/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.5.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:50:18,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:50:18,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:50:18,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 03:50:18,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:50:18,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:50:18,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:50:18,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:50:18,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:50:18,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:50:18,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:50:18,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:50:18,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:50:18,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:50:18,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:50:18,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:50:18,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:50:18,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:50:18,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:50:18,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:50:18,838 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 [2022-10-16 03:50:18,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:50:18,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:50:18,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:50:18,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:50:18,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:50:18,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:50:18,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:50:18,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:50:18,870 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:50:18,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:50:18,871 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:50:18,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:50:18,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:50:18,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:50:18,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:50:18,872 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:50:18,873 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:50:18,873 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:50:18,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:50:18,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:50:18,874 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:50:18,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:50:18,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:50:18,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:50:18,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:50:18,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:50:18,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:50:18,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:50:18,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:50:18,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:50:18,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:50:19,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:50:19,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:50:19,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:50:19,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:50:19,303 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:50:19,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2022-10-16 03:50:19,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689053f94/13c90b621b07439c88ed450c8a7c7df4/FLAGc6df003cb [2022-10-16 03:50:20,026 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:50:20,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2022-10-16 03:50:20,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689053f94/13c90b621b07439c88ed450c8a7c7df4/FLAGc6df003cb [2022-10-16 03:50:20,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689053f94/13c90b621b07439c88ed450c8a7c7df4 [2022-10-16 03:50:20,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:50:20,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:50:20,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:50:20,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:50:20,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:50:20,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:50:20" (1/1) ... [2022-10-16 03:50:20,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49417798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:20, skipping insertion in model container [2022-10-16 03:50:20,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:50:20" (1/1) ... [2022-10-16 03:50:20,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:50:20,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:50:20,770 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.5.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c[13904,13917] [2022-10-16 03:50:20,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:50:20,873 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:50:21,033 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.5.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c[13904,13917] [2022-10-16 03:50:21,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:50:21,120 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:50:21,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21 WrapperNode [2022-10-16 03:50:21,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:50:21,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:50:21,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:50:21,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:50:21,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,215 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1189 [2022-10-16 03:50:21,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:50:21,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:50:21,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:50:21,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:50:21,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,284 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:50:21,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:50:21,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:50:21,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:50:21,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (1/1) ... [2022-10-16 03:50:21,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:50:21,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:50:21,367 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) [2022-10-16 03:50:21,381 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 [2022-10-16 03:50:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:50:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:50:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:50:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:50:21,708 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:50:21,714 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:50:22,646 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:50:22,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:50:22,691 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:50:22,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:50:22 BoogieIcfgContainer [2022-10-16 03:50:22,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:50:22,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:50:22,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:50:22,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:50:22,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:50:20" (1/3) ... [2022-10-16 03:50:22,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cc9e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:50:22, skipping insertion in model container [2022-10-16 03:50:22,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:50:21" (2/3) ... [2022-10-16 03:50:22,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cc9e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:50:22, skipping insertion in model container [2022-10-16 03:50:22,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:50:22" (3/3) ... [2022-10-16 03:50:22,709 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2022-10-16 03:50:22,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:50:22,734 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 03:50:22,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:50:22,830 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;@3f43aed8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:50:22,830 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 03:50:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 337 states, 334 states have (on average 1.655688622754491) internal successors, (553), 336 states have internal predecessors, (553), 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) [2022-10-16 03:50:22,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 03:50:22,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:22,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 03:50:22,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:22,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:22,851 INFO L85 PathProgramCache]: Analyzing trace with hash 928748734, now seen corresponding path program 1 times [2022-10-16 03:50:22,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:22,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519794001] [2022-10-16 03:50:22,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:22,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:23,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:23,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519794001] [2022-10-16 03:50:23,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519794001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:23,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:23,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:50:23,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420628226] [2022-10-16 03:50:23,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:23,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:50:23,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:23,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:50:23,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:50:23,191 INFO L87 Difference]: Start difference. First operand has 337 states, 334 states have (on average 1.655688622754491) internal successors, (553), 336 states have internal predecessors, (553), 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 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-10-16 03:50:23,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:23,260 INFO L93 Difference]: Finished difference Result 336 states and 551 transitions. [2022-10-16 03:50:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:50:23,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-10-16 03:50:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:23,277 INFO L225 Difference]: With dead ends: 336 [2022-10-16 03:50:23,277 INFO L226 Difference]: Without dead ends: 333 [2022-10-16 03:50:23,279 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 [2022-10-16 03:50:23,285 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 546 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 550 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 [2022-10-16 03:50:23,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 550 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:50:23,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-10-16 03:50:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2022-10-16 03:50:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.6385542168674698) internal successors, (544), 332 states have internal predecessors, (544), 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) [2022-10-16 03:50:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 544 transitions. [2022-10-16 03:50:23,362 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 544 transitions. Word has length 6 [2022-10-16 03:50:23,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:23,362 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 544 transitions. [2022-10-16 03:50:23,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-10-16 03:50:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 544 transitions. [2022-10-16 03:50:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 03:50:23,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:23,379 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:23,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:50:23,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:23,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:23,383 INFO L85 PathProgramCache]: Analyzing trace with hash 507379928, now seen corresponding path program 1 times [2022-10-16 03:50:23,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:23,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461696244] [2022-10-16 03:50:23,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:23,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:23,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:23,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461696244] [2022-10-16 03:50:23,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461696244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:23,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:23,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:50:23,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648621564] [2022-10-16 03:50:23,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:23,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:50:23,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:23,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:50:23,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:50:23,916 INFO L87 Difference]: Start difference. First operand 333 states and 544 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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) [2022-10-16 03:50:23,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:23,994 INFO L93 Difference]: Finished difference Result 335 states and 545 transitions. [2022-10-16 03:50:23,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:50:23,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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 127 [2022-10-16 03:50:23,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:23,998 INFO L225 Difference]: With dead ends: 335 [2022-10-16 03:50:23,998 INFO L226 Difference]: Without dead ends: 333 [2022-10-16 03:50:23,999 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 [2022-10-16 03:50:24,001 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 479 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:24,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1116 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:50:24,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-10-16 03:50:24,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2022-10-16 03:50:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.5451807228915662) internal successors, (513), 332 states have internal predecessors, (513), 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) [2022-10-16 03:50:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 513 transitions. [2022-10-16 03:50:24,031 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 513 transitions. Word has length 127 [2022-10-16 03:50:24,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:24,032 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 513 transitions. [2022-10-16 03:50:24,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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) [2022-10-16 03:50:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 513 transitions. [2022-10-16 03:50:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-16 03:50:24,046 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:24,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:24,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:50:24,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:24,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:24,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1226582684, now seen corresponding path program 1 times [2022-10-16 03:50:24,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:24,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708234049] [2022-10-16 03:50:24,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:24,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:24,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:24,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708234049] [2022-10-16 03:50:24,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708234049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:24,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:24,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:50:24,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165712646] [2022-10-16 03:50:24,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:24,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:50:24,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:24,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:50:24,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:50:24,266 INFO L87 Difference]: Start difference. First operand 333 states and 513 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2022-10-16 03:50:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:24,322 INFO L93 Difference]: Finished difference Result 523 states and 812 transitions. [2022-10-16 03:50:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:50:24,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 157 [2022-10-16 03:50:24,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:24,327 INFO L225 Difference]: With dead ends: 523 [2022-10-16 03:50:24,327 INFO L226 Difference]: Without dead ends: 523 [2022-10-16 03:50:24,328 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 [2022-10-16 03:50:24,330 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 346 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:24,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 998 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:50:24,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2022-10-16 03:50:24,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 521. [2022-10-16 03:50:24,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 520 states have (on average 1.5596153846153846) internal successors, (811), 520 states have internal predecessors, (811), 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) [2022-10-16 03:50:24,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 811 transitions. [2022-10-16 03:50:24,354 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 811 transitions. Word has length 157 [2022-10-16 03:50:24,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:24,355 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 811 transitions. [2022-10-16 03:50:24,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2022-10-16 03:50:24,355 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 811 transitions. [2022-10-16 03:50:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-16 03:50:24,359 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:24,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:24,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:50:24,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:24,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:24,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1375467905, now seen corresponding path program 1 times [2022-10-16 03:50:24,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:24,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079696659] [2022-10-16 03:50:24,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:24,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:24,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:24,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:24,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079696659] [2022-10-16 03:50:24,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079696659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:24,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:24,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:50:24,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730864985] [2022-10-16 03:50:24,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:24,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:50:24,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:24,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:50:24,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:50:24,521 INFO L87 Difference]: Start difference. First operand 521 states and 811 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2022-10-16 03:50:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:24,575 INFO L93 Difference]: Finished difference Result 859 states and 1342 transitions. [2022-10-16 03:50:24,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:50:24,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 160 [2022-10-16 03:50:24,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:24,584 INFO L225 Difference]: With dead ends: 859 [2022-10-16 03:50:24,584 INFO L226 Difference]: Without dead ends: 859 [2022-10-16 03:50:24,584 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 [2022-10-16 03:50:24,596 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 334 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:24,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 897 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:50:24,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2022-10-16 03:50:24,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 857. [2022-10-16 03:50:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 856 states have (on average 1.566588785046729) internal successors, (1341), 856 states have internal predecessors, (1341), 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) [2022-10-16 03:50:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1341 transitions. [2022-10-16 03:50:24,631 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1341 transitions. Word has length 160 [2022-10-16 03:50:24,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:24,632 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1341 transitions. [2022-10-16 03:50:24,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2022-10-16 03:50:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1341 transitions. [2022-10-16 03:50:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-16 03:50:24,640 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:24,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:24,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:50:24,641 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:24,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:24,642 INFO L85 PathProgramCache]: Analyzing trace with hash -401831765, now seen corresponding path program 1 times [2022-10-16 03:50:24,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:24,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757381301] [2022-10-16 03:50:24,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:24,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:24,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:24,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757381301] [2022-10-16 03:50:24,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757381301] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:24,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:24,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:50:24,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406660738] [2022-10-16 03:50:24,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:24,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:50:24,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:50:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:50:24,794 INFO L87 Difference]: Start difference. First operand 857 states and 1341 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2022-10-16 03:50:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:24,846 INFO L93 Difference]: Finished difference Result 1447 states and 2262 transitions. [2022-10-16 03:50:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:50:24,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 163 [2022-10-16 03:50:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:24,856 INFO L225 Difference]: With dead ends: 1447 [2022-10-16 03:50:24,856 INFO L226 Difference]: Without dead ends: 1447 [2022-10-16 03:50:24,857 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 [2022-10-16 03:50:24,864 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 320 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:24,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 989 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:50:24,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2022-10-16 03:50:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1445. [2022-10-16 03:50:24,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.5657894736842106) internal successors, (2261), 1444 states have internal predecessors, (2261), 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) [2022-10-16 03:50:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 2261 transitions. [2022-10-16 03:50:24,905 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 2261 transitions. Word has length 163 [2022-10-16 03:50:24,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:24,907 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 2261 transitions. [2022-10-16 03:50:24,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2022-10-16 03:50:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 2261 transitions. [2022-10-16 03:50:24,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-16 03:50:24,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:24,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:24,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:50:24,916 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:24,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:24,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1333810302, now seen corresponding path program 1 times [2022-10-16 03:50:24,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:24,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101872209] [2022-10-16 03:50:24,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:24,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:25,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:25,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101872209] [2022-10-16 03:50:25,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101872209] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:25,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:25,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:50:25,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470953147] [2022-10-16 03:50:25,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:25,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:50:25,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:25,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:50:25,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:50:25,065 INFO L87 Difference]: Start difference. First operand 1445 states and 2261 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-10-16 03:50:25,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:25,124 INFO L93 Difference]: Finished difference Result 2451 states and 3814 transitions. [2022-10-16 03:50:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:50:25,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 166 [2022-10-16 03:50:25,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:25,142 INFO L225 Difference]: With dead ends: 2451 [2022-10-16 03:50:25,142 INFO L226 Difference]: Without dead ends: 2451 [2022-10-16 03:50:25,143 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 [2022-10-16 03:50:25,146 INFO L413 NwaCegarLoop]: 477 mSDtfsCounter, 308 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:25,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 857 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:50:25,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2451 states. [2022-10-16 03:50:25,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2451 to 2449. [2022-10-16 03:50:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 2448 states have (on average 1.5575980392156863) internal successors, (3813), 2448 states have internal predecessors, (3813), 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) [2022-10-16 03:50:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3813 transitions. [2022-10-16 03:50:25,255 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3813 transitions. Word has length 166 [2022-10-16 03:50:25,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:25,256 INFO L495 AbstractCegarLoop]: Abstraction has 2449 states and 3813 transitions. [2022-10-16 03:50:25,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-10-16 03:50:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3813 transitions. [2022-10-16 03:50:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 03:50:25,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:25,269 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:25,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:50:25,270 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:25,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:25,271 INFO L85 PathProgramCache]: Analyzing trace with hash -109197312, now seen corresponding path program 1 times [2022-10-16 03:50:25,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:25,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554118861] [2022-10-16 03:50:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:25,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:25,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554118861] [2022-10-16 03:50:25,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554118861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:25,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:25,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:50:25,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048379419] [2022-10-16 03:50:25,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:25,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:50:25,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:25,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:50:25,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:50:25,753 INFO L87 Difference]: Start difference. First operand 2449 states and 3813 transitions. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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) [2022-10-16 03:50:26,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:26,696 INFO L93 Difference]: Finished difference Result 20603 states and 31554 transitions. [2022-10-16 03:50:26,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 03:50:26,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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 169 [2022-10-16 03:50:26,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:26,799 INFO L225 Difference]: With dead ends: 20603 [2022-10-16 03:50:26,799 INFO L226 Difference]: Without dead ends: 20603 [2022-10-16 03:50:26,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:50:26,800 INFO L413 NwaCegarLoop]: 1654 mSDtfsCounter, 3286 mSDsluCounter, 7225 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3286 SdHoareTripleChecker+Valid, 8879 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:26,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3286 Valid, 8879 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:50:26,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20603 states. [2022-10-16 03:50:27,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20603 to 4851. [2022-10-16 03:50:27,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4851 states, 4850 states have (on average 1.534639175257732) internal successors, (7443), 4850 states have internal predecessors, (7443), 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) [2022-10-16 03:50:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 7443 transitions. [2022-10-16 03:50:27,193 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 7443 transitions. Word has length 169 [2022-10-16 03:50:27,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:27,195 INFO L495 AbstractCegarLoop]: Abstraction has 4851 states and 7443 transitions. [2022-10-16 03:50:27,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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) [2022-10-16 03:50:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 7443 transitions. [2022-10-16 03:50:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-16 03:50:27,211 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:27,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:27,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:50:27,212 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash -685585935, now seen corresponding path program 1 times [2022-10-16 03:50:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:27,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233018782] [2022-10-16 03:50:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:27,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:27,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:27,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233018782] [2022-10-16 03:50:27,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233018782] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:27,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:27,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:50:27,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872635424] [2022-10-16 03:50:27,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:27,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:50:27,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:27,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:50:27,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:50:27,353 INFO L87 Difference]: Start difference. First operand 4851 states and 7443 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2022-10-16 03:50:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:27,431 INFO L93 Difference]: Finished difference Result 8510 states and 12918 transitions. [2022-10-16 03:50:27,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:50:27,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 172 [2022-10-16 03:50:27,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:27,462 INFO L225 Difference]: With dead ends: 8510 [2022-10-16 03:50:27,463 INFO L226 Difference]: Without dead ends: 8510 [2022-10-16 03:50:27,463 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 [2022-10-16 03:50:27,464 INFO L413 NwaCegarLoop]: 778 mSDtfsCounter, 337 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:27,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1172 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:50:27,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8510 states. [2022-10-16 03:50:27,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8510 to 8508. [2022-10-16 03:50:27,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8508 states, 8507 states have (on average 1.5183966145527212) internal successors, (12917), 8507 states have internal predecessors, (12917), 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) [2022-10-16 03:50:27,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8508 states to 8508 states and 12917 transitions. [2022-10-16 03:50:27,715 INFO L78 Accepts]: Start accepts. Automaton has 8508 states and 12917 transitions. Word has length 172 [2022-10-16 03:50:27,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:27,715 INFO L495 AbstractCegarLoop]: Abstraction has 8508 states and 12917 transitions. [2022-10-16 03:50:27,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2022-10-16 03:50:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 8508 states and 12917 transitions. [2022-10-16 03:50:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 03:50:27,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:27,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:27,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:50:27,738 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:27,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:27,738 INFO L85 PathProgramCache]: Analyzing trace with hash 443804160, now seen corresponding path program 1 times [2022-10-16 03:50:27,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:27,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785660441] [2022-10-16 03:50:27,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:27,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:27,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785660441] [2022-10-16 03:50:27,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785660441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:27,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:27,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:50:27,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246044043] [2022-10-16 03:50:27,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:27,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:50:27,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:27,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:50:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:50:27,892 INFO L87 Difference]: Start difference. First operand 8508 states and 12917 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2022-10-16 03:50:28,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:28,099 INFO L93 Difference]: Finished difference Result 11990 states and 17865 transitions. [2022-10-16 03:50:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:50:28,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 173 [2022-10-16 03:50:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:28,121 INFO L225 Difference]: With dead ends: 11990 [2022-10-16 03:50:28,121 INFO L226 Difference]: Without dead ends: 11990 [2022-10-16 03:50:28,122 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 [2022-10-16 03:50:28,122 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 352 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:28,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 794 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:50:28,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11990 states. [2022-10-16 03:50:28,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11990 to 11924. [2022-10-16 03:50:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11924 states, 11923 states have (on average 1.4929128575023065) internal successors, (17800), 11923 states have internal predecessors, (17800), 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) [2022-10-16 03:50:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11924 states to 11924 states and 17800 transitions. [2022-10-16 03:50:28,458 INFO L78 Accepts]: Start accepts. Automaton has 11924 states and 17800 transitions. Word has length 173 [2022-10-16 03:50:28,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:28,458 INFO L495 AbstractCegarLoop]: Abstraction has 11924 states and 17800 transitions. [2022-10-16 03:50:28,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2022-10-16 03:50:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 11924 states and 17800 transitions. [2022-10-16 03:50:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 03:50:28,487 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:28,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:28,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:50:28,488 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:28,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:28,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1404207551, now seen corresponding path program 1 times [2022-10-16 03:50:28,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:28,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256300632] [2022-10-16 03:50:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:29,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:29,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256300632] [2022-10-16 03:50:29,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256300632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:29,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:29,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:50:29,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976864562] [2022-10-16 03:50:29,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:29,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:50:29,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:29,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:50:29,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:50:29,010 INFO L87 Difference]: Start difference. First operand 11924 states and 17800 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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) [2022-10-16 03:50:29,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:29,380 INFO L93 Difference]: Finished difference Result 11926 states and 17624 transitions. [2022-10-16 03:50:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:50:29,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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 173 [2022-10-16 03:50:29,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:29,403 INFO L225 Difference]: With dead ends: 11926 [2022-10-16 03:50:29,403 INFO L226 Difference]: Without dead ends: 11926 [2022-10-16 03:50:29,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:50:29,404 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 2017 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 2041 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:29,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 2041 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:50:29,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11926 states. [2022-10-16 03:50:29,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11926 to 11924. [2022-10-16 03:50:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11924 states, 11923 states have (on average 1.478067600436132) internal successors, (17623), 11923 states have internal predecessors, (17623), 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) [2022-10-16 03:50:29,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11924 states to 11924 states and 17623 transitions. [2022-10-16 03:50:29,764 INFO L78 Accepts]: Start accepts. Automaton has 11924 states and 17623 transitions. Word has length 173 [2022-10-16 03:50:29,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:29,764 INFO L495 AbstractCegarLoop]: Abstraction has 11924 states and 17623 transitions. [2022-10-16 03:50:29,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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) [2022-10-16 03:50:29,765 INFO L276 IsEmpty]: Start isEmpty. Operand 11924 states and 17623 transitions. [2022-10-16 03:50:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-16 03:50:29,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:29,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:29,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:50:29,797 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:29,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:29,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1620734737, now seen corresponding path program 1 times [2022-10-16 03:50:29,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:29,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804270824] [2022-10-16 03:50:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:29,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:30,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:30,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804270824] [2022-10-16 03:50:30,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804270824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:30,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:30,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:50:30,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986751144] [2022-10-16 03:50:30,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:30,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:50:30,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:30,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:50:30,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:50:30,295 INFO L87 Difference]: Start difference. First operand 11924 states and 17623 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2022-10-16 03:50:30,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:30,860 INFO L93 Difference]: Finished difference Result 52435 states and 77127 transitions. [2022-10-16 03:50:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:50:30,861 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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 174 [2022-10-16 03:50:30,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:30,974 INFO L225 Difference]: With dead ends: 52435 [2022-10-16 03:50:30,974 INFO L226 Difference]: Without dead ends: 52435 [2022-10-16 03:50:30,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:50:30,976 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 2624 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2624 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:30,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2624 Valid, 3214 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:50:31,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52435 states. [2022-10-16 03:50:31,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52435 to 22673. [2022-10-16 03:50:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22673 states, 22672 states have (on average 1.4693895553987297) internal successors, (33314), 22672 states have internal predecessors, (33314), 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) [2022-10-16 03:50:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22673 states to 22673 states and 33314 transitions. [2022-10-16 03:50:32,071 INFO L78 Accepts]: Start accepts. Automaton has 22673 states and 33314 transitions. Word has length 174 [2022-10-16 03:50:32,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:32,071 INFO L495 AbstractCegarLoop]: Abstraction has 22673 states and 33314 transitions. [2022-10-16 03:50:32,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2022-10-16 03:50:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 22673 states and 33314 transitions. [2022-10-16 03:50:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-16 03:50:32,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:32,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:32,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:50:32,125 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:32,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:32,126 INFO L85 PathProgramCache]: Analyzing trace with hash -490509957, now seen corresponding path program 1 times [2022-10-16 03:50:32,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:32,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485718559] [2022-10-16 03:50:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:32,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:32,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:32,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485718559] [2022-10-16 03:50:32,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485718559] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:32,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:32,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:50:32,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434150843] [2022-10-16 03:50:32,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:32,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:50:32,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:32,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:50:32,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:50:32,835 INFO L87 Difference]: Start difference. First operand 22673 states and 33314 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2022-10-16 03:50:33,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:33,454 INFO L93 Difference]: Finished difference Result 62285 states and 91495 transitions. [2022-10-16 03:50:33,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:50:33,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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 174 [2022-10-16 03:50:33,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:33,603 INFO L225 Difference]: With dead ends: 62285 [2022-10-16 03:50:33,604 INFO L226 Difference]: Without dead ends: 62285 [2022-10-16 03:50:33,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:50:33,605 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 2627 mSDsluCounter, 2227 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:33,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 3337 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:50:33,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62285 states. [2022-10-16 03:50:34,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62285 to 36813. [2022-10-16 03:50:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36813 states, 36812 states have (on average 1.4612354666956426) internal successors, (53791), 36812 states have internal predecessors, (53791), 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) [2022-10-16 03:50:35,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36813 states to 36813 states and 53791 transitions. [2022-10-16 03:50:35,080 INFO L78 Accepts]: Start accepts. Automaton has 36813 states and 53791 transitions. Word has length 174 [2022-10-16 03:50:35,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:35,081 INFO L495 AbstractCegarLoop]: Abstraction has 36813 states and 53791 transitions. [2022-10-16 03:50:35,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2022-10-16 03:50:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand 36813 states and 53791 transitions. [2022-10-16 03:50:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-16 03:50:35,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:35,469 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:35,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:50:35,469 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:35,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:35,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1276981041, now seen corresponding path program 1 times [2022-10-16 03:50:35,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:35,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581807089] [2022-10-16 03:50:35,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:35,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:36,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:36,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581807089] [2022-10-16 03:50:36,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581807089] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:36,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:36,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:50:36,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808285606] [2022-10-16 03:50:36,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:36,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:50:36,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:36,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:50:36,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:50:36,110 INFO L87 Difference]: Start difference. First operand 36813 states and 53791 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2022-10-16 03:50:36,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:36,828 INFO L93 Difference]: Finished difference Result 71061 states and 104255 transitions. [2022-10-16 03:50:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:50:36,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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 174 [2022-10-16 03:50:36,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:36,962 INFO L225 Difference]: With dead ends: 71061 [2022-10-16 03:50:36,962 INFO L226 Difference]: Without dead ends: 71061 [2022-10-16 03:50:36,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:50:36,964 INFO L413 NwaCegarLoop]: 1167 mSDtfsCounter, 2443 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 3511 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:36,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 3511 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:50:37,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71061 states. [2022-10-16 03:50:38,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71061 to 46464. [2022-10-16 03:50:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46464 states, 46463 states have (on average 1.4605384929944256) internal successors, (67861), 46463 states have internal predecessors, (67861), 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) [2022-10-16 03:50:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46464 states to 46464 states and 67861 transitions. [2022-10-16 03:50:38,268 INFO L78 Accepts]: Start accepts. Automaton has 46464 states and 67861 transitions. Word has length 174 [2022-10-16 03:50:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:38,268 INFO L495 AbstractCegarLoop]: Abstraction has 46464 states and 67861 transitions. [2022-10-16 03:50:38,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2022-10-16 03:50:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 46464 states and 67861 transitions. [2022-10-16 03:50:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-16 03:50:38,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:38,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:38,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:50:38,387 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:38,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:38,388 INFO L85 PathProgramCache]: Analyzing trace with hash 815173252, now seen corresponding path program 1 times [2022-10-16 03:50:38,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:38,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908909501] [2022-10-16 03:50:38,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:38,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:38,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:38,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908909501] [2022-10-16 03:50:38,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908909501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:38,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:38,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:50:38,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346703134] [2022-10-16 03:50:38,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:38,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:50:38,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:38,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:50:38,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:50:38,978 INFO L87 Difference]: Start difference. First operand 46464 states and 67861 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2022-10-16 03:50:40,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:40,042 INFO L93 Difference]: Finished difference Result 80505 states and 118011 transitions. [2022-10-16 03:50:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:50:40,043 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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 174 [2022-10-16 03:50:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:40,164 INFO L225 Difference]: With dead ends: 80505 [2022-10-16 03:50:40,164 INFO L226 Difference]: Without dead ends: 80505 [2022-10-16 03:50:40,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:50:40,166 INFO L413 NwaCegarLoop]: 1394 mSDtfsCounter, 2514 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:40,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 5149 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 03:50:40,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80505 states. [2022-10-16 03:50:41,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80505 to 56286. [2022-10-16 03:50:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56286 states, 56285 states have (on average 1.4602824908945544) internal successors, (82192), 56285 states have internal predecessors, (82192), 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) [2022-10-16 03:50:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56286 states to 56286 states and 82192 transitions. [2022-10-16 03:50:41,498 INFO L78 Accepts]: Start accepts. Automaton has 56286 states and 82192 transitions. Word has length 174 [2022-10-16 03:50:41,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:41,499 INFO L495 AbstractCegarLoop]: Abstraction has 56286 states and 82192 transitions. [2022-10-16 03:50:41,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2022-10-16 03:50:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 56286 states and 82192 transitions. [2022-10-16 03:50:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 03:50:41,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:41,682 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:41,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:50:41,683 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:41,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:41,684 INFO L85 PathProgramCache]: Analyzing trace with hash 773645085, now seen corresponding path program 1 times [2022-10-16 03:50:41,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:41,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239255905] [2022-10-16 03:50:41,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:41,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:42,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:42,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239255905] [2022-10-16 03:50:42,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239255905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:42,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:42,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 03:50:42,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450001819] [2022-10-16 03:50:42,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:42,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 03:50:42,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:42,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 03:50:42,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 03:50:42,433 INFO L87 Difference]: Start difference. First operand 56286 states and 82192 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 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) [2022-10-16 03:50:43,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:43,167 INFO L93 Difference]: Finished difference Result 87454 states and 128319 transitions. [2022-10-16 03:50:43,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 03:50:43,168 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 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 175 [2022-10-16 03:50:43,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:43,293 INFO L225 Difference]: With dead ends: 87454 [2022-10-16 03:50:43,293 INFO L226 Difference]: Without dead ends: 87454 [2022-10-16 03:50:43,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 03:50:43,296 INFO L413 NwaCegarLoop]: 1335 mSDtfsCounter, 2688 mSDsluCounter, 3042 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 4377 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:43,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 4377 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:50:43,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87454 states. [2022-10-16 03:50:44,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87454 to 63235. [2022-10-16 03:50:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63235 states, 63234 states have (on average 1.4628206344687984) internal successors, (92500), 63234 states have internal predecessors, (92500), 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) [2022-10-16 03:50:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63235 states to 63235 states and 92500 transitions. [2022-10-16 03:50:45,148 INFO L78 Accepts]: Start accepts. Automaton has 63235 states and 92500 transitions. Word has length 175 [2022-10-16 03:50:45,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:45,148 INFO L495 AbstractCegarLoop]: Abstraction has 63235 states and 92500 transitions. [2022-10-16 03:50:45,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 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) [2022-10-16 03:50:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 63235 states and 92500 transitions. [2022-10-16 03:50:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 03:50:45,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:45,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:45,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:50:45,249 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:45,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:45,250 INFO L85 PathProgramCache]: Analyzing trace with hash -153189903, now seen corresponding path program 1 times [2022-10-16 03:50:45,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:45,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394854600] [2022-10-16 03:50:45,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:45,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:45,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:45,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394854600] [2022-10-16 03:50:45,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394854600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:45,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:45,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:50:45,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026266873] [2022-10-16 03:50:45,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:45,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:50:45,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:45,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:50:45,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:50:45,434 INFO L87 Difference]: Start difference. First operand 63235 states and 92500 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2022-10-16 03:50:46,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:46,530 INFO L93 Difference]: Finished difference Result 125560 states and 182374 transitions. [2022-10-16 03:50:46,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:50:46,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 176 [2022-10-16 03:50:46,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:46,746 INFO L225 Difference]: With dead ends: 125560 [2022-10-16 03:50:46,746 INFO L226 Difference]: Without dead ends: 125560 [2022-10-16 03:50:46,747 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 [2022-10-16 03:50:46,747 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 324 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:46,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 569 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:50:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125560 states. [2022-10-16 03:50:48,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125560 to 125558. [2022-10-16 03:50:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125558 states, 125557 states have (on average 1.4525116082735332) internal successors, (182373), 125557 states have internal predecessors, (182373), 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) [2022-10-16 03:50:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125558 states to 125558 states and 182373 transitions. [2022-10-16 03:50:49,316 INFO L78 Accepts]: Start accepts. Automaton has 125558 states and 182373 transitions. Word has length 176 [2022-10-16 03:50:49,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:49,318 INFO L495 AbstractCegarLoop]: Abstraction has 125558 states and 182373 transitions. [2022-10-16 03:50:49,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2022-10-16 03:50:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 125558 states and 182373 transitions. [2022-10-16 03:50:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 03:50:49,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:49,528 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:49,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:50:49,529 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:49,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:49,529 INFO L85 PathProgramCache]: Analyzing trace with hash -953068783, now seen corresponding path program 1 times [2022-10-16 03:50:49,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:49,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441242712] [2022-10-16 03:50:49,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:49,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:49,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:49,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441242712] [2022-10-16 03:50:49,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441242712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:49,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:49,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:50:49,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160685659] [2022-10-16 03:50:49,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:49,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:50:49,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:49,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:50:49,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:50:49,753 INFO L87 Difference]: Start difference. First operand 125558 states and 182373 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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) [2022-10-16 03:50:51,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:51,225 INFO L93 Difference]: Finished difference Result 206061 states and 298590 transitions. [2022-10-16 03:50:51,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:50:51,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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 176 [2022-10-16 03:50:51,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:51,484 INFO L225 Difference]: With dead ends: 206061 [2022-10-16 03:50:51,484 INFO L226 Difference]: Without dead ends: 206061 [2022-10-16 03:50:51,485 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 [2022-10-16 03:50:51,485 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 2015 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:51,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 450 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 03:50:51,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206061 states. [2022-10-16 03:50:55,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206061 to 206059. [2022-10-16 03:50:55,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206059 states, 206058 states have (on average 1.4490531792019723) internal successors, (298589), 206058 states have internal predecessors, (298589), 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) [2022-10-16 03:50:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206059 states to 206059 states and 298589 transitions. [2022-10-16 03:50:56,182 INFO L78 Accepts]: Start accepts. Automaton has 206059 states and 298589 transitions. Word has length 176 [2022-10-16 03:50:56,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:50:56,182 INFO L495 AbstractCegarLoop]: Abstraction has 206059 states and 298589 transitions. [2022-10-16 03:50:56,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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) [2022-10-16 03:50:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 206059 states and 298589 transitions. [2022-10-16 03:50:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 03:50:56,383 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:50:56,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:50:56,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:50:56,383 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:50:56,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:50:56,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1357300106, now seen corresponding path program 1 times [2022-10-16 03:50:56,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:50:56,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026076679] [2022-10-16 03:50:56,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:50:56,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:50:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:50:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:50:56,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:50:56,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026076679] [2022-10-16 03:50:56,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026076679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:50:56,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:50:56,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:50:56,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216109423] [2022-10-16 03:50:56,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:50:56,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:50:56,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:50:56,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:50:56,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:50:56,631 INFO L87 Difference]: Start difference. First operand 206059 states and 298589 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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) [2022-10-16 03:50:58,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:50:58,031 INFO L93 Difference]: Finished difference Result 206059 states and 295637 transitions. [2022-10-16 03:50:58,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:50:58,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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 176 [2022-10-16 03:50:58,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:50:58,264 INFO L225 Difference]: With dead ends: 206059 [2022-10-16 03:50:58,265 INFO L226 Difference]: Without dead ends: 206059 [2022-10-16 03:50:58,265 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 [2022-10-16 03:50:58,266 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1257 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:50:58,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 287 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:50:58,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206059 states. [2022-10-16 03:51:02,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206059 to 206059. [2022-10-16 03:51:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206059 states, 206058 states have (on average 1.434727115666463) internal successors, (295637), 206058 states have internal predecessors, (295637), 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) [2022-10-16 03:51:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206059 states to 206059 states and 295637 transitions. [2022-10-16 03:51:03,263 INFO L78 Accepts]: Start accepts. Automaton has 206059 states and 295637 transitions. Word has length 176 [2022-10-16 03:51:03,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:03,266 INFO L495 AbstractCegarLoop]: Abstraction has 206059 states and 295637 transitions. [2022-10-16 03:51:03,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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) [2022-10-16 03:51:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 206059 states and 295637 transitions. [2022-10-16 03:51:03,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 03:51:03,540 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:03,540 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:03,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:51:03,540 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:03,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:03,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1621554053, now seen corresponding path program 1 times [2022-10-16 03:51:03,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:03,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163688865] [2022-10-16 03:51:03,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:03,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:03,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:03,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163688865] [2022-10-16 03:51:03,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163688865] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:03,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:03,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:51:03,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42585014] [2022-10-16 03:51:03,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:03,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:51:03,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:03,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:51:03,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:51:03,729 INFO L87 Difference]: Start difference. First operand 206059 states and 295637 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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) [2022-10-16 03:51:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:05,014 INFO L93 Difference]: Finished difference Result 103761 states and 148552 transitions. [2022-10-16 03:51:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:51:05,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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 176 [2022-10-16 03:51:05,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:05,143 INFO L225 Difference]: With dead ends: 103761 [2022-10-16 03:51:05,143 INFO L226 Difference]: Without dead ends: 103761 [2022-10-16 03:51:05,143 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 [2022-10-16 03:51:05,146 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1255 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:05,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 279 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:51:05,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103761 states. [2022-10-16 03:51:06,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103761 to 103761. [2022-10-16 03:51:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103761 states, 103760 states have (on average 1.4316885119506553) internal successors, (148552), 103760 states have internal predecessors, (148552), 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) [2022-10-16 03:51:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103761 states to 103761 states and 148552 transitions. [2022-10-16 03:51:07,369 INFO L78 Accepts]: Start accepts. Automaton has 103761 states and 148552 transitions. Word has length 176 [2022-10-16 03:51:07,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:07,371 INFO L495 AbstractCegarLoop]: Abstraction has 103761 states and 148552 transitions. [2022-10-16 03:51:07,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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) [2022-10-16 03:51:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 103761 states and 148552 transitions. [2022-10-16 03:51:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 03:51:07,466 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:07,467 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:07,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:51:07,467 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:07,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:07,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1923991146, now seen corresponding path program 1 times [2022-10-16 03:51:07,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:07,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780101260] [2022-10-16 03:51:07,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:07,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:07,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780101260] [2022-10-16 03:51:07,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780101260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:07,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:07,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:51:07,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208505697] [2022-10-16 03:51:07,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:07,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:51:07,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:07,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:51:07,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:51:07,654 INFO L87 Difference]: Start difference. First operand 103761 states and 148552 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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) [2022-10-16 03:51:08,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:08,131 INFO L93 Difference]: Finished difference Result 103761 states and 147187 transitions. [2022-10-16 03:51:08,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 03:51:08,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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 176 [2022-10-16 03:51:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:08,239 INFO L225 Difference]: With dead ends: 103761 [2022-10-16 03:51:08,239 INFO L226 Difference]: Without dead ends: 103761 [2022-10-16 03:51:08,239 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 [2022-10-16 03:51:08,240 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1253 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:08,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 271 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 03:51:08,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103761 states. [2022-10-16 03:51:10,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103761 to 103761. [2022-10-16 03:51:10,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103761 states, 103760 states have (on average 1.4185331534309946) internal successors, (147187), 103760 states have internal predecessors, (147187), 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) [2022-10-16 03:51:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103761 states to 103761 states and 147187 transitions. [2022-10-16 03:51:10,355 INFO L78 Accepts]: Start accepts. Automaton has 103761 states and 147187 transitions. Word has length 176 [2022-10-16 03:51:10,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:10,355 INFO L495 AbstractCegarLoop]: Abstraction has 103761 states and 147187 transitions. [2022-10-16 03:51:10,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 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) [2022-10-16 03:51:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 103761 states and 147187 transitions. [2022-10-16 03:51:10,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-16 03:51:10,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:10,922 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:10,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:51:10,923 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:10,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:10,923 INFO L85 PathProgramCache]: Analyzing trace with hash 637561307, now seen corresponding path program 1 times [2022-10-16 03:51:10,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:10,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940514252] [2022-10-16 03:51:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:10,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:11,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:11,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:11,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940514252] [2022-10-16 03:51:11,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940514252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:11,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:11,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:11,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919747830] [2022-10-16 03:51:11,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:11,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:11,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:11,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:11,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:11,391 INFO L87 Difference]: Start difference. First operand 103761 states and 147187 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2022-10-16 03:51:11,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:11,583 INFO L93 Difference]: Finished difference Result 61692 states and 88366 transitions. [2022-10-16 03:51:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:11,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 176 [2022-10-16 03:51:11,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:11,660 INFO L225 Difference]: With dead ends: 61692 [2022-10-16 03:51:11,660 INFO L226 Difference]: Without dead ends: 61692 [2022-10-16 03:51:11,661 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 [2022-10-16 03:51:11,663 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 189 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:11,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 691 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:11,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61692 states. [2022-10-16 03:51:12,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61692 to 61690. [2022-10-16 03:51:13,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61690 states, 61689 states have (on average 1.4324271750230997) internal successors, (88365), 61689 states have internal predecessors, (88365), 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) [2022-10-16 03:51:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61690 states to 61690 states and 88365 transitions. [2022-10-16 03:51:13,341 INFO L78 Accepts]: Start accepts. Automaton has 61690 states and 88365 transitions. Word has length 176 [2022-10-16 03:51:13,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:13,342 INFO L495 AbstractCegarLoop]: Abstraction has 61690 states and 88365 transitions. [2022-10-16 03:51:13,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2022-10-16 03:51:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 61690 states and 88365 transitions. [2022-10-16 03:51:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 03:51:13,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:13,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:13,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:51:13,447 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:13,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:13,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1965301183, now seen corresponding path program 1 times [2022-10-16 03:51:13,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:13,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037101168] [2022-10-16 03:51:13,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:13,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:13,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:13,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037101168] [2022-10-16 03:51:13,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037101168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:13,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:13,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922471133] [2022-10-16 03:51:13,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:13,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:13,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:13,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:13,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:13,723 INFO L87 Difference]: Start difference. First operand 61690 states and 88365 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2022-10-16 03:51:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:13,893 INFO L93 Difference]: Finished difference Result 31604 states and 44954 transitions. [2022-10-16 03:51:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:13,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 178 [2022-10-16 03:51:13,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:13,934 INFO L225 Difference]: With dead ends: 31604 [2022-10-16 03:51:13,934 INFO L226 Difference]: Without dead ends: 31604 [2022-10-16 03:51:13,935 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 [2022-10-16 03:51:13,937 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 185 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:13,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 656 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:13,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31604 states. [2022-10-16 03:51:14,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31604 to 31602. [2022-10-16 03:51:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31602 states, 31601 states have (on average 1.4225182747381413) internal successors, (44953), 31601 states have internal predecessors, (44953), 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) [2022-10-16 03:51:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31602 states to 31602 states and 44953 transitions. [2022-10-16 03:51:14,862 INFO L78 Accepts]: Start accepts. Automaton has 31602 states and 44953 transitions. Word has length 178 [2022-10-16 03:51:14,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:14,863 INFO L495 AbstractCegarLoop]: Abstraction has 31602 states and 44953 transitions. [2022-10-16 03:51:14,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2022-10-16 03:51:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 31602 states and 44953 transitions. [2022-10-16 03:51:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 03:51:14,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:14,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:14,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 03:51:14,888 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:14,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:14,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2024285505, now seen corresponding path program 1 times [2022-10-16 03:51:14,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:14,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286318196] [2022-10-16 03:51:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:14,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:15,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:15,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286318196] [2022-10-16 03:51:15,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286318196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:15,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:15,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:15,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829168340] [2022-10-16 03:51:15,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:15,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:15,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:15,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:15,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:15,116 INFO L87 Difference]: Start difference. First operand 31602 states and 44953 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2022-10-16 03:51:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:15,189 INFO L93 Difference]: Finished difference Result 16327 states and 23033 transitions. [2022-10-16 03:51:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:15,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 178 [2022-10-16 03:51:15,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:15,208 INFO L225 Difference]: With dead ends: 16327 [2022-10-16 03:51:15,208 INFO L226 Difference]: Without dead ends: 16327 [2022-10-16 03:51:15,209 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 [2022-10-16 03:51:15,210 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 183 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:15,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 620 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:15,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16327 states. [2022-10-16 03:51:15,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16327 to 16325. [2022-10-16 03:51:15,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16325 states, 16324 states have (on average 1.4109286939475618) internal successors, (23032), 16324 states have internal predecessors, (23032), 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) [2022-10-16 03:51:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16325 states to 16325 states and 23032 transitions. [2022-10-16 03:51:15,623 INFO L78 Accepts]: Start accepts. Automaton has 16325 states and 23032 transitions. Word has length 178 [2022-10-16 03:51:15,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:15,623 INFO L495 AbstractCegarLoop]: Abstraction has 16325 states and 23032 transitions. [2022-10-16 03:51:15,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2022-10-16 03:51:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 16325 states and 23032 transitions. [2022-10-16 03:51:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 03:51:15,845 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:15,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:15,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 03:51:15,851 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:15,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:15,852 INFO L85 PathProgramCache]: Analyzing trace with hash -168442411, now seen corresponding path program 1 times [2022-10-16 03:51:15,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:15,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897712613] [2022-10-16 03:51:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:15,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:16,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:16,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897712613] [2022-10-16 03:51:16,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897712613] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:16,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:16,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:16,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808274130] [2022-10-16 03:51:16,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:16,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:16,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:16,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:16,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:16,085 INFO L87 Difference]: Start difference. First operand 16325 states and 23032 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2022-10-16 03:51:16,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:16,126 INFO L93 Difference]: Finished difference Result 8358 states and 11681 transitions. [2022-10-16 03:51:16,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:16,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 178 [2022-10-16 03:51:16,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:16,137 INFO L225 Difference]: With dead ends: 8358 [2022-10-16 03:51:16,138 INFO L226 Difference]: Without dead ends: 8358 [2022-10-16 03:51:16,138 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 [2022-10-16 03:51:16,140 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 146 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:16,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 570 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:16,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8358 states. [2022-10-16 03:51:16,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8358 to 8356. [2022-10-16 03:51:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8356 states, 8355 states have (on average 1.397965290245362) internal successors, (11680), 8355 states have internal predecessors, (11680), 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) [2022-10-16 03:51:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8356 states to 8356 states and 11680 transitions. [2022-10-16 03:51:16,281 INFO L78 Accepts]: Start accepts. Automaton has 8356 states and 11680 transitions. Word has length 178 [2022-10-16 03:51:16,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:16,281 INFO L495 AbstractCegarLoop]: Abstraction has 8356 states and 11680 transitions. [2022-10-16 03:51:16,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2022-10-16 03:51:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 8356 states and 11680 transitions. [2022-10-16 03:51:16,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 03:51:16,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:16,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:16,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 03:51:16,289 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:16,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:16,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1887439362, now seen corresponding path program 1 times [2022-10-16 03:51:16,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:16,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808351316] [2022-10-16 03:51:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:16,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:17,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:17,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808351316] [2022-10-16 03:51:17,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808351316] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:17,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:17,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:51:17,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151163199] [2022-10-16 03:51:17,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:17,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:51:17,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:17,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:51:17,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:51:17,208 INFO L87 Difference]: Start difference. First operand 8356 states and 11680 transitions. Second operand has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 13 states have internal predecessors, (178), 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) [2022-10-16 03:51:19,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:19,764 INFO L93 Difference]: Finished difference Result 57200 states and 79653 transitions. [2022-10-16 03:51:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 03:51:19,765 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 13 states have internal predecessors, (178), 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 178 [2022-10-16 03:51:19,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:19,818 INFO L225 Difference]: With dead ends: 57200 [2022-10-16 03:51:19,818 INFO L226 Difference]: Without dead ends: 57200 [2022-10-16 03:51:19,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=433, Invalid=1547, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 03:51:19,821 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 5923 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5923 SdHoareTripleChecker+Valid, 1976 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:19,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5923 Valid, 1976 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:51:19,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57200 states. [2022-10-16 03:51:20,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57200 to 8472. [2022-10-16 03:51:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8472 states, 8471 states have (on average 1.3973556840986896) internal successors, (11837), 8471 states have internal predecessors, (11837), 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) [2022-10-16 03:51:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8472 states to 8472 states and 11837 transitions. [2022-10-16 03:51:20,314 INFO L78 Accepts]: Start accepts. Automaton has 8472 states and 11837 transitions. Word has length 178 [2022-10-16 03:51:20,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:20,314 INFO L495 AbstractCegarLoop]: Abstraction has 8472 states and 11837 transitions. [2022-10-16 03:51:20,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 13 states have internal predecessors, (178), 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) [2022-10-16 03:51:20,314 INFO L276 IsEmpty]: Start isEmpty. Operand 8472 states and 11837 transitions. [2022-10-16 03:51:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 03:51:20,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:20,320 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:20,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 03:51:20,320 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:20,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:20,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1622455026, now seen corresponding path program 1 times [2022-10-16 03:51:20,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:20,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164538471] [2022-10-16 03:51:20,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:20,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:20,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:20,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164538471] [2022-10-16 03:51:20,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164538471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:20,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:20,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:20,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902600422] [2022-10-16 03:51:20,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:20,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:20,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:20,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:20,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:20,528 INFO L87 Difference]: Start difference. First operand 8472 states and 11837 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2022-10-16 03:51:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:20,560 INFO L93 Difference]: Finished difference Result 4450 states and 6143 transitions. [2022-10-16 03:51:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:20,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 178 [2022-10-16 03:51:20,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:20,566 INFO L225 Difference]: With dead ends: 4450 [2022-10-16 03:51:20,567 INFO L226 Difference]: Without dead ends: 4450 [2022-10-16 03:51:20,567 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 [2022-10-16 03:51:20,568 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 137 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:20,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 522 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:51:20,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4450 states. [2022-10-16 03:51:20,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4450 to 4448. [2022-10-16 03:51:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4448 states, 4447 states have (on average 1.381155835394648) internal successors, (6142), 4447 states have internal predecessors, (6142), 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) [2022-10-16 03:51:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 4448 states and 6142 transitions. [2022-10-16 03:51:20,640 INFO L78 Accepts]: Start accepts. Automaton has 4448 states and 6142 transitions. Word has length 178 [2022-10-16 03:51:20,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:20,641 INFO L495 AbstractCegarLoop]: Abstraction has 4448 states and 6142 transitions. [2022-10-16 03:51:20,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2022-10-16 03:51:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4448 states and 6142 transitions. [2022-10-16 03:51:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 03:51:20,646 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:20,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:20,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 03:51:20,647 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:20,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:20,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1983319032, now seen corresponding path program 1 times [2022-10-16 03:51:20,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:20,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612376921] [2022-10-16 03:51:20,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:20,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:21,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:21,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612376921] [2022-10-16 03:51:21,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612376921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:21,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:21,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:51:21,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532087449] [2022-10-16 03:51:21,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:21,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:51:21,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:21,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:51:21,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:51:21,742 INFO L87 Difference]: Start difference. First operand 4448 states and 6142 transitions. Second operand has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 13 states have internal predecessors, (178), 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) [2022-10-16 03:51:23,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:23,670 INFO L93 Difference]: Finished difference Result 19525 states and 27010 transitions. [2022-10-16 03:51:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:51:23,671 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 13 states have internal predecessors, (178), 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 178 [2022-10-16 03:51:23,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:23,691 INFO L225 Difference]: With dead ends: 19525 [2022-10-16 03:51:23,691 INFO L226 Difference]: Without dead ends: 19525 [2022-10-16 03:51:23,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=252, Invalid=740, Unknown=0, NotChecked=0, Total=992 [2022-10-16 03:51:23,692 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 1719 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1719 SdHoareTripleChecker+Valid, 3092 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:23,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1719 Valid, 3092 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2351 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:51:23,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19525 states. [2022-10-16 03:51:23,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19525 to 6061. [2022-10-16 03:51:23,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6061 states, 6060 states have (on average 1.3716171617161717) internal successors, (8312), 6060 states have internal predecessors, (8312), 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) [2022-10-16 03:51:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6061 states to 6061 states and 8312 transitions. [2022-10-16 03:51:23,929 INFO L78 Accepts]: Start accepts. Automaton has 6061 states and 8312 transitions. Word has length 178 [2022-10-16 03:51:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:23,930 INFO L495 AbstractCegarLoop]: Abstraction has 6061 states and 8312 transitions. [2022-10-16 03:51:23,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 13 states have internal predecessors, (178), 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) [2022-10-16 03:51:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 6061 states and 8312 transitions. [2022-10-16 03:51:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 03:51:23,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:23,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:23,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 03:51:23,936 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:23,936 INFO L85 PathProgramCache]: Analyzing trace with hash -2011246396, now seen corresponding path program 1 times [2022-10-16 03:51:23,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:23,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824451015] [2022-10-16 03:51:23,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:23,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:24,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:24,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824451015] [2022-10-16 03:51:24,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824451015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:24,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:24,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:51:24,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629694902] [2022-10-16 03:51:24,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:24,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:51:24,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:24,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:51:24,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:51:24,429 INFO L87 Difference]: Start difference. First operand 6061 states and 8312 transitions. Second operand has 10 states, 10 states have (on average 17.9) internal successors, (179), 9 states have internal predecessors, (179), 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) [2022-10-16 03:51:25,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:25,677 INFO L93 Difference]: Finished difference Result 30671 states and 42060 transitions. [2022-10-16 03:51:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:51:25,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.9) internal successors, (179), 9 states have internal predecessors, (179), 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 179 [2022-10-16 03:51:25,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:25,711 INFO L225 Difference]: With dead ends: 30671 [2022-10-16 03:51:25,712 INFO L226 Difference]: Without dead ends: 30671 [2022-10-16 03:51:25,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2022-10-16 03:51:25,713 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 4104 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4104 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:25,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4104 Valid, 1198 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:51:25,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30671 states. [2022-10-16 03:51:26,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30671 to 6085. [2022-10-16 03:51:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6085 states, 6084 states have (on average 1.3701512163050624) internal successors, (8336), 6084 states have internal predecessors, (8336), 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) [2022-10-16 03:51:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6085 states to 6085 states and 8336 transitions. [2022-10-16 03:51:26,084 INFO L78 Accepts]: Start accepts. Automaton has 6085 states and 8336 transitions. Word has length 179 [2022-10-16 03:51:26,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:26,084 INFO L495 AbstractCegarLoop]: Abstraction has 6085 states and 8336 transitions. [2022-10-16 03:51:26,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.9) internal successors, (179), 9 states have internal predecessors, (179), 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) [2022-10-16 03:51:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 6085 states and 8336 transitions. [2022-10-16 03:51:26,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 03:51:26,088 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:26,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:26,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 03:51:26,089 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:26,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:26,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1488605578, now seen corresponding path program 1 times [2022-10-16 03:51:26,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:26,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82065166] [2022-10-16 03:51:26,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:26,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:26,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:26,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82065166] [2022-10-16 03:51:26,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82065166] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:26,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:26,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-16 03:51:26,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864013480] [2022-10-16 03:51:26,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:26,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 03:51:26,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:26,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 03:51:26,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-10-16 03:51:26,884 INFO L87 Difference]: Start difference. First operand 6085 states and 8336 transitions. Second operand has 14 states, 14 states have (on average 12.785714285714286) internal successors, (179), 13 states have internal predecessors, (179), 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) [2022-10-16 03:51:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:28,439 INFO L93 Difference]: Finished difference Result 23849 states and 32994 transitions. [2022-10-16 03:51:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 03:51:28,439 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.785714285714286) internal successors, (179), 13 states have internal predecessors, (179), 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 179 [2022-10-16 03:51:28,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:28,464 INFO L225 Difference]: With dead ends: 23849 [2022-10-16 03:51:28,464 INFO L226 Difference]: Without dead ends: 23849 [2022-10-16 03:51:28,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=244, Invalid=686, Unknown=0, NotChecked=0, Total=930 [2022-10-16 03:51:28,472 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 3680 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:28,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3680 Valid, 2101 Invalid, 1671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 03:51:28,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23849 states. [2022-10-16 03:51:28,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23849 to 7953. [2022-10-16 03:51:28,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7953 states, 7952 states have (on average 1.3490945674044266) internal successors, (10728), 7952 states have internal predecessors, (10728), 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) [2022-10-16 03:51:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7953 states to 7953 states and 10728 transitions. [2022-10-16 03:51:28,760 INFO L78 Accepts]: Start accepts. Automaton has 7953 states and 10728 transitions. Word has length 179 [2022-10-16 03:51:28,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:28,762 INFO L495 AbstractCegarLoop]: Abstraction has 7953 states and 10728 transitions. [2022-10-16 03:51:28,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.785714285714286) internal successors, (179), 13 states have internal predecessors, (179), 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) [2022-10-16 03:51:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 7953 states and 10728 transitions. [2022-10-16 03:51:28,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-10-16 03:51:28,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:28,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:28,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 03:51:28,771 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:28,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:28,771 INFO L85 PathProgramCache]: Analyzing trace with hash 915099776, now seen corresponding path program 1 times [2022-10-16 03:51:28,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:28,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050302766] [2022-10-16 03:51:28,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:28,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:29,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:29,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050302766] [2022-10-16 03:51:29,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050302766] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:29,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:29,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:51:29,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866476808] [2022-10-16 03:51:29,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:29,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:51:29,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:29,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:51:29,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:51:29,289 INFO L87 Difference]: Start difference. First operand 7953 states and 10728 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 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) [2022-10-16 03:51:31,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:31,185 INFO L93 Difference]: Finished difference Result 33691 states and 45294 transitions. [2022-10-16 03:51:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:51:31,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 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 180 [2022-10-16 03:51:31,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:31,216 INFO L225 Difference]: With dead ends: 33691 [2022-10-16 03:51:31,216 INFO L226 Difference]: Without dead ends: 33691 [2022-10-16 03:51:31,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:51:31,217 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 2083 mSDsluCounter, 2368 mSDsCounter, 0 mSdLazyCounter, 2309 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2083 SdHoareTripleChecker+Valid, 2981 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:31,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2083 Valid, 2981 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2309 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 03:51:31,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33691 states. [2022-10-16 03:51:31,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33691 to 8065. [2022-10-16 03:51:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8065 states, 8064 states have (on average 1.3458581349206349) internal successors, (10853), 8064 states have internal predecessors, (10853), 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) [2022-10-16 03:51:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8065 states to 8065 states and 10853 transitions. [2022-10-16 03:51:31,515 INFO L78 Accepts]: Start accepts. Automaton has 8065 states and 10853 transitions. Word has length 180 [2022-10-16 03:51:31,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:31,516 INFO L495 AbstractCegarLoop]: Abstraction has 8065 states and 10853 transitions. [2022-10-16 03:51:31,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 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) [2022-10-16 03:51:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 8065 states and 10853 transitions. [2022-10-16 03:51:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-10-16 03:51:31,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:31,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:31,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 03:51:31,522 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:31,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:31,523 INFO L85 PathProgramCache]: Analyzing trace with hash 33379822, now seen corresponding path program 1 times [2022-10-16 03:51:31,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:31,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537588860] [2022-10-16 03:51:31,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:31,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:31,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:31,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537588860] [2022-10-16 03:51:31,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537588860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:31,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:31,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:31,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65941071] [2022-10-16 03:51:31,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:31,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:31,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:31,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:31,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:31,604 INFO L87 Difference]: Start difference. First operand 8065 states and 10853 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2022-10-16 03:51:31,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:31,720 INFO L93 Difference]: Finished difference Result 7895 states and 10557 transitions. [2022-10-16 03:51:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:31,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 181 [2022-10-16 03:51:31,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:31,729 INFO L225 Difference]: With dead ends: 7895 [2022-10-16 03:51:31,729 INFO L226 Difference]: Without dead ends: 7895 [2022-10-16 03:51:31,729 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 [2022-10-16 03:51:31,730 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 207 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:31,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 336 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:51:31,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7895 states. [2022-10-16 03:51:31,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7895 to 7895. [2022-10-16 03:51:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7895 states, 7894 states have (on average 1.3373448188497594) internal successors, (10557), 7894 states have internal predecessors, (10557), 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) [2022-10-16 03:51:31,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7895 states to 7895 states and 10557 transitions. [2022-10-16 03:51:31,898 INFO L78 Accepts]: Start accepts. Automaton has 7895 states and 10557 transitions. Word has length 181 [2022-10-16 03:51:31,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:31,899 INFO L495 AbstractCegarLoop]: Abstraction has 7895 states and 10557 transitions. [2022-10-16 03:51:31,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2022-10-16 03:51:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 7895 states and 10557 transitions. [2022-10-16 03:51:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-10-16 03:51:31,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:31,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:31,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 03:51:31,908 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:31,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:31,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1048155444, now seen corresponding path program 1 times [2022-10-16 03:51:31,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:31,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617518304] [2022-10-16 03:51:31,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:31,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:32,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:32,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617518304] [2022-10-16 03:51:32,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617518304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:32,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:32,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:51:32,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745126822] [2022-10-16 03:51:32,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:32,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:51:32,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:32,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:51:32,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:51:32,418 INFO L87 Difference]: Start difference. First operand 7895 states and 10557 transitions. Second operand has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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) [2022-10-16 03:51:33,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:33,664 INFO L93 Difference]: Finished difference Result 26707 states and 36106 transitions. [2022-10-16 03:51:33,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:51:33,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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 181 [2022-10-16 03:51:33,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:33,692 INFO L225 Difference]: With dead ends: 26707 [2022-10-16 03:51:33,692 INFO L226 Difference]: Without dead ends: 26707 [2022-10-16 03:51:33,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:51:33,693 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1960 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:33,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 1710 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:51:33,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26707 states. [2022-10-16 03:51:33,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26707 to 12518. [2022-10-16 03:51:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12518 states, 12517 states have (on average 1.3320284413198051) internal successors, (16673), 12517 states have internal predecessors, (16673), 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) [2022-10-16 03:51:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12518 states to 12518 states and 16673 transitions. [2022-10-16 03:51:33,948 INFO L78 Accepts]: Start accepts. Automaton has 12518 states and 16673 transitions. Word has length 181 [2022-10-16 03:51:33,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:33,948 INFO L495 AbstractCegarLoop]: Abstraction has 12518 states and 16673 transitions. [2022-10-16 03:51:33,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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) [2022-10-16 03:51:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 12518 states and 16673 transitions. [2022-10-16 03:51:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-10-16 03:51:33,958 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:33,958 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:33,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 03:51:33,958 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:33,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:33,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1318369039, now seen corresponding path program 1 times [2022-10-16 03:51:33,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:33,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772747872] [2022-10-16 03:51:33,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:34,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:34,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772747872] [2022-10-16 03:51:34,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772747872] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:34,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:34,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:51:34,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573533827] [2022-10-16 03:51:34,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:34,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:51:34,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:34,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:51:34,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:51:34,474 INFO L87 Difference]: Start difference. First operand 12518 states and 16673 transitions. Second operand has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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) [2022-10-16 03:51:35,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:35,651 INFO L93 Difference]: Finished difference Result 25891 states and 34773 transitions. [2022-10-16 03:51:35,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 03:51:35,652 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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 181 [2022-10-16 03:51:35,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:35,675 INFO L225 Difference]: With dead ends: 25891 [2022-10-16 03:51:35,676 INFO L226 Difference]: Without dead ends: 25891 [2022-10-16 03:51:35,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-10-16 03:51:35,677 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 1084 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1084 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:35,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1084 Valid, 1989 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:51:35,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25891 states. [2022-10-16 03:51:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25891 to 16491. [2022-10-16 03:51:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16491 states, 16490 states have (on average 1.315767131594906) internal successors, (21697), 16490 states have internal predecessors, (21697), 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) [2022-10-16 03:51:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16491 states to 16491 states and 21697 transitions. [2022-10-16 03:51:35,901 INFO L78 Accepts]: Start accepts. Automaton has 16491 states and 21697 transitions. Word has length 181 [2022-10-16 03:51:35,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:35,902 INFO L495 AbstractCegarLoop]: Abstraction has 16491 states and 21697 transitions. [2022-10-16 03:51:35,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 9 states have internal predecessors, (181), 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) [2022-10-16 03:51:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 16491 states and 21697 transitions. [2022-10-16 03:51:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 03:51:35,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:35,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:35,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 03:51:35,916 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:35,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:35,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1632788181, now seen corresponding path program 1 times [2022-10-16 03:51:35,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:35,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865605287] [2022-10-16 03:51:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:35,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:36,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:36,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865605287] [2022-10-16 03:51:36,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865605287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:36,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:36,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:51:36,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831511428] [2022-10-16 03:51:36,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:36,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:51:36,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:36,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:51:36,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:51:36,794 INFO L87 Difference]: Start difference. First operand 16491 states and 21697 transitions. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 11 states have internal predecessors, (182), 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) [2022-10-16 03:51:39,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:39,547 INFO L93 Difference]: Finished difference Result 36728 states and 49004 transitions. [2022-10-16 03:51:39,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 03:51:39,548 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 11 states have internal predecessors, (182), 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 182 [2022-10-16 03:51:39,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:39,584 INFO L225 Difference]: With dead ends: 36728 [2022-10-16 03:51:39,584 INFO L226 Difference]: Without dead ends: 36728 [2022-10-16 03:51:39,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 03:51:39,585 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 2146 mSDsluCounter, 2066 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 2526 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:39,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2146 Valid, 2526 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 03:51:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36728 states. [2022-10-16 03:51:39,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36728 to 14425. [2022-10-16 03:51:39,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14425 states, 14424 states have (on average 1.319328896283971) internal successors, (19030), 14424 states have internal predecessors, (19030), 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) [2022-10-16 03:51:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14425 states to 14425 states and 19030 transitions. [2022-10-16 03:51:39,935 INFO L78 Accepts]: Start accepts. Automaton has 14425 states and 19030 transitions. Word has length 182 [2022-10-16 03:51:39,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:39,935 INFO L495 AbstractCegarLoop]: Abstraction has 14425 states and 19030 transitions. [2022-10-16 03:51:39,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 11 states have internal predecessors, (182), 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) [2022-10-16 03:51:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 14425 states and 19030 transitions. [2022-10-16 03:51:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 03:51:39,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:39,953 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:39,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 03:51:39,954 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:39,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:39,955 INFO L85 PathProgramCache]: Analyzing trace with hash 913055011, now seen corresponding path program 1 times [2022-10-16 03:51:39,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:39,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508835810] [2022-10-16 03:51:39,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:40,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:40,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508835810] [2022-10-16 03:51:40,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508835810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:40,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:40,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:51:40,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205077303] [2022-10-16 03:51:40,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:40,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:51:40,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:40,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:51:40,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:51:40,051 INFO L87 Difference]: Start difference. First operand 14425 states and 19030 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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) [2022-10-16 03:51:40,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:40,164 INFO L93 Difference]: Finished difference Result 9782 states and 12820 transitions. [2022-10-16 03:51:40,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:51:40,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 182 [2022-10-16 03:51:40,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:40,176 INFO L225 Difference]: With dead ends: 9782 [2022-10-16 03:51:40,176 INFO L226 Difference]: Without dead ends: 9782 [2022-10-16 03:51:40,176 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 [2022-10-16 03:51:40,177 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 229 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:40,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 290 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:51:40,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9782 states. [2022-10-16 03:51:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9782 to 9782. [2022-10-16 03:51:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9782 states, 9781 states have (on average 1.3107044269502095) internal successors, (12820), 9781 states have internal predecessors, (12820), 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) [2022-10-16 03:51:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9782 states to 9782 states and 12820 transitions. [2022-10-16 03:51:40,311 INFO L78 Accepts]: Start accepts. Automaton has 9782 states and 12820 transitions. Word has length 182 [2022-10-16 03:51:40,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:40,312 INFO L495 AbstractCegarLoop]: Abstraction has 9782 states and 12820 transitions. [2022-10-16 03:51:40,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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) [2022-10-16 03:51:40,312 INFO L276 IsEmpty]: Start isEmpty. Operand 9782 states and 12820 transitions. [2022-10-16 03:51:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 03:51:40,327 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:40,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:40,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 03:51:40,328 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:40,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:40,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1439883034, now seen corresponding path program 1 times [2022-10-16 03:51:40,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:40,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645926458] [2022-10-16 03:51:40,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:40,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:41,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:41,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645926458] [2022-10-16 03:51:41,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645926458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:41,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:41,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:51:41,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200424818] [2022-10-16 03:51:41,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:41,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:51:41,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:41,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:51:41,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:51:41,271 INFO L87 Difference]: Start difference. First operand 9782 states and 12820 transitions. Second operand has 13 states, 13 states have (on average 14.0) internal successors, (182), 12 states have internal predecessors, (182), 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) [2022-10-16 03:51:42,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:42,891 INFO L93 Difference]: Finished difference Result 17613 states and 23544 transitions. [2022-10-16 03:51:42,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 03:51:42,891 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 14.0) internal successors, (182), 12 states have internal predecessors, (182), 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 182 [2022-10-16 03:51:42,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:42,907 INFO L225 Difference]: With dead ends: 17613 [2022-10-16 03:51:42,907 INFO L226 Difference]: Without dead ends: 17613 [2022-10-16 03:51:42,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2022-10-16 03:51:42,908 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 3299 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3299 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:42,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3299 Valid, 1633 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 03:51:42,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17613 states. [2022-10-16 03:51:43,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17613 to 7892. [2022-10-16 03:51:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7892 states, 7891 states have (on average 1.318337346343936) internal successors, (10403), 7891 states have internal predecessors, (10403), 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) [2022-10-16 03:51:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7892 states to 7892 states and 10403 transitions. [2022-10-16 03:51:43,032 INFO L78 Accepts]: Start accepts. Automaton has 7892 states and 10403 transitions. Word has length 182 [2022-10-16 03:51:43,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:43,032 INFO L495 AbstractCegarLoop]: Abstraction has 7892 states and 10403 transitions. [2022-10-16 03:51:43,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.0) internal successors, (182), 12 states have internal predecessors, (182), 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) [2022-10-16 03:51:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 7892 states and 10403 transitions. [2022-10-16 03:51:43,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 03:51:43,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:43,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:43,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 03:51:43,039 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:43,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:43,040 INFO L85 PathProgramCache]: Analyzing trace with hash -818920077, now seen corresponding path program 1 times [2022-10-16 03:51:43,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:43,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853402581] [2022-10-16 03:51:43,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:43,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:43,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:43,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853402581] [2022-10-16 03:51:43,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853402581] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:43,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:43,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 03:51:43,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834800654] [2022-10-16 03:51:43,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:43,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 03:51:43,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:43,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 03:51:43,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 03:51:43,513 INFO L87 Difference]: Start difference. First operand 7892 states and 10403 transitions. Second operand has 10 states, 10 states have (on average 18.2) internal successors, (182), 9 states have internal predecessors, (182), 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) [2022-10-16 03:51:44,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:44,841 INFO L93 Difference]: Finished difference Result 30087 states and 39723 transitions. [2022-10-16 03:51:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 03:51:44,842 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.2) internal successors, (182), 9 states have internal predecessors, (182), 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 182 [2022-10-16 03:51:44,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:44,873 INFO L225 Difference]: With dead ends: 30087 [2022-10-16 03:51:44,873 INFO L226 Difference]: Without dead ends: 30087 [2022-10-16 03:51:44,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2022-10-16 03:51:44,874 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 1924 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:44,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 1767 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 03:51:44,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30087 states. [2022-10-16 03:51:45,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30087 to 18330. [2022-10-16 03:51:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18330 states, 18329 states have (on average 1.2990888755524033) internal successors, (23811), 18329 states have internal predecessors, (23811), 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) [2022-10-16 03:51:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18330 states to 18330 states and 23811 transitions. [2022-10-16 03:51:45,260 INFO L78 Accepts]: Start accepts. Automaton has 18330 states and 23811 transitions. Word has length 182 [2022-10-16 03:51:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:45,261 INFO L495 AbstractCegarLoop]: Abstraction has 18330 states and 23811 transitions. [2022-10-16 03:51:45,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.2) internal successors, (182), 9 states have internal predecessors, (182), 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) [2022-10-16 03:51:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 18330 states and 23811 transitions. [2022-10-16 03:51:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 03:51:45,284 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:45,285 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:45,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 03:51:45,285 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:45,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1536016433, now seen corresponding path program 1 times [2022-10-16 03:51:45,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:45,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187287319] [2022-10-16 03:51:45,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:45,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:46,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:46,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187287319] [2022-10-16 03:51:46,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187287319] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:46,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:46,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 03:51:46,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278209541] [2022-10-16 03:51:46,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:46,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 03:51:46,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:46,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 03:51:46,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-10-16 03:51:46,142 INFO L87 Difference]: Start difference. First operand 18330 states and 23811 transitions. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 12 states have internal predecessors, (183), 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) [2022-10-16 03:51:50,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:50,884 INFO L93 Difference]: Finished difference Result 85514 states and 111823 transitions. [2022-10-16 03:51:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-16 03:51:50,884 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 12 states have internal predecessors, (183), 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 183 [2022-10-16 03:51:50,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:50,967 INFO L225 Difference]: With dead ends: 85514 [2022-10-16 03:51:50,967 INFO L226 Difference]: Without dead ends: 85514 [2022-10-16 03:51:50,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=970, Invalid=4000, Unknown=0, NotChecked=0, Total=4970 [2022-10-16 03:51:50,969 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 6890 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6890 SdHoareTripleChecker+Valid, 2610 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:50,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6890 Valid, 2610 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 03:51:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85514 states. [2022-10-16 03:51:51,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85514 to 27420. [2022-10-16 03:51:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27420 states, 27419 states have (on average 1.2819212954520587) internal successors, (35149), 27419 states have internal predecessors, (35149), 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) [2022-10-16 03:51:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27420 states to 27420 states and 35149 transitions. [2022-10-16 03:51:51,789 INFO L78 Accepts]: Start accepts. Automaton has 27420 states and 35149 transitions. Word has length 183 [2022-10-16 03:51:51,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:51:51,790 INFO L495 AbstractCegarLoop]: Abstraction has 27420 states and 35149 transitions. [2022-10-16 03:51:51,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 12 states have internal predecessors, (183), 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) [2022-10-16 03:51:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 27420 states and 35149 transitions. [2022-10-16 03:51:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 03:51:51,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:51:51,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:51:51,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 03:51:51,819 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:51:51,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:51:51,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1408992054, now seen corresponding path program 1 times [2022-10-16 03:51:51,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:51:51,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060457999] [2022-10-16 03:51:51,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:51:51,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:51:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:51:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:51:52,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:51:52,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060457999] [2022-10-16 03:51:52,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060457999] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:51:52,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:51:52,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 03:51:52,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372369417] [2022-10-16 03:51:52,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:51:52,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 03:51:52,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:51:52,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 03:51:52,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-16 03:51:52,803 INFO L87 Difference]: Start difference. First operand 27420 states and 35149 transitions. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 11 states have internal predecessors, (183), 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) [2022-10-16 03:51:55,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:51:55,407 INFO L93 Difference]: Finished difference Result 49582 states and 64520 transitions. [2022-10-16 03:51:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 03:51:55,407 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 11 states have internal predecessors, (183), 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 183 [2022-10-16 03:51:55,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:51:55,457 INFO L225 Difference]: With dead ends: 49582 [2022-10-16 03:51:55,457 INFO L226 Difference]: Without dead ends: 49582 [2022-10-16 03:51:55,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 03:51:55,458 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 2452 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2452 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:51:55,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2452 Valid, 2088 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1613 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 03:51:55,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49582 states.