/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.4.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:24:24,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:24:24,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:24:24,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 17:24:24,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:24:24,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:24:24,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:24:24,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:24:24,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:24:24,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:24:24,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:24:24,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:24:24,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:24:24,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:24:24,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:24:24,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:24:24,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:24:24,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:24:24,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:24:24,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:24:24,655 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 17:24:24,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:24:24,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:24:24,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:24:24,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:24:24,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:24:24,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:24:24,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:24:24,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:24:24,691 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:24:24,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:24:24,692 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:24:24,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:24:24,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:24:24,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:24:24,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:24:24,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:24:24,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:24:24,693 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:24:24,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:24:24,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:24:24,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:24:24,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:24:24,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:24:24,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:24:24,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:24:24,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:24:24,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:24:24,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:24:24,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:24:24,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:24:24,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:24:25,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:24:25,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:24:25,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:24:25,121 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:24:25,122 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:24:25,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c [2022-10-15 17:24:25,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8b29e806/4740cdc19bcb42e8a29c3cfbaa7c72d9/FLAG507e41bda [2022-10-15 17:24:25,989 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:24:25,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c [2022-10-15 17:24:26,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8b29e806/4740cdc19bcb42e8a29c3cfbaa7c72d9/FLAG507e41bda [2022-10-15 17:24:26,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8b29e806/4740cdc19bcb42e8a29c3cfbaa7c72d9 [2022-10-15 17:24:26,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:24:26,236 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:24:26,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:24:26,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:24:26,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:24:26,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:26,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8836e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26, skipping insertion in model container [2022-10-15 17:24:26,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:26,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:24:26,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:24:26,738 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.4.4.ufo.UNBOUNDED.pals.c[31172,31185] [2022-10-15 17:24:26,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:24:26,754 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:24:26,903 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.4.4.ufo.UNBOUNDED.pals.c[31172,31185] [2022-10-15 17:24:26,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:24:26,937 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:24:26,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26 WrapperNode [2022-10-15 17:24:26,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:24:26,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:24:26,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:24:26,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:24:26,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:26,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,080 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1008 [2022-10-15 17:24:27,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:24:27,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:24:27,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:24:27,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:24:27,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,166 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:24:27,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:24:27,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:24:27,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:24:27,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (1/1) ... [2022-10-15 17:24:27,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:24:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:24:27,231 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 17:24:27,258 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 17:24:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:24:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:24:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:24:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:24:27,564 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:24:27,567 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:24:28,703 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:24:28,717 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:24:28,717 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 17:24:28,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:24:28 BoogieIcfgContainer [2022-10-15 17:24:28,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:24:28,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:24:28,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:24:28,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:24:28,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:24:26" (1/3) ... [2022-10-15 17:24:28,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea8bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:24:28, skipping insertion in model container [2022-10-15 17:24:28,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:24:26" (2/3) ... [2022-10-15 17:24:28,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea8bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:24:28, skipping insertion in model container [2022-10-15 17:24:28,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:24:28" (3/3) ... [2022-10-15 17:24:28,732 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c [2022-10-15 17:24:28,755 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:24:28,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:24:28,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:24:28,833 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;@21dc8719, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:24:28,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:24:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 333 states, 330 states have (on average 1.803030303030303) internal successors, (595), 332 states have internal predecessors, (595), 0 states have call successors, (0), 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 17:24:28,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 17:24:28,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:28,867 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] [2022-10-15 17:24:28,868 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:28,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:28,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1596460729, now seen corresponding path program 1 times [2022-10-15 17:24:28,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:28,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818834859] [2022-10-15 17:24:28,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:28,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:29,411 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 17:24:29,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:29,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818834859] [2022-10-15 17:24:29,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818834859] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:29,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:29,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:24:29,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410460382] [2022-10-15 17:24:29,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:29,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 17:24:29,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:29,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 17:24:29,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 17:24:29,486 INFO L87 Difference]: Start difference. First operand has 333 states, 330 states have (on average 1.803030303030303) internal successors, (595), 332 states have internal predecessors, (595), 0 states have call successors, (0), 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 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 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 17:24:29,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:29,554 INFO L93 Difference]: Finished difference Result 328 states and 587 transitions. [2022-10-15 17:24:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 17:24:29,557 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 17:24:29,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:29,575 INFO L225 Difference]: With dead ends: 328 [2022-10-15 17:24:29,576 INFO L226 Difference]: Without dead ends: 328 [2022-10-15 17:24:29,579 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 17:24:29,584 INFO L413 NwaCegarLoop]: 587 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, 587 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 17:24:29,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:29,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-10-15 17:24:29,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2022-10-15 17:24:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.7951070336391437) internal successors, (587), 327 states have internal predecessors, (587), 0 states have call successors, (0), 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 17:24:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 587 transitions. [2022-10-15 17:24:29,672 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 587 transitions. Word has length 58 [2022-10-15 17:24:29,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:29,673 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 587 transitions. [2022-10-15 17:24:29,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 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 17:24:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 587 transitions. [2022-10-15 17:24:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 17:24:29,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:29,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:29,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:24:29,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:29,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:29,685 INFO L85 PathProgramCache]: Analyzing trace with hash -330350354, now seen corresponding path program 1 times [2022-10-15 17:24:29,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:29,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608530834] [2022-10-15 17:24:29,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:30,279 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 17:24:30,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:30,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608530834] [2022-10-15 17:24:30,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608530834] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:30,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:30,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:24:30,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199880640] [2022-10-15 17:24:30,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:30,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:24:30,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:30,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:24:30,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:24:30,286 INFO L87 Difference]: Start difference. First operand 328 states and 587 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 17:24:30,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:30,423 INFO L93 Difference]: Finished difference Result 331 states and 589 transitions. [2022-10-15 17:24:30,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:24:30,424 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 17:24:30,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:30,430 INFO L225 Difference]: With dead ends: 331 [2022-10-15 17:24:30,431 INFO L226 Difference]: Without dead ends: 328 [2022-10-15 17:24:30,435 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 17:24:30,436 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 3 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:30,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2291 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:30,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-10-15 17:24:30,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2022-10-15 17:24:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.654434250764526) internal successors, (541), 327 states have internal predecessors, (541), 0 states have call successors, (0), 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 17:24:30,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 541 transitions. [2022-10-15 17:24:30,484 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 541 transitions. Word has length 77 [2022-10-15 17:24:30,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:30,485 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 541 transitions. [2022-10-15 17:24:30,485 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 17:24:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 541 transitions. [2022-10-15 17:24:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-15 17:24:30,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:30,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:30,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:24:30,492 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:30,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:30,493 INFO L85 PathProgramCache]: Analyzing trace with hash -550758364, now seen corresponding path program 1 times [2022-10-15 17:24:30,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:30,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343922143] [2022-10-15 17:24:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:30,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:30,802 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 17:24:30,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:30,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343922143] [2022-10-15 17:24:30,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343922143] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:30,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:30,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:30,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389073482] [2022-10-15 17:24:30,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:30,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:30,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:30,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:30,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:30,806 INFO L87 Difference]: Start difference. First operand 328 states and 541 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 17:24:30,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:30,872 INFO L93 Difference]: Finished difference Result 448 states and 738 transitions. [2022-10-15 17:24:30,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:30,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-15 17:24:30,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:30,877 INFO L225 Difference]: With dead ends: 448 [2022-10-15 17:24:30,877 INFO L226 Difference]: Without dead ends: 448 [2022-10-15 17:24:30,878 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 17:24:30,879 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 194 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:30,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1018 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2022-10-15 17:24:30,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 445. [2022-10-15 17:24:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.6576576576576576) internal successors, (736), 444 states have internal predecessors, (736), 0 states have call successors, (0), 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 17:24:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 736 transitions. [2022-10-15 17:24:30,898 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 736 transitions. Word has length 122 [2022-10-15 17:24:30,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:30,900 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 736 transitions. [2022-10-15 17:24:30,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 17:24:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 736 transitions. [2022-10-15 17:24:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-15 17:24:30,905 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:30,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:30,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:24:30,906 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:30,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:30,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1222100528, now seen corresponding path program 1 times [2022-10-15 17:24:30,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:30,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813422122] [2022-10-15 17:24:30,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:30,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:31,092 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 17:24:31,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:31,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813422122] [2022-10-15 17:24:31,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813422122] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:31,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:31,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:31,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252807633] [2022-10-15 17:24:31,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:31,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:31,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:31,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:31,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:31,096 INFO L87 Difference]: Start difference. First operand 445 states and 736 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 17:24:31,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:31,131 INFO L93 Difference]: Finished difference Result 674 states and 1116 transitions. [2022-10-15 17:24:31,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:31,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-15 17:24:31,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:31,137 INFO L225 Difference]: With dead ends: 674 [2022-10-15 17:24:31,137 INFO L226 Difference]: Without dead ends: 674 [2022-10-15 17:24:31,137 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 17:24:31,139 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 195 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:31,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1031 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:31,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2022-10-15 17:24:31,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 670. [2022-10-15 17:24:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 669 states have (on average 1.663677130044843) internal successors, (1113), 669 states have internal predecessors, (1113), 0 states have call successors, (0), 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 17:24:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1113 transitions. [2022-10-15 17:24:31,164 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1113 transitions. Word has length 125 [2022-10-15 17:24:31,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:31,165 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 1113 transitions. [2022-10-15 17:24:31,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 17:24:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1113 transitions. [2022-10-15 17:24:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-15 17:24:31,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:31,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:31,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:24:31,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:31,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:31,169 INFO L85 PathProgramCache]: Analyzing trace with hash -116041787, now seen corresponding path program 1 times [2022-10-15 17:24:31,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:31,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643051255] [2022-10-15 17:24:31,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:31,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:31,350 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 17:24:31,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:31,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643051255] [2022-10-15 17:24:31,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643051255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:31,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:31,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:31,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987047560] [2022-10-15 17:24:31,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:31,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:31,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:31,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:31,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:31,353 INFO L87 Difference]: Start difference. First operand 670 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 17:24:31,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:31,387 INFO L93 Difference]: Finished difference Result 1104 states and 1830 transitions. [2022-10-15 17:24:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:31,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-15 17:24:31,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:31,395 INFO L225 Difference]: With dead ends: 1104 [2022-10-15 17:24:31,395 INFO L226 Difference]: Without dead ends: 1104 [2022-10-15 17:24:31,395 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 17:24:31,397 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 188 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:31,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1032 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:31,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-10-15 17:24:31,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1098. [2022-10-15 17:24:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1097 states have (on average 1.6636280765724705) internal successors, (1825), 1097 states have internal predecessors, (1825), 0 states have call successors, (0), 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 17:24:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1825 transitions. [2022-10-15 17:24:31,432 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1825 transitions. Word has length 128 [2022-10-15 17:24:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:31,433 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1825 transitions. [2022-10-15 17:24:31,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 17:24:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1825 transitions. [2022-10-15 17:24:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-15 17:24:31,436 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:31,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:31,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:24:31,437 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:31,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:31,437 INFO L85 PathProgramCache]: Analyzing trace with hash 655173041, now seen corresponding path program 1 times [2022-10-15 17:24:31,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:31,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048622896] [2022-10-15 17:24:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:31,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:31,622 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 17:24:31,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:31,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048622896] [2022-10-15 17:24:31,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048622896] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:31,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:31,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:31,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512115531] [2022-10-15 17:24:31,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:31,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:31,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:31,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:31,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:31,627 INFO L87 Difference]: Start difference. First operand 1098 states and 1825 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 17:24:31,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:31,670 INFO L93 Difference]: Finished difference Result 1920 states and 3174 transitions. [2022-10-15 17:24:31,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:31,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-15 17:24:31,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:31,682 INFO L225 Difference]: With dead ends: 1920 [2022-10-15 17:24:31,683 INFO L226 Difference]: Without dead ends: 1920 [2022-10-15 17:24:31,683 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 17:24:31,687 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 181 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:31,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1033 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:31,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2022-10-15 17:24:31,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1910. [2022-10-15 17:24:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1910 states, 1909 states have (on average 1.6579360921948665) internal successors, (3165), 1909 states have internal predecessors, (3165), 0 states have call successors, (0), 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 17:24:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 3165 transitions. [2022-10-15 17:24:31,751 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 3165 transitions. Word has length 131 [2022-10-15 17:24:31,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:31,752 INFO L495 AbstractCegarLoop]: Abstraction has 1910 states and 3165 transitions. [2022-10-15 17:24:31,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 17:24:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 3165 transitions. [2022-10-15 17:24:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-15 17:24:31,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:31,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:31,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:24:31,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:31,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:31,771 INFO L85 PathProgramCache]: Analyzing trace with hash 455457894, now seen corresponding path program 1 times [2022-10-15 17:24:31,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:31,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64951411] [2022-10-15 17:24:31,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:31,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:32,013 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 17:24:32,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:32,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64951411] [2022-10-15 17:24:32,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64951411] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:32,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:32,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:24:32,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768104801] [2022-10-15 17:24:32,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:32,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:24:32,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:32,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:24:32,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:24:32,017 INFO L87 Difference]: Start difference. First operand 1910 states and 3165 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 17:24:32,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:32,424 INFO L93 Difference]: Finished difference Result 8192 states and 13668 transitions. [2022-10-15 17:24:32,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 17:24:32,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-15 17:24:32,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:32,487 INFO L225 Difference]: With dead ends: 8192 [2022-10-15 17:24:32,487 INFO L226 Difference]: Without dead ends: 8192 [2022-10-15 17:24:32,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-15 17:24:32,493 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 2412 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:32,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 3741 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:24:32,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8192 states. [2022-10-15 17:24:32,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8192 to 3510. [2022-10-15 17:24:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3510 states, 3509 states have (on average 1.6591621544599602) internal successors, (5822), 3509 states have internal predecessors, (5822), 0 states have call successors, (0), 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 17:24:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 5822 transitions. [2022-10-15 17:24:32,732 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 5822 transitions. Word has length 134 [2022-10-15 17:24:32,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:32,733 INFO L495 AbstractCegarLoop]: Abstraction has 3510 states and 5822 transitions. [2022-10-15 17:24:32,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 17:24:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 5822 transitions. [2022-10-15 17:24:32,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-15 17:24:32,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:32,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:32,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:24:32,745 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:32,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:32,746 INFO L85 PathProgramCache]: Analyzing trace with hash -860313711, now seen corresponding path program 1 times [2022-10-15 17:24:32,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:32,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700923803] [2022-10-15 17:24:32,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:32,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:32,998 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 17:24:32,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:32,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700923803] [2022-10-15 17:24:32,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700923803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:32,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:32,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:24:32,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739202560] [2022-10-15 17:24:32,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:33,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:24:33,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:33,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:24:33,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:24:33,002 INFO L87 Difference]: Start difference. First operand 3510 states and 5822 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 17:24:33,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:33,140 INFO L93 Difference]: Finished difference Result 6952 states and 11600 transitions. [2022-10-15 17:24:33,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:24:33,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-15 17:24:33,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:33,182 INFO L225 Difference]: With dead ends: 6952 [2022-10-15 17:24:33,182 INFO L226 Difference]: Without dead ends: 6952 [2022-10-15 17:24:33,183 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 17:24:33,184 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 655 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:33,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 1607 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:33,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6952 states. [2022-10-15 17:24:33,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6952 to 5214. [2022-10-15 17:24:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5214 states, 5213 states have (on average 1.6621906771532706) internal successors, (8665), 5213 states have internal predecessors, (8665), 0 states have call successors, (0), 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 17:24:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 5214 states and 8665 transitions. [2022-10-15 17:24:33,409 INFO L78 Accepts]: Start accepts. Automaton has 5214 states and 8665 transitions. Word has length 135 [2022-10-15 17:24:33,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:33,410 INFO L495 AbstractCegarLoop]: Abstraction has 5214 states and 8665 transitions. [2022-10-15 17:24:33,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 17:24:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5214 states and 8665 transitions. [2022-10-15 17:24:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-15 17:24:33,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:33,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:33,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:24:33,416 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:33,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:33,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1469443837, now seen corresponding path program 1 times [2022-10-15 17:24:33,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:33,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524274855] [2022-10-15 17:24:33,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:33,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:33,656 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 17:24:33,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:33,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524274855] [2022-10-15 17:24:33,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524274855] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:33,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:33,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:24:33,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424623841] [2022-10-15 17:24:33,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:33,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:24:33,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:33,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:24:33,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:24:33,660 INFO L87 Difference]: Start difference. First operand 5214 states and 8665 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 17:24:33,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:33,810 INFO L93 Difference]: Finished difference Result 10278 states and 17107 transitions. [2022-10-15 17:24:33,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:24:33,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-15 17:24:33,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:33,876 INFO L225 Difference]: With dead ends: 10278 [2022-10-15 17:24:33,876 INFO L226 Difference]: Without dead ends: 10278 [2022-10-15 17:24:33,876 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 17:24:33,880 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 653 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1654 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:33,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1654 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:33,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10278 states. [2022-10-15 17:24:34,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10278 to 7722. [2022-10-15 17:24:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7722 states, 7721 states have (on average 1.6602771661701852) internal successors, (12819), 7721 states have internal predecessors, (12819), 0 states have call successors, (0), 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 17:24:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7722 states to 7722 states and 12819 transitions. [2022-10-15 17:24:34,202 INFO L78 Accepts]: Start accepts. Automaton has 7722 states and 12819 transitions. Word has length 136 [2022-10-15 17:24:34,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:34,203 INFO L495 AbstractCegarLoop]: Abstraction has 7722 states and 12819 transitions. [2022-10-15 17:24:34,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 17:24:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7722 states and 12819 transitions. [2022-10-15 17:24:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-15 17:24:34,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:34,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:34,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:24:34,210 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:34,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:34,212 INFO L85 PathProgramCache]: Analyzing trace with hash 846488136, now seen corresponding path program 1 times [2022-10-15 17:24:34,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:34,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131115942] [2022-10-15 17:24:34,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:34,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:34,435 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 17:24:34,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:34,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131115942] [2022-10-15 17:24:34,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131115942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:34,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:34,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:24:34,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011677840] [2022-10-15 17:24:34,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:34,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:24:34,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:34,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:24:34,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:24:34,438 INFO L87 Difference]: Start difference. First operand 7722 states and 12819 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 17:24:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:34,690 INFO L93 Difference]: Finished difference Result 15186 states and 25245 transitions. [2022-10-15 17:24:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:24:34,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-15 17:24:34,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:34,737 INFO L225 Difference]: With dead ends: 15186 [2022-10-15 17:24:34,738 INFO L226 Difference]: Without dead ends: 15186 [2022-10-15 17:24:34,738 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 17:24:34,739 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 651 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1765 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 17:24:34,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1765 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:34,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15186 states. [2022-10-15 17:24:35,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15186 to 11420. [2022-10-15 17:24:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11420 states, 11419 states have (on average 1.658201243541466) internal successors, (18935), 11419 states have internal predecessors, (18935), 0 states have call successors, (0), 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 17:24:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11420 states to 11420 states and 18935 transitions. [2022-10-15 17:24:35,109 INFO L78 Accepts]: Start accepts. Automaton has 11420 states and 18935 transitions. Word has length 137 [2022-10-15 17:24:35,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:35,109 INFO L495 AbstractCegarLoop]: Abstraction has 11420 states and 18935 transitions. [2022-10-15 17:24:35,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 17:24:35,110 INFO L276 IsEmpty]: Start isEmpty. Operand 11420 states and 18935 transitions. [2022-10-15 17:24:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 17:24:35,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:35,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:35,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:24:35,118 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:35,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:35,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1116265068, now seen corresponding path program 1 times [2022-10-15 17:24:35,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:35,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271665435] [2022-10-15 17:24:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:35,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:35,331 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 17:24:35,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:35,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271665435] [2022-10-15 17:24:35,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271665435] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:35,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:35,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:24:35,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094563596] [2022-10-15 17:24:35,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:35,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:24:35,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:35,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:24:35,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:24:35,335 INFO L87 Difference]: Start difference. First operand 11420 states and 18935 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:35,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:35,545 INFO L93 Difference]: Finished difference Result 22280 states and 36989 transitions. [2022-10-15 17:24:35,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:24:35,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-15 17:24:35,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:35,603 INFO L225 Difference]: With dead ends: 22280 [2022-10-15 17:24:35,603 INFO L226 Difference]: Without dead ends: 22280 [2022-10-15 17:24:35,604 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 17:24:35,604 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 649 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 1774 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 17:24:35,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 1774 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:35,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22280 states. [2022-10-15 17:24:36,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22280 to 16802. [2022-10-15 17:24:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16802 states, 16801 states have (on average 1.656032379025058) internal successors, (27823), 16801 states have internal predecessors, (27823), 0 states have call successors, (0), 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 17:24:36,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16802 states to 16802 states and 27823 transitions. [2022-10-15 17:24:36,368 INFO L78 Accepts]: Start accepts. Automaton has 16802 states and 27823 transitions. Word has length 138 [2022-10-15 17:24:36,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:36,372 INFO L495 AbstractCegarLoop]: Abstraction has 16802 states and 27823 transitions. [2022-10-15 17:24:36,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 16802 states and 27823 transitions. [2022-10-15 17:24:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 17:24:36,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:36,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:36,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:24:36,414 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:36,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:36,415 INFO L85 PathProgramCache]: Analyzing trace with hash -397139727, now seen corresponding path program 1 times [2022-10-15 17:24:36,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:36,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795866445] [2022-10-15 17:24:36,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:36,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:36,629 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 17:24:36,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:36,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795866445] [2022-10-15 17:24:36,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795866445] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:36,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:36,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:36,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285494258] [2022-10-15 17:24:36,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:36,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:36,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:36,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:36,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:36,633 INFO L87 Difference]: Start difference. First operand 16802 states and 27823 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:36,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:36,842 INFO L93 Difference]: Finished difference Result 26582 states and 43754 transitions. [2022-10-15 17:24:36,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:36,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-15 17:24:36,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:36,915 INFO L225 Difference]: With dead ends: 26582 [2022-10-15 17:24:36,915 INFO L226 Difference]: Without dead ends: 26582 [2022-10-15 17:24:36,915 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 17:24:36,916 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 180 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1081 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 17:24:36,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1081 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:36,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26582 states. [2022-10-15 17:24:37,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26582 to 26580. [2022-10-15 17:24:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26580 states, 26579 states have (on average 1.646149215546108) internal successors, (43753), 26579 states have internal predecessors, (43753), 0 states have call successors, (0), 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 17:24:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26580 states to 26580 states and 43753 transitions. [2022-10-15 17:24:37,678 INFO L78 Accepts]: Start accepts. Automaton has 26580 states and 43753 transitions. Word has length 138 [2022-10-15 17:24:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:37,678 INFO L495 AbstractCegarLoop]: Abstraction has 26580 states and 43753 transitions. [2022-10-15 17:24:37,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 26580 states and 43753 transitions. [2022-10-15 17:24:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 17:24:37,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:37,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:37,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:24:37,685 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:37,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:37,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1906561851, now seen corresponding path program 1 times [2022-10-15 17:24:37,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:37,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121124694] [2022-10-15 17:24:37,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:37,805 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 17:24:37,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:37,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121124694] [2022-10-15 17:24:37,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121124694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:37,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:37,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:37,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960601027] [2022-10-15 17:24:37,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:37,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:37,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:37,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:37,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:37,808 INFO L87 Difference]: Start difference. First operand 26580 states and 43753 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:38,093 INFO L93 Difference]: Finished difference Result 40152 states and 65842 transitions. [2022-10-15 17:24:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:38,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-15 17:24:38,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:38,211 INFO L225 Difference]: With dead ends: 40152 [2022-10-15 17:24:38,211 INFO L226 Difference]: Without dead ends: 40152 [2022-10-15 17:24:38,212 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 17:24:38,213 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 187 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:38,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 1126 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:38,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40152 states. [2022-10-15 17:24:39,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40152 to 40150. [2022-10-15 17:24:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40150 states, 40149 states have (on average 1.6399163117387732) internal successors, (65841), 40149 states have internal predecessors, (65841), 0 states have call successors, (0), 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 17:24:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40150 states to 40150 states and 65841 transitions. [2022-10-15 17:24:39,607 INFO L78 Accepts]: Start accepts. Automaton has 40150 states and 65841 transitions. Word has length 138 [2022-10-15 17:24:39,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:39,610 INFO L495 AbstractCegarLoop]: Abstraction has 40150 states and 65841 transitions. [2022-10-15 17:24:39,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:39,613 INFO L276 IsEmpty]: Start isEmpty. Operand 40150 states and 65841 transitions. [2022-10-15 17:24:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 17:24:39,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:39,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:39,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:24:39,622 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:39,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:39,623 INFO L85 PathProgramCache]: Analyzing trace with hash 968808881, now seen corresponding path program 1 times [2022-10-15 17:24:39,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:39,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688774350] [2022-10-15 17:24:39,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:39,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:24:39,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:39,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688774350] [2022-10-15 17:24:39,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688774350] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:39,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:39,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:39,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548707880] [2022-10-15 17:24:39,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:39,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:39,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:39,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:39,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:39,754 INFO L87 Difference]: Start difference. First operand 40150 states and 65841 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:40,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:40,185 INFO L93 Difference]: Finished difference Result 60584 states and 98792 transitions. [2022-10-15 17:24:40,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:40,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-15 17:24:40,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:40,393 INFO L225 Difference]: With dead ends: 60584 [2022-10-15 17:24:40,394 INFO L226 Difference]: Without dead ends: 60584 [2022-10-15 17:24:40,394 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 17:24:40,395 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 194 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1171 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 17:24:40,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1171 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:40,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60584 states. [2022-10-15 17:24:41,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60584 to 60582. [2022-10-15 17:24:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60582 states, 60581 states have (on average 1.6307258051204172) internal successors, (98791), 60581 states have internal predecessors, (98791), 0 states have call successors, (0), 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 17:24:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60582 states to 60582 states and 98791 transitions. [2022-10-15 17:24:42,141 INFO L78 Accepts]: Start accepts. Automaton has 60582 states and 98791 transitions. Word has length 138 [2022-10-15 17:24:42,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:42,142 INFO L495 AbstractCegarLoop]: Abstraction has 60582 states and 98791 transitions. [2022-10-15 17:24:42,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:42,142 INFO L276 IsEmpty]: Start isEmpty. Operand 60582 states and 98791 transitions. [2022-10-15 17:24:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 17:24:42,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:42,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:42,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:24:42,154 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:42,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:42,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1444659835, now seen corresponding path program 1 times [2022-10-15 17:24:42,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:42,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216879178] [2022-10-15 17:24:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:42,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:42,273 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 17:24:42,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:42,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216879178] [2022-10-15 17:24:42,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216879178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:42,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:42,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:24:42,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146905097] [2022-10-15 17:24:42,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:42,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:24:42,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:42,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:24:42,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:24:42,277 INFO L87 Difference]: Start difference. First operand 60582 states and 98791 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:42,939 INFO L93 Difference]: Finished difference Result 91486 states and 148628 transitions. [2022-10-15 17:24:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:24:42,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-15 17:24:42,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:43,180 INFO L225 Difference]: With dead ends: 91486 [2022-10-15 17:24:43,181 INFO L226 Difference]: Without dead ends: 91486 [2022-10-15 17:24:43,183 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 17:24:43,184 INFO L413 NwaCegarLoop]: 708 mSDtfsCounter, 201 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1208 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 17:24:43,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1208 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:43,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91486 states. [2022-10-15 17:24:44,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91486 to 91484. [2022-10-15 17:24:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91484 states, 91483 states have (on average 1.6246406436168468) internal successors, (148627), 91483 states have internal predecessors, (148627), 0 states have call successors, (0), 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 17:24:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91484 states to 91484 states and 148627 transitions. [2022-10-15 17:24:45,249 INFO L78 Accepts]: Start accepts. Automaton has 91484 states and 148627 transitions. Word has length 138 [2022-10-15 17:24:45,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:45,257 INFO L495 AbstractCegarLoop]: Abstraction has 91484 states and 148627 transitions. [2022-10-15 17:24:45,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 17:24:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 91484 states and 148627 transitions. [2022-10-15 17:24:45,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-15 17:24:45,261 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:45,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:45,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:24:45,262 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:45,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1205053460, now seen corresponding path program 1 times [2022-10-15 17:24:45,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:45,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911237551] [2022-10-15 17:24:45,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:45,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:24:45,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:45,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911237551] [2022-10-15 17:24:45,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911237551] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:45,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:45,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:24:45,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119661543] [2022-10-15 17:24:45,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:45,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:24:45,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:45,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:24:45,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:24:45,744 INFO L87 Difference]: Start difference. First operand 91484 states and 148627 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 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 17:24:46,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:46,559 INFO L93 Difference]: Finished difference Result 91486 states and 148003 transitions. [2022-10-15 17:24:46,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:24:46,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-15 17:24:46,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:46,765 INFO L225 Difference]: With dead ends: 91486 [2022-10-15 17:24:46,766 INFO L226 Difference]: Without dead ends: 91486 [2022-10-15 17:24:46,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:24:46,767 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 891 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:46,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 2040 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:46,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91486 states. [2022-10-15 17:24:48,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91486 to 91484. [2022-10-15 17:24:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91484 states, 91483 states have (on average 1.6178087732146955) internal successors, (148002), 91483 states have internal predecessors, (148002), 0 states have call successors, (0), 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 17:24:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91484 states to 91484 states and 148002 transitions. [2022-10-15 17:24:49,142 INFO L78 Accepts]: Start accepts. Automaton has 91484 states and 148002 transitions. Word has length 140 [2022-10-15 17:24:49,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:49,142 INFO L495 AbstractCegarLoop]: Abstraction has 91484 states and 148002 transitions. [2022-10-15 17:24:49,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 0 states have call successors, (0), 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 17:24:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 91484 states and 148002 transitions. [2022-10-15 17:24:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-15 17:24:49,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:49,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:49,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:24:49,146 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:49,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash 836779979, now seen corresponding path program 1 times [2022-10-15 17:24:49,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:49,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403904392] [2022-10-15 17:24:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:24:49,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:49,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403904392] [2022-10-15 17:24:49,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403904392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:49,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:49,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:24:49,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136595159] [2022-10-15 17:24:49,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:49,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:24:49,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:49,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:24:49,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:24:49,585 INFO L87 Difference]: Start difference. First operand 91484 states and 148002 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 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 17:24:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:50,622 INFO L93 Difference]: Finished difference Result 176252 states and 283560 transitions. [2022-10-15 17:24:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:24:50,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2022-10-15 17:24:50,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:50,924 INFO L225 Difference]: With dead ends: 176252 [2022-10-15 17:24:50,924 INFO L226 Difference]: Without dead ends: 176252 [2022-10-15 17:24:50,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:24:50,926 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 518 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:50,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 2051 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:24:51,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176252 states. [2022-10-15 17:24:54,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176252 to 176250. [2022-10-15 17:24:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176250 states, 176249 states have (on average 1.6088545183235081) internal successors, (283559), 176249 states have internal predecessors, (283559), 0 states have call successors, (0), 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 17:24:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176250 states to 176250 states and 283559 transitions. [2022-10-15 17:24:55,126 INFO L78 Accepts]: Start accepts. Automaton has 176250 states and 283559 transitions. Word has length 143 [2022-10-15 17:24:55,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:24:55,126 INFO L495 AbstractCegarLoop]: Abstraction has 176250 states and 283559 transitions. [2022-10-15 17:24:55,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 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 17:24:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 176250 states and 283559 transitions. [2022-10-15 17:24:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-15 17:24:55,129 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:24:55,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:24:55,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 17:24:55,130 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:24:55,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:24:55,131 INFO L85 PathProgramCache]: Analyzing trace with hash -260969643, now seen corresponding path program 1 times [2022-10-15 17:24:55,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:24:55,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123570413] [2022-10-15 17:24:55,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:24:55,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:24:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:24:55,928 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 17:24:55,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:24:55,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123570413] [2022-10-15 17:24:55,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123570413] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:24:55,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:24:55,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 17:24:55,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637421113] [2022-10-15 17:24:55,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:24:55,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 17:24:55,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:24:55,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 17:24:55,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:24:55,931 INFO L87 Difference]: Start difference. First operand 176250 states and 283559 transitions. Second operand has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 states have internal predecessors, (144), 0 states have call successors, (0), 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 17:24:57,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:24:57,658 INFO L93 Difference]: Finished difference Result 339569 states and 540021 transitions. [2022-10-15 17:24:57,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 17:24:57,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2022-10-15 17:24:57,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:24:58,704 INFO L225 Difference]: With dead ends: 339569 [2022-10-15 17:24:58,705 INFO L226 Difference]: Without dead ends: 339569 [2022-10-15 17:24:58,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-15 17:24:58,709 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 1612 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 3205 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:24:58,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 3205 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:24:58,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339569 states. [2022-10-15 17:25:02,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339569 to 182058. [2022-10-15 17:25:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182058 states, 182057 states have (on average 1.5892824774658485) internal successors, (289340), 182057 states have internal predecessors, (289340), 0 states have call successors, (0), 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 17:25:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182058 states to 182058 states and 289340 transitions. [2022-10-15 17:25:02,796 INFO L78 Accepts]: Start accepts. Automaton has 182058 states and 289340 transitions. Word has length 144 [2022-10-15 17:25:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:25:02,796 INFO L495 AbstractCegarLoop]: Abstraction has 182058 states and 289340 transitions. [2022-10-15 17:25:02,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 states have internal predecessors, (144), 0 states have call successors, (0), 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 17:25:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 182058 states and 289340 transitions. [2022-10-15 17:25:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-15 17:25:02,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:25:02,804 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:25:02,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 17:25:02,805 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:25:02,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:25:02,805 INFO L85 PathProgramCache]: Analyzing trace with hash 543151442, now seen corresponding path program 1 times [2022-10-15 17:25:02,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:25:02,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597209242] [2022-10-15 17:25:02,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:25:02,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:25:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:25:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-15 17:25:03,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:25:03,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597209242] [2022-10-15 17:25:03,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597209242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:25:03,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:25:03,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:25:03,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757541824] [2022-10-15 17:25:03,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:25:03,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:25:03,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:25:03,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:25:03,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:25:03,866 INFO L87 Difference]: Start difference. First operand 182058 states and 289340 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:25:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:25:06,025 INFO L93 Difference]: Finished difference Result 417418 states and 664094 transitions. [2022-10-15 17:25:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:25:06,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 6 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2022-10-15 17:25:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:25:07,487 INFO L225 Difference]: With dead ends: 417418 [2022-10-15 17:25:07,491 INFO L226 Difference]: Without dead ends: 417418 [2022-10-15 17:25:07,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:25:07,511 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 1475 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 2654 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:25:07,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 2654 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:25:07,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417418 states. [2022-10-15 17:25:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417418 to 292842. [2022-10-15 17:25:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292842 states, 292841 states have (on average 1.5872913970379832) internal successors, (464824), 292841 states have internal predecessors, (464824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)