/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:35:49,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:35:49,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:35:49,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:35:49,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:35:49,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:35:49,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:35:49,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:35:49,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:35:49,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:35:49,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:35:49,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:35:49,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:35:49,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:35:49,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:35:49,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:35:49,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:35:49,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:35:49,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:35:49,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:35:49,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:35:49,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:35:49,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:35:49,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:35:49,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:35:49,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:35:49,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:35:49,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:35:49,154 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 17:35:49,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:35:49,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:35:49,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:35:49,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:35:49,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:35:49,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:35:49,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:35:49,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:35:49,186 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:35:49,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:35:49,186 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:35:49,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:35:49,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:35:49,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:35:49,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:35:49,188 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:35:49,188 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:35:49,188 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:35:49,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:35:49,189 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:35:49,189 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:35:49,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:35:49,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:35:49,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:35:49,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:35:49,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:35:49,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:35:49,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:35:49,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:35:49,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:35:49,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:35:49,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:35:49,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:35:49,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:35:49,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:35:49,630 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:35:49,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:35:49,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d1b1205/7489a7afd7064c4b87cfefd89d0949a1/FLAG8560beea1 [2022-10-15 17:35:50,514 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:35:50,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:35:50,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d1b1205/7489a7afd7064c4b87cfefd89d0949a1/FLAG8560beea1 [2022-10-15 17:35:50,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d1b1205/7489a7afd7064c4b87cfefd89d0949a1 [2022-10-15 17:35:50,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:35:50,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:35:50,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:35:50,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:35:50,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:35:50,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:35:50" (1/1) ... [2022-10-15 17:35:50,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2318ea01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:50, skipping insertion in model container [2022-10-15 17:35:50,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:35:50" (1/1) ... [2022-10-15 17:35:50,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:35:50,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:35:51,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7105,7118] [2022-10-15 17:35:51,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:35:51,195 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:35:51,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7105,7118] [2022-10-15 17:35:51,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:35:51,343 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:35:51,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51 WrapperNode [2022-10-15 17:35:51,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:35:51,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:35:51,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:35:51,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:35:51,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,437 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 660 [2022-10-15 17:35:51,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:35:51,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:35:51,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:35:51,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:35:51,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:35:51,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:35:51,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:35:51,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:35:51,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (1/1) ... [2022-10-15 17:35:51,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:35:51,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:35:51,592 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 17:35:51,594 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 17:35:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:35:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:35:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:35:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:35:51,878 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:35:51,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:35:52,677 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:35:52,688 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:35:52,689 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:35:52,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:35:52 BoogieIcfgContainer [2022-10-15 17:35:52,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:35:52,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:35:52,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:35:52,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:35:52,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:35:50" (1/3) ... [2022-10-15 17:35:52,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edf5d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:35:52, skipping insertion in model container [2022-10-15 17:35:52,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:35:51" (2/3) ... [2022-10-15 17:35:52,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edf5d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:35:52, skipping insertion in model container [2022-10-15 17:35:52,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:35:52" (3/3) ... [2022-10-15 17:35:52,702 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:35:52,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:35:52,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:35:52,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:35:52,791 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;@44c16f43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:35:52,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:35:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 177 states have (on average 1.7231638418079096) internal successors, (305), 179 states have internal predecessors, (305), 0 states have call successors, (0), 0 states 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 17:35:52,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 17:35:52,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:52,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 17:35:52,807 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:52,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:52,813 INFO L85 PathProgramCache]: Analyzing trace with hash 948709, now seen corresponding path program 1 times [2022-10-15 17:35:52,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:52,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959250172] [2022-10-15 17:35:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:53,148 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 17:35:53,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:53,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959250172] [2022-10-15 17:35:53,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959250172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:53,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:53,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:35:53,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282180079] [2022-10-15 17:35:53,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:53,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:35:53,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:53,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:35:53,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:35:53,197 INFO L87 Difference]: Start difference. First operand has 180 states, 177 states have (on average 1.7231638418079096) internal successors, (305), 179 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:53,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:53,268 INFO L93 Difference]: Finished difference Result 179 states and 303 transitions. [2022-10-15 17:35:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:35:53,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 17:35:53,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:35:53,285 INFO L225 Difference]: With dead ends: 179 [2022-10-15 17:35:53,285 INFO L226 Difference]: Without dead ends: 176 [2022-10-15 17:35:53,288 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 17:35:53,292 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 300 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 302 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 17:35:53,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 302 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:35:53,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-10-15 17:35:53,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2022-10-15 17:35:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.4628571428571429) internal successors, (256), 175 states have internal predecessors, (256), 0 states have call successors, (0), 0 states 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 17:35:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 256 transitions. [2022-10-15 17:35:53,359 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 256 transitions. Word has length 4 [2022-10-15 17:35:53,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:35:53,360 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 256 transitions. [2022-10-15 17:35:53,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:53,360 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 256 transitions. [2022-10-15 17:35:53,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 17:35:53,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:53,366 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] [2022-10-15 17:35:53,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:35:53,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:53,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:53,370 INFO L85 PathProgramCache]: Analyzing trace with hash -113151096, now seen corresponding path program 1 times [2022-10-15 17:35:53,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:53,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696557813] [2022-10-15 17:35:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:53,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:53,876 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 17:35:53,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:53,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696557813] [2022-10-15 17:35:53,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696557813] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:53,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:53,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:35:53,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775960057] [2022-10-15 17:35:53,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:53,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:35:53,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:53,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:35:53,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:35:53,881 INFO L87 Difference]: Start difference. First operand 176 states and 256 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 17:35:54,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:54,072 INFO L93 Difference]: Finished difference Result 540 states and 834 transitions. [2022-10-15 17:35:54,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:35:54,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-15 17:35:54,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:35:54,083 INFO L225 Difference]: With dead ends: 540 [2022-10-15 17:35:54,083 INFO L226 Difference]: Without dead ends: 540 [2022-10-15 17:35:54,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:35:54,090 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1450 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:35:54,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 1011 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:35:54,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-10-15 17:35:54,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 274. [2022-10-15 17:35:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.5128205128205128) internal successors, (413), 273 states have internal predecessors, (413), 0 states have call successors, (0), 0 states 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 17:35:54,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 413 transitions. [2022-10-15 17:35:54,138 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 413 transitions. Word has length 64 [2022-10-15 17:35:54,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:35:54,138 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 413 transitions. [2022-10-15 17:35:54,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 17:35:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 413 transitions. [2022-10-15 17:35:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 17:35:54,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:54,142 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] [2022-10-15 17:35:54,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:35:54,142 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:54,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:54,143 INFO L85 PathProgramCache]: Analyzing trace with hash 507394196, now seen corresponding path program 1 times [2022-10-15 17:35:54,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:54,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152529799] [2022-10-15 17:35:54,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:54,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:54,532 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 17:35:54,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:54,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152529799] [2022-10-15 17:35:54,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152529799] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:54,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:54,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:35:54,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577336218] [2022-10-15 17:35:54,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:54,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:35:54,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:54,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:35:54,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:35:54,547 INFO L87 Difference]: Start difference. First operand 274 states and 413 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 17:35:54,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:54,728 INFO L93 Difference]: Finished difference Result 800 states and 1221 transitions. [2022-10-15 17:35:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:35:54,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-15 17:35:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:35:54,759 INFO L225 Difference]: With dead ends: 800 [2022-10-15 17:35:54,759 INFO L226 Difference]: Without dead ends: 800 [2022-10-15 17:35:54,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:35:54,761 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 950 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:35:54,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [950 Valid, 896 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:35:54,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-10-15 17:35:54,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 794. [2022-10-15 17:35:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 793 states have (on average 1.5359394703656999) internal successors, (1218), 793 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states 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 17:35:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1218 transitions. [2022-10-15 17:35:54,803 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1218 transitions. Word has length 65 [2022-10-15 17:35:54,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:35:54,804 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1218 transitions. [2022-10-15 17:35:54,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 17:35:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1218 transitions. [2022-10-15 17:35:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 17:35:54,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:54,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:35:54,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:35:54,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:54,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:54,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1175932082, now seen corresponding path program 1 times [2022-10-15 17:35:54,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:54,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457669636] [2022-10-15 17:35:54,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:55,070 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 17:35:55,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:55,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457669636] [2022-10-15 17:35:55,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457669636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:55,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:55,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:35:55,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758306744] [2022-10-15 17:35:55,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:55,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:35:55,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:55,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:35:55,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:35:55,076 INFO L87 Difference]: Start difference. First operand 794 states and 1218 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:55,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:55,319 INFO L93 Difference]: Finished difference Result 1382 states and 2132 transitions. [2022-10-15 17:35:55,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:35:55,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 17:35:55,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:35:55,331 INFO L225 Difference]: With dead ends: 1382 [2022-10-15 17:35:55,332 INFO L226 Difference]: Without dead ends: 1382 [2022-10-15 17:35:55,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:35:55,342 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 997 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:35:55,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 246 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:35:55,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2022-10-15 17:35:55,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1380. [2022-10-15 17:35:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1379 states have (on average 1.5453226976069616) internal successors, (2131), 1379 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states 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 17:35:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 2131 transitions. [2022-10-15 17:35:55,395 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 2131 transitions. Word has length 66 [2022-10-15 17:35:55,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:35:55,396 INFO L495 AbstractCegarLoop]: Abstraction has 1380 states and 2131 transitions. [2022-10-15 17:35:55,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 2131 transitions. [2022-10-15 17:35:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 17:35:55,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:55,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:35:55,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:35:55,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:55,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:55,412 INFO L85 PathProgramCache]: Analyzing trace with hash 195420080, now seen corresponding path program 1 times [2022-10-15 17:35:55,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:55,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321872540] [2022-10-15 17:35:55,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:55,612 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 17:35:55,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:55,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321872540] [2022-10-15 17:35:55,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321872540] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:55,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:55,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:35:55,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941943680] [2022-10-15 17:35:55,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:55,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:35:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:55,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:35:55,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:35:55,618 INFO L87 Difference]: Start difference. First operand 1380 states and 2131 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:55,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:55,860 INFO L93 Difference]: Finished difference Result 2432 states and 3766 transitions. [2022-10-15 17:35:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:35:55,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 17:35:55,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:35:55,908 INFO L225 Difference]: With dead ends: 2432 [2022-10-15 17:35:55,908 INFO L226 Difference]: Without dead ends: 2432 [2022-10-15 17:35:55,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:35:55,909 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 923 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:35:55,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 252 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:35:55,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2022-10-15 17:35:55,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2430. [2022-10-15 17:35:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2430 states, 2429 states have (on average 1.550020584602717) internal successors, (3765), 2429 states have internal predecessors, (3765), 0 states have call successors, (0), 0 states 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 17:35:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 3765 transitions. [2022-10-15 17:35:55,982 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 3765 transitions. Word has length 66 [2022-10-15 17:35:55,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:35:55,984 INFO L495 AbstractCegarLoop]: Abstraction has 2430 states and 3765 transitions. [2022-10-15 17:35:55,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 3765 transitions. [2022-10-15 17:35:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 17:35:55,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:55,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:35:55,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:35:55,987 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:55,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:55,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2140991135, now seen corresponding path program 1 times [2022-10-15 17:35:55,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:55,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41433288] [2022-10-15 17:35:55,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:56,177 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 17:35:56,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:56,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41433288] [2022-10-15 17:35:56,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41433288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:56,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:56,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:35:56,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757429811] [2022-10-15 17:35:56,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:56,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:35:56,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:56,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:35:56,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:35:56,183 INFO L87 Difference]: Start difference. First operand 2430 states and 3765 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:56,400 INFO L93 Difference]: Finished difference Result 4576 states and 7082 transitions. [2022-10-15 17:35:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:35:56,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 17:35:56,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:35:56,425 INFO L225 Difference]: With dead ends: 4576 [2022-10-15 17:35:56,425 INFO L226 Difference]: Without dead ends: 4576 [2022-10-15 17:35:56,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:35:56,428 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 949 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:35:56,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 250 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:35:56,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4576 states. [2022-10-15 17:35:56,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4576 to 4574. [2022-10-15 17:35:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4574 states, 4573 states have (on average 1.5484364749617319) internal successors, (7081), 4573 states have internal predecessors, (7081), 0 states have call successors, (0), 0 states 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 17:35:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 7081 transitions. [2022-10-15 17:35:56,554 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 7081 transitions. Word has length 66 [2022-10-15 17:35:56,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:35:56,554 INFO L495 AbstractCegarLoop]: Abstraction has 4574 states and 7081 transitions. [2022-10-15 17:35:56,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 7081 transitions. [2022-10-15 17:35:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 17:35:56,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:56,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:35:56,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:35:56,558 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:56,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:56,558 INFO L85 PathProgramCache]: Analyzing trace with hash -472666691, now seen corresponding path program 1 times [2022-10-15 17:35:56,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:56,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364683260] [2022-10-15 17:35:56,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:56,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:56,716 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 17:35:56,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:56,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364683260] [2022-10-15 17:35:56,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364683260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:56,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:56,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:35:56,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923470003] [2022-10-15 17:35:56,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:56,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:35:56,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:56,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:35:56,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:35:56,720 INFO L87 Difference]: Start difference. First operand 4574 states and 7081 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:56,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:56,949 INFO L93 Difference]: Finished difference Result 8000 states and 12309 transitions. [2022-10-15 17:35:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:35:56,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 17:35:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:35:56,989 INFO L225 Difference]: With dead ends: 8000 [2022-10-15 17:35:56,989 INFO L226 Difference]: Without dead ends: 8000 [2022-10-15 17:35:56,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:35:56,990 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 1011 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:35:56,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 244 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:35:56,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8000 states. [2022-10-15 17:35:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8000 to 7998. [2022-10-15 17:35:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7998 states, 7997 states have (on average 1.5390771539327248) internal successors, (12308), 7997 states have internal predecessors, (12308), 0 states have call successors, (0), 0 states 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 17:35:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7998 states to 7998 states and 12308 transitions. [2022-10-15 17:35:57,189 INFO L78 Accepts]: Start accepts. Automaton has 7998 states and 12308 transitions. Word has length 66 [2022-10-15 17:35:57,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:35:57,189 INFO L495 AbstractCegarLoop]: Abstraction has 7998 states and 12308 transitions. [2022-10-15 17:35:57,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 7998 states and 12308 transitions. [2022-10-15 17:35:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 17:35:57,192 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:57,192 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] [2022-10-15 17:35:57,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:35:57,193 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:57,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:57,193 INFO L85 PathProgramCache]: Analyzing trace with hash 545251456, now seen corresponding path program 1 times [2022-10-15 17:35:57,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:57,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260390231] [2022-10-15 17:35:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:57,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:57,501 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 17:35:57,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:57,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260390231] [2022-10-15 17:35:57,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260390231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:57,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:57,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:35:57,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154224530] [2022-10-15 17:35:57,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:57,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:35:57,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:57,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:35:57,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:35:57,504 INFO L87 Difference]: Start difference. First operand 7998 states and 12308 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 17:35:57,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:57,613 INFO L93 Difference]: Finished difference Result 15646 states and 23916 transitions. [2022-10-15 17:35:57,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:35:57,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-15 17:35:57,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:35:57,674 INFO L225 Difference]: With dead ends: 15646 [2022-10-15 17:35:57,674 INFO L226 Difference]: Without dead ends: 15646 [2022-10-15 17:35:57,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:35:57,675 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 246 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:35:57,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 987 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:35:57,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15646 states. [2022-10-15 17:35:57,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15646 to 8222. [2022-10-15 17:35:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8222 states, 8221 states have (on average 1.5243887604914244) internal successors, (12532), 8221 states have internal predecessors, (12532), 0 states have call successors, (0), 0 states 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 17:35:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8222 states to 8222 states and 12532 transitions. [2022-10-15 17:35:57,986 INFO L78 Accepts]: Start accepts. Automaton has 8222 states and 12532 transitions. Word has length 67 [2022-10-15 17:35:57,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:35:57,987 INFO L495 AbstractCegarLoop]: Abstraction has 8222 states and 12532 transitions. [2022-10-15 17:35:57,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 17:35:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 8222 states and 12532 transitions. [2022-10-15 17:35:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 17:35:57,990 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:35:57,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:35:57,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:35:57,991 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:35:57,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:35:57,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2333062, now seen corresponding path program 1 times [2022-10-15 17:35:57,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:35:57,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001685224] [2022-10-15 17:35:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:35:57,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:35:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:35:58,420 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 17:35:58,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:35:58,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001685224] [2022-10-15 17:35:58,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001685224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:35:58,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:35:58,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:35:58,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857682848] [2022-10-15 17:35:58,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:35:58,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:35:58,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:35:58,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:35:58,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:35:58,423 INFO L87 Difference]: Start difference. First operand 8222 states and 12532 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:35:59,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:35:59,984 INFO L93 Difference]: Finished difference Result 33419 states and 50410 transitions. [2022-10-15 17:35:59,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-15 17:35:59,984 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 17:35:59,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:00,064 INFO L225 Difference]: With dead ends: 33419 [2022-10-15 17:36:00,064 INFO L226 Difference]: Without dead ends: 33419 [2022-10-15 17:36:00,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=218, Invalid=594, Unknown=0, NotChecked=0, Total=812 [2022-10-15 17:36:00,066 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 2621 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:00,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 1151 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 17:36:00,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33419 states. [2022-10-15 17:36:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33419 to 8355. [2022-10-15 17:36:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8355 states, 8354 states have (on average 1.5210677519751017) internal successors, (12707), 8354 states have internal predecessors, (12707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8355 states to 8355 states and 12707 transitions. [2022-10-15 17:36:00,605 INFO L78 Accepts]: Start accepts. Automaton has 8355 states and 12707 transitions. Word has length 68 [2022-10-15 17:36:00,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:00,606 INFO L495 AbstractCegarLoop]: Abstraction has 8355 states and 12707 transitions. [2022-10-15 17:36:00,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:00,607 INFO L276 IsEmpty]: Start isEmpty. Operand 8355 states and 12707 transitions. [2022-10-15 17:36:00,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 17:36:00,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:00,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:00,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:36:00,610 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:00,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:00,612 INFO L85 PathProgramCache]: Analyzing trace with hash -371480250, now seen corresponding path program 1 times [2022-10-15 17:36:00,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:00,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097215808] [2022-10-15 17:36:00,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:00,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:01,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:01,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097215808] [2022-10-15 17:36:01,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097215808] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:01,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:01,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:36:01,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720654092] [2022-10-15 17:36:01,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:01,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:36:01,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:01,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:36:01,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:36:01,216 INFO L87 Difference]: Start difference. First operand 8355 states and 12707 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:02,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:02,885 INFO L93 Difference]: Finished difference Result 26863 states and 40658 transitions. [2022-10-15 17:36:02,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-15 17:36:02,885 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 17:36:02,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:02,929 INFO L225 Difference]: With dead ends: 26863 [2022-10-15 17:36:02,930 INFO L226 Difference]: Without dead ends: 26863 [2022-10-15 17:36:02,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2022-10-15 17:36:02,931 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 1787 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:02,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1787 Valid, 1764 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 17:36:02,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26863 states. [2022-10-15 17:36:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26863 to 8355. [2022-10-15 17:36:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8355 states, 8354 states have (on average 1.5208283457026575) internal successors, (12705), 8354 states have internal predecessors, (12705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8355 states to 8355 states and 12705 transitions. [2022-10-15 17:36:03,192 INFO L78 Accepts]: Start accepts. Automaton has 8355 states and 12705 transitions. Word has length 68 [2022-10-15 17:36:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:03,192 INFO L495 AbstractCegarLoop]: Abstraction has 8355 states and 12705 transitions. [2022-10-15 17:36:03,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 8355 states and 12705 transitions. [2022-10-15 17:36:03,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 17:36:03,195 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:03,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:03,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:36:03,196 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:03,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:03,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2100624742, now seen corresponding path program 1 times [2022-10-15 17:36:03,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:03,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509209211] [2022-10-15 17:36:03,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:03,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:03,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509209211] [2022-10-15 17:36:03,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509209211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:03,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:03,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:36:03,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222418111] [2022-10-15 17:36:03,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:03,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:36:03,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:03,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:36:03,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:36:03,542 INFO L87 Difference]: Start difference. First operand 8355 states and 12705 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:04,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:04,807 INFO L93 Difference]: Finished difference Result 27760 states and 41859 transitions. [2022-10-15 17:36:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-15 17:36:04,808 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 17:36:04,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:04,848 INFO L225 Difference]: With dead ends: 27760 [2022-10-15 17:36:04,849 INFO L226 Difference]: Without dead ends: 27760 [2022-10-15 17:36:04,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2022-10-15 17:36:04,850 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1813 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:04,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 1263 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 17:36:04,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27760 states. [2022-10-15 17:36:05,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27760 to 8578. [2022-10-15 17:36:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8578 states, 8577 states have (on average 1.516147837239128) internal successors, (13004), 8577 states have internal predecessors, (13004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8578 states to 8578 states and 13004 transitions. [2022-10-15 17:36:05,270 INFO L78 Accepts]: Start accepts. Automaton has 8578 states and 13004 transitions. Word has length 68 [2022-10-15 17:36:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:05,271 INFO L495 AbstractCegarLoop]: Abstraction has 8578 states and 13004 transitions. [2022-10-15 17:36:05,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 8578 states and 13004 transitions. [2022-10-15 17:36:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 17:36:05,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:05,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:05,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:36:05,279 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:05,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:05,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1059619418, now seen corresponding path program 1 times [2022-10-15 17:36:05,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:05,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935806339] [2022-10-15 17:36:05,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:05,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:05,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:05,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935806339] [2022-10-15 17:36:05,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935806339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:05,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:05,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 17:36:05,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879290090] [2022-10-15 17:36:05,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:05,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 17:36:05,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:05,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 17:36:05,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:36:05,748 INFO L87 Difference]: Start difference. First operand 8578 states and 13004 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:07,553 INFO L93 Difference]: Finished difference Result 32583 states and 48812 transitions. [2022-10-15 17:36:07,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-15 17:36:07,558 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-15 17:36:07,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:07,612 INFO L225 Difference]: With dead ends: 32583 [2022-10-15 17:36:07,613 INFO L226 Difference]: Without dead ends: 32583 [2022-10-15 17:36:07,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2022-10-15 17:36:07,614 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 1990 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 1917 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:07,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 1917 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 17:36:07,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32583 states. [2022-10-15 17:36:07,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32583 to 8728. [2022-10-15 17:36:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 8727 states have (on average 1.5092242465910393) internal successors, (13171), 8727 states have internal predecessors, (13171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 13171 transitions. [2022-10-15 17:36:07,945 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 13171 transitions. Word has length 68 [2022-10-15 17:36:07,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:07,945 INFO L495 AbstractCegarLoop]: Abstraction has 8728 states and 13171 transitions. [2022-10-15 17:36:07,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 13171 transitions. [2022-10-15 17:36:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 17:36:07,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:07,951 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] [2022-10-15 17:36:07,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:36:07,951 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:07,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:07,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1047773961, now seen corresponding path program 1 times [2022-10-15 17:36:07,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:07,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758467713] [2022-10-15 17:36:07,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:07,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:08,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:08,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758467713] [2022-10-15 17:36:08,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758467713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:08,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:08,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:36:08,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002793549] [2022-10-15 17:36:08,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:08,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:36:08,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:08,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:36:08,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:36:08,131 INFO L87 Difference]: Start difference. First operand 8728 states and 13171 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:08,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:08,215 INFO L93 Difference]: Finished difference Result 15138 states and 22636 transitions. [2022-10-15 17:36:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:36:08,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 17:36:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:08,242 INFO L225 Difference]: With dead ends: 15138 [2022-10-15 17:36:08,242 INFO L226 Difference]: Without dead ends: 15138 [2022-10-15 17:36:08,243 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 17:36:08,243 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 170 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:08,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 605 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:08,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2022-10-15 17:36:08,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 15032. [2022-10-15 17:36:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15032 states, 15031 states have (on average 1.4989687978178432) internal successors, (22531), 15031 states have internal predecessors, (22531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15032 states to 15032 states and 22531 transitions. [2022-10-15 17:36:08,537 INFO L78 Accepts]: Start accepts. Automaton has 15032 states and 22531 transitions. Word has length 69 [2022-10-15 17:36:08,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:08,538 INFO L495 AbstractCegarLoop]: Abstraction has 15032 states and 22531 transitions. [2022-10-15 17:36:08,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 15032 states and 22531 transitions. [2022-10-15 17:36:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 17:36:08,541 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:08,541 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] [2022-10-15 17:36:08,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:36:08,542 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:08,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:08,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1802228217, now seen corresponding path program 1 times [2022-10-15 17:36:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:08,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719055039] [2022-10-15 17:36:08,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:08,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:08,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:08,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719055039] [2022-10-15 17:36:08,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719055039] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:08,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:08,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:36:08,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615972563] [2022-10-15 17:36:08,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:08,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:36:08,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:08,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:36:08,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:36:08,604 INFO L87 Difference]: Start difference. First operand 15032 states and 22531 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:08,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:08,671 INFO L93 Difference]: Finished difference Result 18430 states and 27155 transitions. [2022-10-15 17:36:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:36:08,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 17:36:08,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:08,698 INFO L225 Difference]: With dead ends: 18430 [2022-10-15 17:36:08,698 INFO L226 Difference]: Without dead ends: 18430 [2022-10-15 17:36:08,698 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 17:36:08,699 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 156 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:08,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 480 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:08,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18430 states. [2022-10-15 17:36:08,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18430 to 18212. [2022-10-15 17:36:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18212 states, 18211 states have (on average 1.479215858547032) internal successors, (26938), 18211 states have internal predecessors, (26938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18212 states to 18212 states and 26938 transitions. [2022-10-15 17:36:08,945 INFO L78 Accepts]: Start accepts. Automaton has 18212 states and 26938 transitions. Word has length 69 [2022-10-15 17:36:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:08,946 INFO L495 AbstractCegarLoop]: Abstraction has 18212 states and 26938 transitions. [2022-10-15 17:36:08,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 18212 states and 26938 transitions. [2022-10-15 17:36:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 17:36:08,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:08,950 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] [2022-10-15 17:36:08,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:36:08,950 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:08,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1041130329, now seen corresponding path program 1 times [2022-10-15 17:36:08,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:08,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530986340] [2022-10-15 17:36:08,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:09,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:09,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530986340] [2022-10-15 17:36:09,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530986340] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:09,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:09,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:36:09,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965410174] [2022-10-15 17:36:09,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:09,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:36:09,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:09,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:36:09,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:36:09,016 INFO L87 Difference]: Start difference. First operand 18212 states and 26938 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:09,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:09,103 INFO L93 Difference]: Finished difference Result 24348 states and 35605 transitions. [2022-10-15 17:36:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:36:09,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 17:36:09,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:09,138 INFO L225 Difference]: With dead ends: 24348 [2022-10-15 17:36:09,138 INFO L226 Difference]: Without dead ends: 24348 [2022-10-15 17:36:09,139 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 17:36:09,139 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 175 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:09,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 464 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:09,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24348 states. [2022-10-15 17:36:09,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24348 to 24282. [2022-10-15 17:36:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24282 states, 24281 states have (on average 1.4636958939088176) internal successors, (35540), 24281 states have internal predecessors, (35540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24282 states to 24282 states and 35540 transitions. [2022-10-15 17:36:09,633 INFO L78 Accepts]: Start accepts. Automaton has 24282 states and 35540 transitions. Word has length 69 [2022-10-15 17:36:09,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:09,634 INFO L495 AbstractCegarLoop]: Abstraction has 24282 states and 35540 transitions. [2022-10-15 17:36:09,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 24282 states and 35540 transitions. [2022-10-15 17:36:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 17:36:09,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:09,638 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] [2022-10-15 17:36:09,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:36:09,639 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:09,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:09,639 INFO L85 PathProgramCache]: Analyzing trace with hash -933815240, now seen corresponding path program 1 times [2022-10-15 17:36:09,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:09,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045104708] [2022-10-15 17:36:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:09,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:09,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045104708] [2022-10-15 17:36:09,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045104708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:09,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:09,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:36:09,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416574122] [2022-10-15 17:36:09,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:09,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:36:09,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:09,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:36:09,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:36:09,700 INFO L87 Difference]: Start difference. First operand 24282 states and 35540 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:09,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:09,794 INFO L93 Difference]: Finished difference Result 25055 states and 35756 transitions. [2022-10-15 17:36:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:36:09,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 17:36:09,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:09,846 INFO L225 Difference]: With dead ends: 25055 [2022-10-15 17:36:09,847 INFO L226 Difference]: Without dead ends: 24823 [2022-10-15 17:36:09,847 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 17:36:09,848 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 143 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:09,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 464 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:09,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24823 states. [2022-10-15 17:36:10,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24823 to 22225. [2022-10-15 17:36:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22225 states, 22224 states have (on average 1.4353401727861772) internal successors, (31899), 22224 states have internal predecessors, (31899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22225 states to 22225 states and 31899 transitions. [2022-10-15 17:36:10,447 INFO L78 Accepts]: Start accepts. Automaton has 22225 states and 31899 transitions. Word has length 69 [2022-10-15 17:36:10,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:10,447 INFO L495 AbstractCegarLoop]: Abstraction has 22225 states and 31899 transitions. [2022-10-15 17:36:10,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 22225 states and 31899 transitions. [2022-10-15 17:36:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 17:36:10,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:10,453 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] [2022-10-15 17:36:10,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:36:10,454 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:10,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:10,455 INFO L85 PathProgramCache]: Analyzing trace with hash 804290264, now seen corresponding path program 1 times [2022-10-15 17:36:10,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:10,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601503082] [2022-10-15 17:36:10,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:10,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:10,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:10,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601503082] [2022-10-15 17:36:10,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601503082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:10,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:10,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:36:10,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812474675] [2022-10-15 17:36:10,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:10,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:36:10,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:10,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:36:10,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:36:10,534 INFO L87 Difference]: Start difference. First operand 22225 states and 31899 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:10,636 INFO L93 Difference]: Finished difference Result 25148 states and 35067 transitions. [2022-10-15 17:36:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:36:10,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 17:36:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:10,687 INFO L225 Difference]: With dead ends: 25148 [2022-10-15 17:36:10,688 INFO L226 Difference]: Without dead ends: 25148 [2022-10-15 17:36:10,688 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 17:36:10,689 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 161 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:10,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 554 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:10,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25148 states. [2022-10-15 17:36:11,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25148 to 24902. [2022-10-15 17:36:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24902 states, 24901 states have (on average 1.398417734227541) internal successors, (34822), 24901 states have internal predecessors, (34822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24902 states to 24902 states and 34822 transitions. [2022-10-15 17:36:11,342 INFO L78 Accepts]: Start accepts. Automaton has 24902 states and 34822 transitions. Word has length 69 [2022-10-15 17:36:11,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:11,343 INFO L495 AbstractCegarLoop]: Abstraction has 24902 states and 34822 transitions. [2022-10-15 17:36:11,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 24902 states and 34822 transitions. [2022-10-15 17:36:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 17:36:11,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:11,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:11,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 17:36:11,351 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:11,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:11,351 INFO L85 PathProgramCache]: Analyzing trace with hash -77781245, now seen corresponding path program 1 times [2022-10-15 17:36:11,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:11,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421963113] [2022-10-15 17:36:11,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:11,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:11,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:11,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:11,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421963113] [2022-10-15 17:36:11,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421963113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:11,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:11,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:36:11,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668773922] [2022-10-15 17:36:11,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:11,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:36:11,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:11,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:36:11,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:36:11,602 INFO L87 Difference]: Start difference. First operand 24902 states and 34822 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:11,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:11,821 INFO L93 Difference]: Finished difference Result 42897 states and 60213 transitions. [2022-10-15 17:36:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:36:11,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 17:36:11,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:11,910 INFO L225 Difference]: With dead ends: 42897 [2022-10-15 17:36:11,911 INFO L226 Difference]: Without dead ends: 42897 [2022-10-15 17:36:11,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:36:11,912 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 1084 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1084 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:11,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1084 Valid, 1133 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:11,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42897 states. [2022-10-15 17:36:12,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42897 to 34310. [2022-10-15 17:36:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34310 states, 34309 states have (on average 1.398787490162931) internal successors, (47991), 34309 states have internal predecessors, (47991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:12,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34310 states to 34310 states and 47991 transitions. [2022-10-15 17:36:12,637 INFO L78 Accepts]: Start accepts. Automaton has 34310 states and 47991 transitions. Word has length 70 [2022-10-15 17:36:12,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:12,637 INFO L495 AbstractCegarLoop]: Abstraction has 34310 states and 47991 transitions. [2022-10-15 17:36:12,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:12,637 INFO L276 IsEmpty]: Start isEmpty. Operand 34310 states and 47991 transitions. [2022-10-15 17:36:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 17:36:12,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:12,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:12,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 17:36:12,642 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:12,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:12,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1497723701, now seen corresponding path program 1 times [2022-10-15 17:36:12,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:12,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605969759] [2022-10-15 17:36:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:12,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:12,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:12,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605969759] [2022-10-15 17:36:12,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605969759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:12,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:12,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:36:12,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509598587] [2022-10-15 17:36:12,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:12,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:36:12,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:12,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:36:12,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:36:12,938 INFO L87 Difference]: Start difference. First operand 34310 states and 47991 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:13,150 INFO L93 Difference]: Finished difference Result 49486 states and 69518 transitions. [2022-10-15 17:36:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:36:13,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 17:36:13,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:13,238 INFO L225 Difference]: With dead ends: 49486 [2022-10-15 17:36:13,238 INFO L226 Difference]: Without dead ends: 49486 [2022-10-15 17:36:13,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:36:13,239 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 1106 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:13,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1210 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:13,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49486 states. [2022-10-15 17:36:13,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49486 to 37253. [2022-10-15 17:36:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37253 states, 37252 states have (on average 1.3991731987544294) internal successors, (52122), 37252 states have internal predecessors, (52122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37253 states to 37253 states and 52122 transitions. [2022-10-15 17:36:14,212 INFO L78 Accepts]: Start accepts. Automaton has 37253 states and 52122 transitions. Word has length 70 [2022-10-15 17:36:14,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:14,213 INFO L495 AbstractCegarLoop]: Abstraction has 37253 states and 52122 transitions. [2022-10-15 17:36:14,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:14,213 INFO L276 IsEmpty]: Start isEmpty. Operand 37253 states and 52122 transitions. [2022-10-15 17:36:14,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 17:36:14,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:14,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:14,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 17:36:14,216 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:14,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:14,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1024658010, now seen corresponding path program 1 times [2022-10-15 17:36:14,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:14,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746771515] [2022-10-15 17:36:14,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:14,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:14,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:14,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746771515] [2022-10-15 17:36:14,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746771515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:14,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:14,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:36:14,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197413428] [2022-10-15 17:36:14,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:14,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:36:14,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:14,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:36:14,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:36:14,336 INFO L87 Difference]: Start difference. First operand 37253 states and 52122 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:14,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:14,538 INFO L93 Difference]: Finished difference Result 52353 states and 73465 transitions. [2022-10-15 17:36:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:36:14,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 17:36:14,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:14,783 INFO L225 Difference]: With dead ends: 52353 [2022-10-15 17:36:14,783 INFO L226 Difference]: Without dead ends: 52353 [2022-10-15 17:36:14,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:36:14,785 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 1032 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:14,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 1336 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:14,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52353 states. [2022-10-15 17:36:15,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52353 to 41438. [2022-10-15 17:36:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41438 states, 41437 states have (on average 1.401187344643676) internal successors, (58061), 41437 states have internal predecessors, (58061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41438 states to 41438 states and 58061 transitions. [2022-10-15 17:36:15,563 INFO L78 Accepts]: Start accepts. Automaton has 41438 states and 58061 transitions. Word has length 70 [2022-10-15 17:36:15,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:15,564 INFO L495 AbstractCegarLoop]: Abstraction has 41438 states and 58061 transitions. [2022-10-15 17:36:15,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 41438 states and 58061 transitions. [2022-10-15 17:36:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 17:36:15,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:15,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:15,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 17:36:15,569 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:15,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:15,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1354981296, now seen corresponding path program 1 times [2022-10-15 17:36:15,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:15,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038576093] [2022-10-15 17:36:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:15,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:15,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:15,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038576093] [2022-10-15 17:36:15,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038576093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:15,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:15,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:36:15,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953766349] [2022-10-15 17:36:15,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:15,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:36:15,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:15,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:36:15,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:36:15,912 INFO L87 Difference]: Start difference. First operand 41438 states and 58061 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:16,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:16,208 INFO L93 Difference]: Finished difference Result 60738 states and 85194 transitions. [2022-10-15 17:36:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 17:36:16,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 17:36:16,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:16,318 INFO L225 Difference]: With dead ends: 60738 [2022-10-15 17:36:16,318 INFO L226 Difference]: Without dead ends: 60738 [2022-10-15 17:36:16,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 17:36:16,320 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 1090 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:16,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 1290 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:36:16,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60738 states. [2022-10-15 17:36:17,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60738 to 45936. [2022-10-15 17:36:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45936 states, 45935 states have (on average 1.4016327419179275) internal successors, (64384), 45935 states have internal predecessors, (64384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45936 states to 45936 states and 64384 transitions. [2022-10-15 17:36:17,417 INFO L78 Accepts]: Start accepts. Automaton has 45936 states and 64384 transitions. Word has length 70 [2022-10-15 17:36:17,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:17,418 INFO L495 AbstractCegarLoop]: Abstraction has 45936 states and 64384 transitions. [2022-10-15 17:36:17,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 45936 states and 64384 transitions. [2022-10-15 17:36:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 17:36:17,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:17,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:17,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 17:36:17,426 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:17,426 INFO L85 PathProgramCache]: Analyzing trace with hash 143463778, now seen corresponding path program 1 times [2022-10-15 17:36:17,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:17,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753006732] [2022-10-15 17:36:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:17,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:17,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:17,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753006732] [2022-10-15 17:36:17,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753006732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:17,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:17,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:36:17,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577262456] [2022-10-15 17:36:17,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:17,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:36:17,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:17,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:36:17,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:36:17,569 INFO L87 Difference]: Start difference. First operand 45936 states and 64384 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:19,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:19,203 INFO L93 Difference]: Finished difference Result 184692 states and 257961 transitions. [2022-10-15 17:36:19,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 17:36:19,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 17:36:19,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:19,476 INFO L225 Difference]: With dead ends: 184692 [2022-10-15 17:36:19,477 INFO L226 Difference]: Without dead ends: 184692 [2022-10-15 17:36:19,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-15 17:36:19,479 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 2938 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:19,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 536 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 17:36:19,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184692 states. [2022-10-15 17:36:21,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184692 to 46040. [2022-10-15 17:36:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46040 states, 46039 states have (on average 1.401181606898499) internal successors, (64509), 46039 states have internal predecessors, (64509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:21,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46040 states to 46040 states and 64509 transitions. [2022-10-15 17:36:21,395 INFO L78 Accepts]: Start accepts. Automaton has 46040 states and 64509 transitions. Word has length 75 [2022-10-15 17:36:21,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:21,395 INFO L495 AbstractCegarLoop]: Abstraction has 46040 states and 64509 transitions. [2022-10-15 17:36:21,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 46040 states and 64509 transitions. [2022-10-15 17:36:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 17:36:21,402 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:21,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:21,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 17:36:21,402 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:21,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1189070444, now seen corresponding path program 1 times [2022-10-15 17:36:21,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:21,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586727572] [2022-10-15 17:36:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:21,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:21,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:21,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586727572] [2022-10-15 17:36:21,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586727572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:21,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:21,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:36:21,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568392353] [2022-10-15 17:36:21,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:21,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:36:21,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:21,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:36:21,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:36:21,524 INFO L87 Difference]: Start difference. First operand 46040 states and 64509 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:22,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:22,743 INFO L93 Difference]: Finished difference Result 179627 states and 249051 transitions. [2022-10-15 17:36:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 17:36:22,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 17:36:22,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:22,969 INFO L225 Difference]: With dead ends: 179627 [2022-10-15 17:36:22,969 INFO L226 Difference]: Without dead ends: 179627 [2022-10-15 17:36:22,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-15 17:36:22,970 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 2240 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:22,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2240 Valid, 578 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 17:36:23,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179627 states. [2022-10-15 17:36:24,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179627 to 46202. [2022-10-15 17:36:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46202 states, 46201 states have (on average 1.400445877794853) internal successors, (64702), 46201 states have internal predecessors, (64702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46202 states to 46202 states and 64702 transitions. [2022-10-15 17:36:25,018 INFO L78 Accepts]: Start accepts. Automaton has 46202 states and 64702 transitions. Word has length 75 [2022-10-15 17:36:25,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:25,018 INFO L495 AbstractCegarLoop]: Abstraction has 46202 states and 64702 transitions. [2022-10-15 17:36:25,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 46202 states and 64702 transitions. [2022-10-15 17:36:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 17:36:25,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:25,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:25,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 17:36:25,030 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:25,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:25,031 INFO L85 PathProgramCache]: Analyzing trace with hash -95030964, now seen corresponding path program 1 times [2022-10-15 17:36:25,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:25,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902897242] [2022-10-15 17:36:25,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:25,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:25,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:25,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902897242] [2022-10-15 17:36:25,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902897242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:25,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:25,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:36:25,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295767675] [2022-10-15 17:36:25,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:25,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:36:25,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:25,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:36:25,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:36:25,162 INFO L87 Difference]: Start difference. First operand 46202 states and 64702 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:26,136 INFO L93 Difference]: Finished difference Result 137363 states and 190908 transitions. [2022-10-15 17:36:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 17:36:26,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 17:36:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:26,304 INFO L225 Difference]: With dead ends: 137363 [2022-10-15 17:36:26,304 INFO L226 Difference]: Without dead ends: 137363 [2022-10-15 17:36:26,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-15 17:36:26,305 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 2133 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:26,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 437 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:36:26,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137363 states. [2022-10-15 17:36:27,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137363 to 46252. [2022-10-15 17:36:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46252 states, 46251 states have (on average 1.4002291842338543) internal successors, (64762), 46251 states have internal predecessors, (64762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46252 states to 46252 states and 64762 transitions. [2022-10-15 17:36:27,821 INFO L78 Accepts]: Start accepts. Automaton has 46252 states and 64762 transitions. Word has length 75 [2022-10-15 17:36:27,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:27,822 INFO L495 AbstractCegarLoop]: Abstraction has 46252 states and 64762 transitions. [2022-10-15 17:36:27,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 46252 states and 64762 transitions. [2022-10-15 17:36:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 17:36:27,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:27,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:27,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 17:36:27,828 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash 2062889360, now seen corresponding path program 1 times [2022-10-15 17:36:27,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:27,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858730326] [2022-10-15 17:36:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:27,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:27,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:27,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858730326] [2022-10-15 17:36:27,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858730326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:27,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:27,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 17:36:27,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049948301] [2022-10-15 17:36:27,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:27,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 17:36:27,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:27,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 17:36:27,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 17:36:27,979 INFO L87 Difference]: Start difference. First operand 46252 states and 64762 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:29,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:29,194 INFO L93 Difference]: Finished difference Result 158126 states and 218544 transitions. [2022-10-15 17:36:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 17:36:29,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-15 17:36:29,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:29,391 INFO L225 Difference]: With dead ends: 158126 [2022-10-15 17:36:29,395 INFO L226 Difference]: Without dead ends: 158126 [2022-10-15 17:36:29,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-15 17:36:29,396 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 2262 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:29,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2262 Valid, 497 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 17:36:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158126 states. [2022-10-15 17:36:30,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158126 to 46501. [2022-10-15 17:36:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46501 states, 46500 states have (on average 1.3989677419354838) internal successors, (65052), 46500 states have internal predecessors, (65052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46501 states to 46501 states and 65052 transitions. [2022-10-15 17:36:30,960 INFO L78 Accepts]: Start accepts. Automaton has 46501 states and 65052 transitions. Word has length 75 [2022-10-15 17:36:30,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:30,961 INFO L495 AbstractCegarLoop]: Abstraction has 46501 states and 65052 transitions. [2022-10-15 17:36:30,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 46501 states and 65052 transitions. [2022-10-15 17:36:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 17:36:30,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:30,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:30,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 17:36:30,966 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:30,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:30,967 INFO L85 PathProgramCache]: Analyzing trace with hash 294775424, now seen corresponding path program 1 times [2022-10-15 17:36:30,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:30,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129839657] [2022-10-15 17:36:30,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:30,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:36:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:36:32,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:36:32,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129839657] [2022-10-15 17:36:32,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129839657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:36:32,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:36:32,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-15 17:36:32,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867395959] [2022-10-15 17:36:32,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:36:32,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 17:36:32,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:36:32,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 17:36:32,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-10-15 17:36:32,317 INFO L87 Difference]: Start difference. First operand 46501 states and 65052 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:36,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:36:36,461 INFO L93 Difference]: Finished difference Result 209657 states and 292255 transitions. [2022-10-15 17:36:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-15 17:36:36,461 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-15 17:36:36,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:36:36,754 INFO L225 Difference]: With dead ends: 209657 [2022-10-15 17:36:36,754 INFO L226 Difference]: Without dead ends: 209657 [2022-10-15 17:36:36,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=355, Invalid=1285, Unknown=0, NotChecked=0, Total=1640 [2022-10-15 17:36:36,756 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 3989 mSDsluCounter, 5819 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3989 SdHoareTripleChecker+Valid, 6447 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:36:36,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3989 Valid, 6447 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 17:36:36,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209657 states. [2022-10-15 17:36:38,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209657 to 46514. [2022-10-15 17:36:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46514 states, 46513 states have (on average 1.3987057381807237) internal successors, (65058), 46513 states have internal predecessors, (65058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46514 states to 46514 states and 65058 transitions. [2022-10-15 17:36:38,842 INFO L78 Accepts]: Start accepts. Automaton has 46514 states and 65058 transitions. Word has length 77 [2022-10-15 17:36:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:36:38,843 INFO L495 AbstractCegarLoop]: Abstraction has 46514 states and 65058 transitions. [2022-10-15 17:36:38,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:36:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 46514 states and 65058 transitions. [2022-10-15 17:36:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 17:36:38,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:36:38,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:36:38,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 17:36:38,848 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:36:38,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:36:38,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1091243400, now seen corresponding path program 1 times [2022-10-15 17:36:38,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:36:38,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143328292] [2022-10-15 17:36:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:36:38,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:36:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat