00) Interpolant computation: 0.007s CPAchecker general statistics ----------------------------- Number of program locations: 49 Number of CFA edges (per node): 46 (count: 49, min: 0, max: 2, avg: 0.94) Number of relevant variables: 6 Number of functions: 4 Number of loops (and loop nodes): 1 (sum: 3, min: 3, max: 3, avg: 3.00) Size of reached set: 286 Number of reached locations: 32 (65%) Avg states per location: 8 Max states per location: 23 (at node N23) Number of reached functions: 3 (75%) Number of target states: 1 Time for analysis setup: 1.121s Time for loading CPAs: 0.324s Time for loading parser: 0.214s Time for CFA construction: 0.530s Time for parsing file(s): 0.268s Time for AST to CFA: 0.118s Time for CFA sanity check: 0.000s Time for post-processing: 0.093s 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: 0.061s Time for collecting variables: 0.038s Time for solving dependencies: 0.003s Time for building hierarchy: 0.000s Time for building classification: 0.020s Time for exporting data: 0.000s Time for Analysis: 877.213s CPU time for analysis: 897.310s Total time for CPAchecker: 878.335s Total CPU time for CPAchecker: 899.420s Time for statistics: 0.025s Time for Garbage Collector: 1.402s (in 404 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--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".