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-lit/gsv2008.c.i.p+cfa-reducer.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. Running CPAchecker with default stack size (1024k). Specify a larger value with --stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/loop-lit/gsv2008.c.i.p+cfa-reducer.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: 139.089s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 5.36 (sum: 3830, count: 715, min: 0, max: 7) Number of global variables per state: 1.99 (sum: 1426, count: 715, min: 0, max: 2) Number of assumptions: 386 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 714 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.014s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 2326 (count: 714, min: 0, max: 5, avg: 3.26) Symbolic values after refinement: 2326 (count: 714, min: 0, max: 5, avg: 3.26) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 124.745s Time for SMT check: 99.612s Time for resolving definites: 18.978s Cache lookups: 384 Direct cache hits: 1 Direct cache lookup time: 0.001s Number of removed outdated constraints: 0 (count: 383, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 8.152s Constraints after refinement in state: 41608 (count: 714, min: 0, max: 121, avg: 58.27) Constraints before refinement in state: 41608 (count: 714, min: 0, max: 121, avg: 58.27) Time for constraints adjustment: 2.100s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.015s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 1295, count: 1295, min: 1, max: 1) [1 x 1295] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 715 Max size of waitlist: 3 Average size of waitlist: 2 Number of computed successors: 714 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: 138.944s (Max: 138.944s) Time for choose from waitlist: 0.002s Time for precision adjustment: 2.163s Time for transfer relation: 135.999s Time for stop operator: 0.758s Time for adding to reached set: 0.009s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 715 Max size of waitlist: 3 Average size of waitlist: 2 Number of computed successors: 714 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: 138.944s (Max: 138.944s) Time for choose from waitlist: 0.002s Time for precision adjustment: 2.163s Time for transfer relation: 135.999s Time for stop operator: 0.758s Time for adding to reached set: 0.009s 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: 0.287s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.41 (sum: 7, count: 17, min: 0, max: 1) Number of global variables per state: 0.00 (sum: 0, count: 17, min: 0, max: 0) Number of assumptions: 20 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 37 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: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 75, count: 75, min: 1, max: 1) [1 x 75] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 31 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 37 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 4 Number of times breaked: 2 Total time for CPA algorithm: 0.008s (Max: 0.005s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.000s Time for transfer relation: 0.004s Time for stop operator: 0.001s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.018s 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: 0.001s Number of interpolations: 1 Number of interpolation queries: 6 (count: 6, min: 0, max: 3, avg: 1.00) Size of interpolant: 0.67 (sum: 4, count: 6, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.003s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 19 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 17.50 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.036s Time for refinements: 0.028s Average time for refinement: 0.014s Max time for refinement: 0.019s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.215s CPA algorithm statistics ------------------------ Number of iterations: 31 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 37 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 4 Number of times breaked: 2 Total time for CPA algorithm: 0.008s (Max: 0.005s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.000s Time for transfer relation: 0.004s Time for stop operator: 0.001s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.018s 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: 0.001s Number of interpolations: 1 Number of interpolation queries: 6 (count: 6, min: 0, max: 3, avg: 1.00) Size of interpolant: 0.67 (sum: 4, count: 6, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.003s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 19 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 17.50 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.036s Time for refinements: 0.028s Average time for refinement: 0.014s Max time for refinement: 0.019s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.215s 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: 197.288s PredicateCPA statistics ----------------------- Number of abstractions: 677 (13% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 339 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 338 (50%) Times precision was empty: 3 (0%) Times precision was {false}: 337 (50%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 337 (50%) Times result was 'false': 312 (46%) Number of strengthen sat checks: 0 Number of coverage checks: 5336 BDD entailment checks: 5332 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 6 Avg ABE block size: 4.62 (sum: 3126, count: 677, min: 3, max: 6) Number of predicates discovered: 53 Number of abstraction locations: 2 Max number of predicates per location: 52 Avg number of predicates per location: 26 Total predicates per abstraction: 12057 Max number of predicates per abstraction: 52 Avg number of predicates per abstraction: 17.89 Number of irrelevant predicates: 674 (6%) Number of preds handled by boolean abs: 11383 (94%) Total number of models for allsat: 52746 Max number of models for allsat: 526 Avg number of models for allsat: 156.52 Time for post operator: 0.067s Time for path formula creation: 0.062s Time for strengthen operator: 0.016s Time for prec operator: 193.611s Time for abstraction: 193.581s (Max: 2.926s, Count: 677) Boolean abstraction: 184.850s Solving time: 9.982s (Max: 0.047s) Model enumeration time: 178.370s Time for BDD construction: 2.957s (Max: 0.027s) Time for merge operator: 0.002s Time for coverage checks: 0.095s Time for BDD entailment checks: 0.093s Total time for SMT solver (w/o itp): 188.352s Number of path formula cache hits: 4957 (93%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.043s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 278472 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 2.05 (sum: 132581, count: 64599, min: 0, max: 11648) Time for BDD node cleanup: 0.015s Time for BDD garbage collection: 0.038s (in 3 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: 0.051s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 5035, count: 5035, min: 1, max: 1) [1 x 5035] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 3004 Max size of waitlist: 4 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 989, min: 0, max: 1) CallstackSortedWaitlist: 729.52 (sum: 19697, count: 27, min: 10, max: 2015) Number of computed successors: 3371 Max successors for one state: 2 Number of times merged: 2 Number of times stopped: 2 Number of times breaked: 26 Total time for CPA algorithm: 194.092s (Max: 32.852s) Time for choose from waitlist: 0.016s Time for precision adjustment: 193.642s Time for transfer relation: 0.270s Time for merge operator: 0.112s Time for stop operator: 0.007s Time for adding to reached set: 0.026s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.004s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 25 Avg. length of target path (in blocks): 14.00 (sum: 350, count: 25, min: 2, max: 26) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 3.122s Path-formulas extraction: 0.001s Counterexample analysis: 3.059s (Max: 0.476s, Calls: 26) Refinement sat check: 1.591s Interpolant computation: 1.353s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.030s Precision update: 0.015s ARG update: 0.011s Length of refined path (in blocks): 14.00 (sum: 350, count: 25, min: 2, max: 26) Number of affected states: 325 (count: 25, min: 1, max: 25, avg: 13.00) Length (states) of path with itp 'true': 0 (count: 25, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 325 (count: 25, min: 1, max: 25, avg: 13.00) Length (states) of path with itp 'false': 0 (count: 25, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 300 (count: 25, min: 0, max: 24, avg: 12.00) Equal non-trivial interpolants along paths: 0 (count: 25, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 26 Number of successful refinements: 26 Number of failed refinements: 0 Max. size of reached set before ref.: 233 Max. size of reached set after ref.: 8 Avg. size of reached set before ref.: 120.85 Avg. size of reached set after ref.: 7.73 Total time for CEGAR algorithm: 197.230s Time for refinements: 3.137s Average time for refinement: 0.120s Max time for refinement: 0.480s CPA algorithm statistics ------------------------ Number of iterations: 3004 Max size of waitlist: 4 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 989, min: 0, max: 1) CallstackSortedWaitlist: 729.52 (sum: 19697, count: 27, min: 10, max: 2015) Number of computed successors: 3371 Max successors for one state: 2 Number of times merged: 2 Number of times stopped: 2 Number of times breaked: 26 Total time for CPA algorithm: 194.092s (Max: 32.852s) Time for choose from waitlist: 0.016s Time for precision adjustment: 193.642s Time for transfer relation: 0.270s Time for merge operator: 0.112s Time for stop operator: 0.007s Time for adding to reached set: 0.026s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.004s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 25 Avg. length of target path (in blocks): 14.00 (sum: 350, count: 25, min: 2, max: 26) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 3.122s Path-formulas extraction: 0.001s Counterexample analysis: 3.059s (Max: 0.476s, Calls: 26) Refinement sat check: 1.591s Interpolant computation: 1.353s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.030s Precision update: 0.015s ARG update: 0.011s Length of refined path (in blocks): 14.00 (sum: 350, count: 25, min: 2, max: 26) Number of affected states: 325 (count: 25, min: 1, max: 25, avg: 13.00) Length (states) of path with itp 'true': 0 (count: 25, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 325 (count: 25, min: 1, max: 25, avg: 13.00) Length (states) of path with itp 'false': 0 (count: 25, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 300 (count: 25, min: 0, max: 24, avg: 12.00) Equal non-trivial interpolants along paths: 0 (count: 25, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 26 Number of successful refinements: 26 Number of failed refinements: 0 Max. size of reached set before ref.: 233 Max. size of reached set after ref.: 8 Avg. size of reached set before ref.: 120.85 Avg. size of reached set after ref.: 7.73 Total time for CEGAR algorithm: 197.230s Time for refinements: 3.137s Average time for refinement: 0.120s Max time for refinement: 0.480s 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: 54.288s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.015s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 12267, count: 12267, min: 1, max: 1) [1 x 12267] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 11100 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: 12267 Max successors for one state: 2 Number of times merged: 4995 Number of times stopped: 6162 Number of times breaked: 0 Total time for CPA algorithm: 54.222s (Max: 54.222s) Time for choose from waitlist: 0.009s Time for precision adjustment: 0.017s Time for transfer relation: 0.772s Time for merge operator: 37.542s Time for stop operator: 15.803s Time for adding to reached set: 0.029s CPA algorithm statistics ------------------------ Number of iterations: 11100 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: 12267 Max successors for one state: 2 Number of times merged: 4995 Number of times stopped: 6162 Number of times breaked: 0 Total time for CPA algorithm: 54.222s (Max: 54.222s) Time for choose from waitlist: 0.009s Time for precision adjustment: 0.017s Time for transfer relation: 0.772s Time for merge operator: 37.542s Time for stop operator: 15.803s Time for adding to reached set: 0.029s 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) Adjusting maxLoopIterations to 23 (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 24 (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 25 (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 26 (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 27 (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 28 (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 29 (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 30 (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 31 (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 32 (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: 3 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: 495.520s PredicateCPA statistics ----------------------- Number of abstractions: 96 (15% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 64 (67%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 32 (33%) Times precision was empty: 96 (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: 66 trivial: 0 cached: 27 Max ABE block size: 6 Avg ABE block size: 4.03 (sum: 387, count: 96, min: 3, max: 6) Number of predicates discovered: 0 Time for post operator: 0.041s Time for path formula creation: 0.041s Time for strengthen operator: 0.001s Time for prec operator: 0.002s Time for abstraction: 0.000s (Max: 0.000s, Count: 96) 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): 0.323s 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: 32 Maximum loop iteration reached: 33 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.003s Automaton transfers with branching: 0 Automaton transfer successors: 0.94 (sum: 533, count: 565, min: 0, max: 1) [0 x 32, 1 x 533] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 564 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 1.08 (sum: 293, count: 271, min: 0, max: 9) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 272, min: 0, max: 0) LoopIterationSortedWaitlist: 1.08 (sum: 292, count: 271, min: 0, max: 9) CallstackSortedWaitlist: 153.50 (sum: 4912, count: 32, min: 14, max: 293) Number of computed successors: 533 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: 0.088s (Max: 0.008s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.009s Time for transfer relation: 0.071s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.004s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.097s Time for final sat check: 1.131s Time for bounding assertions check: 0.266s Time for collecting formulas for interpolation: 0.020s Time for computing fixed-point by interpolation: 493.863s Total number of computed interpolants: 4 Total number of interpolation calls: 4 Total number of atoms in interpolants: 68 Avg. #atoms in itp: 17 Min. #atoms in itp: 2 Max. #atoms in itp: 32 Total number of vars in interpolants: 8 Avg. #vars in itp: 2 Min. #vars in itp: 2 Max. #vars in itp: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 493.818s (Max: 352.859s, Calls: 8) Refinement sat check: 493.764s Reused formulas on solver stack: 8 (Avg: 1.00) Interpolant computation: 0.054s CPA algorithm statistics ------------------------ Number of iterations: 564 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 1.08 (sum: 293, count: 271, min: 0, max: 9) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 272, min: 0, max: 0) LoopIterationSortedWaitlist: 1.08 (sum: 292, count: 271, min: 0, max: 9) CallstackSortedWaitlist: 153.50 (sum: 4912, count: 32, min: 14, max: 293) Number of computed successors: 533 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: 0.088s (Max: 0.008s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.009s Time for transfer relation: 0.071s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.004s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.097s Time for final sat check: 1.131s Time for bounding assertions check: 0.266s Time for collecting formulas for interpolation: 0.020s Time for computing fixed-point by interpolation: 493.863s Total number of computed interpolants: 4 Total number of interpolation calls: 4 Total number of atoms in interpolants: 68 Avg. #atoms in itp: 17 Min. #atoms in itp: 2 Max. #atoms in itp: 32 Total number of vars in interpolants: 8 Avg. #vars in itp: 2 Min. #vars in itp: 2 Max. #vars in itp: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 493.818s (Max: 352.859s, Calls: 8) Refinement sat check: 493.764s Reused formulas on solver stack: 8 (Avg: 1.00) Interpolant computation: 0.054s CPAchecker general statistics ----------------------------- Number of program locations: 47 Number of CFA edges (per node): 46 (count: 47, min: 0, max: 2, avg: 0.98) Number of relevant variables: 6 Number of functions: 3 Number of loops (and loop nodes): 1 (sum: 5, min: 5, max: 5, avg: 5.00) Size of reached set: 471 Number of reached locations: 35 (74%) Avg states per location: 13 Max states per location: 33 (at node N10) Number of reached functions: 2 (67%) Number of target states: 1 Time for analysis setup: 1.034s Time for loading CPAs: 0.329s Time for loading parser: 0.129s Time for CFA construction: 0.548s Time for parsing file(s): 0.228s Time for AST to CFA: 0.186s Time for CFA sanity check: 0.001s Time for post-processing: 0.103s Time for loop structure: 0.014s Time for AST structure: 0.000s Time for function pointers resolving: 0.006s 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: 0.050s Time for collecting variables: 0.032s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.017s Time for exporting data: 0.000s Time for Analysis: 886.838s CPU time for analysis: 898.010s Total time for CPAchecker: 887.873s Total CPU time for CPAchecker: 899.650s Time for statistics: 0.047s Time for Garbage Collector: 0.986s (in 345 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".