/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:36:52,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:36:52,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:36:52,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:36:52,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:36:52,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:36:52,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:36:52,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:36:52,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:36:52,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:36:52,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:36:52,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:36:52,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:36:52,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:36:52,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:36:52,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:36:52,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:36:52,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:36:52,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:36:52,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:36:52,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:36:52,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:36:52,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:36:52,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:36:52,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:36:52,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:36:52,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:36:52,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:36:52,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 17:36:52,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:36:52,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:36:52,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:36:52,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:36:52,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:36:52,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:36:52,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:36:52,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:36:52,636 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:36:52,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:36:52,638 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:36:52,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:36:52,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:36:52,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:36:52,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:36:52,640 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:36:52,640 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:36:52,641 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:36:52,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:36:52,641 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:36:52,642 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:36:52,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:36:52,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:36:52,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:36:52,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:36:52,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:36:52,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:36:52,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:36:52,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:36:52,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:36:52,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:36:53,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:36:53,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:36:53,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:36:53,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:36:53,288 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:36:53,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:36:53,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17c8a064/fd6b1102483a46ffb2038ee09f2017d7/FLAGe5920b2a3 [2022-10-15 17:36:54,545 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:36:54,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:36:54,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17c8a064/fd6b1102483a46ffb2038ee09f2017d7/FLAGe5920b2a3 [2022-10-15 17:36:54,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17c8a064/fd6b1102483a46ffb2038ee09f2017d7 [2022-10-15 17:36:54,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:36:54,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:36:54,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:36:54,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:36:54,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:36:54,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:36:54" (1/1) ... [2022-10-15 17:36:54,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d486198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:54, skipping insertion in model container [2022-10-15 17:36:54,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:36:54" (1/1) ... [2022-10-15 17:36:54,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:36:54,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:36:55,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8460,8473] [2022-10-15 17:36:55,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:36:55,571 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:36:55,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[8460,8473] [2022-10-15 17:36:55,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:36:55,744 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:36:55,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55 WrapperNode [2022-10-15 17:36:55,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:36:55,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:36:55,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:36:55,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:36:55,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:55,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:55,948 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 766 [2022-10-15 17:36:55,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:36:55,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:36:55,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:36:55,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:36:56,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:36:56,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:36:56,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:36:56,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:36:56,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (1/1) ... [2022-10-15 17:36:56,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:36:56,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:36:56,253 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) [2022-10-15 17:36:56,277 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 [2022-10-15 17:36:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:36:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:36:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:36:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:36:56,767 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:36:56,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:36:58,110 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:36:58,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:36:58,129 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:36:58,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:36:58 BoogieIcfgContainer [2022-10-15 17:36:58,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:36:58,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:36:58,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:36:58,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:36:58,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:36:54" (1/3) ... [2022-10-15 17:36:58,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b23b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:36:58, skipping insertion in model container [2022-10-15 17:36:58,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:36:55" (2/3) ... [2022-10-15 17:36:58,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b23b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:36:58, skipping insertion in model container [2022-10-15 17:36:58,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:36:58" (3/3) ... [2022-10-15 17:36:58,153 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:36:58,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:36:58,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:36:58,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:36:58,336 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9688189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:36:58,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:36:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 204 states have (on average 1.7254901960784315) internal successors, (352), 206 states have internal predecessors, (352), 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) [2022-10-15 17:36:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 17:36:58,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:58,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 17:36:58,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:58,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:58,382 INFO L85 PathProgramCache]: Analyzing trace with hash 952357, now seen corresponding path program 1 times [2022-10-15 17:36:58,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:58,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238805573] [2022-10-15 17:36:58,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:58,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:59,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:59,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238805573] [2022-10-15 17:36:59,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238805573] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:59,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:59,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:36:59,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697473326] [2022-10-15 17:36:59,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:59,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:36:59,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:59,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:36:59,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:36:59,157 INFO L87 Difference]: Start difference. First operand has 207 states, 204 states have (on average 1.7254901960784315) internal successors, (352), 206 states have internal predecessors, (352), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-10-15 17:36:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:59,244 INFO L93 Difference]: Finished difference Result 206 states and 350 transitions. [2022-10-15 17:36:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:36:59,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2022-10-15 17:36:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:59,270 INFO L225 Difference]: With dead ends: 206 [2022-10-15 17:36:59,271 INFO L226 Difference]: Without dead ends: 203 [2022-10-15 17:36:59,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:36:59,289 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 347 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:59,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 349 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:59,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-10-15 17:36:59,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-10-15 17:36:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.4504950495049505) internal successors, (293), 202 states have internal predecessors, (293), 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) [2022-10-15 17:36:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 293 transitions. [2022-10-15 17:36:59,427 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 293 transitions. Word has length 4 [2022-10-15 17:36:59,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:59,428 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 293 transitions. [2022-10-15 17:36:59,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-10-15 17:36:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 293 transitions. [2022-10-15 17:36:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 17:36:59,435 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:59,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:59,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:36:59,437 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:59,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:59,440 INFO L85 PathProgramCache]: Analyzing trace with hash -465870500, now seen corresponding path program 1 times [2022-10-15 17:36:59,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:59,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499387469] [2022-10-15 17:36:59,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:00,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:00,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499387469] [2022-10-15 17:37:00,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499387469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:00,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:00,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:37:00,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28887628] [2022-10-15 17:37:00,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:00,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:37:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:00,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:37:00,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:37:00,328 INFO L87 Difference]: Start difference. First operand 203 states and 293 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2022-10-15 17:37:00,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:00,632 INFO L93 Difference]: Finished difference Result 713 states and 1105 transitions. [2022-10-15 17:37:00,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 17:37:00,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) Word has length 79 [2022-10-15 17:37:00,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:00,641 INFO L225 Difference]: With dead ends: 713 [2022-10-15 17:37:00,642 INFO L226 Difference]: Without dead ends: 713 [2022-10-15 17:37:00,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-15 17:37:00,645 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 2193 mSDsluCounter, 1867 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 2157 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:00,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 2157 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:37:00,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-10-15 17:37:00,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 314. [2022-10-15 17:37:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.5047923322683705) internal successors, (471), 313 states have internal predecessors, (471), 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) [2022-10-15 17:37:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 471 transitions. [2022-10-15 17:37:00,684 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 471 transitions. Word has length 79 [2022-10-15 17:37:00,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:00,685 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 471 transitions. [2022-10-15 17:37:00,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2022-10-15 17:37:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 471 transitions. [2022-10-15 17:37:00,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 17:37:00,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:00,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:00,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:37:00,692 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:00,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:00,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1819425779, now seen corresponding path program 1 times [2022-10-15 17:37:00,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:00,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689542832] [2022-10-15 17:37:00,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:00,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:01,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:01,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689542832] [2022-10-15 17:37:01,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689542832] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:01,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:01,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 17:37:01,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689219645] [2022-10-15 17:37:01,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:01,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:37:01,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:01,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:37:01,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:37:01,327 INFO L87 Difference]: Start difference. First operand 314 states and 471 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2022-10-15 17:37:01,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:01,740 INFO L93 Difference]: Finished difference Result 1132 states and 1740 transitions. [2022-10-15 17:37:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 17:37:01,741 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) Word has length 80 [2022-10-15 17:37:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:01,751 INFO L225 Difference]: With dead ends: 1132 [2022-10-15 17:37:01,752 INFO L226 Difference]: Without dead ends: 1132 [2022-10-15 17:37:01,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:37:01,756 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 1349 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:01,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 1180 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:37:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2022-10-15 17:37:01,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1124. [2022-10-15 17:37:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1123 states have (on average 1.545859305431879) internal successors, (1736), 1123 states have internal predecessors, (1736), 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) [2022-10-15 17:37:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1736 transitions. [2022-10-15 17:37:01,849 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1736 transitions. Word has length 80 [2022-10-15 17:37:01,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:01,854 INFO L495 AbstractCegarLoop]: Abstraction has 1124 states and 1736 transitions. [2022-10-15 17:37:01,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2022-10-15 17:37:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1736 transitions. [2022-10-15 17:37:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:37:01,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:01,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:01,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:37:01,867 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:01,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:01,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1286257119, now seen corresponding path program 1 times [2022-10-15 17:37:01,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:01,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640202585] [2022-10-15 17:37:01,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:02,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:02,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640202585] [2022-10-15 17:37:02,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640202585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:02,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:02,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:37:02,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056311506] [2022-10-15 17:37:02,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:02,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:37:02,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:02,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:37:02,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:37:02,129 INFO L87 Difference]: Start difference. First operand 1124 states and 1736 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-10-15 17:37:02,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:02,535 INFO L93 Difference]: Finished difference Result 1934 states and 3003 transitions. [2022-10-15 17:37:02,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:37:02,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) Word has length 81 [2022-10-15 17:37:02,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:02,549 INFO L225 Difference]: With dead ends: 1934 [2022-10-15 17:37:02,549 INFO L226 Difference]: Without dead ends: 1934 [2022-10-15 17:37:02,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:37:02,552 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 1107 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:02,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1107 Valid, 287 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:37:02,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-10-15 17:37:02,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1932. [2022-10-15 17:37:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1932 states, 1931 states have (on average 1.5546349041947178) internal successors, (3002), 1931 states have internal predecessors, (3002), 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) [2022-10-15 17:37:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 3002 transitions. [2022-10-15 17:37:02,620 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 3002 transitions. Word has length 81 [2022-10-15 17:37:02,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:02,621 INFO L495 AbstractCegarLoop]: Abstraction has 1932 states and 3002 transitions. [2022-10-15 17:37:02,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-10-15 17:37:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 3002 transitions. [2022-10-15 17:37:02,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:37:02,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:02,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:02,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:37:02,627 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:02,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:02,628 INFO L85 PathProgramCache]: Analyzing trace with hash 963502145, now seen corresponding path program 1 times [2022-10-15 17:37:02,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:02,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759660340] [2022-10-15 17:37:02,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:02,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:02,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:02,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759660340] [2022-10-15 17:37:02,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759660340] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:02,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:02,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:37:02,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233339466] [2022-10-15 17:37:02,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:02,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:37:02,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:02,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:37:02,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:37:02,847 INFO L87 Difference]: Start difference. First operand 1932 states and 3002 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-10-15 17:37:03,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:03,203 INFO L93 Difference]: Finished difference Result 3454 states and 5388 transitions. [2022-10-15 17:37:03,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:37:03,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) Word has length 81 [2022-10-15 17:37:03,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:03,232 INFO L225 Difference]: With dead ends: 3454 [2022-10-15 17:37:03,233 INFO L226 Difference]: Without dead ends: 3454 [2022-10-15 17:37:03,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:37:03,236 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 1063 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:03,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 298 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:37:03,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3454 states. [2022-10-15 17:37:03,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3454 to 3452. [2022-10-15 17:37:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3452 states, 3451 states have (on average 1.5609968125181106) internal successors, (5387), 3451 states have internal predecessors, (5387), 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) [2022-10-15 17:37:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3452 states to 3452 states and 5387 transitions. [2022-10-15 17:37:03,413 INFO L78 Accepts]: Start accepts. Automaton has 3452 states and 5387 transitions. Word has length 81 [2022-10-15 17:37:03,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:03,414 INFO L495 AbstractCegarLoop]: Abstraction has 3452 states and 5387 transitions. [2022-10-15 17:37:03,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-10-15 17:37:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3452 states and 5387 transitions. [2022-10-15 17:37:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:37:03,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:03,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:03,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:37:03,422 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:03,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash -990576080, now seen corresponding path program 1 times [2022-10-15 17:37:03,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:03,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595747287] [2022-10-15 17:37:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:03,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:03,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:03,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595747287] [2022-10-15 17:37:03,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595747287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:03,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:03,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:37:03,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089559473] [2022-10-15 17:37:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:03,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:37:03,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:03,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:37:03,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:37:03,852 INFO L87 Difference]: Start difference. First operand 3452 states and 5387 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-10-15 17:37:04,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:04,230 INFO L93 Difference]: Finished difference Result 6508 states and 10149 transitions. [2022-10-15 17:37:04,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:37:04,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) Word has length 81 [2022-10-15 17:37:04,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:04,280 INFO L225 Difference]: With dead ends: 6508 [2022-10-15 17:37:04,281 INFO L226 Difference]: Without dead ends: 6508 [2022-10-15 17:37:04,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:37:04,283 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 1067 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:04,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 287 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:37:04,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6508 states. [2022-10-15 17:37:04,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6508 to 6506. [2022-10-15 17:37:04,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6506 states, 6505 states have (on average 1.5600307455803228) internal successors, (10148), 6505 states have internal predecessors, (10148), 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) [2022-10-15 17:37:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6506 states to 6506 states and 10148 transitions. [2022-10-15 17:37:04,536 INFO L78 Accepts]: Start accepts. Automaton has 6506 states and 10148 transitions. Word has length 81 [2022-10-15 17:37:04,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:04,537 INFO L495 AbstractCegarLoop]: Abstraction has 6506 states and 10148 transitions. [2022-10-15 17:37:04,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-10-15 17:37:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 6506 states and 10148 transitions. [2022-10-15 17:37:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:37:04,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:04,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:04,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:37:04,544 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:04,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:04,545 INFO L85 PathProgramCache]: Analyzing trace with hash 2100922190, now seen corresponding path program 1 times [2022-10-15 17:37:04,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:04,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997938173] [2022-10-15 17:37:04,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:04,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:04,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:04,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997938173] [2022-10-15 17:37:04,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997938173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:04,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:04,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:37:04,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436656352] [2022-10-15 17:37:04,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:04,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:37:04,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:04,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:37:04,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:37:04,775 INFO L87 Difference]: Start difference. First operand 6506 states and 10148 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-10-15 17:37:05,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:05,146 INFO L93 Difference]: Finished difference Result 12728 states and 19782 transitions. [2022-10-15 17:37:05,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:37:05,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) Word has length 81 [2022-10-15 17:37:05,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:05,240 INFO L225 Difference]: With dead ends: 12728 [2022-10-15 17:37:05,240 INFO L226 Difference]: Without dead ends: 12728 [2022-10-15 17:37:05,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:37:05,242 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 1125 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:05,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 283 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:37:05,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12728 states. [2022-10-15 17:37:05,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12728 to 12726. [2022-10-15 17:37:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12726 states, 12725 states have (on average 1.5544990176817288) internal successors, (19781), 12725 states have internal predecessors, (19781), 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) [2022-10-15 17:37:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12726 states to 12726 states and 19781 transitions. [2022-10-15 17:37:05,823 INFO L78 Accepts]: Start accepts. Automaton has 12726 states and 19781 transitions. Word has length 81 [2022-10-15 17:37:05,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:05,824 INFO L495 AbstractCegarLoop]: Abstraction has 12726 states and 19781 transitions. [2022-10-15 17:37:05,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-10-15 17:37:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 12726 states and 19781 transitions. [2022-10-15 17:37:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 17:37:05,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:05,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:05,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:37:05,837 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:05,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:05,839 INFO L85 PathProgramCache]: Analyzing trace with hash -336684807, now seen corresponding path program 1 times [2022-10-15 17:37:05,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:05,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911312478] [2022-10-15 17:37:05,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:05,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:06,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:06,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911312478] [2022-10-15 17:37:06,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911312478] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:06,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:06,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:37:06,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853906082] [2022-10-15 17:37:06,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:06,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:37:06,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:06,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:37:06,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:37:06,388 INFO L87 Difference]: Start difference. First operand 12726 states and 19781 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-10-15 17:37:06,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:06,734 INFO L93 Difference]: Finished difference Result 25206 states and 38917 transitions. [2022-10-15 17:37:06,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:37:06,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) Word has length 82 [2022-10-15 17:37:06,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:06,864 INFO L225 Difference]: With dead ends: 25206 [2022-10-15 17:37:06,864 INFO L226 Difference]: Without dead ends: 25206 [2022-10-15 17:37:06,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:37:06,867 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 288 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:06,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1189 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:37:06,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25206 states. [2022-10-15 17:37:07,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25206 to 13046. [2022-10-15 17:37:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13046 states, 13045 states have (on average 1.5408968953622078) internal successors, (20101), 13045 states have internal predecessors, (20101), 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) [2022-10-15 17:37:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13046 states to 13046 states and 20101 transitions. [2022-10-15 17:37:07,607 INFO L78 Accepts]: Start accepts. Automaton has 13046 states and 20101 transitions. Word has length 82 [2022-10-15 17:37:07,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:07,608 INFO L495 AbstractCegarLoop]: Abstraction has 13046 states and 20101 transitions. [2022-10-15 17:37:07,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-10-15 17:37:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 13046 states and 20101 transitions. [2022-10-15 17:37:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 17:37:07,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:07,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:07,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:37:07,617 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:07,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:07,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1586000185, now seen corresponding path program 1 times [2022-10-15 17:37:07,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:07,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068628211] [2022-10-15 17:37:07,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:07,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:08,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:08,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068628211] [2022-10-15 17:37:08,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068628211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:08,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:08,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:37:08,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754983334] [2022-10-15 17:37:08,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:08,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:37:08,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:08,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:37:08,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:37:08,530 INFO L87 Difference]: Start difference. First operand 13046 states and 20101 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2022-10-15 17:37:10,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:10,865 INFO L93 Difference]: Finished difference Result 45793 states and 69921 transitions. [2022-10-15 17:37:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-15 17:37:10,866 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) Word has length 83 [2022-10-15 17:37:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:11,065 INFO L225 Difference]: With dead ends: 45793 [2022-10-15 17:37:11,066 INFO L226 Difference]: Without dead ends: 45793 [2022-10-15 17:37:11,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2022-10-15 17:37:11,069 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 2378 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2378 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:11,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2378 Valid, 1331 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 17:37:11,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45793 states. [2022-10-15 17:37:12,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45793 to 13227. [2022-10-15 17:37:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13227 states, 13226 states have (on average 1.5387872372599425) internal successors, (20352), 13226 states have internal predecessors, (20352), 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) [2022-10-15 17:37:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13227 states to 13227 states and 20352 transitions. [2022-10-15 17:37:12,415 INFO L78 Accepts]: Start accepts. Automaton has 13227 states and 20352 transitions. Word has length 83 [2022-10-15 17:37:12,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:12,416 INFO L495 AbstractCegarLoop]: Abstraction has 13227 states and 20352 transitions. [2022-10-15 17:37:12,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2022-10-15 17:37:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 13227 states and 20352 transitions. [2022-10-15 17:37:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 17:37:12,426 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:12,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:12,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:37:12,427 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:12,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:12,429 INFO L85 PathProgramCache]: Analyzing trace with hash 640573063, now seen corresponding path program 1 times [2022-10-15 17:37:12,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:12,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598999849] [2022-10-15 17:37:12,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:12,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:13,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:13,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598999849] [2022-10-15 17:37:13,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598999849] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:13,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:13,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:37:13,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897050903] [2022-10-15 17:37:13,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:13,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:37:13,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:13,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:37:13,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:37:13,219 INFO L87 Difference]: Start difference. First operand 13227 states and 20352 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2022-10-15 17:37:15,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:15,265 INFO L93 Difference]: Finished difference Result 32235 states and 49299 transitions. [2022-10-15 17:37:15,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-15 17:37:15,266 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) Word has length 83 [2022-10-15 17:37:15,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:15,413 INFO L225 Difference]: With dead ends: 32235 [2022-10-15 17:37:15,414 INFO L226 Difference]: Without dead ends: 32235 [2022-10-15 17:37:15,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2022-10-15 17:37:15,417 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 1926 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:15,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 1559 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 17:37:15,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32235 states. [2022-10-15 17:37:16,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32235 to 13227. [2022-10-15 17:37:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13227 states, 13226 states have (on average 1.5386360199606834) internal successors, (20350), 13226 states have internal predecessors, (20350), 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) [2022-10-15 17:37:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13227 states to 13227 states and 20350 transitions. [2022-10-15 17:37:16,249 INFO L78 Accepts]: Start accepts. Automaton has 13227 states and 20350 transitions. Word has length 83 [2022-10-15 17:37:16,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:16,250 INFO L495 AbstractCegarLoop]: Abstraction has 13227 states and 20350 transitions. [2022-10-15 17:37:16,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2022-10-15 17:37:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 13227 states and 20350 transitions. [2022-10-15 17:37:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 17:37:16,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:16,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:16,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:37:16,260 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:16,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:16,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1864782503, now seen corresponding path program 1 times [2022-10-15 17:37:16,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:16,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124819144] [2022-10-15 17:37:16,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:16,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:17,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:17,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124819144] [2022-10-15 17:37:17,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124819144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:17,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:17,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:37:17,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581377843] [2022-10-15 17:37:17,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:17,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:37:17,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:17,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:37:17,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:37:17,145 INFO L87 Difference]: Start difference. First operand 13227 states and 20350 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2022-10-15 17:37:19,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:19,960 INFO L93 Difference]: Finished difference Result 42953 states and 65325 transitions. [2022-10-15 17:37:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 17:37:19,961 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) Word has length 83 [2022-10-15 17:37:19,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:20,054 INFO L225 Difference]: With dead ends: 42953 [2022-10-15 17:37:20,054 INFO L226 Difference]: Without dead ends: 42953 [2022-10-15 17:37:20,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2022-10-15 17:37:20,057 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 2210 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:20,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 2369 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 17:37:20,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42953 states. [2022-10-15 17:37:20,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42953 to 13531. [2022-10-15 17:37:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13531 states, 13530 states have (on average 1.536289726533629) internal successors, (20786), 13530 states have internal predecessors, (20786), 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) [2022-10-15 17:37:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13531 states to 13531 states and 20786 transitions. [2022-10-15 17:37:20,714 INFO L78 Accepts]: Start accepts. Automaton has 13531 states and 20786 transitions. Word has length 83 [2022-10-15 17:37:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:20,715 INFO L495 AbstractCegarLoop]: Abstraction has 13531 states and 20786 transitions. [2022-10-15 17:37:20,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2022-10-15 17:37:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 13531 states and 20786 transitions. [2022-10-15 17:37:20,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 17:37:20,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:20,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:20,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:37:20,724 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:20,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:20,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1599214311, now seen corresponding path program 1 times [2022-10-15 17:37:20,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:20,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019042414] [2022-10-15 17:37:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:20,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:21,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:21,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019042414] [2022-10-15 17:37:21,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019042414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:21,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:21,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:37:21,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408486893] [2022-10-15 17:37:21,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:21,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:37:21,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:21,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:37:21,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:37:21,461 INFO L87 Difference]: Start difference. First operand 13531 states and 20786 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2022-10-15 17:37:23,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:23,662 INFO L93 Difference]: Finished difference Result 55913 states and 85101 transitions. [2022-10-15 17:37:23,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-15 17:37:23,663 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) Word has length 83 [2022-10-15 17:37:23,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:23,773 INFO L225 Difference]: With dead ends: 55913 [2022-10-15 17:37:23,773 INFO L226 Difference]: Without dead ends: 55913 [2022-10-15 17:37:23,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2022-10-15 17:37:23,775 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 2333 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2333 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:23,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2333 Valid, 1950 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 17:37:23,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55913 states. [2022-10-15 17:37:24,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55913 to 13835. [2022-10-15 17:37:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13835 states, 13834 states have (on average 1.531227410727194) internal successors, (21183), 13834 states have internal predecessors, (21183), 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) [2022-10-15 17:37:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13835 states to 13835 states and 21183 transitions. [2022-10-15 17:37:24,551 INFO L78 Accepts]: Start accepts. Automaton has 13835 states and 21183 transitions. Word has length 83 [2022-10-15 17:37:24,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:24,552 INFO L495 AbstractCegarLoop]: Abstraction has 13835 states and 21183 transitions. [2022-10-15 17:37:24,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2022-10-15 17:37:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 13835 states and 21183 transitions. [2022-10-15 17:37:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 17:37:24,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:24,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:24,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:37:24,563 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:24,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:24,564 INFO L85 PathProgramCache]: Analyzing trace with hash 67573609, now seen corresponding path program 1 times [2022-10-15 17:37:24,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:24,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708629142] [2022-10-15 17:37:24,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:24,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:24,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:24,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708629142] [2022-10-15 17:37:24,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708629142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:24,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:24,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:37:24,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217913177] [2022-10-15 17:37:24,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:24,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:37:24,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:24,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:37:24,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:37:24,741 INFO L87 Difference]: Start difference. First operand 13835 states and 21183 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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) [2022-10-15 17:37:25,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:25,185 INFO L93 Difference]: Finished difference Result 24775 states and 37859 transitions. [2022-10-15 17:37:25,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:37:25,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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) Word has length 83 [2022-10-15 17:37:25,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:25,254 INFO L225 Difference]: With dead ends: 24775 [2022-10-15 17:37:25,255 INFO L226 Difference]: Without dead ends: 24775 [2022-10-15 17:37:25,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:37:25,256 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1154 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:25,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 288 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:37:25,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24775 states. [2022-10-15 17:37:25,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24775 to 24773. [2022-10-15 17:37:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24773 states, 24772 states have (on average 1.528257710318101) internal successors, (37858), 24772 states have internal predecessors, (37858), 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) [2022-10-15 17:37:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24773 states to 24773 states and 37858 transitions. [2022-10-15 17:37:25,864 INFO L78 Accepts]: Start accepts. Automaton has 24773 states and 37858 transitions. Word has length 83 [2022-10-15 17:37:25,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:25,865 INFO L495 AbstractCegarLoop]: Abstraction has 24773 states and 37858 transitions. [2022-10-15 17:37:25,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 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) [2022-10-15 17:37:25,865 INFO L276 IsEmpty]: Start isEmpty. Operand 24773 states and 37858 transitions. [2022-10-15 17:37:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 17:37:25,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:25,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:25,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:37:25,878 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:25,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:25,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1469957880, now seen corresponding path program 1 times [2022-10-15 17:37:25,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:25,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514158297] [2022-10-15 17:37:25,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:25,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:25,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:25,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:25,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514158297] [2022-10-15 17:37:25,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514158297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:25,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:25,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:37:25,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806702475] [2022-10-15 17:37:25,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:25,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:37:25,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:25,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:37:25,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:37:25,980 INFO L87 Difference]: Start difference. First operand 24773 states and 37858 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 17:37:26,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:26,103 INFO L93 Difference]: Finished difference Result 29213 states and 44015 transitions. [2022-10-15 17:37:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:37:26,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) Word has length 84 [2022-10-15 17:37:26,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:26,155 INFO L225 Difference]: With dead ends: 29213 [2022-10-15 17:37:26,155 INFO L226 Difference]: Without dead ends: 29213 [2022-10-15 17:37:26,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:37:26,158 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 174 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:26,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 568 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:37:26,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29213 states. [2022-10-15 17:37:27,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29213 to 28943. [2022-10-15 17:37:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28943 states, 28942 states have (on average 1.5115057701610117) internal successors, (43746), 28942 states have internal predecessors, (43746), 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) [2022-10-15 17:37:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28943 states to 28943 states and 43746 transitions. [2022-10-15 17:37:27,228 INFO L78 Accepts]: Start accepts. Automaton has 28943 states and 43746 transitions. Word has length 84 [2022-10-15 17:37:27,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:27,229 INFO L495 AbstractCegarLoop]: Abstraction has 28943 states and 43746 transitions. [2022-10-15 17:37:27,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 17:37:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand 28943 states and 43746 transitions. [2022-10-15 17:37:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 17:37:27,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:27,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:27,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:37:27,251 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:27,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:27,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1045499168, now seen corresponding path program 1 times [2022-10-15 17:37:27,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:27,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089073175] [2022-10-15 17:37:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:27,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:27,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:27,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089073175] [2022-10-15 17:37:27,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089073175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:27,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:27,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:37:27,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074163498] [2022-10-15 17:37:27,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:27,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:37:27,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:27,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:37:27,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:37:27,934 INFO L87 Difference]: Start difference. First operand 28943 states and 43746 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2022-10-15 17:37:28,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:28,215 INFO L93 Difference]: Finished difference Result 52457 states and 78387 transitions. [2022-10-15 17:37:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:37:28,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) Word has length 84 [2022-10-15 17:37:28,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:28,354 INFO L225 Difference]: With dead ends: 52457 [2022-10-15 17:37:28,356 INFO L226 Difference]: Without dead ends: 52457 [2022-10-15 17:37:28,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:37:28,360 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 190 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:28,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 695 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:37:28,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52457 states. [2022-10-15 17:37:29,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52457 to 52119. [2022-10-15 17:37:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52119 states, 52118 states have (on average 1.4975632219194903) internal successors, (78050), 52118 states have internal predecessors, (78050), 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) [2022-10-15 17:37:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52119 states to 52119 states and 78050 transitions. [2022-10-15 17:37:29,931 INFO L78 Accepts]: Start accepts. Automaton has 52119 states and 78050 transitions. Word has length 84 [2022-10-15 17:37:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:29,931 INFO L495 AbstractCegarLoop]: Abstraction has 52119 states and 78050 transitions. [2022-10-15 17:37:29,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2022-10-15 17:37:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 52119 states and 78050 transitions. [2022-10-15 17:37:29,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 17:37:29,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:29,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:29,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:37:29,949 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:29,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:29,950 INFO L85 PathProgramCache]: Analyzing trace with hash -720169287, now seen corresponding path program 1 times [2022-10-15 17:37:29,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:29,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118305155] [2022-10-15 17:37:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:30,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:30,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118305155] [2022-10-15 17:37:30,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118305155] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:30,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:30,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:37:30,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768401692] [2022-10-15 17:37:30,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:30,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:37:30,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:30,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:37:30,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:37:30,070 INFO L87 Difference]: Start difference. First operand 52119 states and 78050 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 17:37:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:30,880 INFO L93 Difference]: Finished difference Result 73046 states and 108296 transitions. [2022-10-15 17:37:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:37:30,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) Word has length 84 [2022-10-15 17:37:30,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:31,060 INFO L225 Difference]: With dead ends: 73046 [2022-10-15 17:37:31,060 INFO L226 Difference]: Without dead ends: 73046 [2022-10-15 17:37:31,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:37:31,066 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 200 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:31,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 550 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:37:31,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73046 states. [2022-10-15 17:37:32,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73046 to 51761. [2022-10-15 17:37:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51761 states, 51760 states have (on average 1.4831723338485316) internal successors, (76769), 51760 states have internal predecessors, (76769), 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) [2022-10-15 17:37:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51761 states to 51761 states and 76769 transitions. [2022-10-15 17:37:33,169 INFO L78 Accepts]: Start accepts. Automaton has 51761 states and 76769 transitions. Word has length 84 [2022-10-15 17:37:33,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:33,169 INFO L495 AbstractCegarLoop]: Abstraction has 51761 states and 76769 transitions. [2022-10-15 17:37:33,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 17:37:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 51761 states and 76769 transitions. [2022-10-15 17:37:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 17:37:33,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:33,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:33,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:37:33,194 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:33,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:33,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1264170607, now seen corresponding path program 1 times [2022-10-15 17:37:33,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:33,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438934368] [2022-10-15 17:37:33,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:33,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:33,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:33,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438934368] [2022-10-15 17:37:33,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438934368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:33,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:33,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:37:33,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518173599] [2022-10-15 17:37:33,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:33,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:37:33,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:33,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:37:33,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:37:33,347 INFO L87 Difference]: Start difference. First operand 51761 states and 76769 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 17:37:33,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:33,618 INFO L93 Difference]: Finished difference Result 53346 states and 77656 transitions. [2022-10-15 17:37:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:37:33,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) Word has length 84 [2022-10-15 17:37:33,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:33,807 INFO L225 Difference]: With dead ends: 53346 [2022-10-15 17:37:33,808 INFO L226 Difference]: Without dead ends: 53030 [2022-10-15 17:37:33,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:37:33,812 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 165 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:33,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 537 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:37:33,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53030 states. [2022-10-15 17:37:35,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53030 to 48484. [2022-10-15 17:37:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48484 states, 48483 states have (on average 1.4609038219582122) internal successors, (70829), 48483 states have internal predecessors, (70829), 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) [2022-10-15 17:37:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48484 states to 48484 states and 70829 transitions. [2022-10-15 17:37:35,543 INFO L78 Accepts]: Start accepts. Automaton has 48484 states and 70829 transitions. Word has length 84 [2022-10-15 17:37:35,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:37:35,543 INFO L495 AbstractCegarLoop]: Abstraction has 48484 states and 70829 transitions. [2022-10-15 17:37:35,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 17:37:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 48484 states and 70829 transitions. [2022-10-15 17:37:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 17:37:35,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:37:35,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:37:35,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 17:37:35,562 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:37:35,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:37:35,564 INFO L85 PathProgramCache]: Analyzing trace with hash 725890361, now seen corresponding path program 1 times [2022-10-15 17:37:35,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:37:35,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454724630] [2022-10-15 17:37:35,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:37:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:37:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:37:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:37:35,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:37:35,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454724630] [2022-10-15 17:37:35,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454724630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:37:35,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:37:35,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:37:35,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038370125] [2022-10-15 17:37:35,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:37:35,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:37:35,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:37:35,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:37:35,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:37:35,696 INFO L87 Difference]: Start difference. First operand 48484 states and 70829 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 17:37:36,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:37:36,061 INFO L93 Difference]: Finished difference Result 57670 states and 82538 transitions. [2022-10-15 17:37:36,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:37:36,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) Word has length 84 [2022-10-15 17:37:36,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:37:36,255 INFO L225 Difference]: With dead ends: 57670 [2022-10-15 17:37:36,255 INFO L226 Difference]: Without dead ends: 57670 [2022-10-15 17:37:36,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:37:36,260 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 179 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:37:36,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 644 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:37:36,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57670 states.