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-industry-pattern/ofuf_5.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-industry-pattern/ofuf_5.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--configselection-restart-valueAnalysis-fallbacks.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties': 'limits.time.cpu' has two values '900s' and '90'. Using '90'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties': 'limits.time.cpu::required' has two values '900' and '90s'. Using '90s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 90s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Recursion detected, aborting. To ignore recursion, add --skip-recursion to the command line. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, INFO) Warning: Analysis 1 not completed. (line 290: Unsupported feature (recursion): Id_MCDC_122 = Id_MCDC_95(Id_MCDC_93 - 1, Id_MCDC_94 + 1); (line was originally Id_MCDC_122 = (Id_MCDC_95(Id_MCDC_93 - 1, Id_MCDC_94 + 1));)) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Statistics for algorithm 1 of 5 =============================== Total time for algorithm 1: 0.285s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 18.10 (sum: 5141, count: 284, min: 0, max: 29) Number of global variables per state: 12.68 (sum: 3600, count: 284, min: 0, max: 13) Number of assumptions: 286 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 298 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.006s 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: 0.010s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 471, count: 471, min: 1, max: 1) [1 x 471] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 269 Max size of waitlist: 16 Average size of waitlist: 10 Number of computed successors: 298 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 15 Number of times breaked: 0 Total time for CPA algorithm: 0.171s (Max: 0.171s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.026s Time for transfer relation: 0.096s Time for stop operator: 0.041s Time for adding to reached set: 0.002s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 269 Max size of waitlist: 16 Average size of waitlist: 10 Number of computed successors: 298 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 15 Number of times breaked: 0 Total time for CPA algorithm: 0.171s (Max: 0.171s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.026s Time for transfer relation: 0.096s Time for stop operator: 0.041s Time for adding to reached set: 0.002s 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--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis-itp-end.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis-itp-end.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis-itp-end.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Recursion detected, aborting. To ignore recursion, add --skip-recursion to the command line. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis-itp-end.properties:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, INFO) Warning: Analysis 2 not completed. (line 290: Unsupported feature (recursion): Id_MCDC_122 = Id_MCDC_95(Id_MCDC_93 - 1, Id_MCDC_94 + 1); (line was originally Id_MCDC_122 = (Id_MCDC_95(Id_MCDC_93 - 1, Id_MCDC_94 + 1));)) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Statistics for algorithm 2 of 5 =============================== Total time for algorithm 2: 0.062s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 60, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 60, min: 0, max: 0) Number of assumptions: 32 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 67 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.001s 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: 209, count: 209, min: 1, max: 1) [1 x 209] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 53 Max size of waitlist: 10 Average size of waitlist: 4 Number of computed successors: 67 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 8 Number of times breaked: 0 Total time for CPA algorithm: 0.023s (Max: 0.023s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.003s Time for transfer relation: 0.018s Time for stop operator: 0.000s Time for adding to reached set: 0.001s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 0 Number of targets found: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for completing refinement: 0.000s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 0 Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 53 Max size of waitlist: 10 Average size of waitlist: 4 Number of computed successors: 67 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 8 Number of times breaked: 0 Total time for CPA algorithm: 0.023s (Max: 0.023s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.003s Time for transfer relation: 0.018s Time for stop operator: 0.000s Time for adding to reached set: 0.001s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 0 Number of targets found: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for completing refinement: 0.000s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 0 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--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Loading analysis 3 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.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--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with BAMPredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:PredicateCPARefiner., INFO) Starting analysis 3 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Assuming external function fopen to be a pure function. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:ExpressionToFormulaVisitor.visit, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint was not reached, starting new iteration 1 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because we did not get new states (fixpoint reached). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, 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--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.0714 Requires alias handling: 1 Requires loop handling: 1 Has a single loop: 0 Requires composite-type handling: 1 Requires array handling: 1 Requires float handling: 0 Requires recursion handling: 0 Relevant addressed vars / relevant vars ratio: 0.0714 Program containing external functions: true Number of all righthand side functions: 15 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 5 Number of algorithms used: 4 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 4: 61.608s BAMCPA statistics ----------------- Number of blocks: 16 Max reached nesting level: 9 Time for building block partitioning: 0.018s Time for reducing abstract states: 0.311s Time for expanding abstract states: 0.918s Time for reducing precisions: 0.140s Time for expanding precisions: 0.161s Number of created nested algortihms: 682 Nesting level of target states with caching: 3.29 (#=75, min=0, max=7, hist=[0 x 10, 1 x 10, 2 x 10, 3 x 10, 4 x 10, 5 x 10, 6 x 8, 7 x 7]) Nesting level of target states without caching: 6.68 (#=75, min=5, max=7, hist=[5 x 12, 7 x 63]) BAM-based Refinement: Compute path for refinement: 0.032s Constructing flat ARG: 0.017s Searching path to error location: 0.015s Removing cached subtrees: 0.350s Number of refinements with a missing block: 0 Number of started refinements: 10 Number of spurious counterexamples: 10 Number of precise counterexamples: 0 Block statistics: Analyzed blocks: 15 Avg. time for block analysis: 4.092s Mean time for block analysis: 0.062s Min time for block analysis: 0.019s Max time for block analysis: 44.215s StdDev time for block analysis: 11.052s Total time for block analysis: 61.383s Time for main block: 3.624s ([N272]) BAMCache statistics ------------------- Total size of all ARGs: 61971 (#=663, avg=93.47, dev=1729.78, min=4, max=44596) Total number of recursive CPA calls: 14813 Number of cache misses: 663 (4% of all calls) Number of partial cache hits: 12 (0% of all calls) Number of full cache hits: 14138 (95% of all calls) Time for checking equality of abstract states: 0.066s (Calls: 14190) Time for computing the hashCode of abstract states: 0.099s (Calls: 15515) ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.50 (sum: 1, count: 2, min: 0, max: 1) Number of global variables per state: 0.50 (sum: 1, count: 2, min: 0, max: 1) Number of assumptions: 60540 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 186384 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.294s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 PredicateCPA statistics ----------------------- Number of abstractions: 85618 (50% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 28915 (34%) Because of loop head: 9356 (11%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 0 (0%) Times precision was empty: 85610 (100%) Times precision was {false}: 8 (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': 4 (0%) Number of strengthen sat checks: 0 Number of coverage checks: 45163 BDD entailment checks: 40325 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 18 Avg ABE block size: 2.17 (sum: 186006, count: 85618, min: 0, max: 18) Number of predicates discovered: 1 Number of abstraction locations: 1 Max number of predicates per location: 1 Avg number of predicates per location: 1 Total predicates per abstraction: 8 Max number of predicates per abstraction: 1 Avg number of predicates per abstraction: 1.00 Number of irrelevant predicates: 8 (100%) Time for post operator: 19.079s Time for path formula creation: 19.010s Time for strengthen operator: 0.107s Time for prec operator: 0.821s Time for abstraction: 0.207s (Max: 0.005s, Count: 85618) Solving time: 0.012s (Max: 0.002s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.042s Time for coverage checks: 0.032s Time for BDD entailment checks: 0.025s Total time for SMT solver (w/o itp): 0.012s Number of path formula cache hits: 21875 (12%) Inside post operator: Inside path formula creation: Time for path formula computation: 18.497s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 202 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.06 (sum: 14080, count: 230736, min: 0, max: 1314) Time for BDD node cleanup: 0.011s 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: 0.289s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 171305, count: 171315, min: 0, max: 1) [0 x 10, 1 x 171305] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 12 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 12, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 11, min: 0, max: 0) Number of computed successors: 12 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 10 Total time for CPA algorithm: 58.387s (Max: 19.188s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.001s Time for transfer relation: 58.386s Time for merge operator: 0.000s Time for stop operator: 0.000s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 10 Number of finished refinement: 9 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 1 Number of finished refinement: 1 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 10 Number of targets found: 10 (count: 10, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.780s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 9 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.017s Number of interpolations: 9 Number of interpolation queries: 18 (count: 1587, min: 0, max: 3, avg: 0.01) Size of interpolant: 0.07 (sum: 116, count: 1587, min: 0, max: 1) Number of sliced prefixes: 122 (count: 9, min: 1, max: 53, avg: 13.56) Extracting infeasible sliced prefixes: 0.254s Selecting infeasible sliced prefixes: 0.013s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 41.00 (sum: 41, count: 1, min: 41, max: 41) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 2.166s Path-formulas extraction: 0.016s Counterexample analysis: 2.142s (Max: 2.142s, Calls: 1) Refinement sat check: 0.077s Interpolant computation: 2.059s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.001s ARG update: 0.002s Length of refined path (in blocks): 38.00 (sum: 38, count: 1, min: 38, max: 38) Number of affected states: 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'true': 37 (count: 1, min: 37, max: 37, avg: 37.00) Length (states) of path with itp non-trivial itp: 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'false': 1 (count: 1, min: 1, max: 1, avg: 1.00) Different non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 10 Number of successful refinements: 10 Number of failed refinements: 0 Max. size of reached set before ref.: 2 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 61.416s Time for refinements: 3.029s Average time for refinement: 0.302s Max time for refinement: 2.225s CPA algorithm statistics ------------------------ Number of iterations: 12 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 12, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 11, min: 0, max: 0) Number of computed successors: 12 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 10 Total time for CPA algorithm: 58.387s (Max: 19.188s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.001s Time for transfer relation: 58.386s Time for merge operator: 0.000s Time for stop operator: 0.000s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 10 Number of finished refinement: 9 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 1 Number of finished refinement: 1 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 10 Number of targets found: 10 (count: 10, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.780s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 9 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.017s Number of interpolations: 9 Number of interpolation queries: 18 (count: 1587, min: 0, max: 3, avg: 0.01) Size of interpolant: 0.07 (sum: 116, count: 1587, min: 0, max: 1) Number of sliced prefixes: 122 (count: 9, min: 1, max: 53, avg: 13.56) Extracting infeasible sliced prefixes: 0.254s Selecting infeasible sliced prefixes: 0.013s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 41.00 (sum: 41, count: 1, min: 41, max: 41) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 2.166s Path-formulas extraction: 0.016s Counterexample analysis: 2.142s (Max: 2.142s, Calls: 1) Refinement sat check: 0.077s Interpolant computation: 2.059s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.001s ARG update: 0.002s Length of refined path (in blocks): 38.00 (sum: 38, count: 1, min: 38, max: 38) Number of affected states: 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'true': 37 (count: 1, min: 37, max: 37, avg: 37.00) Length (states) of path with itp non-trivial itp: 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'false': 1 (count: 1, min: 1, max: 1, avg: 1.00) Different non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 10 Number of successful refinements: 10 Number of failed refinements: 0 Max. size of reached set before ref.: 2 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 61.416s Time for refinements: 3.029s Average time for refinement: 0.302s Max time for refinement: 2.225s CPAchecker general statistics ----------------------------- Number of program locations: 370 Number of CFA edges (per node): 429 (count: 370, min: 0, max: 4, avg: 1.16) Number of relevant variables: 70 Number of functions: 12 Number of loops (and loop nodes): 6 (sum: 62, min: 4, max: 34, avg: 10.33) Size of reached set: 2 Number of reached locations: 2 (1%) Avg states per location: 1 Max states per location: 1 (at node N271) Number of reached functions: 1 (8%) Number of target states: 0 Time for analysis setup: 1.433s Time for loading CPAs: 0.392s Time for loading parser: 0.217s Time for CFA construction: 0.799s Time for parsing file(s): 0.269s Time for AST to CFA: 0.287s Time for CFA sanity check: 0.001s Time for post-processing: 0.176s Time for loop structure: 0.015s Time for AST structure: 0.000s Time for function pointers resolving: 0.005s 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: 0.106s Time for collecting variables: 0.074s Time for solving dependencies: 0.002s Time for building hierarchy: 0.000s Time for building classification: 0.030s Time for exporting data: 0.000s Time for Analysis: 62.005s CPU time for analysis: 85.400s Time for analyzing result: 0.000s Total time for CPAchecker: 63.439s Total CPU time for CPAchecker: 88.180s Time for statistics: 0.070s Time for Garbage Collector: 2.534s (in 46 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: TRUE. No property violation found by chosen configuration. Exporting witnesses in Version 2.1 is currently WIP. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".