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/loops-crafted-1/sumt8.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/loops-crafted-1/sumt8.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--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: 132.258s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 10.64 (sum: 260426, count: 24483, min: 0, max: 12) Number of global variables per state: 1.00 (sum: 24481, count: 24483, min: 0, max: 1) Number of assumptions: 35916 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 24482 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.052s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 23004 (count: 24482, min: 0, max: 1, avg: 0.94) Symbolic values after refinement: 23004 (count: 24482, min: 0, max: 1, avg: 0.94) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 98.164s Time for SMT check: 73.650s Time for resolving definites: 9.080s Cache lookups: 19436 Direct cache hits: 16479 Direct cache lookup time: 0.244s Number of removed outdated constraints: 0 (count: 11196, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 4.877s Constraints after refinement in state: 18103121 (count: 24482, min: 0, max: 1477, avg: 739.45) Constraints before refinement in state: 18103121 (count: 24482, min: 0, max: 1477, avg: 739.45) Time for constraints adjustment: 2.676s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.055s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 24503, count: 24503, min: 1, max: 1) [1 x 24503] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 24483 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 24482 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: 132.070s (Max: 132.070s) Time for choose from waitlist: 0.027s Time for precision adjustment: 2.892s Time for transfer relation: 105.110s Time for stop operator: 23.857s Time for adding to reached set: 0.049s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 24483 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 24482 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: 132.070s (Max: 132.070s) Time for choose from waitlist: 0.027s Time for precision adjustment: 2.892s Time for transfer relation: 105.110s Time for stop operator: 23.857s Time for adding to reached set: 0.049s 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) Warning: Analysis 2 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 2 of 7 =============================== Total time for algorithm 2: 56.518s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 9.19 (sum: 789048, count: 85839, min: 0, max: 10) Number of global variables per state: 0.00 (sum: 0, count: 85839, min: 0, max: 0) Number of assumptions: 134036 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 91375 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.136s 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: 0.088s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 91414, count: 91414, min: 1, max: 1) [1 x 91414] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 85862 Max size of waitlist: 6 Average size of waitlist: 1 Number of computed successors: 91376 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 5511 Number of times breaked: 1 Total time for CPA algorithm: 56.414s (Max: 56.395s) Time for choose from waitlist: 0.165s Time for precision adjustment: 0.267s Time for transfer relation: 1.150s Time for stop operator: 54.460s Time for adding to reached set: 0.215s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.044s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 1 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.013s Number of interpolations: 1 Number of interpolation queries: 84 (count: 12, min: 0, max: 10, avg: 7.00) Size of interpolant: 6.17 (sum: 74, count: 12, min: 0, max: 9) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.013s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 27 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 27.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 56.472s Time for refinements: 0.058s Average time for refinement: 0.058s Max time for refinement: 0.058s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 85862 Max size of waitlist: 6 Average size of waitlist: 1 Number of computed successors: 91376 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 5511 Number of times breaked: 1 Total time for CPA algorithm: 56.414s (Max: 56.395s) Time for choose from waitlist: 0.165s Time for precision adjustment: 0.267s Time for transfer relation: 1.150s Time for stop operator: 54.460s Time for adding to reached set: 0.215s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.044s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 1 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.013s Number of interpolations: 1 Number of interpolation queries: 84 (count: 12, min: 0, max: 10, avg: 7.00) Size of interpolant: 6.17 (sum: 74, count: 12, min: 0, max: 9) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.013s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 27 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 27.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 56.472s Time for refinements: 0.058s Average time for refinement: 0.058s Max time for refinement: 0.058s 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 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: 199.342s PredicateCPA statistics ----------------------- Number of abstractions: 18 (4% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 9 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 9 (50%) Times precision was empty: 4 (22%) Times precision was {false}: 7 (39%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 7 (39%) Times result was 'false': 5 (28%) Number of strengthen sat checks: 0 Number of coverage checks: 148 BDD entailment checks: 22 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 13 Avg ABE block size: 12.22 (sum: 220, count: 18, min: 12, max: 13) Number of predicates discovered: 16 Number of abstraction locations: 2 Max number of predicates per location: 14 Avg number of predicates per location: 7 Total predicates per abstraction: 95 Max number of predicates per abstraction: 14 Avg number of predicates per abstraction: 6.79 Number of irrelevant predicates: 7 (7%) Number of preds handled by boolean abs: 88 (93%) Total number of models for allsat: 62 Max number of models for allsat: 49 Avg number of models for allsat: 8.86 Time for post operator: 0.058s Time for path formula creation: 0.055s Time for strengthen operator: 0.005s Time for prec operator: 198.263s Time for abstraction: 198.257s (Max: 178.010s, Count: 18) Boolean abstraction: 1.481s Solving time: 196.826s (Max: 177.952s) Model enumeration time: 1.205s Time for BDD construction: 0.015s (Max: 0.003s) 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): 198.031s Number of path formula cache hits: 223 (48%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.046s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 1891 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 315, min: 0, max: 0) Time for BDD node cleanup: 0.001s 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: 0.007s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 427, count: 427, min: 1, max: 1) [1 x 427] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 317 Max size of waitlist: 8 Average size of waitlist: 3 ReversePostorderSortedWaitlist: 0.03 (sum: 2, count: 75, min: 0, max: 1) CallstackSortedWaitlist: 111.00 (sum: 444, count: 4, min: 30, max: 242) Number of computed successors: 389 Max successors for one state: 2 Number of times merged: 63 Number of times stopped: 63 Number of times breaked: 3 Total time for CPA algorithm: 198.378s (Max: 198.132s) Time for choose from waitlist: 0.005s Time for precision adjustment: 198.264s Time for transfer relation: 0.090s Time for merge operator: 0.011s Time for stop operator: 0.001s 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: 0.017s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.010s Time for ARG update: 0.005s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 2 Avg. length of target path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.846s Path-formulas extraction: 0.000s Counterexample analysis: 0.838s (Max: 0.572s, Calls: 3) Refinement sat check: 0.746s Interpolant computation: 0.004s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.004s Precision update: 0.002s ARG update: 0.002s Length of refined path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of affected states: 3 (count: 2, min: 1, max: 2, avg: 1.50) Length (states) of path with itp 'true': 0 (count: 2, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 3 (count: 2, min: 1, max: 2, avg: 1.50) Length (states) of path with itp 'false': 0 (count: 2, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 1 (count: 2, min: 0, max: 1, avg: 0.50) Equal non-trivial interpolants along paths: 0 (count: 2, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 3 Number of successful refinements: 3 Number of failed refinements: 0 Max. size of reached set before ref.: 75 Max. size of reached set after ref.: 6 Avg. size of reached set before ref.: 51.67 Avg. size of reached set after ref.: 4.33 Total time for CEGAR algorithm: 199.243s Time for refinements: 0.865s Average time for refinement: 0.288s Max time for refinement: 0.576s CPA algorithm statistics ------------------------ Number of iterations: 317 Max size of waitlist: 8 Average size of waitlist: 3 ReversePostorderSortedWaitlist: 0.03 (sum: 2, count: 75, min: 0, max: 1) CallstackSortedWaitlist: 111.00 (sum: 444, count: 4, min: 30, max: 242) Number of computed successors: 389 Max successors for one state: 2 Number of times merged: 63 Number of times stopped: 63 Number of times breaked: 3 Total time for CPA algorithm: 198.378s (Max: 198.132s) Time for choose from waitlist: 0.005s Time for precision adjustment: 198.264s Time for transfer relation: 0.090s Time for merge operator: 0.011s Time for stop operator: 0.001s 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: 0.017s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.010s Time for ARG update: 0.005s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 2 Avg. length of target path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.846s Path-formulas extraction: 0.000s Counterexample analysis: 0.838s (Max: 0.572s, Calls: 3) Refinement sat check: 0.746s Interpolant computation: 0.004s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.004s Precision update: 0.002s ARG update: 0.002s Length of refined path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of affected states: 3 (count: 2, min: 1, max: 2, avg: 1.50) Length (states) of path with itp 'true': 0 (count: 2, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 3 (count: 2, min: 1, max: 2, avg: 1.50) Length (states) of path with itp 'false': 0 (count: 2, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 1 (count: 2, min: 0, max: 1, avg: 0.50) Equal non-trivial interpolants along paths: 0 (count: 2, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 3 Number of successful refinements: 3 Number of failed refinements: 0 Max. size of reached set before ref.: 75 Max. size of reached set after ref.: 6 Avg. size of reached set before ref.: 51.67 Avg. size of reached set after ref.: 4.33 Total time for CEGAR algorithm: 199.243s Time for refinements: 0.865s Average time for refinement: 0.288s Max time for refinement: 0.576s 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: 51.836s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.037s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 24178, count: 24178, min: 1, max: 1) [1 x 24178] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 22627 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 24178 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1551 Number of times breaked: 0 Total time for CPA algorithm: 51.760s (Max: 51.760s) Time for choose from waitlist: 0.011s Time for precision adjustment: 0.062s Time for transfer relation: 2.107s Time for merge operator: 37.313s Time for stop operator: 12.086s Time for adding to reached set: 0.091s CPA algorithm statistics ------------------------ Number of iterations: 22627 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 24178 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1551 Number of times breaked: 0 Total time for CPA algorithm: 51.760s (Max: 51.760s) Time for choose from waitlist: 0.011s Time for precision adjustment: 0.062s Time for transfer relation: 2.107s Time for merge operator: 37.313s Time for stop operator: 12.086s Time for adding to reached set: 0.091s 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) 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: 0.0667 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: 434.749s PredicateCPA statistics ----------------------- Number of abstractions: 6 (5% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 4 (67%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 2 (33%) Times precision was empty: 6 (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: 28 BDD entailment checks: 0 Number of SMT sat checks: 2 trivial: 0 cached: 0 Max ABE block size: 13 Avg ABE block size: 12.17 (sum: 73, count: 6, min: 12, max: 13) Number of predicates discovered: 0 Time for post operator: 0.014s Time for path formula creation: 0.014s Time for strengthen operator: 0.000s Time for prec operator: 0.000s Time for abstraction: 0.000s (Max: 0.000s, Count: 6) 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: 0.001s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.007s 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: 2 Maximum loop iteration reached: 3 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 0.98 (sum: 112, count: 114, min: 0, max: 1) [0 x 2, 1 x 112] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 100 Max size of waitlist: 8 Average size of waitlist: 2 LoopstackSortedWaitlist: 0.24 (sum: 11, count: 45, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 46, min: 0, max: 0) LoopIterationSortedWaitlist: 0.22 (sum: 10, count: 45, min: 0, max: 2) CallstackSortedWaitlist: 42.00 (sum: 84, count: 2, min: 29, max: 55) Number of computed successors: 112 Max successors for one state: 2 Number of times merged: 14 Number of times stopped: 14 Number of times breaked: 0 Total time for CPA algorithm: 0.036s (Max: 0.027s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.006s Time for transfer relation: 0.025s Time for merge operator: 0.003s Time for stop operator: 0.000s Time for adding to reached set: 0.002s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.039s Time for final sat check: 434.541s Time for bounding assertions check: 0.007s Total number of computed interpolants: 0 Total number of interpolation calls: 0 Interpolating SMT solver statistics ----------------------------------- CPA algorithm statistics ------------------------ Number of iterations: 100 Max size of waitlist: 8 Average size of waitlist: 2 LoopstackSortedWaitlist: 0.24 (sum: 11, count: 45, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 46, min: 0, max: 0) LoopIterationSortedWaitlist: 0.22 (sum: 10, count: 45, min: 0, max: 2) CallstackSortedWaitlist: 42.00 (sum: 84, count: 2, min: 29, max: 55) Number of computed successors: 112 Max successors for one state: 2 Number of times merged: 14 Number of times stopped: 14 Number of times breaked: 0 Total time for CPA algorithm: 0.036s (Max: 0.027s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.006s Time for transfer relation: 0.025s Time for merge operator: 0.003s Time for stop operator: 0.000s Time for adding to reached set: 0.002s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.039s Time for final sat check: 434.541s Time for bounding assertions check: 0.007s Total number of computed interpolants: 0 Total number of interpolation calls: 0 Interpolating SMT solver statistics ----------------------------------- CPAchecker general statistics ----------------------------- Number of program locations: 74 Number of CFA edges (per node): 78 (count: 74, min: 0, max: 2, avg: 1.05) Number of relevant variables: 15 Number of functions: 4 Number of loops (and loop nodes): 1 (sum: 27, min: 27, max: 27, avg: 27.00) Size of reached set: 97 Number of reached locations: 60 (81%) Avg states per location: 1 Max states per location: 3 (at node N19) Number of reached functions: 3 (75%) Number of target states: 1 Time for analysis setup: 1.198s Time for loading CPAs: 0.337s Time for loading parser: 0.199s Time for CFA construction: 0.616s Time for parsing file(s): 0.314s Time for AST to CFA: 0.156s Time for CFA sanity check: 0.000s Time for post-processing: 0.101s Time for loop structure: 0.007s 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: 0.056s Time for collecting variables: 0.033s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.022s Time for exporting data: 0.000s Time for Analysis: 875.086s CPU time for analysis: 897.120s Total time for CPAchecker: 876.285s Total CPU time for CPAchecker: 899.460s Time for statistics: 0.019s Time for Garbage Collector: 2.551s (in 243 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".