/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:31:56,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:31:56,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:31:56,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:31:56,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:31:56,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:31:56,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:31:56,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:31:56,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:31:56,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:31:56,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:31:56,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:31:56,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:31:56,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:31:57,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:31:57,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:31:57,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:31:57,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:31:57,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:31:57,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:31:57,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:31:57,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:31:57,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:31:57,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:31:57,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:31:57,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:31:57,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:31:57,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:31:57,070 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 17:31:57,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:31:57,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:31:57,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:31:57,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:31:57,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:31:57,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:31:57,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:31:57,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:31:57,145 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:31:57,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:31:57,149 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:31:57,149 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:31:57,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:31:57,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:31:57,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:31:57,150 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:31:57,151 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:31:57,151 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:31:57,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:31:57,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:31:57,151 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:31:57,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:31:57,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:31:57,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:31:57,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:31:57,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:31:57,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:31:57,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:31:57,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:31:57,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:31:57,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:31:57,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:31:57,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:31:57,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:31:57,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:31:57,781 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:31:57,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c [2022-10-15 17:31:57,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35e650d3/06aed6fc4f084d80bd0e6b4d217624ef/FLAG663af7564 [2022-10-15 17:31:59,170 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:31:59,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c [2022-10-15 17:31:59,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35e650d3/06aed6fc4f084d80bd0e6b4d217624ef/FLAG663af7564 [2022-10-15 17:31:59,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35e650d3/06aed6fc4f084d80bd0e6b4d217624ef [2022-10-15 17:31:59,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:31:59,643 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:31:59,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:31:59,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:31:59,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:31:59,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:31:59" (1/1) ... [2022-10-15 17:31:59,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bbc00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:31:59, skipping insertion in model container [2022-10-15 17:31:59,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:31:59" (1/1) ... [2022-10-15 17:31:59,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:31:59,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:32:00,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c[30249,30262] [2022-10-15 17:32:00,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c[33700,33713] [2022-10-15 17:32:01,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:32:01,089 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:32:01,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c[30249,30262] [2022-10-15 17:32:01,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c[33700,33713] [2022-10-15 17:32:01,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:32:01,796 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:32:01,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01 WrapperNode [2022-10-15 17:32:01,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:32:01,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:32:01,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:32:01,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:32:01,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:01,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,026 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3743 [2022-10-15 17:32:02,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:32:02,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:32:02,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:32:02,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:32:02,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:32:02,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:32:02,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:32:02,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:32:02,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (1/1) ... [2022-10-15 17:32:02,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:32:02,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:32:02,276 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 17:32:02,282 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 17:32:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:32:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:32:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:32:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:32:02,596 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:32:02,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:32:05,876 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:32:05,900 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:32:05,900 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:32:05,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:32:05 BoogieIcfgContainer [2022-10-15 17:32:05,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:32:05,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:32:05,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:32:05,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:32:05,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:31:59" (1/3) ... [2022-10-15 17:32:05,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f7bc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:32:05, skipping insertion in model container [2022-10-15 17:32:05,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:01" (2/3) ... [2022-10-15 17:32:05,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f7bc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:32:05, skipping insertion in model container [2022-10-15 17:32:05,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:32:05" (3/3) ... [2022-10-15 17:32:05,919 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c [2022-10-15 17:32:05,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:32:05,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-15 17:32:06,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:32:06,046 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;@26f6848a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:32:06,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-15 17:32:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 1074 states, 1070 states have (on average 1.750467289719626) internal successors, (1873), 1073 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states 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 17:32:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 17:32:06,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:06,086 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] [2022-10-15 17:32:06,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:06,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:06,101 INFO L85 PathProgramCache]: Analyzing trace with hash 945242663, now seen corresponding path program 1 times [2022-10-15 17:32:06,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:06,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432904055] [2022-10-15 17:32:06,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:06,865 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 17:32:06,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:06,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432904055] [2022-10-15 17:32:06,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432904055] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:06,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:06,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:32:06,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895096016] [2022-10-15 17:32:06,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:06,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:06,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:06,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:06,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:06,927 INFO L87 Difference]: Start difference. First operand has 1074 states, 1070 states have (on average 1.750467289719626) internal successors, (1873), 1073 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 17:32:07,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:07,072 INFO L93 Difference]: Finished difference Result 1073 states and 1870 transitions. [2022-10-15 17:32:07,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:07,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-15 17:32:07,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:07,126 INFO L225 Difference]: With dead ends: 1073 [2022-10-15 17:32:07,127 INFO L226 Difference]: Without dead ends: 1070 [2022-10-15 17:32:07,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:07,137 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 1817 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:07,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 1869 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:32:07,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2022-10-15 17:32:07,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2022-10-15 17:32:07,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1068 states have (on average 1.7368913857677903) internal successors, (1855), 1069 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states 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 17:32:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1855 transitions. [2022-10-15 17:32:07,274 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1855 transitions. Word has length 54 [2022-10-15 17:32:07,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:07,275 INFO L495 AbstractCegarLoop]: Abstraction has 1070 states and 1855 transitions. [2022-10-15 17:32:07,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 17:32:07,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1855 transitions. [2022-10-15 17:32:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-15 17:32:07,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:07,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:07,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:32:07,298 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:07,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash -410519448, now seen corresponding path program 1 times [2022-10-15 17:32:07,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:07,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802293510] [2022-10-15 17:32:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:07,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:08,042 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 17:32:08,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:08,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802293510] [2022-10-15 17:32:08,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802293510] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:08,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:08,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:32:08,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002239565] [2022-10-15 17:32:08,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:08,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:32:08,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:08,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:32:08,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:32:08,050 INFO L87 Difference]: Start difference. First operand 1070 states and 1855 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states 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 17:32:08,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:08,235 INFO L93 Difference]: Finished difference Result 1072 states and 1856 transitions. [2022-10-15 17:32:08,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:32:08,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2022-10-15 17:32:08,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:08,244 INFO L225 Difference]: With dead ends: 1072 [2022-10-15 17:32:08,245 INFO L226 Difference]: Without dead ends: 1070 [2022-10-15 17:32:08,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:32:08,248 INFO L413 NwaCegarLoop]: 1852 mSDtfsCounter, 214 mSDsluCounter, 3435 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 5287 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:08,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 5287 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:08,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2022-10-15 17:32:08,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2022-10-15 17:32:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 1068 states have (on average 1.6975655430711611) internal successors, (1813), 1069 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states 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 17:32:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1813 transitions. [2022-10-15 17:32:08,353 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1813 transitions. Word has length 156 [2022-10-15 17:32:08,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:08,354 INFO L495 AbstractCegarLoop]: Abstraction has 1070 states and 1813 transitions. [2022-10-15 17:32:08,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states 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 17:32:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1813 transitions. [2022-10-15 17:32:08,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-10-15 17:32:08,368 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:08,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:08,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:32:08,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:08,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:08,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2027184705, now seen corresponding path program 1 times [2022-10-15 17:32:08,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:08,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442839260] [2022-10-15 17:32:08,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:08,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:08,778 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 17:32:08,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:08,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442839260] [2022-10-15 17:32:08,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442839260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:08,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:08,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:08,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971298084] [2022-10-15 17:32:08,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:08,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:08,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:08,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:08,792 INFO L87 Difference]: Start difference. First operand 1070 states and 1813 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states 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 17:32:09,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:09,057 INFO L93 Difference]: Finished difference Result 1854 states and 3104 transitions. [2022-10-15 17:32:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:09,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 197 [2022-10-15 17:32:09,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:09,072 INFO L225 Difference]: With dead ends: 1854 [2022-10-15 17:32:09,072 INFO L226 Difference]: Without dead ends: 1854 [2022-10-15 17:32:09,073 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 17:32:09,075 INFO L413 NwaCegarLoop]: 2880 mSDtfsCounter, 1312 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 4539 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:09,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 4539 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:32:09,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2022-10-15 17:32:09,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1850. [2022-10-15 17:32:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1848 states have (on average 1.6785714285714286) internal successors, (3102), 1849 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states 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 17:32:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 3102 transitions. [2022-10-15 17:32:09,149 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 3102 transitions. Word has length 197 [2022-10-15 17:32:09,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:09,150 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 3102 transitions. [2022-10-15 17:32:09,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states 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 17:32:09,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 3102 transitions. [2022-10-15 17:32:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-10-15 17:32:09,157 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:09,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:09,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:32:09,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:09,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:09,160 INFO L85 PathProgramCache]: Analyzing trace with hash -945736116, now seen corresponding path program 1 times [2022-10-15 17:32:09,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:09,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205688023] [2022-10-15 17:32:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:09,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:09,456 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 17:32:09,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:09,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205688023] [2022-10-15 17:32:09,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205688023] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:09,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:09,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:09,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440368065] [2022-10-15 17:32:09,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:09,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:09,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:09,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:09,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:09,461 INFO L87 Difference]: Start difference. First operand 1850 states and 3102 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states 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 17:32:09,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:09,557 INFO L93 Difference]: Finished difference Result 2223 states and 3734 transitions. [2022-10-15 17:32:09,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:09,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 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 200 [2022-10-15 17:32:09,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:09,571 INFO L225 Difference]: With dead ends: 2223 [2022-10-15 17:32:09,572 INFO L226 Difference]: Without dead ends: 2223 [2022-10-15 17:32:09,572 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 17:32:09,574 INFO L413 NwaCegarLoop]: 2627 mSDtfsCounter, 1194 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 4189 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:09,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 4189 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:32:09,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2022-10-15 17:32:09,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2219. [2022-10-15 17:32:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2219 states, 2217 states have (on average 1.6833558863328824) internal successors, (3732), 2218 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states 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 17:32:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 3732 transitions. [2022-10-15 17:32:09,645 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 3732 transitions. Word has length 200 [2022-10-15 17:32:09,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:09,646 INFO L495 AbstractCegarLoop]: Abstraction has 2219 states and 3732 transitions. [2022-10-15 17:32:09,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states 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 17:32:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 3732 transitions. [2022-10-15 17:32:09,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-10-15 17:32:09,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:09,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:32:09,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:32:09,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:09,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:09,655 INFO L85 PathProgramCache]: Analyzing trace with hash 366700065, now seen corresponding path program 1 times [2022-10-15 17:32:09,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:09,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399804792] [2022-10-15 17:32:09,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:09,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:09,985 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 17:32:09,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:09,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399804792] [2022-10-15 17:32:09,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399804792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:09,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:09,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:09,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528149695] [2022-10-15 17:32:09,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:09,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:09,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:09,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:09,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:09,989 INFO L87 Difference]: Start difference. First operand 2219 states and 3732 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states 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 17:32:10,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:10,150 INFO L93 Difference]: Finished difference Result 4049 states and 6773 transitions. [2022-10-15 17:32:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:10,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2022-10-15 17:32:10,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:10,211 INFO L225 Difference]: With dead ends: 4049 [2022-10-15 17:32:10,211 INFO L226 Difference]: Without dead ends: 4049 [2022-10-15 17:32:10,212 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 17:32:10,214 INFO L413 NwaCegarLoop]: 3063 mSDtfsCounter, 1334 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 4724 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:10,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 4724 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4049 states. [2022-10-15 17:32:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4049 to 4045. [2022-10-15 17:32:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4045 states, 4043 states have (on average 1.6747464753895622) internal successors, (6771), 4044 states have internal predecessors, (6771), 0 states have call successors, (0), 0 states 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 17:32:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 4045 states and 6771 transitions. [2022-10-15 17:32:10,357 INFO L78 Accepts]: Start accepts. Automaton has 4045 states and 6771 transitions. Word has length 203 [2022-10-15 17:32:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:10,358 INFO L495 AbstractCegarLoop]: Abstraction has 4045 states and 6771 transitions. [2022-10-15 17:32:10,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states 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 17:32:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4045 states and 6771 transitions. [2022-10-15 17:32:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-10-15 17:32:10,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:10,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:10,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:32:10,374 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:10,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1687787636, now seen corresponding path program 1 times [2022-10-15 17:32:10,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:10,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924629360] [2022-10-15 17:32:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:10,598 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 17:32:10,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:10,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924629360] [2022-10-15 17:32:10,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924629360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:10,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:10,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:10,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312479923] [2022-10-15 17:32:10,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:10,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:10,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:10,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:10,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:10,603 INFO L87 Difference]: Start difference. First operand 4045 states and 6771 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states 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 17:32:10,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:10,735 INFO L93 Difference]: Finished difference Result 5159 states and 8643 transitions. [2022-10-15 17:32:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:10,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 206 [2022-10-15 17:32:10,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:10,767 INFO L225 Difference]: With dead ends: 5159 [2022-10-15 17:32:10,767 INFO L226 Difference]: Without dead ends: 5159 [2022-10-15 17:32:10,768 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 17:32:10,769 INFO L413 NwaCegarLoop]: 2561 mSDtfsCounter, 1169 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 4085 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:10,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 4085 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:10,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5159 states. [2022-10-15 17:32:10,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5159 to 5155. [2022-10-15 17:32:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5155 states, 5153 states have (on average 1.6768872501455463) internal successors, (8641), 5154 states have internal predecessors, (8641), 0 states have call successors, (0), 0 states 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 17:32:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 5155 states and 8641 transitions. [2022-10-15 17:32:11,032 INFO L78 Accepts]: Start accepts. Automaton has 5155 states and 8641 transitions. Word has length 206 [2022-10-15 17:32:11,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:11,033 INFO L495 AbstractCegarLoop]: Abstraction has 5155 states and 8641 transitions. [2022-10-15 17:32:11,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states 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 17:32:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 8641 transitions. [2022-10-15 17:32:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-15 17:32:11,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:11,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:11,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:32:11,051 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:11,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:11,053 INFO L85 PathProgramCache]: Analyzing trace with hash -469779909, now seen corresponding path program 1 times [2022-10-15 17:32:11,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:11,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827628199] [2022-10-15 17:32:11,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:11,335 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 17:32:11,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:11,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827628199] [2022-10-15 17:32:11,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827628199] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:11,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:11,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:11,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224699837] [2022-10-15 17:32:11,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:11,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:11,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:11,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:11,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:11,340 INFO L87 Difference]: Start difference. First operand 5155 states and 8641 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states 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 17:32:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:11,529 INFO L93 Difference]: Finished difference Result 9615 states and 15988 transitions. [2022-10-15 17:32:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:11,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 209 [2022-10-15 17:32:11,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:11,589 INFO L225 Difference]: With dead ends: 9615 [2022-10-15 17:32:11,589 INFO L226 Difference]: Without dead ends: 9615 [2022-10-15 17:32:11,590 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 17:32:11,591 INFO L413 NwaCegarLoop]: 2996 mSDtfsCounter, 1308 mSDsluCounter, 1615 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 4611 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:11,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 4611 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9615 states. [2022-10-15 17:32:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9615 to 9611. [2022-10-15 17:32:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9611 states, 9609 states have (on average 1.6636486627120408) internal successors, (15986), 9610 states have internal predecessors, (15986), 0 states have call successors, (0), 0 states 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 17:32:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9611 states to 9611 states and 15986 transitions. [2022-10-15 17:32:12,207 INFO L78 Accepts]: Start accepts. Automaton has 9611 states and 15986 transitions. Word has length 209 [2022-10-15 17:32:12,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:12,208 INFO L495 AbstractCegarLoop]: Abstraction has 9611 states and 15986 transitions. [2022-10-15 17:32:12,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states 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 17:32:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand 9611 states and 15986 transitions. [2022-10-15 17:32:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-15 17:32:12,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:12,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:12,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:32:12,243 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:12,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:12,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1363493332, now seen corresponding path program 1 times [2022-10-15 17:32:12,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:12,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585421530] [2022-10-15 17:32:12,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:12,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:12,513 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 17:32:12,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:12,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585421530] [2022-10-15 17:32:12,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585421530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:12,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:12,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:12,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231408970] [2022-10-15 17:32:12,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:12,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:12,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:12,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:12,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:12,518 INFO L87 Difference]: Start difference. First operand 9611 states and 15986 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states 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 17:32:12,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:12,706 INFO L93 Difference]: Finished difference Result 12501 states and 20796 transitions. [2022-10-15 17:32:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:12,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 212 [2022-10-15 17:32:12,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:12,747 INFO L225 Difference]: With dead ends: 12501 [2022-10-15 17:32:12,747 INFO L226 Difference]: Without dead ends: 12501 [2022-10-15 17:32:12,748 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 17:32:12,749 INFO L413 NwaCegarLoop]: 2495 mSDtfsCounter, 1144 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 3973 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:12,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 3973 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:12,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12501 states. [2022-10-15 17:32:13,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12501 to 12497. [2022-10-15 17:32:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12497 states, 12495 states have (on average 1.6641856742697079) internal successors, (20794), 12496 states have internal predecessors, (20794), 0 states have call successors, (0), 0 states 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 17:32:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12497 states to 12497 states and 20794 transitions. [2022-10-15 17:32:13,306 INFO L78 Accepts]: Start accepts. Automaton has 12497 states and 20794 transitions. Word has length 212 [2022-10-15 17:32:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:13,307 INFO L495 AbstractCegarLoop]: Abstraction has 12497 states and 20794 transitions. [2022-10-15 17:32:13,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states 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 17:32:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 12497 states and 20794 transitions. [2022-10-15 17:32:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-15 17:32:13,333 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:13,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:13,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:32:13,334 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:13,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:13,335 INFO L85 PathProgramCache]: Analyzing trace with hash -590783271, now seen corresponding path program 1 times [2022-10-15 17:32:13,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:13,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800999450] [2022-10-15 17:32:13,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:13,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:13,590 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 17:32:13,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:13,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800999450] [2022-10-15 17:32:13,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800999450] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:13,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:13,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:13,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629071966] [2022-10-15 17:32:13,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:13,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:13,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:13,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:13,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:13,594 INFO L87 Difference]: Start difference. First operand 12497 states and 20794 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:14,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:14,077 INFO L93 Difference]: Finished difference Result 23435 states and 38575 transitions. [2022-10-15 17:32:14,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:14,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-10-15 17:32:14,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:14,142 INFO L225 Difference]: With dead ends: 23435 [2022-10-15 17:32:14,143 INFO L226 Difference]: Without dead ends: 23435 [2022-10-15 17:32:14,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:14,144 INFO L413 NwaCegarLoop]: 2929 mSDtfsCounter, 1282 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:14,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1282 Valid, 4498 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:32:14,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23435 states. [2022-10-15 17:32:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23435 to 23431. [2022-10-15 17:32:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23431 states, 23429 states have (on average 1.6463784199069529) internal successors, (38573), 23430 states have internal predecessors, (38573), 0 states have call successors, (0), 0 states 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 17:32:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23431 states to 23431 states and 38573 transitions. [2022-10-15 17:32:15,301 INFO L78 Accepts]: Start accepts. Automaton has 23431 states and 38573 transitions. Word has length 215 [2022-10-15 17:32:15,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:15,302 INFO L495 AbstractCegarLoop]: Abstraction has 23431 states and 38573 transitions. [2022-10-15 17:32:15,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:32:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 23431 states and 38573 transitions. [2022-10-15 17:32:15,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-10-15 17:32:15,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:15,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:15,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:32:15,361 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:15,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:15,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1924814136, now seen corresponding path program 1 times [2022-10-15 17:32:15,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:15,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895612394] [2022-10-15 17:32:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:15,696 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 17:32:15,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:15,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895612394] [2022-10-15 17:32:15,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895612394] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:15,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:15,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:32:15,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671395334] [2022-10-15 17:32:15,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:15,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:32:15,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:15,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:32:15,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:15,701 INFO L87 Difference]: Start difference. First operand 23431 states and 38573 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states 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 17:32:16,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:16,099 INFO L93 Difference]: Finished difference Result 30359 states and 49913 transitions. [2022-10-15 17:32:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:32:16,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 218 [2022-10-15 17:32:16,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:16,208 INFO L225 Difference]: With dead ends: 30359 [2022-10-15 17:32:16,208 INFO L226 Difference]: Without dead ends: 30359 [2022-10-15 17:32:16,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:32:16,210 INFO L413 NwaCegarLoop]: 2429 mSDtfsCounter, 1119 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 3861 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:16,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 3861 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:32:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30359 states. [2022-10-15 17:32:17,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30359 to 30355. [2022-10-15 17:32:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30355 states, 30353 states have (on average 1.6443514644351465) internal successors, (49911), 30354 states have internal predecessors, (49911), 0 states have call successors, (0), 0 states 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 17:32:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30355 states to 30355 states and 49911 transitions. [2022-10-15 17:32:17,650 INFO L78 Accepts]: Start accepts. Automaton has 30355 states and 49911 transitions. Word has length 218 [2022-10-15 17:32:17,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:17,651 INFO L495 AbstractCegarLoop]: Abstraction has 30355 states and 49911 transitions. [2022-10-15 17:32:17,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states 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 17:32:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 30355 states and 49911 transitions. [2022-10-15 17:32:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-15 17:32:17,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:17,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:17,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:32:17,737 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:17,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:17,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1543961399, now seen corresponding path program 1 times [2022-10-15 17:32:17,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:17,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35048082] [2022-10-15 17:32:17,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:17,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:18,323 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 17:32:18,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:18,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35048082] [2022-10-15 17:32:18,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35048082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:18,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:18,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:32:18,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690273730] [2022-10-15 17:32:18,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:18,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:32:18,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:18,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:32:18,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:32:18,329 INFO L87 Difference]: Start difference. First operand 30355 states and 49911 transitions. Second operand has 6 states, 6 states have (on average 36.833333333333336) internal successors, (221), 6 states have internal predecessors, (221), 0 states have call successors, (0), 0 states 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 17:32:21,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:21,007 INFO L93 Difference]: Finished difference Result 161590 states and 265776 transitions. [2022-10-15 17:32:21,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 17:32:21,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.833333333333336) internal successors, (221), 6 states have internal predecessors, (221), 0 states have call successors, (0), 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 221 [2022-10-15 17:32:21,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:21,856 INFO L225 Difference]: With dead ends: 161590 [2022-10-15 17:32:21,857 INFO L226 Difference]: Without dead ends: 161590 [2022-10-15 17:32:21,858 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 17:32:21,861 INFO L413 NwaCegarLoop]: 3545 mSDtfsCounter, 10693 mSDsluCounter, 14018 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10693 SdHoareTripleChecker+Valid, 17563 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:21,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10693 Valid, 17563 Invalid, 1097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 17:32:22,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161590 states. [2022-10-15 17:32:24,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161590 to 59294. [2022-10-15 17:32:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59294 states, 59292 states have (on average 1.6369830668555623) internal successors, (97060), 59293 states have internal predecessors, (97060), 0 states have call successors, (0), 0 states 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 17:32:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59294 states to 59294 states and 97060 transitions. [2022-10-15 17:32:25,782 INFO L78 Accepts]: Start accepts. Automaton has 59294 states and 97060 transitions. Word has length 221 [2022-10-15 17:32:25,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:25,787 INFO L495 AbstractCegarLoop]: Abstraction has 59294 states and 97060 transitions. [2022-10-15 17:32:25,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.833333333333336) internal successors, (221), 6 states have internal predecessors, (221), 0 states have call successors, (0), 0 states 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 17:32:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 59294 states and 97060 transitions. [2022-10-15 17:32:25,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-15 17:32:25,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:25,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:25,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:32:25,945 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:25,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:25,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1881324712, now seen corresponding path program 1 times [2022-10-15 17:32:25,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:25,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98381474] [2022-10-15 17:32:25,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:25,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:26,370 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 17:32:26,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:26,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98381474] [2022-10-15 17:32:26,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98381474] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:26,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:26,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:32:26,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923304965] [2022-10-15 17:32:26,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:26,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:32:26,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:26,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:32:26,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:32:26,374 INFO L87 Difference]: Start difference. First operand 59294 states and 97060 transitions. Second operand has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 0 states have call successors, (0), 0 states 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 17:32:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:27,936 INFO L93 Difference]: Finished difference Result 134951 states and 221869 transitions. [2022-10-15 17:32:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:32:27,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2022-10-15 17:32:27,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:28,294 INFO L225 Difference]: With dead ends: 134951 [2022-10-15 17:32:28,295 INFO L226 Difference]: Without dead ends: 134951 [2022-10-15 17:32:28,295 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 17:32:28,296 INFO L413 NwaCegarLoop]: 2706 mSDtfsCounter, 3998 mSDsluCounter, 3896 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 6602 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:28,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3998 Valid, 6602 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 17:32:28,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134951 states. [2022-10-15 17:32:31,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134951 to 97573. [2022-10-15 17:32:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97573 states, 97571 states have (on average 1.6370232958563509) internal successors, (159726), 97572 states have internal predecessors, (159726), 0 states have call successors, (0), 0 states 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 17:32:31,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97573 states to 97573 states and 159726 transitions. [2022-10-15 17:32:31,873 INFO L78 Accepts]: Start accepts. Automaton has 97573 states and 159726 transitions. Word has length 223 [2022-10-15 17:32:31,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:31,874 INFO L495 AbstractCegarLoop]: Abstraction has 97573 states and 159726 transitions. [2022-10-15 17:32:31,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.75) internal successors, (223), 4 states have internal predecessors, (223), 0 states have call successors, (0), 0 states 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 17:32:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 97573 states and 159726 transitions. [2022-10-15 17:32:32,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-10-15 17:32:32,026 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:32,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:32,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:32:32,027 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:32,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -937168975, now seen corresponding path program 1 times [2022-10-15 17:32:32,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:32,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721987317] [2022-10-15 17:32:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:32,383 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 17:32:32,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:32,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721987317] [2022-10-15 17:32:32,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721987317] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:32,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:32,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:32:32,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347973676] [2022-10-15 17:32:32,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:32,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:32:32,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:32:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:32:32,388 INFO L87 Difference]: Start difference. First operand 97573 states and 159726 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states 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 17:32:34,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:32:34,696 INFO L93 Difference]: Finished difference Result 218402 states and 357091 transitions. [2022-10-15 17:32:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:32:34,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2022-10-15 17:32:34,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:32:35,243 INFO L225 Difference]: With dead ends: 218402 [2022-10-15 17:32:35,244 INFO L226 Difference]: Without dead ends: 218402 [2022-10-15 17:32:35,244 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 17:32:35,245 INFO L413 NwaCegarLoop]: 1649 mSDtfsCounter, 3949 mSDsluCounter, 3809 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3949 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:32:35,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3949 Valid, 5458 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:32:35,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218402 states. [2022-10-15 17:32:38,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218402 to 158559. [2022-10-15 17:32:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158559 states, 158557 states have (on average 1.6305618799548427) internal successors, (258537), 158558 states have internal predecessors, (258537), 0 states have call successors, (0), 0 states 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 17:32:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158559 states to 158559 states and 258537 transitions. [2022-10-15 17:32:39,408 INFO L78 Accepts]: Start accepts. Automaton has 158559 states and 258537 transitions. Word has length 224 [2022-10-15 17:32:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:32:39,409 INFO L495 AbstractCegarLoop]: Abstraction has 158559 states and 258537 transitions. [2022-10-15 17:32:39,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states 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 17:32:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 158559 states and 258537 transitions. [2022-10-15 17:32:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-15 17:32:40,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:32:40,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:40,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:32:40,335 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:32:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:32:40,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1492562303, now seen corresponding path program 1 times [2022-10-15 17:32:40,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:32:40,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537441185] [2022-10-15 17:32:40,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:32:40,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:32:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:32:40,679 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 17:32:40,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:32:40,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537441185] [2022-10-15 17:32:40,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537441185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:32:40,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:32:40,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:32:40,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9083229] [2022-10-15 17:32:40,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:32:40,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:32:40,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:32:40,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:32:40,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:32:40,684 INFO L87 Difference]: Start difference. First operand 158559 states and 258537 transitions. Second operand has 4 states, 4 states have (on average 56.25) internal successors, (225), 4 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)