/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 03:27:07,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 03:27:07,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 03:27:07,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-24 03:27:07,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 03:27:07,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 03:27:07,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 03:27:07,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 03:27:07,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 03:27:07,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 03:27:07,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 03:27:07,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 03:27:07,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 03:27:07,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 03:27:07,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 03:27:07,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 03:27:07,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-24 03:27:07,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 03:27:07,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 03:27:07,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 03:27:07,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-24 03:27:07,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 03:27:07,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 03:27:07,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 03:27:07,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 03:27:07,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 03:27:07,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 03:27:07,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 03:27:07,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 03:27:07,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 03:27:07,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 03:27:07,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 03:27:07,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 03:27:07,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 03:27:07,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-24 03:27:07,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 03:27:07,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 03:27:07,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 03:27:07,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-24 03:27:07,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 03:27:07,631 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-24 03:27:07,631 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 03:27:07,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 03:27:07,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 03:27:07,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 03:27:07,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 03:27:07,898 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 03:27:07,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2022-02-24 03:27:07,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058cbcf87/953ab9701ba649988e76dc79e8d6ab3e/FLAG6fa40365a [2022-02-24 03:27:08,337 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 03:27:08,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2022-02-24 03:27:08,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058cbcf87/953ab9701ba649988e76dc79e8d6ab3e/FLAG6fa40365a [2022-02-24 03:27:08,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058cbcf87/953ab9701ba649988e76dc79e8d6ab3e [2022-02-24 03:27:08,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 03:27:08,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-24 03:27:08,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 03:27:08,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 03:27:08,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 03:27:08,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce369da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08, skipping insertion in model container [2022-02-24 03:27:08,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 03:27:08,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 03:27:08,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] [2022-02-24 03:27:08,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 03:27:08,703 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 03:27:08,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] [2022-02-24 03:27:08,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 03:27:08,776 INFO L208 MainTranslator]: Completed translation [2022-02-24 03:27:08,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08 WrapperNode [2022-02-24 03:27:08,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 03:27:08,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 03:27:08,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 03:27:08,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 03:27:08,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 03:27:08,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 03:27:08,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 03:27:08,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 03:27:08,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (1/1) ... [2022-02-24 03:27:08,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 03:27:08,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 03:27:08,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-24 03:27:08,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-24 03:27:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 03:27:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 03:27:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 03:27:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 03:27:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 03:27:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 03:27:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 03:27:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 03:27:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-02-24 03:27:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-02-24 03:27:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 03:27:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-24 03:27:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-24 03:27:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 03:27:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-24 03:27:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 03:27:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 03:27:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 03:27:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 03:27:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-24 03:27:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 03:27:09,029 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 03:27:09,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 03:27:09,537 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 03:27:09,542 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 03:27:09,542 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-24 03:27:09,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:27:09 BoogieIcfgContainer [2022-02-24 03:27:09,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 03:27:09,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 03:27:09,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 03:27:09,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 03:27:09,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:27:08" (1/3) ... [2022-02-24 03:27:09,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fdb522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:27:09, skipping insertion in model container [2022-02-24 03:27:09,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:27:08" (2/3) ... [2022-02-24 03:27:09,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fdb522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:27:09, skipping insertion in model container [2022-02-24 03:27:09,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:27:09" (3/3) ... [2022-02-24 03:27:09,551 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2022-02-24 03:27:09,557 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-24 03:27:09,557 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 03:27:09,599 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 03:27:09,617 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=QVASR [2022-02-24 03:27:09,617 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 03:27:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-24 03:27:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-24 03:27:09,648 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:09,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:09,649 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:09,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:09,653 INFO L85 PathProgramCache]: Analyzing trace with hash -63360149, now seen corresponding path program 1 times [2022-02-24 03:27:09,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:09,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875893865] [2022-02-24 03:27:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:09,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:09,736 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:10,042 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:10,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875893865] [2022-02-24 03:27:10,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [875893865] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:10,044 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:10,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 03:27:10,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377602247] [2022-02-24 03:27:10,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:10,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 03:27:10,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 03:27:10,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 03:27:10,073 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:10,185 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-02-24 03:27:10,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 03:27:10,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-02-24 03:27:10,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:10,196 INFO L225 Difference]: With dead ends: 38 [2022-02-24 03:27:10,196 INFO L226 Difference]: Without dead ends: 21 [2022-02-24 03:27:10,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-24 03:27:10,204 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 27 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:10,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 43 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:27:10,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-02-24 03:27:10,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2022-02-24 03:27:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-02-24 03:27:10,233 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2022-02-24 03:27:10,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:10,233 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-02-24 03:27:10,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-02-24 03:27:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-24 03:27:10,234 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:10,234 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:10,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 03:27:10,235 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:10,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:10,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2033873229, now seen corresponding path program 1 times [2022-02-24 03:27:10,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:10,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341285992] [2022-02-24 03:27:10,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:10,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:10,239 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:10,458 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:10,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341285992] [2022-02-24 03:27:10,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [341285992] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:10,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:10,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:27:10,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791548032] [2022-02-24 03:27:10,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:10,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:27:10,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:10,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:27:10,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:27:10,463 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:10,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:10,625 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2022-02-24 03:27:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-24 03:27:10,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-02-24 03:27:10,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:10,626 INFO L225 Difference]: With dead ends: 29 [2022-02-24 03:27:10,627 INFO L226 Difference]: Without dead ends: 26 [2022-02-24 03:27:10,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-24 03:27:10,632 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:10,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 36 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:27:10,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-02-24 03:27:10,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2022-02-24 03:27:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-02-24 03:27:10,648 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 17 [2022-02-24 03:27:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:10,649 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-02-24 03:27:10,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-02-24 03:27:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-24 03:27:10,650 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:10,650 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:10,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 03:27:10,650 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:10,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2006384747, now seen corresponding path program 2 times [2022-02-24 03:27:10,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:10,651 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872326811] [2022-02-24 03:27:10,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:10,653 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:10,832 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:10,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872326811] [2022-02-24 03:27:10,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [872326811] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:10,833 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:10,834 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-24 03:27:10,834 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428595122] [2022-02-24 03:27:10,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:10,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-24 03:27:10,835 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:10,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-24 03:27:10,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-24 03:27:10,836 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:11,020 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2022-02-24 03:27:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-24 03:27:11,020 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-02-24 03:27:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:11,021 INFO L225 Difference]: With dead ends: 34 [2022-02-24 03:27:11,021 INFO L226 Difference]: Without dead ends: 31 [2022-02-24 03:27:11,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-02-24 03:27:11,023 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 16 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:11,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 49 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:27:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-02-24 03:27:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2022-02-24 03:27:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2022-02-24 03:27:11,034 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 22 [2022-02-24 03:27:11,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:11,034 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2022-02-24 03:27:11,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-02-24 03:27:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-24 03:27:11,035 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:11,035 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:11,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-24 03:27:11,035 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:11,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:11,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1862263219, now seen corresponding path program 3 times [2022-02-24 03:27:11,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:11,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378086161] [2022-02-24 03:27:11,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:11,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:11,045 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:11,203 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:11,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378086161] [2022-02-24 03:27:11,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1378086161] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:11,204 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:11,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-24 03:27:11,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68502133] [2022-02-24 03:27:11,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:11,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-24 03:27:11,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:11,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-24 03:27:11,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-24 03:27:11,205 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:11,409 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2022-02-24 03:27:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-24 03:27:11,410 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-02-24 03:27:11,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:11,411 INFO L225 Difference]: With dead ends: 39 [2022-02-24 03:27:11,411 INFO L226 Difference]: Without dead ends: 36 [2022-02-24 03:27:11,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-02-24 03:27:11,412 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 18 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:11,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 64 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:27:11,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-02-24 03:27:11,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2022-02-24 03:27:11,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2022-02-24 03:27:11,420 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 27 [2022-02-24 03:27:11,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:11,420 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2022-02-24 03:27:11,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2022-02-24 03:27:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-24 03:27:11,421 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:11,421 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:11,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-24 03:27:11,421 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:11,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:11,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1171819883, now seen corresponding path program 4 times [2022-02-24 03:27:11,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:11,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310658209] [2022-02-24 03:27:11,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:11,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:11,429 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:11,586 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:11,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310658209] [2022-02-24 03:27:11,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [310658209] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:11,588 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:11,588 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-24 03:27:11,589 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200399217] [2022-02-24 03:27:11,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:11,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-24 03:27:11,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:11,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-24 03:27:11,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-24 03:27:11,592 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:11,834 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2022-02-24 03:27:11,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-24 03:27:11,835 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-02-24 03:27:11,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:11,836 INFO L225 Difference]: With dead ends: 44 [2022-02-24 03:27:11,836 INFO L226 Difference]: Without dead ends: 41 [2022-02-24 03:27:11,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-02-24 03:27:11,837 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:11,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 81 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 03:27:11,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-02-24 03:27:11,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-02-24 03:27:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2022-02-24 03:27:11,849 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 32 [2022-02-24 03:27:11,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:11,849 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2022-02-24 03:27:11,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2022-02-24 03:27:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-24 03:27:11,850 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:11,850 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:11,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-24 03:27:11,851 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:11,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:11,851 INFO L85 PathProgramCache]: Analyzing trace with hash -55675725, now seen corresponding path program 5 times [2022-02-24 03:27:11,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:11,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416950112] [2022-02-24 03:27:11,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:11,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:11,855 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:12,024 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:12,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416950112] [2022-02-24 03:27:12,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [416950112] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:12,024 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:12,024 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-24 03:27:12,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663047590] [2022-02-24 03:27:12,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:12,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-24 03:27:12,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:12,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-24 03:27:12,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-02-24 03:27:12,026 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:12,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:12,304 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2022-02-24 03:27:12,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-24 03:27:12,305 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-02-24 03:27:12,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:12,306 INFO L225 Difference]: With dead ends: 49 [2022-02-24 03:27:12,306 INFO L226 Difference]: Without dead ends: 46 [2022-02-24 03:27:12,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2022-02-24 03:27:12,307 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 22 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:12,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 100 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 03:27:12,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-02-24 03:27:12,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2022-02-24 03:27:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:12,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2022-02-24 03:27:12,318 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 37 [2022-02-24 03:27:12,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:12,321 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2022-02-24 03:27:12,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-02-24 03:27:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-24 03:27:12,324 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:12,324 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:12,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-24 03:27:12,324 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:12,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:12,325 INFO L85 PathProgramCache]: Analyzing trace with hash -313664917, now seen corresponding path program 6 times [2022-02-24 03:27:12,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:12,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1941835630] [2022-02-24 03:27:12,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:12,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:12,353 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:12,561 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:12,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1941835630] [2022-02-24 03:27:12,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1941835630] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:12,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:12,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-24 03:27:12,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745069494] [2022-02-24 03:27:12,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:12,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-24 03:27:12,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:12,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-24 03:27:12,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-02-24 03:27:12,563 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:12,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:12,883 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2022-02-24 03:27:12,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-24 03:27:12,883 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-02-24 03:27:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:12,884 INFO L225 Difference]: With dead ends: 54 [2022-02-24 03:27:12,884 INFO L226 Difference]: Without dead ends: 51 [2022-02-24 03:27:12,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2022-02-24 03:27:12,885 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 24 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:12,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 121 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 03:27:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-02-24 03:27:12,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2022-02-24 03:27:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2022-02-24 03:27:12,895 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 42 [2022-02-24 03:27:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:12,895 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2022-02-24 03:27:12,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2022-02-24 03:27:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-24 03:27:12,896 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:12,896 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:12,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-24 03:27:12,897 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:12,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:12,897 INFO L85 PathProgramCache]: Analyzing trace with hash 461457331, now seen corresponding path program 7 times [2022-02-24 03:27:12,897 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:12,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249289899] [2022-02-24 03:27:12,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:12,900 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:13,092 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:13,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249289899] [2022-02-24 03:27:13,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1249289899] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:13,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:13,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-24 03:27:13,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713699920] [2022-02-24 03:27:13,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:13,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-24 03:27:13,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:13,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-24 03:27:13,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-02-24 03:27:13,094 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:13,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:13,482 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2022-02-24 03:27:13,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-24 03:27:13,487 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2022-02-24 03:27:13,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:13,488 INFO L225 Difference]: With dead ends: 59 [2022-02-24 03:27:13,488 INFO L226 Difference]: Without dead ends: 56 [2022-02-24 03:27:13,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2022-02-24 03:27:13,489 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 26 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:13,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 144 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 03:27:13,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-02-24 03:27:13,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2022-02-24 03:27:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 49 states have internal predecessors, (50), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2022-02-24 03:27:13,500 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 47 [2022-02-24 03:27:13,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:13,500 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2022-02-24 03:27:13,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2022-02-24 03:27:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-24 03:27:13,501 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:13,501 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:13,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-24 03:27:13,502 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:13,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:13,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1346824043, now seen corresponding path program 8 times [2022-02-24 03:27:13,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:13,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302978429] [2022-02-24 03:27:13,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:13,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:13,509 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:13,736 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:13,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302978429] [2022-02-24 03:27:13,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [302978429] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:13,736 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:13,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-24 03:27:13,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807752314] [2022-02-24 03:27:13,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:13,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-24 03:27:13,738 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:13,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-24 03:27:13,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-02-24 03:27:13,739 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:14,167 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2022-02-24 03:27:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-24 03:27:14,168 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-02-24 03:27:14,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:14,169 INFO L225 Difference]: With dead ends: 64 [2022-02-24 03:27:14,169 INFO L226 Difference]: Without dead ends: 61 [2022-02-24 03:27:14,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2022-02-24 03:27:14,170 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:14,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 169 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-24 03:27:14,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-02-24 03:27:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2022-02-24 03:27:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2022-02-24 03:27:14,182 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 52 [2022-02-24 03:27:14,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:14,182 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2022-02-24 03:27:14,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2022-02-24 03:27:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-24 03:27:14,183 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:14,183 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:14,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-24 03:27:14,183 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:14,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:14,184 INFO L85 PathProgramCache]: Analyzing trace with hash -618112333, now seen corresponding path program 9 times [2022-02-24 03:27:14,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:14,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416907090] [2022-02-24 03:27:14,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:14,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:14,187 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:14,413 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:14,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416907090] [2022-02-24 03:27:14,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [416907090] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:14,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:14,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-02-24 03:27:14,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491012420] [2022-02-24 03:27:14,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:14,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-24 03:27:14,414 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:14,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-24 03:27:14,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-02-24 03:27:14,414 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:14,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:14,892 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2022-02-24 03:27:14,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-24 03:27:14,893 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2022-02-24 03:27:14,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:14,893 INFO L225 Difference]: With dead ends: 69 [2022-02-24 03:27:14,893 INFO L226 Difference]: Without dead ends: 66 [2022-02-24 03:27:14,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2022-02-24 03:27:14,894 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 30 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:14,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 196 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-24 03:27:14,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-02-24 03:27:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2022-02-24 03:27:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2022-02-24 03:27:14,906 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 57 [2022-02-24 03:27:14,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:14,906 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2022-02-24 03:27:14,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2022-02-24 03:27:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-24 03:27:14,907 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:14,907 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:14,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-24 03:27:14,907 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:14,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:14,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1391217557, now seen corresponding path program 10 times [2022-02-24 03:27:14,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:14,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173088723] [2022-02-24 03:27:14,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:14,910 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:15,217 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:15,217 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173088723] [2022-02-24 03:27:15,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [173088723] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:15,218 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:15,218 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-24 03:27:15,218 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358409915] [2022-02-24 03:27:15,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:15,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-24 03:27:15,218 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:15,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-24 03:27:15,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-02-24 03:27:15,219 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:15,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:15,765 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2022-02-24 03:27:15,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-24 03:27:15,765 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2022-02-24 03:27:15,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:15,766 INFO L225 Difference]: With dead ends: 74 [2022-02-24 03:27:15,766 INFO L226 Difference]: Without dead ends: 71 [2022-02-24 03:27:15,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2022-02-24 03:27:15,768 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 32 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:15,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 225 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-24 03:27:15,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-02-24 03:27:15,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2022-02-24 03:27:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 64 states have (on average 1.015625) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2022-02-24 03:27:15,779 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 62 [2022-02-24 03:27:15,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:15,779 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2022-02-24 03:27:15,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2022-02-24 03:27:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-24 03:27:15,780 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:15,780 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:15,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-24 03:27:15,780 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:15,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:15,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1867754931, now seen corresponding path program 11 times [2022-02-24 03:27:15,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:15,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728053965] [2022-02-24 03:27:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:15,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:15,784 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:16,029 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:16,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728053965] [2022-02-24 03:27:16,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [728053965] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:16,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:16,030 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-24 03:27:16,030 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057227152] [2022-02-24 03:27:16,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:16,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-24 03:27:16,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:16,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-24 03:27:16,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-02-24 03:27:16,031 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand has 16 states, 16 states have (on average 4.0) internal successors, (64), 15 states have internal predecessors, (64), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:16,638 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2022-02-24 03:27:16,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-24 03:27:16,638 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.0) internal successors, (64), 15 states have internal predecessors, (64), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-02-24 03:27:16,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:16,639 INFO L225 Difference]: With dead ends: 79 [2022-02-24 03:27:16,639 INFO L226 Difference]: Without dead ends: 76 [2022-02-24 03:27:16,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2022-02-24 03:27:16,640 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 34 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:16,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 256 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-24 03:27:16,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-24 03:27:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2022-02-24 03:27:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 69 states have (on average 1.0144927536231885) internal successors, (70), 69 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2022-02-24 03:27:16,652 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 67 [2022-02-24 03:27:16,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:16,652 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2022-02-24 03:27:16,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.0) internal successors, (64), 15 states have internal predecessors, (64), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2022-02-24 03:27:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-24 03:27:16,653 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:16,653 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:16,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-24 03:27:16,653 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:16,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:16,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1643888277, now seen corresponding path program 12 times [2022-02-24 03:27:16,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:16,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343360842] [2022-02-24 03:27:16,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:16,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:16,657 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:16,965 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:16,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343360842] [2022-02-24 03:27:16,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1343360842] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:16,965 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:16,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-24 03:27:16,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421469279] [2022-02-24 03:27:16,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:16,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-24 03:27:16,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:16,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-24 03:27:16,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-02-24 03:27:16,968 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:17,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:17,635 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2022-02-24 03:27:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-24 03:27:17,635 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2022-02-24 03:27:17,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:17,636 INFO L225 Difference]: With dead ends: 84 [2022-02-24 03:27:17,636 INFO L226 Difference]: Without dead ends: 81 [2022-02-24 03:27:17,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2022-02-24 03:27:17,637 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 36 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:17,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 289 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-24 03:27:17,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-02-24 03:27:17,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2022-02-24 03:27:17,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.0135135135135136) internal successors, (75), 74 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2022-02-24 03:27:17,648 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 72 [2022-02-24 03:27:17,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:17,648 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2022-02-24 03:27:17,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2022-02-24 03:27:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-24 03:27:17,649 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:17,649 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:17,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-24 03:27:17,650 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:17,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:17,650 INFO L85 PathProgramCache]: Analyzing trace with hash 800276659, now seen corresponding path program 13 times [2022-02-24 03:27:17,650 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:17,650 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110053147] [2022-02-24 03:27:17,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:17,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:17,653 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:17,965 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:17,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110053147] [2022-02-24 03:27:17,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1110053147] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:17,965 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:17,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-24 03:27:17,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223682170] [2022-02-24 03:27:17,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:17,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-24 03:27:17,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:17,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-24 03:27:17,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-02-24 03:27:17,967 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 17 states have internal predecessors, (74), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:18,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:18,669 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2022-02-24 03:27:18,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-24 03:27:18,669 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 17 states have internal predecessors, (74), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-02-24 03:27:18,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:18,670 INFO L225 Difference]: With dead ends: 89 [2022-02-24 03:27:18,670 INFO L226 Difference]: Without dead ends: 86 [2022-02-24 03:27:18,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=1022, Unknown=0, NotChecked=0, Total=1122 [2022-02-24 03:27:18,671 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 38 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:18,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 324 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-24 03:27:18,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-02-24 03:27:18,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2022-02-24 03:27:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 79 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:18,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2022-02-24 03:27:18,682 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 77 [2022-02-24 03:27:18,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:18,683 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2022-02-24 03:27:18,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.111111111111111) internal successors, (74), 17 states have internal predecessors, (74), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2022-02-24 03:27:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-02-24 03:27:18,683 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:18,684 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:18,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-24 03:27:18,684 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:18,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:18,684 INFO L85 PathProgramCache]: Analyzing trace with hash 426282603, now seen corresponding path program 14 times [2022-02-24 03:27:18,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:18,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282002541] [2022-02-24 03:27:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:18,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:18,687 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:18,988 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:18,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282002541] [2022-02-24 03:27:18,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1282002541] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:18,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:18,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-02-24 03:27:18,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363421884] [2022-02-24 03:27:18,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:18,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-24 03:27:18,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:18,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-24 03:27:18,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-02-24 03:27:18,990 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand has 19 states, 19 states have (on average 4.157894736842105) internal successors, (79), 18 states have internal predecessors, (79), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:19,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:19,713 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2022-02-24 03:27:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-24 03:27:19,713 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.157894736842105) internal successors, (79), 18 states have internal predecessors, (79), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2022-02-24 03:27:19,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:19,714 INFO L225 Difference]: With dead ends: 94 [2022-02-24 03:27:19,714 INFO L226 Difference]: Without dead ends: 91 [2022-02-24 03:27:19,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=1154, Unknown=0, NotChecked=0, Total=1260 [2022-02-24 03:27:19,715 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 40 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:19,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 361 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-24 03:27:19,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-02-24 03:27:19,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2022-02-24 03:27:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.0119047619047619) internal successors, (85), 84 states have internal predecessors, (85), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2022-02-24 03:27:19,726 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 82 [2022-02-24 03:27:19,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:19,727 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2022-02-24 03:27:19,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.157894736842105) internal successors, (79), 18 states have internal predecessors, (79), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:19,727 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2022-02-24 03:27:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-24 03:27:19,728 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:19,728 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:19,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-24 03:27:19,728 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:19,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1745415245, now seen corresponding path program 15 times [2022-02-24 03:27:19,729 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:19,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410480317] [2022-02-24 03:27:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:19,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:19,732 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:20,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:20,069 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:20,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410480317] [2022-02-24 03:27:20,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [410480317] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:20,070 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:20,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-02-24 03:27:20,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593825356] [2022-02-24 03:27:20,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:20,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-24 03:27:20,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:20,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-24 03:27:20,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2022-02-24 03:27:20,071 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand has 20 states, 20 states have (on average 4.2) internal successors, (84), 19 states have internal predecessors, (84), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:20,861 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2022-02-24 03:27:20,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-24 03:27:20,862 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.2) internal successors, (84), 19 states have internal predecessors, (84), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-02-24 03:27:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:20,862 INFO L225 Difference]: With dead ends: 99 [2022-02-24 03:27:20,863 INFO L226 Difference]: Without dead ends: 96 [2022-02-24 03:27:20,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=1294, Unknown=0, NotChecked=0, Total=1406 [2022-02-24 03:27:20,864 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 42 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:20,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 400 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-24 03:27:20,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-02-24 03:27:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2022-02-24 03:27:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 89 states have (on average 1.0112359550561798) internal successors, (90), 89 states have internal predecessors, (90), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:20,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2022-02-24 03:27:20,875 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 87 [2022-02-24 03:27:20,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:20,875 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2022-02-24 03:27:20,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.2) internal successors, (84), 19 states have internal predecessors, (84), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2022-02-24 03:27:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-24 03:27:20,876 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:20,876 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:20,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-24 03:27:20,876 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:20,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1905302379, now seen corresponding path program 16 times [2022-02-24 03:27:20,877 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:20,877 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870986613] [2022-02-24 03:27:20,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:20,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:20,884 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:21,261 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:21,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870986613] [2022-02-24 03:27:21,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1870986613] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:21,261 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:21,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-02-24 03:27:21,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605480524] [2022-02-24 03:27:21,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:21,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-24 03:27:21,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:21,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-24 03:27:21,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2022-02-24 03:27:21,262 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand has 21 states, 21 states have (on average 4.238095238095238) internal successors, (89), 20 states have internal predecessors, (89), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:22,164 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2022-02-24 03:27:22,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-24 03:27:22,164 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.238095238095238) internal successors, (89), 20 states have internal predecessors, (89), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92 [2022-02-24 03:27:22,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:22,165 INFO L225 Difference]: With dead ends: 104 [2022-02-24 03:27:22,165 INFO L226 Difference]: Without dead ends: 101 [2022-02-24 03:27:22,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=1442, Unknown=0, NotChecked=0, Total=1560 [2022-02-24 03:27:22,166 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 44 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:22,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 441 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-24 03:27:22,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-02-24 03:27:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2022-02-24 03:27:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 94 states have (on average 1.0106382978723405) internal successors, (95), 94 states have internal predecessors, (95), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2022-02-24 03:27:22,178 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 92 [2022-02-24 03:27:22,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:22,178 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2022-02-24 03:27:22,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.238095238095238) internal successors, (89), 20 states have internal predecessors, (89), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2022-02-24 03:27:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-02-24 03:27:22,179 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:22,179 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:22,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-24 03:27:22,180 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1204758195, now seen corresponding path program 17 times [2022-02-24 03:27:22,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:22,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265228911] [2022-02-24 03:27:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:22,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:22,183 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:22,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:22,563 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:22,563 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265228911] [2022-02-24 03:27:22,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [265228911] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:22,563 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:22,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-02-24 03:27:22,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563227109] [2022-02-24 03:27:22,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:22,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-24 03:27:22,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:22,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-24 03:27:22,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2022-02-24 03:27:22,564 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:23,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:23,549 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2022-02-24 03:27:23,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-24 03:27:23,549 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2022-02-24 03:27:23,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:23,550 INFO L225 Difference]: With dead ends: 109 [2022-02-24 03:27:23,550 INFO L226 Difference]: Without dead ends: 106 [2022-02-24 03:27:23,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=1598, Unknown=0, NotChecked=0, Total=1722 [2022-02-24 03:27:23,551 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 46 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:23,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 484 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-24 03:27:23,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-02-24 03:27:23,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2022-02-24 03:27:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 99 states have (on average 1.0101010101010102) internal successors, (100), 99 states have internal predecessors, (100), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2022-02-24 03:27:23,575 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 97 [2022-02-24 03:27:23,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:23,575 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2022-02-24 03:27:23,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2022-02-24 03:27:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-02-24 03:27:23,576 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:23,576 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:23,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-24 03:27:23,576 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:23,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:23,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1422682219, now seen corresponding path program 18 times [2022-02-24 03:27:23,577 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:23,577 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282373923] [2022-02-24 03:27:23,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:23,580 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:23,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:24,002 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:24,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282373923] [2022-02-24 03:27:24,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [282373923] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:24,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:24,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-02-24 03:27:24,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596009] [2022-02-24 03:27:24,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:24,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-24 03:27:24,004 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:24,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-24 03:27:24,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2022-02-24 03:27:24,004 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand has 23 states, 23 states have (on average 4.304347826086956) internal successors, (99), 22 states have internal predecessors, (99), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:25,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:25,071 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2022-02-24 03:27:25,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-24 03:27:25,072 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.304347826086956) internal successors, (99), 22 states have internal predecessors, (99), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 102 [2022-02-24 03:27:25,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:25,073 INFO L225 Difference]: With dead ends: 114 [2022-02-24 03:27:25,073 INFO L226 Difference]: Without dead ends: 111 [2022-02-24 03:27:25,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=1762, Unknown=0, NotChecked=0, Total=1892 [2022-02-24 03:27:25,074 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 48 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:25,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 529 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-24 03:27:25,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-02-24 03:27:25,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2022-02-24 03:27:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 104 states have (on average 1.0096153846153846) internal successors, (105), 104 states have internal predecessors, (105), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2022-02-24 03:27:25,086 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 102 [2022-02-24 03:27:25,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:25,086 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2022-02-24 03:27:25,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.304347826086956) internal successors, (99), 22 states have internal predecessors, (99), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2022-02-24 03:27:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-24 03:27:25,087 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:25,087 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:25,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-24 03:27:25,087 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:25,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:25,088 INFO L85 PathProgramCache]: Analyzing trace with hash 48986547, now seen corresponding path program 19 times [2022-02-24 03:27:25,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:25,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075599452] [2022-02-24 03:27:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:25,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:25,091 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:25,525 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:25,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075599452] [2022-02-24 03:27:25,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2075599452] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:25,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:25,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-02-24 03:27:25,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157011213] [2022-02-24 03:27:25,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:25,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-24 03:27:25,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:25,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-24 03:27:25,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2022-02-24 03:27:25,527 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:26,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:26,640 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2022-02-24 03:27:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-24 03:27:26,640 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 107 [2022-02-24 03:27:26,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:26,641 INFO L225 Difference]: With dead ends: 119 [2022-02-24 03:27:26,641 INFO L226 Difference]: Without dead ends: 116 [2022-02-24 03:27:26,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=136, Invalid=1934, Unknown=0, NotChecked=0, Total=2070 [2022-02-24 03:27:26,642 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 50 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:26,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 576 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-24 03:27:26,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-02-24 03:27:26,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2022-02-24 03:27:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 109 states have (on average 1.0091743119266054) internal successors, (110), 109 states have internal predecessors, (110), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2022-02-24 03:27:26,656 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 107 [2022-02-24 03:27:26,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:26,657 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2022-02-24 03:27:26,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2022-02-24 03:27:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-24 03:27:26,658 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:26,658 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:26,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-24 03:27:26,658 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:26,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:26,659 INFO L85 PathProgramCache]: Analyzing trace with hash -848562837, now seen corresponding path program 20 times [2022-02-24 03:27:26,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:26,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339598428] [2022-02-24 03:27:26,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:26,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:26,662 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:27,136 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:27,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339598428] [2022-02-24 03:27:27,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1339598428] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:27,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:27,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-02-24 03:27:27,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110591871] [2022-02-24 03:27:27,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:27,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-24 03:27:27,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:27,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-24 03:27:27,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2022-02-24 03:27:27,138 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand has 25 states, 25 states have (on average 4.36) internal successors, (109), 24 states have internal predecessors, (109), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:28,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:28,366 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2022-02-24 03:27:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-24 03:27:28,366 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.36) internal successors, (109), 24 states have internal predecessors, (109), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2022-02-24 03:27:28,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:28,367 INFO L225 Difference]: With dead ends: 124 [2022-02-24 03:27:28,367 INFO L226 Difference]: Without dead ends: 121 [2022-02-24 03:27:28,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=2114, Unknown=0, NotChecked=0, Total=2256 [2022-02-24 03:27:28,368 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 52 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:28,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 625 Invalid, 1964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-24 03:27:28,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-02-24 03:27:28,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-02-24 03:27:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 114 states have (on average 1.0087719298245614) internal successors, (115), 114 states have internal predecessors, (115), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2022-02-24 03:27:28,381 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 112 [2022-02-24 03:27:28,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:28,381 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2022-02-24 03:27:28,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.36) internal successors, (109), 24 states have internal predecessors, (109), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2022-02-24 03:27:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-02-24 03:27:28,382 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:28,382 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:28,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-24 03:27:28,382 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:28,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:28,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1325658957, now seen corresponding path program 21 times [2022-02-24 03:27:28,383 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:28,383 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36240070] [2022-02-24 03:27:28,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:28,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:28,386 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:28,883 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:28,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36240070] [2022-02-24 03:27:28,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [36240070] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:28,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:28,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-24 03:27:28,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385225126] [2022-02-24 03:27:28,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:28,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-24 03:27:28,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:28,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-24 03:27:28,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2022-02-24 03:27:28,884 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 25 states have internal predecessors, (114), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:30,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:30,092 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2022-02-24 03:27:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-24 03:27:30,092 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 25 states have internal predecessors, (114), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 117 [2022-02-24 03:27:30,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:30,093 INFO L225 Difference]: With dead ends: 129 [2022-02-24 03:27:30,093 INFO L226 Difference]: Without dead ends: 126 [2022-02-24 03:27:30,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=148, Invalid=2302, Unknown=0, NotChecked=0, Total=2450 [2022-02-24 03:27:30,095 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 54 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 2099 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:30,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 676 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2099 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-24 03:27:30,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-02-24 03:27:30,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2022-02-24 03:27:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 119 states have (on average 1.0084033613445378) internal successors, (120), 119 states have internal predecessors, (120), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2022-02-24 03:27:30,114 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 117 [2022-02-24 03:27:30,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:30,114 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2022-02-24 03:27:30,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 25 states have internal predecessors, (114), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2022-02-24 03:27:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-24 03:27:30,115 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:30,115 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:30,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-24 03:27:30,116 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:30,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:30,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1103053419, now seen corresponding path program 22 times [2022-02-24 03:27:30,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:30,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935531598] [2022-02-24 03:27:30,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:30,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:30,120 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:30,604 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:30,605 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935531598] [2022-02-24 03:27:30,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [935531598] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:30,605 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:30,605 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-02-24 03:27:30,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46079237] [2022-02-24 03:27:30,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:30,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-24 03:27:30,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:30,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-24 03:27:30,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-02-24 03:27:30,606 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand has 27 states, 27 states have (on average 4.407407407407407) internal successors, (119), 26 states have internal predecessors, (119), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:31,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:31,919 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2022-02-24 03:27:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-24 03:27:31,919 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.407407407407407) internal successors, (119), 26 states have internal predecessors, (119), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2022-02-24 03:27:31,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:31,920 INFO L225 Difference]: With dead ends: 134 [2022-02-24 03:27:31,920 INFO L226 Difference]: Without dead ends: 131 [2022-02-24 03:27:31,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=154, Invalid=2498, Unknown=0, NotChecked=0, Total=2652 [2022-02-24 03:27:31,922 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 56 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:31,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 729 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-24 03:27:31,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-02-24 03:27:31,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2022-02-24 03:27:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 124 states have (on average 1.0080645161290323) internal successors, (125), 124 states have internal predecessors, (125), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions. [2022-02-24 03:27:31,938 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 122 [2022-02-24 03:27:31,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:31,939 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions. [2022-02-24 03:27:31,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.407407407407407) internal successors, (119), 26 states have internal predecessors, (119), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions. [2022-02-24 03:27:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-02-24 03:27:31,940 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:31,940 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:31,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-24 03:27:31,941 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:31,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:31,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1571872691, now seen corresponding path program 23 times [2022-02-24 03:27:31,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:31,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783557776] [2022-02-24 03:27:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:31,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:31,946 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:32,501 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:32,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783557776] [2022-02-24 03:27:32,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1783557776] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:32,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:32,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-02-24 03:27:32,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210162503] [2022-02-24 03:27:32,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:32,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-24 03:27:32,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:32,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-24 03:27:32,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-02-24 03:27:32,502 INFO L87 Difference]: Start difference. First operand 128 states and 128 transitions. Second operand has 28 states, 28 states have (on average 4.428571428571429) internal successors, (124), 27 states have internal predecessors, (124), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:33,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:33,893 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2022-02-24 03:27:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-24 03:27:33,894 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.428571428571429) internal successors, (124), 27 states have internal predecessors, (124), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2022-02-24 03:27:33,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:33,894 INFO L225 Difference]: With dead ends: 139 [2022-02-24 03:27:33,895 INFO L226 Difference]: Without dead ends: 136 [2022-02-24 03:27:33,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=160, Invalid=2702, Unknown=0, NotChecked=0, Total=2862 [2022-02-24 03:27:33,896 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 58 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 2531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:33,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 784 Invalid, 2531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-24 03:27:33,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-02-24 03:27:33,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2022-02-24 03:27:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 129 states have (on average 1.0077519379844961) internal successors, (130), 129 states have internal predecessors, (130), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2022-02-24 03:27:33,910 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 127 [2022-02-24 03:27:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:33,910 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2022-02-24 03:27:33,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.428571428571429) internal successors, (124), 27 states have internal predecessors, (124), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2022-02-24 03:27:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-24 03:27:33,911 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:33,912 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:33,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-24 03:27:33,912 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:33,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:33,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1947619179, now seen corresponding path program 24 times [2022-02-24 03:27:33,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:33,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156011181] [2022-02-24 03:27:33,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:33,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:33,916 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:34,446 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:34,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156011181] [2022-02-24 03:27:34,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1156011181] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:34,446 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:34,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-02-24 03:27:34,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417286075] [2022-02-24 03:27:34,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:34,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-24 03:27:34,447 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:34,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-24 03:27:34,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2022-02-24 03:27:34,448 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand has 29 states, 29 states have (on average 4.448275862068965) internal successors, (129), 28 states have internal predecessors, (129), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:36,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:36,008 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2022-02-24 03:27:36,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-24 03:27:36,009 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.448275862068965) internal successors, (129), 28 states have internal predecessors, (129), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-02-24 03:27:36,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:36,010 INFO L225 Difference]: With dead ends: 144 [2022-02-24 03:27:36,010 INFO L226 Difference]: Without dead ends: 141 [2022-02-24 03:27:36,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=2914, Unknown=0, NotChecked=0, Total=3080 [2022-02-24 03:27:36,011 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 60 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 2736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:36,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 841 Invalid, 2736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 2684 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-02-24 03:27:36,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-02-24 03:27:36,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138. [2022-02-24 03:27:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 134 states have (on average 1.007462686567164) internal successors, (135), 134 states have internal predecessors, (135), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2022-02-24 03:27:36,030 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 132 [2022-02-24 03:27:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:36,030 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2022-02-24 03:27:36,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.448275862068965) internal successors, (129), 28 states have internal predecessors, (129), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2022-02-24 03:27:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-02-24 03:27:36,032 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:36,032 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:36,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-24 03:27:36,032 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:36,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:36,032 INFO L85 PathProgramCache]: Analyzing trace with hash 951710387, now seen corresponding path program 25 times [2022-02-24 03:27:36,033 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:36,033 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601733324] [2022-02-24 03:27:36,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:36,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:36,038 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:36,581 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:36,582 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601733324] [2022-02-24 03:27:36,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [601733324] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:36,582 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:36,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-02-24 03:27:36,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303181781] [2022-02-24 03:27:36,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:36,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-24 03:27:36,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:36,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-24 03:27:36,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2022-02-24 03:27:36,583 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand has 30 states, 30 states have (on average 4.466666666666667) internal successors, (134), 29 states have internal predecessors, (134), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:38,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:38,132 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2022-02-24 03:27:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-24 03:27:38,133 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.466666666666667) internal successors, (134), 29 states have internal predecessors, (134), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 137 [2022-02-24 03:27:38,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:38,134 INFO L225 Difference]: With dead ends: 149 [2022-02-24 03:27:38,134 INFO L226 Difference]: Without dead ends: 146 [2022-02-24 03:27:38,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=172, Invalid=3134, Unknown=0, NotChecked=0, Total=3306 [2022-02-24 03:27:38,135 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 62 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 2895 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 2949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:38,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 900 Invalid, 2949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2895 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-02-24 03:27:38,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-02-24 03:27:38,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2022-02-24 03:27:38,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 139 states have (on average 1.0071942446043165) internal successors, (140), 139 states have internal predecessors, (140), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2022-02-24 03:27:38,149 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 137 [2022-02-24 03:27:38,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:38,149 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2022-02-24 03:27:38,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.466666666666667) internal successors, (134), 29 states have internal predecessors, (134), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2022-02-24 03:27:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-02-24 03:27:38,150 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:38,150 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:38,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-24 03:27:38,151 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:38,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:38,151 INFO L85 PathProgramCache]: Analyzing trace with hash -2101273493, now seen corresponding path program 26 times [2022-02-24 03:27:38,151 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:38,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748110753] [2022-02-24 03:27:38,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:38,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:38,155 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:38,703 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:38,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748110753] [2022-02-24 03:27:38,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [748110753] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:38,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:38,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-02-24 03:27:38,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602126713] [2022-02-24 03:27:38,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:38,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-24 03:27:38,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:38,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-24 03:27:38,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2022-02-24 03:27:38,705 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand has 31 states, 31 states have (on average 4.483870967741935) internal successors, (139), 30 states have internal predecessors, (139), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:40,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:40,470 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2022-02-24 03:27:40,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-24 03:27:40,471 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.483870967741935) internal successors, (139), 30 states have internal predecessors, (139), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 142 [2022-02-24 03:27:40,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:40,471 INFO L225 Difference]: With dead ends: 154 [2022-02-24 03:27:40,472 INFO L226 Difference]: Without dead ends: 151 [2022-02-24 03:27:40,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=178, Invalid=3362, Unknown=0, NotChecked=0, Total=3540 [2022-02-24 03:27:40,473 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 64 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 3114 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 3170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 3114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:40,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 961 Invalid, 3170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 3114 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-02-24 03:27:40,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-02-24 03:27:40,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2022-02-24 03:27:40,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 144 states have (on average 1.0069444444444444) internal successors, (145), 144 states have internal predecessors, (145), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2022-02-24 03:27:40,493 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 142 [2022-02-24 03:27:40,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:40,494 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2022-02-24 03:27:40,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.483870967741935) internal successors, (139), 30 states have internal predecessors, (139), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:40,494 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2022-02-24 03:27:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-24 03:27:40,495 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:40,495 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:40,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-24 03:27:40,496 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:40,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:40,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1782102605, now seen corresponding path program 27 times [2022-02-24 03:27:40,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:40,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190374270] [2022-02-24 03:27:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:40,504 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:41,085 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:41,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190374270] [2022-02-24 03:27:41,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [190374270] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:41,085 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:41,085 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-02-24 03:27:41,085 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840254074] [2022-02-24 03:27:41,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:41,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-24 03:27:41,086 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:41,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-24 03:27:41,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2022-02-24 03:27:41,087 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand has 32 states, 32 states have (on average 4.5) internal successors, (144), 31 states have internal predecessors, (144), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:42,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:42,893 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2022-02-24 03:27:42,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-24 03:27:42,893 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.5) internal successors, (144), 31 states have internal predecessors, (144), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 147 [2022-02-24 03:27:42,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:42,894 INFO L225 Difference]: With dead ends: 159 [2022-02-24 03:27:42,894 INFO L226 Difference]: Without dead ends: 156 [2022-02-24 03:27:42,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=184, Invalid=3598, Unknown=0, NotChecked=0, Total=3782 [2022-02-24 03:27:42,896 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 66 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 3341 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 3399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 3341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:42,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 1024 Invalid, 3399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 3341 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-02-24 03:27:42,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-02-24 03:27:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2022-02-24 03:27:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 149 states have (on average 1.0067114093959733) internal successors, (150), 149 states have internal predecessors, (150), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2022-02-24 03:27:42,913 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 147 [2022-02-24 03:27:42,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:42,914 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2022-02-24 03:27:42,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.5) internal successors, (144), 31 states have internal predecessors, (144), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:42,914 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2022-02-24 03:27:42,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-24 03:27:42,915 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:42,915 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:42,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-24 03:27:42,915 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:42,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:42,915 INFO L85 PathProgramCache]: Analyzing trace with hash -401626773, now seen corresponding path program 28 times [2022-02-24 03:27:42,916 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:42,916 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39326378] [2022-02-24 03:27:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:42,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:42,919 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:43,544 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:43,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39326378] [2022-02-24 03:27:43,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [39326378] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:43,544 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:43,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-02-24 03:27:43,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778281397] [2022-02-24 03:27:43,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:43,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-24 03:27:43,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:43,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-24 03:27:43,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2022-02-24 03:27:43,546 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand has 33 states, 33 states have (on average 4.515151515151516) internal successors, (149), 32 states have internal predecessors, (149), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:45,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:45,453 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2022-02-24 03:27:45,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-24 03:27:45,454 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.515151515151516) internal successors, (149), 32 states have internal predecessors, (149), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 152 [2022-02-24 03:27:45,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:45,454 INFO L225 Difference]: With dead ends: 164 [2022-02-24 03:27:45,455 INFO L226 Difference]: Without dead ends: 161 [2022-02-24 03:27:45,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=190, Invalid=3842, Unknown=0, NotChecked=0, Total=4032 [2022-02-24 03:27:45,456 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 68 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 3576 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 3576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:45,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 1089 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 3576 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-02-24 03:27:45,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-02-24 03:27:45,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 158. [2022-02-24 03:27:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 154 states have (on average 1.0064935064935066) internal successors, (155), 154 states have internal predecessors, (155), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2022-02-24 03:27:45,473 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 152 [2022-02-24 03:27:45,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:45,473 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2022-02-24 03:27:45,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.515151515151516) internal successors, (149), 32 states have internal predecessors, (149), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2022-02-24 03:27:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-02-24 03:27:45,474 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:45,474 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:45,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-24 03:27:45,475 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:45,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:45,475 INFO L85 PathProgramCache]: Analyzing trace with hash -326575949, now seen corresponding path program 29 times [2022-02-24 03:27:45,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:45,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819153640] [2022-02-24 03:27:45,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:45,479 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:46,155 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:46,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819153640] [2022-02-24 03:27:46,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1819153640] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:46,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:46,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2022-02-24 03:27:46,156 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263350439] [2022-02-24 03:27:46,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:46,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-24 03:27:46,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:46,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-24 03:27:46,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2022-02-24 03:27:46,157 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand has 34 states, 34 states have (on average 4.529411764705882) internal successors, (154), 33 states have internal predecessors, (154), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:48,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:48,169 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2022-02-24 03:27:48,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-24 03:27:48,169 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 4.529411764705882) internal successors, (154), 33 states have internal predecessors, (154), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 157 [2022-02-24 03:27:48,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:48,170 INFO L225 Difference]: With dead ends: 169 [2022-02-24 03:27:48,170 INFO L226 Difference]: Without dead ends: 166 [2022-02-24 03:27:48,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=196, Invalid=4094, Unknown=0, NotChecked=0, Total=4290 [2022-02-24 03:27:48,172 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 70 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 3819 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 3881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 3819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:48,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 1156 Invalid, 3881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 3819 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-02-24 03:27:48,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-02-24 03:27:48,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 163. [2022-02-24 03:27:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 159 states have (on average 1.0062893081761006) internal successors, (160), 159 states have internal predecessors, (160), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:48,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2022-02-24 03:27:48,191 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 157 [2022-02-24 03:27:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:48,191 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2022-02-24 03:27:48,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.529411764705882) internal successors, (154), 33 states have internal predecessors, (154), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2022-02-24 03:27:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-02-24 03:27:48,192 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:48,192 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:48,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-24 03:27:48,192 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:48,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:48,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2052191851, now seen corresponding path program 30 times [2022-02-24 03:27:48,193 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:48,193 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418252537] [2022-02-24 03:27:48,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:48,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:48,196 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:48,889 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:48,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418252537] [2022-02-24 03:27:48,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [418252537] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:48,889 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:48,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2022-02-24 03:27:48,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411197979] [2022-02-24 03:27:48,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:48,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-24 03:27:48,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:48,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-24 03:27:48,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2022-02-24 03:27:48,891 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand has 35 states, 35 states have (on average 4.542857142857143) internal successors, (159), 34 states have internal predecessors, (159), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:51,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:51,048 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2022-02-24 03:27:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-24 03:27:51,048 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 4.542857142857143) internal successors, (159), 34 states have internal predecessors, (159), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 162 [2022-02-24 03:27:51,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:51,049 INFO L225 Difference]: With dead ends: 174 [2022-02-24 03:27:51,049 INFO L226 Difference]: Without dead ends: 171 [2022-02-24 03:27:51,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=202, Invalid=4354, Unknown=0, NotChecked=0, Total=4556 [2022-02-24 03:27:51,051 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 72 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 4070 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 4134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 4070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:51,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 1225 Invalid, 4134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 4070 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-02-24 03:27:51,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-02-24 03:27:51,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2022-02-24 03:27:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 164 states have (on average 1.0060975609756098) internal successors, (165), 164 states have internal predecessors, (165), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2022-02-24 03:27:51,068 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 162 [2022-02-24 03:27:51,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:51,069 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2022-02-24 03:27:51,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.542857142857143) internal successors, (159), 34 states have internal predecessors, (159), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2022-02-24 03:27:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-02-24 03:27:51,070 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:51,070 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:51,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-24 03:27:51,070 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:51,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:51,071 INFO L85 PathProgramCache]: Analyzing trace with hash -659641421, now seen corresponding path program 31 times [2022-02-24 03:27:51,071 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:51,071 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725024185] [2022-02-24 03:27:51,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:51,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:51,075 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:51,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:51,738 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:51,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725024185] [2022-02-24 03:27:51,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [725024185] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:51,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:51,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2022-02-24 03:27:51,738 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378050875] [2022-02-24 03:27:51,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:51,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-02-24 03:27:51,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:51,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-02-24 03:27:51,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2022-02-24 03:27:51,739 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand has 36 states, 36 states have (on average 4.555555555555555) internal successors, (164), 35 states have internal predecessors, (164), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:53,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:53,994 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2022-02-24 03:27:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-24 03:27:53,994 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.555555555555555) internal successors, (164), 35 states have internal predecessors, (164), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 167 [2022-02-24 03:27:53,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:53,995 INFO L225 Difference]: With dead ends: 179 [2022-02-24 03:27:53,995 INFO L226 Difference]: Without dead ends: 176 [2022-02-24 03:27:53,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=208, Invalid=4622, Unknown=0, NotChecked=0, Total=4830 [2022-02-24 03:27:53,997 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 74 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 4329 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 4395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 4329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:53,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 1296 Invalid, 4395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 4329 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-02-24 03:27:53,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-02-24 03:27:54,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 173. [2022-02-24 03:27:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 169 states have (on average 1.0059171597633136) internal successors, (170), 169 states have internal predecessors, (170), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2022-02-24 03:27:54,023 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 167 [2022-02-24 03:27:54,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:54,024 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2022-02-24 03:27:54,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.555555555555555) internal successors, (164), 35 states have internal predecessors, (164), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2022-02-24 03:27:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-02-24 03:27:54,024 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:54,025 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:54,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-24 03:27:54,025 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:54,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:54,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1809318763, now seen corresponding path program 32 times [2022-02-24 03:27:54,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:54,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003351792] [2022-02-24 03:27:54,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:54,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:54,029 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:54,750 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:54,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003351792] [2022-02-24 03:27:54,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1003351792] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:54,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:54,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2022-02-24 03:27:54,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639831308] [2022-02-24 03:27:54,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:54,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-24 03:27:54,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:54,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-24 03:27:54,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2022-02-24 03:27:54,752 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand has 37 states, 37 states have (on average 4.5675675675675675) internal successors, (169), 36 states have internal predecessors, (169), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:57,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:27:57,191 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2022-02-24 03:27:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-24 03:27:57,191 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.5675675675675675) internal successors, (169), 36 states have internal predecessors, (169), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 172 [2022-02-24 03:27:57,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:27:57,192 INFO L225 Difference]: With dead ends: 184 [2022-02-24 03:27:57,192 INFO L226 Difference]: Without dead ends: 181 [2022-02-24 03:27:57,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=214, Invalid=4898, Unknown=0, NotChecked=0, Total=5112 [2022-02-24 03:27:57,194 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 76 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 4596 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 4664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-02-24 03:27:57,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 1369 Invalid, 4664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 4596 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-02-24 03:27:57,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-02-24 03:27:57,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 178. [2022-02-24 03:27:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 174 states have (on average 1.0057471264367817) internal successors, (175), 174 states have internal predecessors, (175), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2022-02-24 03:27:57,221 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 172 [2022-02-24 03:27:57,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:27:57,221 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2022-02-24 03:27:57,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.5675675675675675) internal successors, (169), 36 states have internal predecessors, (169), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:27:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2022-02-24 03:27:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-02-24 03:27:57,222 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:27:57,222 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:27:57,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-24 03:27:57,222 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:27:57,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:27:57,223 INFO L85 PathProgramCache]: Analyzing trace with hash 434683571, now seen corresponding path program 33 times [2022-02-24 03:27:57,223 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:27:57,223 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1728542903] [2022-02-24 03:27:57,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:27:57,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:27:57,227 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:27:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:27:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:27:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:27:57,992 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:27:57,992 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1728542903] [2022-02-24 03:27:57,992 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1728542903] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:27:57,992 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:27:57,992 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2022-02-24 03:27:57,992 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786476843] [2022-02-24 03:27:57,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:27:57,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-24 03:27:57,993 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:27:57,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-24 03:27:57,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2022-02-24 03:27:57,993 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand has 38 states, 38 states have (on average 4.578947368421052) internal successors, (174), 37 states have internal predecessors, (174), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:00,534 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2022-02-24 03:28:00,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-24 03:28:00,534 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 4.578947368421052) internal successors, (174), 37 states have internal predecessors, (174), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 177 [2022-02-24 03:28:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:00,535 INFO L225 Difference]: With dead ends: 189 [2022-02-24 03:28:00,535 INFO L226 Difference]: Without dead ends: 186 [2022-02-24 03:28:00,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=220, Invalid=5182, Unknown=0, NotChecked=0, Total=5402 [2022-02-24 03:28:00,536 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 78 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 4871 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 4941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 4871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:00,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 1444 Invalid, 4941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 4871 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-02-24 03:28:00,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-02-24 03:28:00,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-02-24 03:28:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 179 states have (on average 1.005586592178771) internal successors, (180), 179 states have internal predecessors, (180), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2022-02-24 03:28:00,565 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 177 [2022-02-24 03:28:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:00,565 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2022-02-24 03:28:00,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.578947368421052) internal successors, (174), 37 states have internal predecessors, (174), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2022-02-24 03:28:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-02-24 03:28:00,566 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:00,566 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:00,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-24 03:28:00,567 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:00,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1257361515, now seen corresponding path program 34 times [2022-02-24 03:28:00,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:00,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852187879] [2022-02-24 03:28:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:00,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:00,571 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:01,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:01,382 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:01,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852187879] [2022-02-24 03:28:01,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [852187879] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:01,382 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:01,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2022-02-24 03:28:01,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44822584] [2022-02-24 03:28:01,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:01,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-24 03:28:01,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:01,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-24 03:28:01,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2022-02-24 03:28:01,383 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand has 39 states, 39 states have (on average 4.589743589743589) internal successors, (179), 38 states have internal predecessors, (179), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:04,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:04,134 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2022-02-24 03:28:04,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-24 03:28:04,134 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.589743589743589) internal successors, (179), 38 states have internal predecessors, (179), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 182 [2022-02-24 03:28:04,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:04,138 INFO L225 Difference]: With dead ends: 194 [2022-02-24 03:28:04,138 INFO L226 Difference]: Without dead ends: 191 [2022-02-24 03:28:04,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=226, Invalid=5474, Unknown=0, NotChecked=0, Total=5700 [2022-02-24 03:28:04,140 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 80 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 5154 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 5154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:04,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 1521 Invalid, 5226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 5154 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-02-24 03:28:04,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-02-24 03:28:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 188. [2022-02-24 03:28:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 184 states have (on average 1.0054347826086956) internal successors, (185), 184 states have internal predecessors, (185), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2022-02-24 03:28:04,175 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 182 [2022-02-24 03:28:04,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:04,176 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2022-02-24 03:28:04,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.589743589743589) internal successors, (179), 38 states have internal predecessors, (179), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2022-02-24 03:28:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-02-24 03:28:04,177 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:04,177 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:04,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-24 03:28:04,177 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:04,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:04,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1813573197, now seen corresponding path program 35 times [2022-02-24 03:28:04,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:04,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494964790] [2022-02-24 03:28:04,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:04,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:04,181 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:04,985 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:04,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494964790] [2022-02-24 03:28:04,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1494964790] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:04,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:04,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2022-02-24 03:28:04,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836811545] [2022-02-24 03:28:04,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:04,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-24 03:28:04,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:04,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-24 03:28:04,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2022-02-24 03:28:04,986 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand has 40 states, 40 states have (on average 4.6) internal successors, (184), 39 states have internal predecessors, (184), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:07,772 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2022-02-24 03:28:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-24 03:28:07,773 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.6) internal successors, (184), 39 states have internal predecessors, (184), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 187 [2022-02-24 03:28:07,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:07,774 INFO L225 Difference]: With dead ends: 199 [2022-02-24 03:28:07,774 INFO L226 Difference]: Without dead ends: 196 [2022-02-24 03:28:07,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=232, Invalid=5774, Unknown=0, NotChecked=0, Total=6006 [2022-02-24 03:28:07,775 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 82 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 5445 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 5519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 5445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:07,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 1600 Invalid, 5519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 5445 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-02-24 03:28:07,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-02-24 03:28:07,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2022-02-24 03:28:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 189 states have (on average 1.0052910052910053) internal successors, (190), 189 states have internal predecessors, (190), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2022-02-24 03:28:07,806 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 187 [2022-02-24 03:28:07,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:07,806 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2022-02-24 03:28:07,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.6) internal successors, (184), 39 states have internal predecessors, (184), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2022-02-24 03:28:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-02-24 03:28:07,807 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:07,807 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:07,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-24 03:28:07,807 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:07,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:07,808 INFO L85 PathProgramCache]: Analyzing trace with hash 32464235, now seen corresponding path program 36 times [2022-02-24 03:28:07,808 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:07,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405248003] [2022-02-24 03:28:07,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:07,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:07,812 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:08,665 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:08,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405248003] [2022-02-24 03:28:08,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [405248003] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:08,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:08,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2022-02-24 03:28:08,666 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557967819] [2022-02-24 03:28:08,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:08,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-24 03:28:08,667 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:08,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-24 03:28:08,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2022-02-24 03:28:08,669 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand has 41 states, 41 states have (on average 4.609756097560975) internal successors, (189), 40 states have internal predecessors, (189), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:11,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:11,547 INFO L93 Difference]: Finished difference Result 204 states and 204 transitions. [2022-02-24 03:28:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-24 03:28:11,547 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 4.609756097560975) internal successors, (189), 40 states have internal predecessors, (189), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 192 [2022-02-24 03:28:11,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:11,548 INFO L225 Difference]: With dead ends: 204 [2022-02-24 03:28:11,548 INFO L226 Difference]: Without dead ends: 201 [2022-02-24 03:28:11,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=238, Invalid=6082, Unknown=0, NotChecked=0, Total=6320 [2022-02-24 03:28:11,549 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 84 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 5744 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 5820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 5744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:11,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 1681 Invalid, 5820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 5744 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-02-24 03:28:11,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-02-24 03:28:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2022-02-24 03:28:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 194 states have (on average 1.0051546391752577) internal successors, (195), 194 states have internal predecessors, (195), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2022-02-24 03:28:11,581 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 192 [2022-02-24 03:28:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:11,581 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2022-02-24 03:28:11,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 4.609756097560975) internal successors, (189), 40 states have internal predecessors, (189), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2022-02-24 03:28:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-02-24 03:28:11,582 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:11,582 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:11,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-24 03:28:11,583 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:11,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:11,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1314497715, now seen corresponding path program 37 times [2022-02-24 03:28:11,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:11,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279497644] [2022-02-24 03:28:11,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:11,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:11,587 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:12,572 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:12,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279497644] [2022-02-24 03:28:12,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [279497644] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:12,572 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:12,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2022-02-24 03:28:12,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424695089] [2022-02-24 03:28:12,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:12,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-24 03:28:12,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:12,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-24 03:28:12,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2022-02-24 03:28:12,573 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand has 42 states, 42 states have (on average 4.619047619047619) internal successors, (194), 41 states have internal predecessors, (194), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:15,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:15,670 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2022-02-24 03:28:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-24 03:28:15,670 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.619047619047619) internal successors, (194), 41 states have internal predecessors, (194), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 197 [2022-02-24 03:28:15,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:15,671 INFO L225 Difference]: With dead ends: 209 [2022-02-24 03:28:15,671 INFO L226 Difference]: Without dead ends: 206 [2022-02-24 03:28:15,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=244, Invalid=6398, Unknown=0, NotChecked=0, Total=6642 [2022-02-24 03:28:15,672 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 86 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 6051 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 6129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 6051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:15,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 1764 Invalid, 6129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 6051 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-24 03:28:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-02-24 03:28:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2022-02-24 03:28:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 199 states have (on average 1.0050251256281406) internal successors, (200), 199 states have internal predecessors, (200), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2022-02-24 03:28:15,705 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 197 [2022-02-24 03:28:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:15,706 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2022-02-24 03:28:15,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.619047619047619) internal successors, (194), 41 states have internal predecessors, (194), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2022-02-24 03:28:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-02-24 03:28:15,707 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:15,707 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:15,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-24 03:28:15,707 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:15,707 INFO L85 PathProgramCache]: Analyzing trace with hash -685725077, now seen corresponding path program 38 times [2022-02-24 03:28:15,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:15,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672816784] [2022-02-24 03:28:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:15,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:15,712 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:16,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:16,693 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:16,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672816784] [2022-02-24 03:28:16,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1672816784] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:16,693 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:16,693 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-02-24 03:28:16,693 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920209237] [2022-02-24 03:28:16,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:16,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-24 03:28:16,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-24 03:28:16,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2022-02-24 03:28:16,694 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand has 43 states, 43 states have (on average 4.627906976744186) internal successors, (199), 42 states have internal predecessors, (199), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:19,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:19,844 INFO L93 Difference]: Finished difference Result 214 states and 214 transitions. [2022-02-24 03:28:19,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-24 03:28:19,844 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 4.627906976744186) internal successors, (199), 42 states have internal predecessors, (199), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 202 [2022-02-24 03:28:19,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:19,845 INFO L225 Difference]: With dead ends: 214 [2022-02-24 03:28:19,845 INFO L226 Difference]: Without dead ends: 211 [2022-02-24 03:28:19,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=250, Invalid=6722, Unknown=0, NotChecked=0, Total=6972 [2022-02-24 03:28:19,847 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 88 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 6366 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 6446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 6366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:19,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 1849 Invalid, 6446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 6366 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-24 03:28:19,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-02-24 03:28:19,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2022-02-24 03:28:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 204 states have (on average 1.0049019607843137) internal successors, (205), 204 states have internal predecessors, (205), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 208 transitions. [2022-02-24 03:28:19,882 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 208 transitions. Word has length 202 [2022-02-24 03:28:19,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:19,883 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 208 transitions. [2022-02-24 03:28:19,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.627906976744186) internal successors, (199), 42 states have internal predecessors, (199), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 208 transitions. [2022-02-24 03:28:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-02-24 03:28:19,884 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:19,884 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:19,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-24 03:28:19,884 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:19,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:19,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1961916339, now seen corresponding path program 39 times [2022-02-24 03:28:19,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:19,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860431267] [2022-02-24 03:28:19,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:19,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:19,889 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:20,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:20,890 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:20,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860431267] [2022-02-24 03:28:20,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1860431267] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:20,890 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:20,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-02-24 03:28:20,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081755247] [2022-02-24 03:28:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:20,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-24 03:28:20,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-24 03:28:20,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2022-02-24 03:28:20,891 INFO L87 Difference]: Start difference. First operand 208 states and 208 transitions. Second operand has 44 states, 44 states have (on average 4.636363636363637) internal successors, (204), 43 states have internal predecessors, (204), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:24,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:24,171 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2022-02-24 03:28:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-24 03:28:24,172 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 4.636363636363637) internal successors, (204), 43 states have internal predecessors, (204), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 207 [2022-02-24 03:28:24,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:24,173 INFO L225 Difference]: With dead ends: 219 [2022-02-24 03:28:24,173 INFO L226 Difference]: Without dead ends: 216 [2022-02-24 03:28:24,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=256, Invalid=7054, Unknown=0, NotChecked=0, Total=7310 [2022-02-24 03:28:24,174 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 90 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 6689 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 6771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 6689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:24,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 1936 Invalid, 6771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 6689 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-02-24 03:28:24,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-02-24 03:28:24,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 213. [2022-02-24 03:28:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 209 states have (on average 1.0047846889952152) internal successors, (210), 209 states have internal predecessors, (210), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2022-02-24 03:28:24,209 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 207 [2022-02-24 03:28:24,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:24,209 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2022-02-24 03:28:24,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.636363636363637) internal successors, (204), 43 states have internal predecessors, (204), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2022-02-24 03:28:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-02-24 03:28:24,210 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:24,210 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:24,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-24 03:28:24,211 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:24,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:24,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1825945451, now seen corresponding path program 40 times [2022-02-24 03:28:24,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:24,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046778676] [2022-02-24 03:28:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:24,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:24,215 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:25,180 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:25,180 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046778676] [2022-02-24 03:28:25,180 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1046778676] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:25,181 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:25,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2022-02-24 03:28:25,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064080513] [2022-02-24 03:28:25,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:25,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-24 03:28:25,181 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:25,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-24 03:28:25,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2022-02-24 03:28:25,182 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand has 45 states, 45 states have (on average 4.644444444444445) internal successors, (209), 44 states have internal predecessors, (209), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:28,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:28,584 INFO L93 Difference]: Finished difference Result 224 states and 224 transitions. [2022-02-24 03:28:28,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-24 03:28:28,584 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.644444444444445) internal successors, (209), 44 states have internal predecessors, (209), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 212 [2022-02-24 03:28:28,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:28,585 INFO L225 Difference]: With dead ends: 224 [2022-02-24 03:28:28,585 INFO L226 Difference]: Without dead ends: 221 [2022-02-24 03:28:28,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=262, Invalid=7394, Unknown=0, NotChecked=0, Total=7656 [2022-02-24 03:28:28,587 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 92 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 7020 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 2025 SdHoareTripleChecker+Invalid, 7104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 7020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:28,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 2025 Invalid, 7104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 7020 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-24 03:28:28,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-02-24 03:28:28,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2022-02-24 03:28:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 214 states have (on average 1.0046728971962617) internal successors, (215), 214 states have internal predecessors, (215), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 218 transitions. [2022-02-24 03:28:28,620 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 218 transitions. Word has length 212 [2022-02-24 03:28:28,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:28,621 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 218 transitions. [2022-02-24 03:28:28,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.644444444444445) internal successors, (209), 44 states have internal predecessors, (209), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 218 transitions. [2022-02-24 03:28:28,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-02-24 03:28:28,622 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:28,622 INFO L514 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:28,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-24 03:28:28,622 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:28,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:28,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1465617075, now seen corresponding path program 41 times [2022-02-24 03:28:28,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:28,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124035501] [2022-02-24 03:28:28,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:28,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:28,627 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:29,740 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:29,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124035501] [2022-02-24 03:28:29,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [124035501] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:29,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:29,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2022-02-24 03:28:29,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141879397] [2022-02-24 03:28:29,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:29,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-02-24 03:28:29,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:29,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-02-24 03:28:29,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2022-02-24 03:28:29,741 INFO L87 Difference]: Start difference. First operand 218 states and 218 transitions. Second operand has 46 states, 46 states have (on average 4.6521739130434785) internal successors, (214), 45 states have internal predecessors, (214), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:33,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:33,333 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2022-02-24 03:28:33,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-24 03:28:33,334 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 4.6521739130434785) internal successors, (214), 45 states have internal predecessors, (214), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 217 [2022-02-24 03:28:33,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:33,335 INFO L225 Difference]: With dead ends: 229 [2022-02-24 03:28:33,335 INFO L226 Difference]: Without dead ends: 226 [2022-02-24 03:28:33,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=268, Invalid=7742, Unknown=0, NotChecked=0, Total=8010 [2022-02-24 03:28:33,336 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 94 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 7359 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 7445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 7359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:33,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 2116 Invalid, 7445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 7359 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-02-24 03:28:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-02-24 03:28:33,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2022-02-24 03:28:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 219 states have (on average 1.004566210045662) internal successors, (220), 219 states have internal predecessors, (220), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2022-02-24 03:28:33,365 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 217 [2022-02-24 03:28:33,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:33,365 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2022-02-24 03:28:33,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.6521739130434785) internal successors, (214), 45 states have internal predecessors, (214), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2022-02-24 03:28:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-02-24 03:28:33,366 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:28:33,366 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:28:33,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-24 03:28:33,367 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:28:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:28:33,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1050770325, now seen corresponding path program 42 times [2022-02-24 03:28:33,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:28:33,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140229378] [2022-02-24 03:28:33,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:28:33,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:28:33,372 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:28:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:28:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:28:35,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:28:35,329 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:28:35,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140229378] [2022-02-24 03:28:35,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2140229378] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:28:35,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:28:35,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2022-02-24 03:28:35,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537720334] [2022-02-24 03:28:35,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:28:35,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-24 03:28:35,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:28:35,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-24 03:28:35,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=2162, Unknown=0, NotChecked=0, Total=2256 [2022-02-24 03:28:35,331 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand has 48 states, 48 states have (on average 4.5625) internal successors, (219), 47 states have internal predecessors, (219), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:38,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:28:38,147 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2022-02-24 03:28:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-24 03:28:38,147 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.5625) internal successors, (219), 47 states have internal predecessors, (219), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 222 [2022-02-24 03:28:38,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:28:38,148 INFO L225 Difference]: With dead ends: 225 [2022-02-24 03:28:38,148 INFO L226 Difference]: Without dead ends: 0 [2022-02-24 03:28:38,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=110, Invalid=2440, Unknown=0, NotChecked=0, Total=2550 [2022-02-24 03:28:38,149 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 10 mSDsluCounter, 3706 mSDsCounter, 0 mSdLazyCounter, 5921 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3796 SdHoareTripleChecker+Invalid, 5923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-24 03:28:38,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 3796 Invalid, 5923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5921 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-24 03:28:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-24 03:28:38,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-24 03:28:38,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-24 03:28:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-24 03:28:38,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2022-02-24 03:28:38,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:28:38,150 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-24 03:28:38,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.5625) internal successors, (219), 47 states have internal predecessors, (219), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 03:28:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-24 03:28:38,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-24 03:28:38,152 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-24 03:28:38,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-24 03:28:38,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-24 03:28:44,248 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2022-02-24 03:28:44,249 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2022-02-24 03:28:44,249 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2022-02-24 03:28:44,249 INFO L854 garLoopResultBuilder]: At program point L161(lines 161 236) the Hoare annotation is: (or (not (= |old(~Id_MCDC_93~0)| 0)) (= ~Id_MCDC_93~0 0)) [2022-02-24 03:28:44,249 INFO L854 garLoopResultBuilder]: At program point L190(lines 190 208) the Hoare annotation is: (let ((.cse2 (div ~Id_MCDC_93~0 4294967296))) (let ((.cse3 (+ .cse2 1))) (let ((.cse0 (< 0 .cse3)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and (<= ~Id_MCDC_93~0 4) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 3) (<= 3 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= 8 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 8) .cse1 (<= ~Id_MCDC_93~0 9)) (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) (<= ~Id_MCDC_93~0 28) .cse1) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (and (<= ~Id_MCDC_93~0 23) (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) .cse1) (and (<= ~Id_MCDC_93~0 34) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 40) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (= |old(~Id_MCDC_93~0)| 0)) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) (<= ~Id_MCDC_93~0 14) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) .cse1 (<= ~Id_MCDC_93~0 18)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 7) .cse1) (and (<= ~Id_MCDC_93~0 37) (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= ~Id_MCDC_93~0 32) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (= ~Id_MCDC_93~0 (+ (* 4294967296 .cse2) 41)) (<= .cse2 0) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 16) .cse0 (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 22) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= 5 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 6) (<= main_~Id_MCDC_89__Id_MCDC_96~0 5) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 21) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) .cse0 (<= ~Id_MCDC_93~0 2) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) (<= ~Id_MCDC_93~0 39) .cse1) (and (<= ~Id_MCDC_93~0 41) (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (not (<= .cse3 0)) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= ~Id_MCDC_93~0 26) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 5) .cse1) (and (<= ~Id_MCDC_93~0 33) .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) .cse0 (<= ~Id_MCDC_93~0 35) (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 3) (<= main_~Id_MCDC_89__Id_MCDC_96~0 2) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (and .cse0 (<= ~Id_MCDC_93~0 1) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) .cse1) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 8) (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) .cse1) (and (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) (<= ~Id_MCDC_93~0 10) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 36) .cse1) (and .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 15) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= ~Id_MCDC_93~0 12) .cse0 (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1))))) [2022-02-24 03:28:44,249 INFO L854 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: (not (= |old(~Id_MCDC_93~0)| 0)) [2022-02-24 03:28:44,249 INFO L854 garLoopResultBuilder]: At program point L219(lines 219 227) the Hoare annotation is: (not (= |old(~Id_MCDC_93~0)| 0)) [2022-02-24 03:28:44,249 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 133 237) the Hoare annotation is: true [2022-02-24 03:28:44,249 INFO L854 garLoopResultBuilder]: At program point L182(lines 182 229) the Hoare annotation is: (let ((.cse2 (div ~Id_MCDC_93~0 4294967296))) (let ((.cse3 (+ .cse2 1))) (let ((.cse0 (< 0 .cse3)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and (<= ~Id_MCDC_93~0 33) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= 5 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 5) (<= main_~Id_MCDC_89__Id_MCDC_96~0 5) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 26) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (not (= |old(~Id_MCDC_93~0)| 0)) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 14) .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) (<= ~Id_MCDC_93~0 7) .cse1) (and (= ~Id_MCDC_93~0 (+ (* 4294967296 .cse2) 41)) (<= .cse2 0) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) (not (<= .cse3 0)) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) .cse1) (and (<= ~Id_MCDC_93~0 10) .cse0 (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) .cse1) (and (= ~Id_MCDC_93~0 0) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 28) .cse1) (and .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 32) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 21) (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= ~Id_MCDC_93~0 37) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1 (<= ~Id_MCDC_93~0 18)) (and (<= ~Id_MCDC_93~0 4) (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 39) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= ~Id_MCDC_93~0 12) (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 23) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 .cse1) (and .cse0 (<= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 2) (<= main_~Id_MCDC_89__Id_MCDC_96~0 2) .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) .cse0 (<= ~Id_MCDC_93~0 1) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) (<= ~Id_MCDC_93~0 34) .cse0 (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 8) (<= 8 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 8) .cse1) (and (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) (<= ~Id_MCDC_93~0 22) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 35) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= ~Id_MCDC_93~0 36) (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 3) (<= 3 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 3) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 9)) (and (<= ~Id_MCDC_93~0 16) (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= ~Id_MCDC_93~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 15) (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 40) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40)))))) [2022-02-24 03:28:44,250 INFO L854 garLoopResultBuilder]: At program point L180(lines 180 234) the Hoare annotation is: (let ((.cse2 (div ~Id_MCDC_93~0 4294967296))) (let ((.cse3 (+ .cse2 1))) (let ((.cse0 (< 0 .cse3)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and (<= ~Id_MCDC_93~0 33) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= 5 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 5) (<= main_~Id_MCDC_89__Id_MCDC_96~0 5) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 26) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (not (= |old(~Id_MCDC_93~0)| 0)) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 14) .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) (<= ~Id_MCDC_93~0 7) .cse1) (and (= ~Id_MCDC_93~0 (+ (* 4294967296 .cse2) 41)) (<= .cse2 0) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) (not (<= .cse3 0)) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) .cse1) (and (<= ~Id_MCDC_93~0 10) .cse0 (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) .cse1) (and (= ~Id_MCDC_93~0 0) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 28) .cse1) (and .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 32) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 21) (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= ~Id_MCDC_93~0 37) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1 (<= ~Id_MCDC_93~0 18)) (and (<= ~Id_MCDC_93~0 4) (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 39) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= ~Id_MCDC_93~0 12) (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 23) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 .cse1) (and .cse0 (<= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 2) (<= main_~Id_MCDC_89__Id_MCDC_96~0 2) .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) .cse0 (<= ~Id_MCDC_93~0 1) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) (<= ~Id_MCDC_93~0 34) .cse0 (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 8) (<= 8 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 8) .cse1) (and (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) (<= ~Id_MCDC_93~0 22) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 35) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= ~Id_MCDC_93~0 36) (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 3) (<= 3 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 3) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 9)) (and (<= ~Id_MCDC_93~0 16) (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= ~Id_MCDC_93~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 15) (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 40) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40)))))) [2022-02-24 03:28:44,250 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 133 237) the Hoare annotation is: true [2022-02-24 03:28:44,250 INFO L854 garLoopResultBuilder]: At program point L197(lines 197 207) the Hoare annotation is: (let ((.cse2 (div ~Id_MCDC_93~0 4294967296))) (let ((.cse3 (+ .cse2 1))) (let ((.cse0 (< 0 .cse3)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and (<= ~Id_MCDC_93~0 4) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 3) (<= 3 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= 8 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 8) .cse1 (<= ~Id_MCDC_93~0 9)) (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) (<= ~Id_MCDC_93~0 28) .cse1) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (and (<= ~Id_MCDC_93~0 23) (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) .cse1) (and (<= ~Id_MCDC_93~0 34) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 40) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (= |old(~Id_MCDC_93~0)| 0)) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) (<= ~Id_MCDC_93~0 14) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) .cse1 (<= ~Id_MCDC_93~0 18)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 7) .cse1) (and (<= ~Id_MCDC_93~0 37) (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= ~Id_MCDC_93~0 32) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (= ~Id_MCDC_93~0 (+ (* 4294967296 .cse2) 41)) (<= .cse2 0) (= |main_#t~mem46| 0) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) .cse1) (and (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 16) .cse0 (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 22) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= 5 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 6) (<= main_~Id_MCDC_89__Id_MCDC_96~0 5) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 21) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) .cse0 (<= ~Id_MCDC_93~0 2) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) (<= ~Id_MCDC_93~0 39) .cse1) (and (<= ~Id_MCDC_93~0 41) (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (not (<= .cse3 0)) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= ~Id_MCDC_93~0 26) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 5) .cse1) (and (<= ~Id_MCDC_93~0 33) .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) .cse0 (<= ~Id_MCDC_93~0 35) (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 3) (<= main_~Id_MCDC_89__Id_MCDC_96~0 2) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (and .cse0 (<= ~Id_MCDC_93~0 1) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) .cse1) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 8) (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) .cse1) (and (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) (<= ~Id_MCDC_93~0 10) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 36) .cse1) (and .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 15) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= ~Id_MCDC_93~0 12) .cse0 (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1))))) [2022-02-24 03:28:44,250 INFO L854 garLoopResultBuilder]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 221) the Hoare annotation is: (not (= |old(~Id_MCDC_93~0)| 0)) [2022-02-24 03:28:44,250 INFO L854 garLoopResultBuilder]: At program point mainENTRY(lines 133 237) the Hoare annotation is: (or (not (= |old(~Id_MCDC_93~0)| 0)) (= ~Id_MCDC_93~0 0)) [2022-02-24 03:28:44,250 INFO L854 garLoopResultBuilder]: At program point L202(lines 167 235) the Hoare annotation is: (let ((.cse2 (+ (div ~Id_MCDC_93~0 4294967296) 1))) (let ((.cse0 (< 0 .cse2)) (.cse1 (= (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0))) (or (and (<= ~Id_MCDC_93~0 33) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 33) (<= 33 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= 5 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 5) (<= main_~Id_MCDC_89__Id_MCDC_96~0 5) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 30) (<= main_~Id_MCDC_89__Id_MCDC_96~0 30) .cse1 (<= 30 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= 26 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= ~Id_MCDC_93~0 26) (<= main_~Id_MCDC_89__Id_MCDC_96~0 26) .cse1) (not (= |old(~Id_MCDC_93~0)| 0)) (and (<= 17 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 17) (<= ~Id_MCDC_93~0 17) .cse1) (and (<= ~Id_MCDC_93~0 14) .cse0 (<= 14 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 14) .cse1) (and (<= 7 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 7) (<= ~Id_MCDC_93~0 7) .cse1) (and (<= ~Id_MCDC_93~0 38) .cse0 (<= 38 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 38) .cse1) (and (<= ~Id_MCDC_93~0 10) .cse0 (<= 10 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 10) .cse1) (and .cse0 (<= 27 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 27) (<= main_~Id_MCDC_89__Id_MCDC_96~0 27) .cse1) (and (= ~Id_MCDC_93~0 0) (= main_~Id_MCDC_89__Id_MCDC_96~0 0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 28) .cse0 (<= 28 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 28) .cse1) (and .cse0 (<= 32 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 32) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 32)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 25) (<= 25 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 25) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 20) (<= 20 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 20) .cse0 .cse1) (and .cse0 (<= ~Id_MCDC_93~0 21) (<= 21 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 21) .cse1) (and (<= ~Id_MCDC_93~0 37) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 37) .cse1 (<= 37 main_~Id_MCDC_89__Id_MCDC_96~0)) (and .cse0 (<= 24 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 24) (<= ~Id_MCDC_93~0 24) .cse1) (and (<= 18 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 18) .cse1 (<= ~Id_MCDC_93~0 18)) (and (<= ~Id_MCDC_93~0 4) (<= main_~Id_MCDC_89__Id_MCDC_96~0 4) (<= 4 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 29) (<= 29 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (<= ~Id_MCDC_93~0 29)) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 39) (<= ~Id_MCDC_93~0 39) .cse1 (<= 39 main_~Id_MCDC_89__Id_MCDC_96~0)) (and (<= ~Id_MCDC_93~0 41) (<= 41 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 41) (not (<= .cse2 0)) .cse1) (and (<= ~Id_MCDC_93~0 12) (<= 12 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 12) .cse1) (and (<= 23 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 23) (<= main_~Id_MCDC_89__Id_MCDC_96~0 23) .cse0 .cse1) (and .cse0 (<= 2 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 2) (<= main_~Id_MCDC_89__Id_MCDC_96~0 2) .cse1) (and (<= ~Id_MCDC_93~0 31) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 31) (<= 31 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) .cse0 (<= ~Id_MCDC_93~0 1) (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 34) (<= ~Id_MCDC_93~0 34) .cse0 (<= 34 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 8) (<= 8 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 8) .cse1) (and (<= 22 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 22) (<= ~Id_MCDC_93~0 22) .cse1) (and (<= 35 main_~Id_MCDC_89__Id_MCDC_96~0) .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 35) (<= ~Id_MCDC_93~0 35) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 11) (<= 11 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 11) .cse1) (and (<= 19 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 19) (<= main_~Id_MCDC_89__Id_MCDC_96~0 19) .cse0 .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 13) .cse0 (<= 13 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 13) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 36) .cse0 (<= ~Id_MCDC_93~0 36) (<= 36 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 3) (<= 3 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 3) .cse1) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) .cse0 .cse1 (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 9)) (and (<= ~Id_MCDC_93~0 16) (<= 16 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 16) .cse0 .cse1) (and .cse0 (<= main_~Id_MCDC_89__Id_MCDC_96~0 6) (<= ~Id_MCDC_93~0 6) (<= 6 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1) (and .cse0 (<= ~Id_MCDC_93~0 15) (<= 15 main_~Id_MCDC_89__Id_MCDC_96~0) (<= main_~Id_MCDC_89__Id_MCDC_96~0 15) .cse1) (and .cse0 (<= 40 main_~Id_MCDC_89__Id_MCDC_96~0) (<= ~Id_MCDC_93~0 40) .cse1 (<= main_~Id_MCDC_89__Id_MCDC_96~0 40))))) [2022-02-24 03:28:44,250 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: (= ~Id_MCDC_93~0 0) [2022-02-24 03:28:44,250 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-02-24 03:28:44,251 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (= ~Id_MCDC_93~0 0) [2022-02-24 03:28:44,251 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-02-24 03:28:44,251 INFO L854 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (= ~Id_MCDC_93~0 0) [2022-02-24 03:28:44,251 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-02-24 03:28:44,251 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-02-24 03:28:44,254 INFO L732 BasicCegarLoop]: Path program histogram: [42, 1] [2022-02-24 03:28:44,255 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-24 03:28:44,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:28:44 BoogieIcfgContainer [2022-02-24 03:28:44,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-24 03:28:44,287 INFO L158 Benchmark]: Toolchain (without parser) took 95928.34ms. Allocated memory was 175.1MB in the beginning and 380.6MB in the end (delta: 205.5MB). Free memory was 124.3MB in the beginning and 271.2MB in the end (delta: -146.9MB). Peak memory consumption was 205.6MB. Max. memory is 8.0GB. [2022-02-24 03:28:44,287 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 03:28:44,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.58ms. Allocated memory was 175.1MB in the beginning and 213.9MB in the end (delta: 38.8MB). Free memory was 124.1MB in the beginning and 183.9MB in the end (delta: -59.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-24 03:28:44,287 INFO L158 Benchmark]: Boogie Preprocessor took 63.79ms. Allocated memory is still 213.9MB. Free memory was 183.9MB in the beginning and 180.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-24 03:28:44,288 INFO L158 Benchmark]: RCFGBuilder took 701.28ms. Allocated memory is still 213.9MB. Free memory was 180.7MB in the beginning and 102.6MB in the end (delta: 78.2MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. [2022-02-24 03:28:44,288 INFO L158 Benchmark]: TraceAbstraction took 94741.37ms. Allocated memory was 213.9MB in the beginning and 380.6MB in the end (delta: 166.7MB). Free memory was 102.1MB in the beginning and 271.2MB in the end (delta: -169.1MB). Peak memory consumption was 146.1MB. Max. memory is 8.0GB. [2022-02-24 03:28:44,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.58ms. Allocated memory was 175.1MB in the beginning and 213.9MB in the end (delta: 38.8MB). Free memory was 124.1MB in the beginning and 183.9MB in the end (delta: -59.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.79ms. Allocated memory is still 213.9MB. Free memory was 183.9MB in the beginning and 180.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 701.28ms. Allocated memory is still 213.9MB. Free memory was 180.7MB in the beginning and 102.6MB in the end (delta: 78.2MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. * TraceAbstraction took 94741.37ms. Allocated memory was 213.9MB in the beginning and 380.6MB in the end (delta: 166.7MB). Free memory was 102.1MB in the beginning and 271.2MB in the end (delta: -169.1MB). Peak memory consumption was 146.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 221]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 94.7s, OverallIterations: 43, TraceHistogramMax: 43, PathProgramHistogramMax: 42, EmptinessCheckTime: 0.1s, AutomataDifference: 64.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2251 SdHoareTripleChecker+Valid, 44.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2251 mSDsluCounter, 37295 SdHoareTripleChecker+Invalid, 36.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35878 mSDsCounter, 1895 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114976 IncrementalHoareTripleChecker+Invalid, 116871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1895 mSolverCounterUnsat, 1417 mSDtfsCounter, 114976 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2152 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2022 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14150 ImplicationChecksByTransitivity, 32.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=42, InterpolantAutomatonStates: 1202, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 43 MinimizatonAttempts, 126 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 239 NumberOfFragments, 5542 HoareAnnotationTreeSize, 19 FomulaSimplifications, 13496 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 19 FomulaSimplificationsInter, 1795 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((Id_MCDC_93 <= 33 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 33) && 33 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) || ((((5 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 <= 5) && Id_MCDC_89__Id_MCDC_96 <= 5) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 30) && Id_MCDC_89__Id_MCDC_96 <= 30) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && 30 <= Id_MCDC_89__Id_MCDC_96)) || ((((26 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 <= 26) && Id_MCDC_89__Id_MCDC_96 <= 26) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || !(\old(Id_MCDC_93) == 0)) || ((((17 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 17) && Id_MCDC_93 <= 17) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 14 && 0 < Id_MCDC_93 / 4294967296 + 1) && 14 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 14) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((7 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 7) && Id_MCDC_93 <= 7) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 38 && 0 < Id_MCDC_93 / 4294967296 + 1) && 38 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 38) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 10 && 0 < Id_MCDC_93 / 4294967296 + 1) && 10 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 10) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 27 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 27) && Id_MCDC_89__Id_MCDC_96 <= 27) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((Id_MCDC_93 == 0 && Id_MCDC_89__Id_MCDC_96 == 0) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 28 && 0 < Id_MCDC_93 / 4294967296 + 1) && 28 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 28) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 32 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 32) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_89__Id_MCDC_96 <= 32)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 25) && 25 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 25) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 20 && 20 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 20) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 21) && 21 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 21) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 37 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 37) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && 37 <= Id_MCDC_89__Id_MCDC_96)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 24 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 24) && Id_MCDC_93 <= 24) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((18 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 18) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_93 <= 18)) || ((((Id_MCDC_93 <= 4 && Id_MCDC_89__Id_MCDC_96 <= 4) && 4 <= Id_MCDC_89__Id_MCDC_96) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 29) && 29 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_93 <= 29)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 39) && Id_MCDC_93 <= 39) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && 39 <= Id_MCDC_89__Id_MCDC_96)) || ((((Id_MCDC_93 <= 41 && 41 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 41) && !(Id_MCDC_93 / 4294967296 + 1 <= 0)) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 12 && 12 <= Id_MCDC_89__Id_MCDC_96) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 12) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((23 <= Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 <= 23) && Id_MCDC_89__Id_MCDC_96 <= 23) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 2 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 2) && Id_MCDC_89__Id_MCDC_96 <= 2) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_93 <= 31 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 31) && 31 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 1 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 <= 1) && 1 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 34 && Id_MCDC_93 <= 34) && 0 < Id_MCDC_93 / 4294967296 + 1) && 34 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 8) && 8 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 8) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((22 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 22) && Id_MCDC_93 <= 22) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((35 <= Id_MCDC_89__Id_MCDC_96 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 35) && Id_MCDC_93 <= 35) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 11) && 11 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 11) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((19 <= Id_MCDC_89__Id_MCDC_96 && Id_MCDC_93 <= 19) && Id_MCDC_89__Id_MCDC_96 <= 19) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 13 && 0 < Id_MCDC_93 / 4294967296 + 1) && 13 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 13) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 36 && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 <= 36) && 36 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 3) && 3 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 3) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((Id_MCDC_89__Id_MCDC_96 <= 9 && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && 9 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 9)) || ((((Id_MCDC_93 <= 16 && 16 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 16) && 0 < Id_MCDC_93 / 4294967296 + 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_89__Id_MCDC_96 <= 6) && Id_MCDC_93 <= 6) && 6 <= Id_MCDC_89__Id_MCDC_96) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && Id_MCDC_93 <= 15) && 15 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_89__Id_MCDC_96 <= 15) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0)) || ((((0 < Id_MCDC_93 / 4294967296 + 1 && 40 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 40) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_89__Id_MCDC_96 <= 40) - ProcedureContractResult [Line: 133]: Procedure Contract for main Derived contract for procedure main: 1 RESULT: Ultimate proved your program to be correct! [2022-02-24 03:28:44,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...