/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/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:23:28,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:23:28,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:23:28,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 17:23:28,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:23:28,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:23:28,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:23:28,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:23:28,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:23:28,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:23:28,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:23:28,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:23:28,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:23:28,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:23:28,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:23:28,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:23:28,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:23:28,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:23:28,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:23:28,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:23:28,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 17:23:28,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:23:28,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:23:28,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:23:28,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:23:28,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:23:28,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:23:28,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:23:28,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:23:28,820 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:23:28,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:23:28,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:23:28,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:23:28,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:23:28,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:23:28,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:23:28,823 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:23:28,823 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:23:28,823 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:23:28,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:23:28,823 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:23:28,824 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:23:28,824 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:23:28,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:23:28,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:23:28,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:23:28,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:23:28,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:23:28,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:23:28,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:23:28,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:23:28,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:23:29,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:23:29,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:23:29,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:23:29,355 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:23:29,356 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:23:29,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c [2022-10-15 17:23:29,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4832d1c12/a39a88ebdf8243d5bb3676bf4b2cfa18/FLAG48cff933b [2022-10-15 17:23:30,109 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:23:30,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c [2022-10-15 17:23:30,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4832d1c12/a39a88ebdf8243d5bb3676bf4b2cfa18/FLAG48cff933b [2022-10-15 17:23:30,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4832d1c12/a39a88ebdf8243d5bb3676bf4b2cfa18 [2022-10-15 17:23:30,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:23:30,425 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:23:30,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:23:30,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:23:30,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:23:30,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:30,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5358ea87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30, skipping insertion in model container [2022-10-15 17:23:30,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:30,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:23:30,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:23:30,847 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/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c[14373,14386] [2022-10-15 17:23:30,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:23:30,865 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:23:30,934 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/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c[14373,14386] [2022-10-15 17:23:30,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:23:30,957 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:23:30,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30 WrapperNode [2022-10-15 17:23:30,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:23:30,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:23:30,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:23:30,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:23:30,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:30,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,052 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 479 [2022-10-15 17:23:31,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:23:31,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:23:31,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:23:31,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:23:31,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:23:31,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:23:31,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:23:31,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:23:31,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (1/1) ... [2022-10-15 17:23:31,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:23:31,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:23:31,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 17:23:31,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 17:23:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:23:31,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:23:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:23:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:23:31,473 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:23:31,482 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:23:32,470 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:23:32,488 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:23:32,489 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 17:23:32,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:23:32 BoogieIcfgContainer [2022-10-15 17:23:32,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:23:32,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:23:32,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:23:32,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:23:32,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:23:30" (1/3) ... [2022-10-15 17:23:32,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2189f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:23:32, skipping insertion in model container [2022-10-15 17:23:32,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:23:30" (2/3) ... [2022-10-15 17:23:32,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2189f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:23:32, skipping insertion in model container [2022-10-15 17:23:32,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:23:32" (3/3) ... [2022-10-15 17:23:32,511 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c [2022-10-15 17:23:32,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:23:32,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:23:32,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:23:32,608 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;@69deed42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:23:32,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:23:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 141 states have (on average 1.7659574468085106) internal successors, (249), 143 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 17:23:32,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:32,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:32,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:32,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:32,634 INFO L85 PathProgramCache]: Analyzing trace with hash 9221419, now seen corresponding path program 1 times [2022-10-15 17:23:32,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:32,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220747560] [2022-10-15 17:23:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:32,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:33,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:33,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220747560] [2022-10-15 17:23:33,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220747560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:33,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:33,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:23:33,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241779623] [2022-10-15 17:23:33,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:33,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 17:23:33,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:33,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 17:23:33,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 17:23:33,071 INFO L87 Difference]: Start difference. First operand has 144 states, 141 states have (on average 1.7659574468085106) internal successors, (249), 143 states have internal predecessors, (249), 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 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:33,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:33,108 INFO L93 Difference]: Finished difference Result 144 states and 246 transitions. [2022-10-15 17:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 17:23:33,112 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2022-10-15 17:23:33,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:33,127 INFO L225 Difference]: With dead ends: 144 [2022-10-15 17:23:33,127 INFO L226 Difference]: Without dead ends: 142 [2022-10-15 17:23:33,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 17:23:33,135 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:33,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:33,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-10-15 17:23:33,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-10-15 17:23:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 140 states have (on average 1.7428571428571429) internal successors, (244), 141 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 244 transitions. [2022-10-15 17:23:33,203 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 244 transitions. Word has length 22 [2022-10-15 17:23:33,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:33,204 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 244 transitions. [2022-10-15 17:23:33,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 244 transitions. [2022-10-15 17:23:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 17:23:33,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:33,206 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] [2022-10-15 17:23:33,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:23:33,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:33,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:33,208 INFO L85 PathProgramCache]: Analyzing trace with hash 11068461, now seen corresponding path program 1 times [2022-10-15 17:23:33,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:33,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440572577] [2022-10-15 17:23:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:33,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:33,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:33,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440572577] [2022-10-15 17:23:33,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440572577] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:33,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:33,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:23:33,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427747024] [2022-10-15 17:23:33,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:33,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:23:33,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:33,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:23:33,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:33,581 INFO L87 Difference]: Start difference. First operand 142 states and 244 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:33,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:33,735 INFO L93 Difference]: Finished difference Result 145 states and 246 transitions. [2022-10-15 17:23:33,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:23:33,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2022-10-15 17:23:33,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:33,738 INFO L225 Difference]: With dead ends: 145 [2022-10-15 17:23:33,738 INFO L226 Difference]: Without dead ends: 142 [2022-10-15 17:23:33,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:23:33,743 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 3 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:33,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 935 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:23:33,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-10-15 17:23:33,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-10-15 17:23:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 140 states have (on average 1.5285714285714285) internal successors, (214), 141 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 214 transitions. [2022-10-15 17:23:33,804 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 214 transitions. Word has length 22 [2022-10-15 17:23:33,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:33,804 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 214 transitions. [2022-10-15 17:23:33,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 214 transitions. [2022-10-15 17:23:33,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 17:23:33,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:33,807 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] [2022-10-15 17:23:33,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:23:33,808 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:33,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:33,809 INFO L85 PathProgramCache]: Analyzing trace with hash -181056217, now seen corresponding path program 1 times [2022-10-15 17:23:33,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:33,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729990276] [2022-10-15 17:23:33,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:33,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:33,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:33,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729990276] [2022-10-15 17:23:33,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729990276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:33,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:33,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:23:33,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234560355] [2022-10-15 17:23:33,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:33,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:33,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:33,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:33,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:33,953 INFO L87 Difference]: Start difference. First operand 142 states and 214 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:33,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:33,985 INFO L93 Difference]: Finished difference Result 221 states and 347 transitions. [2022-10-15 17:23:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:33,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-10-15 17:23:33,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:33,989 INFO L225 Difference]: With dead ends: 221 [2022-10-15 17:23:33,989 INFO L226 Difference]: Without dead ends: 221 [2022-10-15 17:23:33,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:33,996 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 132 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:33,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 420 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:34,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-10-15 17:23:34,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 143. [2022-10-15 17:23:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 141 states have (on average 1.524822695035461) internal successors, (215), 142 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 215 transitions. [2022-10-15 17:23:34,030 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 215 transitions. Word has length 51 [2022-10-15 17:23:34,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:34,031 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 215 transitions. [2022-10-15 17:23:34,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,031 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 215 transitions. [2022-10-15 17:23:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 17:23:34,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:34,038 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] [2022-10-15 17:23:34,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:23:34,039 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:34,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:34,039 INFO L85 PathProgramCache]: Analyzing trace with hash -415118785, now seen corresponding path program 1 times [2022-10-15 17:23:34,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:34,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694808040] [2022-10-15 17:23:34,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:34,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:34,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:34,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694808040] [2022-10-15 17:23:34,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694808040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:34,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:34,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:23:34,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347777782] [2022-10-15 17:23:34,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:34,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:34,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:34,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:34,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:34,322 INFO L87 Difference]: Start difference. First operand 143 states and 215 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:34,381 INFO L93 Difference]: Finished difference Result 215 states and 328 transitions. [2022-10-15 17:23:34,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:34,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2022-10-15 17:23:34,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:34,386 INFO L225 Difference]: With dead ends: 215 [2022-10-15 17:23:34,386 INFO L226 Difference]: Without dead ends: 215 [2022-10-15 17:23:34,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:34,399 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 110 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:34,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 380 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:34,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-10-15 17:23:34,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 210. [2022-10-15 17:23:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 208 states have (on average 1.5625) internal successors, (325), 209 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 325 transitions. [2022-10-15 17:23:34,431 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 325 transitions. Word has length 66 [2022-10-15 17:23:34,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:34,432 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 325 transitions. [2022-10-15 17:23:34,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 325 transitions. [2022-10-15 17:23:34,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 17:23:34,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:34,439 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] [2022-10-15 17:23:34,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:23:34,444 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:34,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:34,446 INFO L85 PathProgramCache]: Analyzing trace with hash 928134868, now seen corresponding path program 1 times [2022-10-15 17:23:34,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:34,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640878348] [2022-10-15 17:23:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:34,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:34,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:34,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640878348] [2022-10-15 17:23:34,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640878348] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:34,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:34,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:23:34,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419639569] [2022-10-15 17:23:34,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:34,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:34,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:34,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:34,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:34,624 INFO L87 Difference]: Start difference. First operand 210 states and 325 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:34,652 INFO L93 Difference]: Finished difference Result 343 states and 541 transitions. [2022-10-15 17:23:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:34,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 68 [2022-10-15 17:23:34,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:34,656 INFO L225 Difference]: With dead ends: 343 [2022-10-15 17:23:34,656 INFO L226 Difference]: Without dead ends: 343 [2022-10-15 17:23:34,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:34,665 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 112 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:34,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 392 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:34,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2022-10-15 17:23:34,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 338. [2022-10-15 17:23:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 336 states have (on average 1.6011904761904763) internal successors, (538), 337 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 538 transitions. [2022-10-15 17:23:34,691 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 538 transitions. Word has length 68 [2022-10-15 17:23:34,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:34,694 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 538 transitions. [2022-10-15 17:23:34,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 538 transitions. [2022-10-15 17:23:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 17:23:34,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:34,704 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] [2022-10-15 17:23:34,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:23:34,709 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:34,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1295175881, now seen corresponding path program 1 times [2022-10-15 17:23:34,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:34,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047719207] [2022-10-15 17:23:34,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:34,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:34,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:34,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047719207] [2022-10-15 17:23:34,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047719207] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:34,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:34,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:23:34,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837551170] [2022-10-15 17:23:34,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:34,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:34,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:34,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:34,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:34,889 INFO L87 Difference]: Start difference. First operand 338 states and 538 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:34,924 INFO L93 Difference]: Finished difference Result 583 states and 937 transitions. [2022-10-15 17:23:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:34,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2022-10-15 17:23:34,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:34,930 INFO L225 Difference]: With dead ends: 583 [2022-10-15 17:23:34,930 INFO L226 Difference]: Without dead ends: 583 [2022-10-15 17:23:34,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:34,934 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 106 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:34,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 393 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:34,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2022-10-15 17:23:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 578. [2022-10-15 17:23:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 576 states have (on average 1.6215277777777777) internal successors, (934), 577 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 934 transitions. [2022-10-15 17:23:34,974 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 934 transitions. Word has length 70 [2022-10-15 17:23:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:34,978 INFO L495 AbstractCegarLoop]: Abstraction has 578 states and 934 transitions. [2022-10-15 17:23:34,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:34,979 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 934 transitions. [2022-10-15 17:23:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 17:23:34,980 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:34,981 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] [2022-10-15 17:23:34,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:23:34,981 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:34,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:34,982 INFO L85 PathProgramCache]: Analyzing trace with hash -367652834, now seen corresponding path program 1 times [2022-10-15 17:23:34,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:34,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141810597] [2022-10-15 17:23:34,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:34,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:35,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:35,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141810597] [2022-10-15 17:23:35,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141810597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:35,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:35,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:23:35,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308988288] [2022-10-15 17:23:35,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:35,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:23:35,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:35,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:23:35,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:35,171 INFO L87 Difference]: Start difference. First operand 578 states and 934 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:35,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:35,364 INFO L93 Difference]: Finished difference Result 1955 states and 3215 transitions. [2022-10-15 17:23:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 17:23:35,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 72 [2022-10-15 17:23:35,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:35,380 INFO L225 Difference]: With dead ends: 1955 [2022-10-15 17:23:35,381 INFO L226 Difference]: Without dead ends: 1955 [2022-10-15 17:23:35,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:23:35,384 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 796 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:35,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 1330 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:23:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2022-10-15 17:23:35,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1027. [2022-10-15 17:23:35,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1025 states have (on average 1.6380487804878048) internal successors, (1679), 1026 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1679 transitions. [2022-10-15 17:23:35,436 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1679 transitions. Word has length 72 [2022-10-15 17:23:35,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:35,439 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1679 transitions. [2022-10-15 17:23:35,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:35,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1679 transitions. [2022-10-15 17:23:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 17:23:35,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:35,443 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] [2022-10-15 17:23:35,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:23:35,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:35,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash -435168554, now seen corresponding path program 1 times [2022-10-15 17:23:35,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:35,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403648679] [2022-10-15 17:23:35,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:35,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:35,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:35,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403648679] [2022-10-15 17:23:35,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403648679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:35,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:35,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:23:35,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179495677] [2022-10-15 17:23:35,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:35,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:23:35,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:35,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:23:35,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:23:35,635 INFO L87 Difference]: Start difference. First operand 1027 states and 1679 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:35,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:35,744 INFO L93 Difference]: Finished difference Result 2019 states and 3337 transitions. [2022-10-15 17:23:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:23:35,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 73 [2022-10-15 17:23:35,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:35,758 INFO L225 Difference]: With dead ends: 2019 [2022-10-15 17:23:35,759 INFO L226 Difference]: Without dead ends: 2019 [2022-10-15 17:23:35,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:35,760 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 394 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:35,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 701 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:23:35,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2022-10-15 17:23:35,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 1511. [2022-10-15 17:23:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1509 states have (on average 1.6461232604373757) internal successors, (2484), 1510 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2484 transitions. [2022-10-15 17:23:35,813 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2484 transitions. Word has length 73 [2022-10-15 17:23:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:35,813 INFO L495 AbstractCegarLoop]: Abstraction has 1511 states and 2484 transitions. [2022-10-15 17:23:35,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2484 transitions. [2022-10-15 17:23:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 17:23:35,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:35,816 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] [2022-10-15 17:23:35,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:23:35,817 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:35,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:35,821 INFO L85 PathProgramCache]: Analyzing trace with hash 152415701, now seen corresponding path program 1 times [2022-10-15 17:23:35,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:35,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601128379] [2022-10-15 17:23:35,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:35,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:35,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:35,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601128379] [2022-10-15 17:23:35,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601128379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:35,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:35,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:23:35,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055382256] [2022-10-15 17:23:35,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:35,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:35,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:35,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:35,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:35,922 INFO L87 Difference]: Start difference. First operand 1511 states and 2484 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:35,956 INFO L93 Difference]: Finished difference Result 2153 states and 3523 transitions. [2022-10-15 17:23:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:35,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 74 [2022-10-15 17:23:35,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:35,969 INFO L225 Difference]: With dead ends: 2153 [2022-10-15 17:23:35,969 INFO L226 Difference]: Without dead ends: 2153 [2022-10-15 17:23:35,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:35,970 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 113 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:35,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 465 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2022-10-15 17:23:36,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2148. [2022-10-15 17:23:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 2146 states have (on average 1.6402609506057781) internal successors, (3520), 2147 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 3520 transitions. [2022-10-15 17:23:36,036 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 3520 transitions. Word has length 74 [2022-10-15 17:23:36,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:36,036 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 3520 transitions. [2022-10-15 17:23:36,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 3520 transitions. [2022-10-15 17:23:36,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 17:23:36,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:36,038 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] [2022-10-15 17:23:36,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:23:36,039 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:36,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1935815765, now seen corresponding path program 1 times [2022-10-15 17:23:36,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:36,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330955941] [2022-10-15 17:23:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:36,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:36,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:36,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330955941] [2022-10-15 17:23:36,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330955941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:36,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:36,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:23:36,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997144013] [2022-10-15 17:23:36,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:36,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:23:36,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:36,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:23:36,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:23:36,153 INFO L87 Difference]: Start difference. First operand 2148 states and 3520 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:36,258 INFO L93 Difference]: Finished difference Result 4602 states and 7552 transitions. [2022-10-15 17:23:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:23:36,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 74 [2022-10-15 17:23:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:36,283 INFO L225 Difference]: With dead ends: 4602 [2022-10-15 17:23:36,284 INFO L226 Difference]: Without dead ends: 4602 [2022-10-15 17:23:36,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:36,285 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 393 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:36,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 698 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:23:36,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4602 states. [2022-10-15 17:23:36,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4602 to 3360. [2022-10-15 17:23:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3358 states have (on average 1.6372840976771887) internal successors, (5498), 3359 states have internal predecessors, (5498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 5498 transitions. [2022-10-15 17:23:36,440 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 5498 transitions. Word has length 74 [2022-10-15 17:23:36,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:36,441 INFO L495 AbstractCegarLoop]: Abstraction has 3360 states and 5498 transitions. [2022-10-15 17:23:36,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 5498 transitions. [2022-10-15 17:23:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 17:23:36,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:36,443 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] [2022-10-15 17:23:36,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:23:36,444 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:36,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:36,445 INFO L85 PathProgramCache]: Analyzing trace with hash -2130170379, now seen corresponding path program 1 times [2022-10-15 17:23:36,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:36,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625113623] [2022-10-15 17:23:36,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:36,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:36,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:36,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625113623] [2022-10-15 17:23:36,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625113623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:36,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:36,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:23:36,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506109421] [2022-10-15 17:23:36,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:36,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:36,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:36,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:36,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:36,525 INFO L87 Difference]: Start difference. First operand 3360 states and 5498 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:36,572 INFO L93 Difference]: Finished difference Result 4783 states and 7779 transitions. [2022-10-15 17:23:36,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:36,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 74 [2022-10-15 17:23:36,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:36,599 INFO L225 Difference]: With dead ends: 4783 [2022-10-15 17:23:36,600 INFO L226 Difference]: Without dead ends: 4783 [2022-10-15 17:23:36,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:36,601 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 107 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:36,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 448 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:36,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2022-10-15 17:23:36,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4778. [2022-10-15 17:23:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 4776 states have (on average 1.6281407035175879) internal successors, (7776), 4777 states have internal predecessors, (7776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 7776 transitions. [2022-10-15 17:23:36,759 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 7776 transitions. Word has length 74 [2022-10-15 17:23:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:36,759 INFO L495 AbstractCegarLoop]: Abstraction has 4778 states and 7776 transitions. [2022-10-15 17:23:36,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 7776 transitions. [2022-10-15 17:23:36,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 17:23:36,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:36,766 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] [2022-10-15 17:23:36,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:23:36,769 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:36,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:36,770 INFO L85 PathProgramCache]: Analyzing trace with hash 339461557, now seen corresponding path program 1 times [2022-10-15 17:23:36,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:36,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585663946] [2022-10-15 17:23:36,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:36,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:36,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:36,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585663946] [2022-10-15 17:23:36,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585663946] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:36,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:36,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:23:36,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878211624] [2022-10-15 17:23:36,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:36,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:36,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:36,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:36,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:36,856 INFO L87 Difference]: Start difference. First operand 4778 states and 7776 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:36,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:36,948 INFO L93 Difference]: Finished difference Result 7085 states and 11521 transitions. [2022-10-15 17:23:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:36,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 74 [2022-10-15 17:23:36,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:37,010 INFO L225 Difference]: With dead ends: 7085 [2022-10-15 17:23:37,010 INFO L226 Difference]: Without dead ends: 7085 [2022-10-15 17:23:37,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:37,011 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 119 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:37,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 488 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:37,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7085 states. [2022-10-15 17:23:37,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7085 to 7080. [2022-10-15 17:23:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7080 states, 7078 states have (on average 1.627295846284261) internal successors, (11518), 7079 states have internal predecessors, (11518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7080 states to 7080 states and 11518 transitions. [2022-10-15 17:23:37,230 INFO L78 Accepts]: Start accepts. Automaton has 7080 states and 11518 transitions. Word has length 74 [2022-10-15 17:23:37,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:37,231 INFO L495 AbstractCegarLoop]: Abstraction has 7080 states and 11518 transitions. [2022-10-15 17:23:37,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:37,232 INFO L276 IsEmpty]: Start isEmpty. Operand 7080 states and 11518 transitions. [2022-10-15 17:23:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 17:23:37,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:37,233 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] [2022-10-15 17:23:37,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:23:37,233 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:37,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:37,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1704077331, now seen corresponding path program 1 times [2022-10-15 17:23:37,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:37,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482251925] [2022-10-15 17:23:37,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:37,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:37,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:37,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482251925] [2022-10-15 17:23:37,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482251925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:37,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:37,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:23:37,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171361293] [2022-10-15 17:23:37,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:37,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:23:37,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:37,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:23:37,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:23:37,362 INFO L87 Difference]: Start difference. First operand 7080 states and 11518 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:37,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:37,579 INFO L93 Difference]: Finished difference Result 15202 states and 24673 transitions. [2022-10-15 17:23:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:23:37,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 75 [2022-10-15 17:23:37,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:37,624 INFO L225 Difference]: With dead ends: 15202 [2022-10-15 17:23:37,624 INFO L226 Difference]: Without dead ends: 15202 [2022-10-15 17:23:37,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:37,626 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 391 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:37,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 700 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:23:37,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15202 states. [2022-10-15 17:23:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15202 to 11095. [2022-10-15 17:23:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11095 states, 11093 states have (on average 1.618047417290183) internal successors, (17949), 11094 states have internal predecessors, (17949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11095 states to 11095 states and 17949 transitions. [2022-10-15 17:23:38,004 INFO L78 Accepts]: Start accepts. Automaton has 11095 states and 17949 transitions. Word has length 75 [2022-10-15 17:23:38,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:38,004 INFO L495 AbstractCegarLoop]: Abstraction has 11095 states and 17949 transitions. [2022-10-15 17:23:38,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 11095 states and 17949 transitions. [2022-10-15 17:23:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 17:23:38,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:38,007 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] [2022-10-15 17:23:38,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:23:38,008 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:38,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash 931672261, now seen corresponding path program 1 times [2022-10-15 17:23:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:38,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413992205] [2022-10-15 17:23:38,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:38,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:38,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:38,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413992205] [2022-10-15 17:23:38,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413992205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:38,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:38,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:23:38,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836242929] [2022-10-15 17:23:38,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:38,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:23:38,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:38,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:23:38,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:38,342 INFO L87 Difference]: Start difference. First operand 11095 states and 17949 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:38,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:38,487 INFO L93 Difference]: Finished difference Result 11100 states and 17827 transitions. [2022-10-15 17:23:38,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:23:38,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2022-10-15 17:23:38,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:38,514 INFO L225 Difference]: With dead ends: 11100 [2022-10-15 17:23:38,515 INFO L226 Difference]: Without dead ends: 11100 [2022-10-15 17:23:38,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:23:38,516 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 395 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:38,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 571 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:23:38,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11100 states. [2022-10-15 17:23:38,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11100 to 11095. [2022-10-15 17:23:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11095 states, 11093 states have (on average 1.6067790498512575) internal successors, (17824), 11094 states have internal predecessors, (17824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11095 states to 11095 states and 17824 transitions. [2022-10-15 17:23:38,833 INFO L78 Accepts]: Start accepts. Automaton has 11095 states and 17824 transitions. Word has length 77 [2022-10-15 17:23:38,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:38,833 INFO L495 AbstractCegarLoop]: Abstraction has 11095 states and 17824 transitions. [2022-10-15 17:23:38,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 11095 states and 17824 transitions. [2022-10-15 17:23:38,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 17:23:38,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:38,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:38,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:23:38,836 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:38,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:38,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1222308264, now seen corresponding path program 1 times [2022-10-15 17:23:38,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:38,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604756454] [2022-10-15 17:23:38,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:39,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:39,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604756454] [2022-10-15 17:23:39,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604756454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:39,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:39,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:23:39,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689219645] [2022-10-15 17:23:39,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:39,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:23:39,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:39,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:23:39,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:39,158 INFO L87 Difference]: Start difference. First operand 11095 states and 17824 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:39,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:39,339 INFO L93 Difference]: Finished difference Result 20756 states and 33084 transitions. [2022-10-15 17:23:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:23:39,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 17:23:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:39,393 INFO L225 Difference]: With dead ends: 20756 [2022-10-15 17:23:39,393 INFO L226 Difference]: Without dead ends: 20756 [2022-10-15 17:23:39,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:23:39,396 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 181 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:39,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 762 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:23:39,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20756 states. [2022-10-15 17:23:39,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20756 to 20751. [2022-10-15 17:23:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20751 states, 20749 states have (on average 1.5943418959949878) internal successors, (33081), 20750 states have internal predecessors, (33081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20751 states to 20751 states and 33081 transitions. [2022-10-15 17:23:40,036 INFO L78 Accepts]: Start accepts. Automaton has 20751 states and 33081 transitions. Word has length 80 [2022-10-15 17:23:40,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:40,037 INFO L495 AbstractCegarLoop]: Abstraction has 20751 states and 33081 transitions. [2022-10-15 17:23:40,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 20751 states and 33081 transitions. [2022-10-15 17:23:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:23:40,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:40,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:40,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:23:40,040 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:40,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash 334573870, now seen corresponding path program 1 times [2022-10-15 17:23:40,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:40,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486026000] [2022-10-15 17:23:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:40,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:40,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:40,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486026000] [2022-10-15 17:23:40,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486026000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:40,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:40,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:23:40,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012617389] [2022-10-15 17:23:40,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:40,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:23:40,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:40,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:23:40,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:40,626 INFO L87 Difference]: Start difference. First operand 20751 states and 33081 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:41,008 INFO L93 Difference]: Finished difference Result 40563 states and 63519 transitions. [2022-10-15 17:23:41,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 17:23:41,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 17:23:41,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:41,155 INFO L225 Difference]: With dead ends: 40563 [2022-10-15 17:23:41,155 INFO L226 Difference]: Without dead ends: 40563 [2022-10-15 17:23:41,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:23:41,156 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 350 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:41,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 923 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:41,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40563 states. [2022-10-15 17:23:41,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40563 to 21837. [2022-10-15 17:23:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21837 states, 21835 states have (on average 1.5643691321273185) internal successors, (34158), 21836 states have internal predecessors, (34158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21837 states to 21837 states and 34158 transitions. [2022-10-15 17:23:41,945 INFO L78 Accepts]: Start accepts. Automaton has 21837 states and 34158 transitions. Word has length 81 [2022-10-15 17:23:41,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:41,945 INFO L495 AbstractCegarLoop]: Abstraction has 21837 states and 34158 transitions. [2022-10-15 17:23:41,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 21837 states and 34158 transitions. [2022-10-15 17:23:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 17:23:41,947 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:41,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:41,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:23:41,947 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:41,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:41,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1323849817, now seen corresponding path program 1 times [2022-10-15 17:23:41,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:41,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123170460] [2022-10-15 17:23:41,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:41,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:23:42,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:42,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123170460] [2022-10-15 17:23:42,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123170460] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:23:42,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595747287] [2022-10-15 17:23:42,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:42,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:23:42,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:23:42,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:23:42,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 17:23:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:42,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 17:23:42,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:23:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 17:23:42,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 17:23:42,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595747287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:42,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 17:23:42,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 17:23:42,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273320197] [2022-10-15 17:23:42,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:42,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:42,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:42,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:42,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:42,563 INFO L87 Difference]: Start difference. First operand 21837 states and 34158 transitions. Second operand has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:42,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:42,659 INFO L93 Difference]: Finished difference Result 21836 states and 34157 transitions. [2022-10-15 17:23:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:42,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 17:23:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:42,718 INFO L225 Difference]: With dead ends: 21836 [2022-10-15 17:23:42,718 INFO L226 Difference]: Without dead ends: 21834 [2022-10-15 17:23:42,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:42,721 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 130 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:42,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:42,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21834 states. [2022-10-15 17:23:43,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21834 to 21834. [2022-10-15 17:23:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21834 states, 21833 states have (on average 1.5452296981633307) internal successors, (33737), 21833 states have internal predecessors, (33737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21834 states to 21834 states and 33737 transitions. [2022-10-15 17:23:43,326 INFO L78 Accepts]: Start accepts. Automaton has 21834 states and 33737 transitions. Word has length 84 [2022-10-15 17:23:43,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:43,327 INFO L495 AbstractCegarLoop]: Abstraction has 21834 states and 33737 transitions. [2022-10-15 17:23:43,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 21834 states and 33737 transitions. [2022-10-15 17:23:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 17:23:43,341 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:43,342 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:43,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 17:23:43,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-15 17:23:43,544 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:43,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:43,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1678408875, now seen corresponding path program 1 times [2022-10-15 17:23:43,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:43,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982757314] [2022-10-15 17:23:43,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:43,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 17:23:43,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:43,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982757314] [2022-10-15 17:23:43,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982757314] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:43,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:43,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:23:43,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778334512] [2022-10-15 17:23:43,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:43,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:23:43,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:43,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:23:43,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:43,787 INFO L87 Difference]: Start difference. First operand 21834 states and 33737 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:44,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:44,140 INFO L93 Difference]: Finished difference Result 43020 states and 66448 transitions. [2022-10-15 17:23:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:23:44,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 107 [2022-10-15 17:23:44,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:44,234 INFO L225 Difference]: With dead ends: 43020 [2022-10-15 17:23:44,234 INFO L226 Difference]: Without dead ends: 43020 [2022-10-15 17:23:44,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:23:44,235 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 488 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:44,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 907 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:23:44,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43020 states. [2022-10-15 17:23:44,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43020 to 33554. [2022-10-15 17:23:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33554 states, 33553 states have (on average 1.5432003099573808) internal successors, (51779), 33553 states have internal predecessors, (51779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33554 states to 33554 states and 51779 transitions. [2022-10-15 17:23:45,064 INFO L78 Accepts]: Start accepts. Automaton has 33554 states and 51779 transitions. Word has length 107 [2022-10-15 17:23:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:45,065 INFO L495 AbstractCegarLoop]: Abstraction has 33554 states and 51779 transitions. [2022-10-15 17:23:45,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33554 states and 51779 transitions. [2022-10-15 17:23:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 17:23:45,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:45,068 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:45,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 17:23:45,069 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:45,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:45,070 INFO L85 PathProgramCache]: Analyzing trace with hash 333972341, now seen corresponding path program 1 times [2022-10-15 17:23:45,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:45,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149355276] [2022-10-15 17:23:45,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:45,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-15 17:23:45,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:45,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149355276] [2022-10-15 17:23:45,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149355276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:45,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:45,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:23:45,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255016737] [2022-10-15 17:23:45,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:45,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:23:45,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:23:45,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:45,266 INFO L87 Difference]: Start difference. First operand 33554 states and 51779 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:45,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:45,891 INFO L93 Difference]: Finished difference Result 47156 states and 72856 transitions. [2022-10-15 17:23:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:23:45,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 107 [2022-10-15 17:23:45,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:45,999 INFO L225 Difference]: With dead ends: 47156 [2022-10-15 17:23:45,999 INFO L226 Difference]: Without dead ends: 47156 [2022-10-15 17:23:46,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:23:46,001 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 493 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:46,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 961 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:23:46,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47156 states. [2022-10-15 17:23:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47156 to 45454. [2022-10-15 17:23:47,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45454 states, 45453 states have (on average 1.54333047323609) internal successors, (70149), 45453 states have internal predecessors, (70149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45454 states to 45454 states and 70149 transitions. [2022-10-15 17:23:47,235 INFO L78 Accepts]: Start accepts. Automaton has 45454 states and 70149 transitions. Word has length 107 [2022-10-15 17:23:47,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:47,236 INFO L495 AbstractCegarLoop]: Abstraction has 45454 states and 70149 transitions. [2022-10-15 17:23:47,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:47,236 INFO L276 IsEmpty]: Start isEmpty. Operand 45454 states and 70149 transitions. [2022-10-15 17:23:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-15 17:23:47,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:47,240 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:47,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 17:23:47,240 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1491363019, now seen corresponding path program 1 times [2022-10-15 17:23:47,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:47,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598999849] [2022-10-15 17:23:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:47,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 17:23:47,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:47,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598999849] [2022-10-15 17:23:47,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598999849] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:47,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:47,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:23:47,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936427793] [2022-10-15 17:23:47,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:47,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:23:47,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:47,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:23:47,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:23:47,420 INFO L87 Difference]: Start difference. First operand 45454 states and 70149 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:48,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:48,014 INFO L93 Difference]: Finished difference Result 53940 states and 83444 transitions. [2022-10-15 17:23:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:23:48,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 107 [2022-10-15 17:23:48,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:48,145 INFO L225 Difference]: With dead ends: 53940 [2022-10-15 17:23:48,146 INFO L226 Difference]: Without dead ends: 53940 [2022-10-15 17:23:48,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:23:48,147 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 485 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:48,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 986 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:23:48,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53940 states. [2022-10-15 17:23:49,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53940 to 52238. [2022-10-15 17:23:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52238 states, 52237 states have (on average 1.5455902904071825) internal successors, (80737), 52237 states have internal predecessors, (80737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52238 states to 52238 states and 80737 transitions. [2022-10-15 17:23:49,833 INFO L78 Accepts]: Start accepts. Automaton has 52238 states and 80737 transitions. Word has length 107 [2022-10-15 17:23:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:49,833 INFO L495 AbstractCegarLoop]: Abstraction has 52238 states and 80737 transitions. [2022-10-15 17:23:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 52238 states and 80737 transitions. [2022-10-15 17:23:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 17:23:49,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:49,837 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:49,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 17:23:49,838 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:49,839 INFO L85 PathProgramCache]: Analyzing trace with hash -910445921, now seen corresponding path program 1 times [2022-10-15 17:23:49,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:49,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651028785] [2022-10-15 17:23:49,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:49,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 17:23:49,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:49,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651028785] [2022-10-15 17:23:49,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651028785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:49,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:49,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:23:49,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959703157] [2022-10-15 17:23:49,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:49,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:23:49,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:49,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:23:49,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:23:49,982 INFO L87 Difference]: Start difference. First operand 52238 states and 80737 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:50,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:50,366 INFO L93 Difference]: Finished difference Result 67855 states and 104925 transitions. [2022-10-15 17:23:50,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:23:50,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 108 [2022-10-15 17:23:50,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:50,512 INFO L225 Difference]: With dead ends: 67855 [2022-10-15 17:23:50,513 INFO L226 Difference]: Without dead ends: 67855 [2022-10-15 17:23:50,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:23:50,515 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 208 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:50,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 715 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:51,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67855 states. [2022-10-15 17:23:51,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67855 to 66155. [2022-10-15 17:23:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66155 states, 66154 states have (on average 1.5456510566254498) internal successors, (102251), 66154 states have internal predecessors, (102251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66155 states to 66155 states and 102251 transitions. [2022-10-15 17:23:52,178 INFO L78 Accepts]: Start accepts. Automaton has 66155 states and 102251 transitions. Word has length 108 [2022-10-15 17:23:52,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:52,179 INFO L495 AbstractCegarLoop]: Abstraction has 66155 states and 102251 transitions. [2022-10-15 17:23:52,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 66155 states and 102251 transitions. [2022-10-15 17:23:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 17:23:52,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:52,183 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:52,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 17:23:52,184 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:52,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash -487744095, now seen corresponding path program 1 times [2022-10-15 17:23:52,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:52,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713467753] [2022-10-15 17:23:52,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 17:23:52,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:52,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713467753] [2022-10-15 17:23:52,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713467753] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:52,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:52,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:23:52,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479320269] [2022-10-15 17:23:52,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:52,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:23:52,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:52,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:23:52,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:52,647 INFO L87 Difference]: Start difference. First operand 66155 states and 102251 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:53,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:53,246 INFO L93 Difference]: Finished difference Result 111843 states and 172647 transitions. [2022-10-15 17:23:53,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:23:53,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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 108 [2022-10-15 17:23:53,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:53,533 INFO L225 Difference]: With dead ends: 111843 [2022-10-15 17:23:53,534 INFO L226 Difference]: Without dead ends: 111843 [2022-10-15 17:23:53,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:23:53,535 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 92 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:53,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 382 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:53,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111843 states. [2022-10-15 17:23:55,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111843 to 111565. [2022-10-15 17:23:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111565 states, 111564 states have (on average 1.5450324477429995) internal successors, (172370), 111564 states have internal predecessors, (172370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:56,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111565 states to 111565 states and 172370 transitions. [2022-10-15 17:23:56,226 INFO L78 Accepts]: Start accepts. Automaton has 111565 states and 172370 transitions. Word has length 108 [2022-10-15 17:23:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:23:56,227 INFO L495 AbstractCegarLoop]: Abstraction has 111565 states and 172370 transitions. [2022-10-15 17:23:56,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 111565 states and 172370 transitions. [2022-10-15 17:23:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 17:23:56,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:23:56,231 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:23:56,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 17:23:56,232 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:23:56,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:23:56,233 INFO L85 PathProgramCache]: Analyzing trace with hash 724678092, now seen corresponding path program 1 times [2022-10-15 17:23:56,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:23:56,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455978758] [2022-10-15 17:23:56,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:23:56,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:23:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:23:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 17:23:56,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:23:56,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455978758] [2022-10-15 17:23:56,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455978758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:23:56,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:23:56,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:23:56,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457059222] [2022-10-15 17:23:56,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:23:56,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:23:56,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:23:56,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:23:56,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:23:56,379 INFO L87 Difference]: Start difference. First operand 111565 states and 172370 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:23:57,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:23:57,583 INFO L93 Difference]: Finished difference Result 138494 states and 213956 transitions. [2022-10-15 17:23:57,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:23:57,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 109 [2022-10-15 17:23:57,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:23:57,890 INFO L225 Difference]: With dead ends: 138494 [2022-10-15 17:23:57,891 INFO L226 Difference]: Without dead ends: 138494 [2022-10-15 17:23:57,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:23:57,892 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 213 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:23:57,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 708 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:23:58,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138494 states. [2022-10-15 17:23:59,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138494 to 131722. [2022-10-15 17:23:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131722 states, 131721 states have (on average 1.5440058912398176) internal successors, (203378), 131721 states have internal predecessors, (203378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:00,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131722 states to 131722 states and 203378 transitions. [2022-10-15 17:24:00,686 INFO L78 Accepts]: Start accepts. Automaton has 131722 states and 203378 transitions. Word has length 109 [2022-10-15 17:24:00,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:00,686 INFO L495 AbstractCegarLoop]: Abstraction has 131722 states and 203378 transitions. [2022-10-15 17:24:00,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:00,690 INFO L276 IsEmpty]: Start isEmpty. Operand 131722 states and 203378 transitions. [2022-10-15 17:24:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 17:24:00,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:00,695 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:00,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 17:24:00,695 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:00,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:00,696 INFO L85 PathProgramCache]: Analyzing trace with hash 953659244, now seen corresponding path program 1 times [2022-10-15 17:24:00,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:00,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103753240] [2022-10-15 17:24:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:00,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:24:00,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:00,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103753240] [2022-10-15 17:24:00,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103753240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:00,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:00,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:00,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855088382] [2022-10-15 17:24:00,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:00,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:00,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:00,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:00,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:00,875 INFO L87 Difference]: Start difference. First operand 131722 states and 203378 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:01,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:01,249 INFO L93 Difference]: Finished difference Result 123051 states and 189254 transitions. [2022-10-15 17:24:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:01,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2022-10-15 17:24:01,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:01,466 INFO L225 Difference]: With dead ends: 123051 [2022-10-15 17:24:01,466 INFO L226 Difference]: Without dead ends: 123051 [2022-10-15 17:24:01,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:01,467 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 86 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:01,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 448 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:02,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123051 states. [2022-10-15 17:24:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123051 to 123043. [2022-10-15 17:24:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123043 states, 123042 states have (on average 1.5380683018806587) internal successors, (189247), 123042 states have internal predecessors, (189247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123043 states to 123043 states and 189247 transitions. [2022-10-15 17:24:04,285 INFO L78 Accepts]: Start accepts. Automaton has 123043 states and 189247 transitions. Word has length 109 [2022-10-15 17:24:04,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:04,285 INFO L495 AbstractCegarLoop]: Abstraction has 123043 states and 189247 transitions. [2022-10-15 17:24:04,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 123043 states and 189247 transitions. [2022-10-15 17:24:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 17:24:04,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:04,288 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:04,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 17:24:04,288 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:04,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:04,289 INFO L85 PathProgramCache]: Analyzing trace with hash -441834263, now seen corresponding path program 1 times [2022-10-15 17:24:04,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:04,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734165114] [2022-10-15 17:24:04,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:04,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:24:04,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:04,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734165114] [2022-10-15 17:24:04,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734165114] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:04,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:04,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:04,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325430588] [2022-10-15 17:24:04,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:04,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:04,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:04,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:04,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:04,382 INFO L87 Difference]: Start difference. First operand 123043 states and 189247 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:05,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:05,599 INFO L93 Difference]: Finished difference Result 240866 states and 366898 transitions. [2022-10-15 17:24:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:05,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2022-10-15 17:24:05,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:06,082 INFO L225 Difference]: With dead ends: 240866 [2022-10-15 17:24:06,082 INFO L226 Difference]: Without dead ends: 240866 [2022-10-15 17:24:06,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:06,083 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 159 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:06,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 508 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:06,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240866 states. [2022-10-15 17:24:10,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240866 to 240864. [2022-10-15 17:24:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240864 states, 240863 states have (on average 1.5232601105192578) internal successors, (366897), 240863 states have internal predecessors, (366897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240864 states to 240864 states and 366897 transitions. [2022-10-15 17:24:11,103 INFO L78 Accepts]: Start accepts. Automaton has 240864 states and 366897 transitions. Word has length 109 [2022-10-15 17:24:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:11,104 INFO L495 AbstractCegarLoop]: Abstraction has 240864 states and 366897 transitions. [2022-10-15 17:24:11,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 240864 states and 366897 transitions. [2022-10-15 17:24:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 17:24:11,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:11,109 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:11,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 17:24:11,110 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:11,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:11,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1696280788, now seen corresponding path program 1 times [2022-10-15 17:24:11,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:11,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47414136] [2022-10-15 17:24:11,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:11,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:24:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:12,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47414136] [2022-10-15 17:24:12,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47414136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:12,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:12,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:12,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159563968] [2022-10-15 17:24:12,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:12,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:12,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:12,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:12,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:12,066 INFO L87 Difference]: Start difference. First operand 240864 states and 366897 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:12,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:12,364 INFO L93 Difference]: Finished difference Result 101188 states and 153536 transitions. [2022-10-15 17:24:12,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:12,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2022-10-15 17:24:12,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:12,544 INFO L225 Difference]: With dead ends: 101188 [2022-10-15 17:24:12,545 INFO L226 Difference]: Without dead ends: 101188 [2022-10-15 17:24:12,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:12,548 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 64 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:12,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 423 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:12,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101188 states. [2022-10-15 17:24:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101188 to 100904. [2022-10-15 17:24:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100904 states, 100903 states have (on average 1.5176456596929724) internal successors, (153135), 100903 states have internal predecessors, (153135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100904 states to 100904 states and 153135 transitions. [2022-10-15 17:24:14,355 INFO L78 Accepts]: Start accepts. Automaton has 100904 states and 153135 transitions. Word has length 109 [2022-10-15 17:24:14,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:14,355 INFO L495 AbstractCegarLoop]: Abstraction has 100904 states and 153135 transitions. [2022-10-15 17:24:14,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 100904 states and 153135 transitions. [2022-10-15 17:24:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 17:24:14,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:14,359 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:14,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 17:24:14,359 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:14,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:14,360 INFO L85 PathProgramCache]: Analyzing trace with hash 316100428, now seen corresponding path program 1 times [2022-10-15 17:24:14,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:14,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718285049] [2022-10-15 17:24:14,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:14,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:24:14,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:14,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718285049] [2022-10-15 17:24:14,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718285049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:14,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:14,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:14,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669590150] [2022-10-15 17:24:14,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:14,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:14,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:14,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:14,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:14,505 INFO L87 Difference]: Start difference. First operand 100904 states and 153135 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:14,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:14,672 INFO L93 Difference]: Finished difference Result 43650 states and 65886 transitions. [2022-10-15 17:24:14,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:14,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2022-10-15 17:24:14,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:15,330 INFO L225 Difference]: With dead ends: 43650 [2022-10-15 17:24:15,331 INFO L226 Difference]: Without dead ends: 43650 [2022-10-15 17:24:15,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:15,332 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 51 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:15,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 386 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:15,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43650 states. [2022-10-15 17:24:15,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43650 to 43590. [2022-10-15 17:24:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43590 states, 43589 states have (on average 1.5098534033815871) internal successors, (65813), 43589 states have internal predecessors, (65813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43590 states to 43590 states and 65813 transitions. [2022-10-15 17:24:16,077 INFO L78 Accepts]: Start accepts. Automaton has 43590 states and 65813 transitions. Word has length 109 [2022-10-15 17:24:16,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:16,078 INFO L495 AbstractCegarLoop]: Abstraction has 43590 states and 65813 transitions. [2022-10-15 17:24:16,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:24:16,078 INFO L276 IsEmpty]: Start isEmpty. Operand 43590 states and 65813 transitions. [2022-10-15 17:24:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 17:24:16,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:16,087 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:16,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 17:24:16,088 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:16,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:16,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2094978139, now seen corresponding path program 1 times [2022-10-15 17:24:16,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:16,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716654479] [2022-10-15 17:24:16,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:16,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat