/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_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 04:12:45,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 04:12:45,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 04:12:45,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 04:12:45,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 04:12:45,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 04:12:45,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 04:12:45,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 04:12:45,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 04:12:45,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 04:12:45,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 04:12:45,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 04:12:45,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 04:12:45,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 04:12:45,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 04:12:45,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 04:12:45,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 04:12:45,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 04:12:45,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 04:12:45,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 04:12:45,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 04:12:45,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 04:12:45,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 04:12:45,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 04:12:45,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 04:12:45,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 04:12:45,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 04:12:45,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 04:12:45,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 04:12:45,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 04:12:45,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 04:12:45,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 04:12:45,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 04:12:45,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 04:12:45,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 04:12:45,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 04:12:45,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 04:12:45,905 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 04:12:45,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 04:12:45,906 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 04:12:45,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 04:12:45,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 04:12:45,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 04:12:45,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 04:12:45,907 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 04:12:45,908 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 04:12:45,908 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 04:12:45,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 04:12:45,908 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 04:12:45,908 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 04:12:45,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 04:12:45,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 04:12:45,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 04:12:45,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 04:12:45,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:12:45,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 04:12:45,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 04:12:45,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 04:12:45,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 04:12:45,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 04:12:46,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 04:12:46,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 04:12:46,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 04:12:46,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 04:12:46,373 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 04:12:46,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 04:12:46,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f925a48/c1a94901e9454508b94870731a866935/FLAG5f32e2175 [2022-10-16 04:12:47,343 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 04:12:47,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 04:12:47,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f925a48/c1a94901e9454508b94870731a866935/FLAG5f32e2175 [2022-10-16 04:12:47,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f925a48/c1a94901e9454508b94870731a866935 [2022-10-16 04:12:47,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 04:12:47,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 04:12:47,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 04:12:47,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 04:12:47,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 04:12:47,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:12:47" (1/1) ... [2022-10-16 04:12:47,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c318c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:47, skipping insertion in model container [2022-10-16 04:12:47,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:12:47" (1/1) ... [2022-10-16 04:12:47,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 04:12:47,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 04:12:48,132 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_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[22673,22686] [2022-10-16 04:12:48,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:12:48,399 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 04:12:48,525 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_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[22673,22686] [2022-10-16 04:12:48,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 04:12:48,649 INFO L208 MainTranslator]: Completed translation [2022-10-16 04:12:48,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48 WrapperNode [2022-10-16 04:12:48,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 04:12:48,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 04:12:48,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 04:12:48,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 04:12:48,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,780 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2818 [2022-10-16 04:12:48,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 04:12:48,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 04:12:48,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 04:12:48,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 04:12:48,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,955 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:48,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 04:12:48,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 04:12:48,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 04:12:48,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 04:12:48,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (1/1) ... [2022-10-16 04:12:49,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 04:12:49,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 04:12:49,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 04:12:49,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 04:12:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 04:12:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 04:12:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 04:12:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 04:12:49,372 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 04:12:49,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 04:12:51,407 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 04:12:51,425 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 04:12:51,426 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 04:12:51,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:12:51 BoogieIcfgContainer [2022-10-16 04:12:51,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 04:12:51,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 04:12:51,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 04:12:51,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 04:12:51,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:12:47" (1/3) ... [2022-10-16 04:12:51,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f84f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:12:51, skipping insertion in model container [2022-10-16 04:12:51,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:12:48" (2/3) ... [2022-10-16 04:12:51,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f84f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:12:51, skipping insertion in model container [2022-10-16 04:12:51,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:12:51" (3/3) ... [2022-10-16 04:12:51,441 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 04:12:51,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 04:12:51,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 04:12:51,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 04:12:51,547 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;@22d9c6fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 04:12:51,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 04:12:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 751 states, 748 states have (on average 1.8342245989304813) internal successors, (1372), 750 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 04:12:51,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:51,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:51,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:51,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1998596303, now seen corresponding path program 1 times [2022-10-16 04:12:51,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:51,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665430597] [2022-10-16 04:12:51,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:51,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:52,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:52,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:52,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665430597] [2022-10-16 04:12:52,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665430597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:52,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:52,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 04:12:52,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631695446] [2022-10-16 04:12:52,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:52,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:12:52,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:52,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:12:52,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:52,538 INFO L87 Difference]: Start difference. First operand has 751 states, 748 states have (on average 1.8342245989304813) internal successors, (1372), 750 states have internal predecessors, (1372), 0 states have call successors, (0), 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 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:52,683 INFO L93 Difference]: Finished difference Result 750 states and 1370 transitions. [2022-10-16 04:12:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:12:52,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 04:12:52,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:52,717 INFO L225 Difference]: With dead ends: 750 [2022-10-16 04:12:52,718 INFO L226 Difference]: Without dead ends: 747 [2022-10-16 04:12:52,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:52,724 INFO L413 NwaCegarLoop]: 1369 mSDtfsCounter, 1247 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:52,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 1369 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:12:52,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-10-16 04:12:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2022-10-16 04:12:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 746 states have (on average 1.7707774798927614) internal successors, (1321), 746 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1321 transitions. [2022-10-16 04:12:52,816 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1321 transitions. Word has length 124 [2022-10-16 04:12:52,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:52,817 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 1321 transitions. [2022-10-16 04:12:52,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1321 transitions. [2022-10-16 04:12:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-16 04:12:52,831 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:52,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:52,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 04:12:52,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:52,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1759621140, now seen corresponding path program 1 times [2022-10-16 04:12:52,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:52,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846032957] [2022-10-16 04:12:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:53,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:53,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846032957] [2022-10-16 04:12:53,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846032957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:53,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:53,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:12:53,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129817532] [2022-10-16 04:12:53,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:53,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:12:53,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:53,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:12:53,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:53,335 INFO L87 Difference]: Start difference. First operand 747 states and 1321 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:53,449 INFO L93 Difference]: Finished difference Result 952 states and 1663 transitions. [2022-10-16 04:12:53,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:12:53,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 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 193 [2022-10-16 04:12:53,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:53,457 INFO L225 Difference]: With dead ends: 952 [2022-10-16 04:12:53,458 INFO L226 Difference]: Without dead ends: 952 [2022-10-16 04:12:53,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:53,460 INFO L413 NwaCegarLoop]: 1316 mSDtfsCounter, 339 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:53,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 2591 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:12:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-10-16 04:12:53,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 950. [2022-10-16 04:12:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 949 states have (on average 1.7513171759747101) internal successors, (1662), 949 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1662 transitions. [2022-10-16 04:12:53,527 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1662 transitions. Word has length 193 [2022-10-16 04:12:53,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:53,528 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1662 transitions. [2022-10-16 04:12:53,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:53,529 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1662 transitions. [2022-10-16 04:12:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-10-16 04:12:53,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:53,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:53,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 04:12:53,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:53,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:53,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1458857433, now seen corresponding path program 1 times [2022-10-16 04:12:53,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:53,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756616868] [2022-10-16 04:12:53,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:53,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:53,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:53,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756616868] [2022-10-16 04:12:53,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756616868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:53,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:53,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:12:53,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15669132] [2022-10-16 04:12:53,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:53,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:12:53,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:53,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:12:53,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:53,865 INFO L87 Difference]: Start difference. First operand 950 states and 1662 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:53,908 INFO L93 Difference]: Finished difference Result 1348 states and 2330 transitions. [2022-10-16 04:12:53,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:12:53,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 197 [2022-10-16 04:12:53,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:53,918 INFO L225 Difference]: With dead ends: 1348 [2022-10-16 04:12:53,918 INFO L226 Difference]: Without dead ends: 1348 [2022-10-16 04:12:53,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:53,921 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 339 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 2603 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:53,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 2603 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:12:53,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2022-10-16 04:12:53,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1346. [2022-10-16 04:12:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 1345 states have (on average 1.7315985130111524) internal successors, (2329), 1345 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 2329 transitions. [2022-10-16 04:12:53,970 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 2329 transitions. Word has length 197 [2022-10-16 04:12:53,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:53,972 INFO L495 AbstractCegarLoop]: Abstraction has 1346 states and 2329 transitions. [2022-10-16 04:12:53,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 2329 transitions. [2022-10-16 04:12:53,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-10-16 04:12:53,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:53,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:53,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 04:12:53,978 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:53,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:53,982 INFO L85 PathProgramCache]: Analyzing trace with hash -308666722, now seen corresponding path program 1 times [2022-10-16 04:12:53,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:53,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833877844] [2022-10-16 04:12:53,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:53,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:54,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:54,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833877844] [2022-10-16 04:12:54,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833877844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:54,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:54,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:12:54,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011988336] [2022-10-16 04:12:54,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:54,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:12:54,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:54,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:12:54,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:54,315 INFO L87 Difference]: Start difference. First operand 1346 states and 2329 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:54,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:54,372 INFO L93 Difference]: Finished difference Result 2116 states and 3618 transitions. [2022-10-16 04:12:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:12:54,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 201 [2022-10-16 04:12:54,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:54,388 INFO L225 Difference]: With dead ends: 2116 [2022-10-16 04:12:54,388 INFO L226 Difference]: Without dead ends: 2116 [2022-10-16 04:12:54,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:54,402 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 331 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 2604 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:54,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 2604 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:12:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2022-10-16 04:12:54,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2114. [2022-10-16 04:12:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 2113 states have (on average 1.7117841930903928) internal successors, (3617), 2113 states have internal predecessors, (3617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3617 transitions. [2022-10-16 04:12:54,478 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3617 transitions. Word has length 201 [2022-10-16 04:12:54,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:54,478 INFO L495 AbstractCegarLoop]: Abstraction has 2114 states and 3617 transitions. [2022-10-16 04:12:54,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3617 transitions. [2022-10-16 04:12:54,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 04:12:54,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:54,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:54,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 04:12:54,485 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:54,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:54,486 INFO L85 PathProgramCache]: Analyzing trace with hash 422688099, now seen corresponding path program 1 times [2022-10-16 04:12:54,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:54,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100986161] [2022-10-16 04:12:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:54,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:54,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:54,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100986161] [2022-10-16 04:12:54,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100986161] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:54,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:54,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:12:54,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864658292] [2022-10-16 04:12:54,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:54,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:12:54,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:54,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:12:54,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:54,807 INFO L87 Difference]: Start difference. First operand 2114 states and 3617 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:54,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:54,863 INFO L93 Difference]: Finished difference Result 3604 states and 6102 transitions. [2022-10-16 04:12:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:12:54,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-10-16 04:12:54,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:54,886 INFO L225 Difference]: With dead ends: 3604 [2022-10-16 04:12:54,887 INFO L226 Difference]: Without dead ends: 3604 [2022-10-16 04:12:54,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:54,893 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 323 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:54,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 2605 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:12:54,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2022-10-16 04:12:54,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 3602. [2022-10-16 04:12:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3602 states, 3601 states have (on average 1.6942515967786727) internal successors, (6101), 3601 states have internal predecessors, (6101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 6101 transitions. [2022-10-16 04:12:55,028 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 6101 transitions. Word has length 205 [2022-10-16 04:12:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:55,029 INFO L495 AbstractCegarLoop]: Abstraction has 3602 states and 6101 transitions. [2022-10-16 04:12:55,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 6101 transitions. [2022-10-16 04:12:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 04:12:55,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:55,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:55,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 04:12:55,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:55,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:55,038 INFO L85 PathProgramCache]: Analyzing trace with hash 245335336, now seen corresponding path program 1 times [2022-10-16 04:12:55,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:55,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295196108] [2022-10-16 04:12:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:55,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:55,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:55,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295196108] [2022-10-16 04:12:55,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295196108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:55,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:55,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:12:55,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090980331] [2022-10-16 04:12:55,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:55,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:12:55,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:55,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:12:55,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:55,511 INFO L87 Difference]: Start difference. First operand 3602 states and 6101 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:55,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:55,624 INFO L93 Difference]: Finished difference Result 6484 states and 10886 transitions. [2022-10-16 04:12:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:12:55,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-10-16 04:12:55,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:55,677 INFO L225 Difference]: With dead ends: 6484 [2022-10-16 04:12:55,678 INFO L226 Difference]: Without dead ends: 6484 [2022-10-16 04:12:55,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:55,681 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 315 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:55,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 2606 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:12:55,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6484 states. [2022-10-16 04:12:55,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6484 to 6482. [2022-10-16 04:12:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6482 states, 6481 states have (on average 1.6795247646968061) internal successors, (10885), 6481 states have internal predecessors, (10885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6482 states to 6482 states and 10885 transitions. [2022-10-16 04:12:55,926 INFO L78 Accepts]: Start accepts. Automaton has 6482 states and 10885 transitions. Word has length 209 [2022-10-16 04:12:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:55,927 INFO L495 AbstractCegarLoop]: Abstraction has 6482 states and 10885 transitions. [2022-10-16 04:12:55,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 6482 states and 10885 transitions. [2022-10-16 04:12:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-10-16 04:12:55,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:55,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:55,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 04:12:55,935 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:55,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:55,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1489856749, now seen corresponding path program 1 times [2022-10-16 04:12:55,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:55,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974691229] [2022-10-16 04:12:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:55,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:56,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:56,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974691229] [2022-10-16 04:12:56,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974691229] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:56,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:56,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:12:56,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832451277] [2022-10-16 04:12:56,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:56,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:12:56,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:56,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:12:56,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:12:56,586 INFO L87 Difference]: Start difference. First operand 6482 states and 10885 transitions. Second operand has 7 states, 7 states have (on average 30.428571428571427) internal successors, (213), 7 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:57,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:57,476 INFO L93 Difference]: Finished difference Result 34052 states and 57078 transitions. [2022-10-16 04:12:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 04:12:57,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.428571428571427) internal successors, (213), 7 states have internal predecessors, (213), 0 states have call successors, (0), 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 213 [2022-10-16 04:12:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:57,600 INFO L225 Difference]: With dead ends: 34052 [2022-10-16 04:12:57,600 INFO L226 Difference]: Without dead ends: 34052 [2022-10-16 04:12:57,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 04:12:57,603 INFO L413 NwaCegarLoop]: 1309 mSDtfsCounter, 4630 mSDsluCounter, 10022 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4630 SdHoareTripleChecker+Valid, 11331 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:57,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4630 Valid, 11331 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 04:12:57,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34052 states. [2022-10-16 04:12:58,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34052 to 12219. [2022-10-16 04:12:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12219 states, 12218 states have (on average 1.6736781797348175) internal successors, (20449), 12218 states have internal predecessors, (20449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12219 states to 12219 states and 20449 transitions. [2022-10-16 04:12:58,378 INFO L78 Accepts]: Start accepts. Automaton has 12219 states and 20449 transitions. Word has length 213 [2022-10-16 04:12:58,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:58,379 INFO L495 AbstractCegarLoop]: Abstraction has 12219 states and 20449 transitions. [2022-10-16 04:12:58,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.428571428571427) internal successors, (213), 7 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 12219 states and 20449 transitions. [2022-10-16 04:12:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-16 04:12:58,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:58,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:58,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 04:12:58,391 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:58,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:58,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1130700822, now seen corresponding path program 1 times [2022-10-16 04:12:58,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:58,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502185898] [2022-10-16 04:12:58,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:58,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:58,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:58,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502185898] [2022-10-16 04:12:58,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502185898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:58,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:58,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:12:58,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348290521] [2022-10-16 04:12:58,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:58,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:12:58,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:58,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:12:58,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:12:58,679 INFO L87 Difference]: Start difference. First operand 12219 states and 20449 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:58,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:12:58,985 INFO L93 Difference]: Finished difference Result 24237 states and 40629 transitions. [2022-10-16 04:12:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:12:58,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 214 [2022-10-16 04:12:58,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:12:59,050 INFO L225 Difference]: With dead ends: 24237 [2022-10-16 04:12:59,050 INFO L226 Difference]: Without dead ends: 24237 [2022-10-16 04:12:59,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:12:59,052 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 1087 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:12:59,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 4248 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:12:59,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24237 states. [2022-10-16 04:12:59,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24237 to 18195. [2022-10-16 04:12:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18195 states, 18194 states have (on average 1.6733538529185445) internal successors, (30445), 18194 states have internal predecessors, (30445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18195 states to 18195 states and 30445 transitions. [2022-10-16 04:12:59,631 INFO L78 Accepts]: Start accepts. Automaton has 18195 states and 30445 transitions. Word has length 214 [2022-10-16 04:12:59,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:12:59,632 INFO L495 AbstractCegarLoop]: Abstraction has 18195 states and 30445 transitions. [2022-10-16 04:12:59,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:12:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 18195 states and 30445 transitions. [2022-10-16 04:12:59,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 04:12:59,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:12:59,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:12:59,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 04:12:59,651 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:12:59,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:12:59,652 INFO L85 PathProgramCache]: Analyzing trace with hash 534456548, now seen corresponding path program 1 times [2022-10-16 04:12:59,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:12:59,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490879281] [2022-10-16 04:12:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:12:59,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:12:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:12:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:12:59,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:12:59,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490879281] [2022-10-16 04:12:59,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490879281] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:12:59,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:12:59,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:12:59,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890763486] [2022-10-16 04:12:59,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:12:59,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:12:59,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:12:59,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:12:59,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:12:59,992 INFO L87 Difference]: Start difference. First operand 18195 states and 30445 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:00,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:00,207 INFO L93 Difference]: Finished difference Result 25877 states and 43197 transitions. [2022-10-16 04:13:00,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:13:00,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-10-16 04:13:00,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:00,270 INFO L225 Difference]: With dead ends: 25877 [2022-10-16 04:13:00,270 INFO L226 Difference]: Without dead ends: 25877 [2022-10-16 04:13:00,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:00,272 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 332 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 2755 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:00,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 2755 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:13:00,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25877 states. [2022-10-16 04:13:00,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25877 to 25875. [2022-10-16 04:13:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25875 states, 25874 states have (on average 1.6694751487980213) internal successors, (43196), 25874 states have internal predecessors, (43196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25875 states to 25875 states and 43196 transitions. [2022-10-16 04:13:01,080 INFO L78 Accepts]: Start accepts. Automaton has 25875 states and 43196 transitions. Word has length 215 [2022-10-16 04:13:01,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:13:01,081 INFO L495 AbstractCegarLoop]: Abstraction has 25875 states and 43196 transitions. [2022-10-16 04:13:01,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:01,081 INFO L276 IsEmpty]: Start isEmpty. Operand 25875 states and 43196 transitions. [2022-10-16 04:13:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 04:13:01,090 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:13:01,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:13:01,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 04:13:01,091 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:13:01,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:13:01,093 INFO L85 PathProgramCache]: Analyzing trace with hash -759048876, now seen corresponding path program 1 times [2022-10-16 04:13:01,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:13:01,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107890209] [2022-10-16 04:13:01,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:13:01,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:13:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:13:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:13:01,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:13:01,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107890209] [2022-10-16 04:13:01,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107890209] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:13:01,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:13:01,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:13:01,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070681130] [2022-10-16 04:13:01,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:13:01,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:13:01,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:13:01,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:13:01,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:13:01,522 INFO L87 Difference]: Start difference. First operand 25875 states and 43196 transitions. Second operand has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:01,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:01,933 INFO L93 Difference]: Finished difference Result 51512 states and 86005 transitions. [2022-10-16 04:13:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:13:01,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-10-16 04:13:01,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:02,059 INFO L225 Difference]: With dead ends: 51512 [2022-10-16 04:13:02,059 INFO L226 Difference]: Without dead ends: 51512 [2022-10-16 04:13:02,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:13:02,061 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 1085 mSDsluCounter, 2742 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 4075 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:02,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 4075 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:13:02,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51512 states. [2022-10-16 04:13:02,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51512 to 38626. [2022-10-16 04:13:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38626 states, 38625 states have (on average 1.66715857605178) internal successors, (64394), 38625 states have internal predecessors, (64394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38626 states to 38626 states and 64394 transitions. [2022-10-16 04:13:03,169 INFO L78 Accepts]: Start accepts. Automaton has 38626 states and 64394 transitions. Word has length 215 [2022-10-16 04:13:03,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:13:03,171 INFO L495 AbstractCegarLoop]: Abstraction has 38626 states and 64394 transitions. [2022-10-16 04:13:03,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 38626 states and 64394 transitions. [2022-10-16 04:13:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 04:13:03,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:13:03,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:13:03,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 04:13:03,192 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:13:03,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:13:03,193 INFO L85 PathProgramCache]: Analyzing trace with hash -296680176, now seen corresponding path program 1 times [2022-10-16 04:13:03,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:13:03,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890583839] [2022-10-16 04:13:03,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:13:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:13:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:13:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:13:03,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:13:03,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890583839] [2022-10-16 04:13:03,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890583839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:13:03,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:13:03,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:13:03,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235472286] [2022-10-16 04:13:03,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:13:03,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:13:03,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:13:03,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:13:03,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:03,680 INFO L87 Difference]: Start difference. First operand 38626 states and 64394 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:03,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:03,959 INFO L93 Difference]: Finished difference Result 55424 states and 92179 transitions. [2022-10-16 04:13:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:13:03,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-10-16 04:13:03,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:04,275 INFO L225 Difference]: With dead ends: 55424 [2022-10-16 04:13:04,275 INFO L226 Difference]: Without dead ends: 55424 [2022-10-16 04:13:04,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:04,276 INFO L413 NwaCegarLoop]: 1380 mSDtfsCounter, 316 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:04,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 2646 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:13:04,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55424 states. [2022-10-16 04:13:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55424 to 55422. [2022-10-16 04:13:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55422 states, 55421 states have (on average 1.6632323487486693) internal successors, (92178), 55421 states have internal predecessors, (92178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55422 states to 55422 states and 92178 transitions. [2022-10-16 04:13:05,771 INFO L78 Accepts]: Start accepts. Automaton has 55422 states and 92178 transitions. Word has length 215 [2022-10-16 04:13:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:13:05,771 INFO L495 AbstractCegarLoop]: Abstraction has 55422 states and 92178 transitions. [2022-10-16 04:13:05,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 55422 states and 92178 transitions. [2022-10-16 04:13:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 04:13:05,790 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:13:05,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:13:05,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 04:13:05,794 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:13:05,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:13:05,795 INFO L85 PathProgramCache]: Analyzing trace with hash -920100294, now seen corresponding path program 1 times [2022-10-16 04:13:05,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:13:05,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448564146] [2022-10-16 04:13:05,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:13:05,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:13:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:13:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:13:06,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:13:06,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448564146] [2022-10-16 04:13:06,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448564146] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:13:06,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:13:06,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:13:06,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800469554] [2022-10-16 04:13:06,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:13:06,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:13:06,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:13:06,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:13:06,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:06,065 INFO L87 Difference]: Start difference. First operand 55422 states and 92178 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:06,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:06,385 INFO L93 Difference]: Finished difference Result 77194 states and 128159 transitions. [2022-10-16 04:13:06,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:13:06,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-10-16 04:13:06,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:06,801 INFO L225 Difference]: With dead ends: 77194 [2022-10-16 04:13:06,801 INFO L226 Difference]: Without dead ends: 77194 [2022-10-16 04:13:06,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:06,803 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 324 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 2712 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:06,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 2712 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:13:06,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77194 states. [2022-10-16 04:13:08,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77194 to 77192. [2022-10-16 04:13:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77192 states, 77191 states have (on average 1.6602712751486572) internal successors, (128158), 77191 states have internal predecessors, (128158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77192 states to 77192 states and 128158 transitions. [2022-10-16 04:13:08,438 INFO L78 Accepts]: Start accepts. Automaton has 77192 states and 128158 transitions. Word has length 215 [2022-10-16 04:13:08,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:13:08,439 INFO L495 AbstractCegarLoop]: Abstraction has 77192 states and 128158 transitions. [2022-10-16 04:13:08,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 77192 states and 128158 transitions. [2022-10-16 04:13:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 04:13:08,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:13:08,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:13:08,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 04:13:08,450 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:13:08,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:13:08,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1317250802, now seen corresponding path program 1 times [2022-10-16 04:13:08,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:13:08,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605300799] [2022-10-16 04:13:08,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:13:08,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:13:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:13:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:13:09,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:13:09,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605300799] [2022-10-16 04:13:09,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605300799] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:13:09,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:13:09,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:13:09,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399343271] [2022-10-16 04:13:09,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:13:09,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:13:09,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:13:09,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:13:09,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:09,150 INFO L87 Difference]: Start difference. First operand 77192 states and 128158 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:09,688 INFO L93 Difference]: Finished difference Result 116253 states and 192555 transitions. [2022-10-16 04:13:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:13:09,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-10-16 04:13:09,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:09,954 INFO L225 Difference]: With dead ends: 116253 [2022-10-16 04:13:09,955 INFO L226 Difference]: Without dead ends: 116253 [2022-10-16 04:13:09,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:09,957 INFO L413 NwaCegarLoop]: 1557 mSDtfsCounter, 340 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:09,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 2820 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:13:10,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116253 states. [2022-10-16 04:13:11,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116253 to 116251. [2022-10-16 04:13:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116251 states, 116250 states have (on average 1.656378494623656) internal successors, (192554), 116250 states have internal predecessors, (192554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116251 states to 116251 states and 192554 transitions. [2022-10-16 04:13:12,728 INFO L78 Accepts]: Start accepts. Automaton has 116251 states and 192554 transitions. Word has length 215 [2022-10-16 04:13:12,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:13:12,741 INFO L495 AbstractCegarLoop]: Abstraction has 116251 states and 192554 transitions. [2022-10-16 04:13:12,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 116251 states and 192554 transitions. [2022-10-16 04:13:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 04:13:12,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:13:12,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:13:12,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 04:13:12,759 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:13:12,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:13:12,759 INFO L85 PathProgramCache]: Analyzing trace with hash 496956088, now seen corresponding path program 1 times [2022-10-16 04:13:12,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:13:12,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144312487] [2022-10-16 04:13:12,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:13:12,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:13:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:13:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:13:13,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:13:13,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144312487] [2022-10-16 04:13:13,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144312487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:13:13,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:13:13,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 04:13:13,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5929035] [2022-10-16 04:13:13,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:13:13,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 04:13:13,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:13:13,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 04:13:13,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:13,003 INFO L87 Difference]: Start difference. First operand 116251 states and 192554 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:13,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:13,980 INFO L93 Difference]: Finished difference Result 175651 states and 290604 transitions. [2022-10-16 04:13:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 04:13:13,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2022-10-16 04:13:13,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:14,228 INFO L225 Difference]: With dead ends: 175651 [2022-10-16 04:13:14,229 INFO L226 Difference]: Without dead ends: 175651 [2022-10-16 04:13:14,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 04:13:14,229 INFO L413 NwaCegarLoop]: 1616 mSDtfsCounter, 348 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:14,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 2878 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:13:14,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175651 states. [2022-10-16 04:13:16,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175651 to 175649. [2022-10-16 04:13:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175649 states, 175648 states have (on average 1.6544623337584259) internal successors, (290603), 175648 states have internal predecessors, (290603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175649 states to 175649 states and 290603 transitions. [2022-10-16 04:13:17,447 INFO L78 Accepts]: Start accepts. Automaton has 175649 states and 290603 transitions. Word has length 215 [2022-10-16 04:13:17,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:13:17,448 INFO L495 AbstractCegarLoop]: Abstraction has 175649 states and 290603 transitions. [2022-10-16 04:13:17,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 175649 states and 290603 transitions. [2022-10-16 04:13:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-10-16 04:13:17,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:13:17,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:13:17,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 04:13:17,452 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:13:17,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:13:17,453 INFO L85 PathProgramCache]: Analyzing trace with hash -2118182415, now seen corresponding path program 1 times [2022-10-16 04:13:17,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:13:17,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589776072] [2022-10-16 04:13:17,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:13:17,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:13:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:13:17,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:13:17,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:13:17,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589776072] [2022-10-16 04:13:17,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589776072] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:13:17,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:13:17,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:13:17,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569499097] [2022-10-16 04:13:17,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:13:17,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:13:17,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:13:17,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:13:17,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:13:17,707 INFO L87 Difference]: Start difference. First operand 175649 states and 290603 transitions. Second operand has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:19,920 INFO L93 Difference]: Finished difference Result 401565 states and 663946 transitions. [2022-10-16 04:13:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:13:19,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 0 states have call successors, (0), 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 216 [2022-10-16 04:13:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:20,670 INFO L225 Difference]: With dead ends: 401565 [2022-10-16 04:13:20,670 INFO L226 Difference]: Without dead ends: 401565 [2022-10-16 04:13:20,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:13:20,671 INFO L413 NwaCegarLoop]: 1313 mSDtfsCounter, 1083 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 4101 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:20,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 4101 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 04:13:20,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401565 states. [2022-10-16 04:13:26,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401565 to 288164. [2022-10-16 04:13:26,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288164 states, 288163 states have (on average 1.6509059108907111) internal successors, (475730), 288163 states have internal predecessors, (475730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288164 states to 288164 states and 475730 transitions. [2022-10-16 04:13:28,264 INFO L78 Accepts]: Start accepts. Automaton has 288164 states and 475730 transitions. Word has length 216 [2022-10-16 04:13:28,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:13:28,265 INFO L495 AbstractCegarLoop]: Abstraction has 288164 states and 475730 transitions. [2022-10-16 04:13:28,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.0) internal successors, (216), 4 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:28,267 INFO L276 IsEmpty]: Start isEmpty. Operand 288164 states and 475730 transitions. [2022-10-16 04:13:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-10-16 04:13:28,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:13:28,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:13:28,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 04:13:28,287 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:13:28,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:13:28,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1297091141, now seen corresponding path program 1 times [2022-10-16 04:13:28,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:13:28,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588353947] [2022-10-16 04:13:28,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:13:28,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:13:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:13:28,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:13:28,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:13:28,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588353947] [2022-10-16 04:13:28,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588353947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:13:28,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:13:28,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:13:28,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015034948] [2022-10-16 04:13:28,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:13:28,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:13:28,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:13:28,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:13:28,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:13:28,600 INFO L87 Difference]: Start difference. First operand 288164 states and 475730 transitions. Second operand has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:31,706 INFO L93 Difference]: Finished difference Result 655204 states and 1081055 transitions. [2022-10-16 04:13:31,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:13:31,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 0 states have call successors, (0), 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 217 [2022-10-16 04:13:31,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:33,599 INFO L225 Difference]: With dead ends: 655204 [2022-10-16 04:13:33,600 INFO L226 Difference]: Without dead ends: 655204 [2022-10-16 04:13:33,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:13:33,601 INFO L413 NwaCegarLoop]: 1310 mSDtfsCounter, 1081 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:33,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 4252 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:13:34,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655204 states. [2022-10-16 04:13:42,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655204 to 470959. [2022-10-16 04:13:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470959 states, 470958 states have (on average 1.6474101724569918) internal successors, (775861), 470958 states have internal predecessors, (775861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470959 states to 470959 states and 775861 transitions. [2022-10-16 04:13:46,922 INFO L78 Accepts]: Start accepts. Automaton has 470959 states and 775861 transitions. Word has length 217 [2022-10-16 04:13:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:13:46,925 INFO L495 AbstractCegarLoop]: Abstraction has 470959 states and 775861 transitions. [2022-10-16 04:13:46,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 470959 states and 775861 transitions. [2022-10-16 04:13:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-10-16 04:13:46,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:13:46,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:13:46,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 04:13:46,930 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:13:46,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:13:46,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1608507400, now seen corresponding path program 1 times [2022-10-16 04:13:46,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:13:46,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333061001] [2022-10-16 04:13:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:13:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:13:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:13:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:13:47,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:13:47,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333061001] [2022-10-16 04:13:47,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333061001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:13:47,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:13:47,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 04:13:47,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226673887] [2022-10-16 04:13:47,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:13:47,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 04:13:47,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:13:47,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 04:13:47,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 04:13:47,520 INFO L87 Difference]: Start difference. First operand 470959 states and 775861 transitions. Second operand has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:13:54,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:13:54,448 INFO L93 Difference]: Finished difference Result 1059491 states and 1744532 transitions. [2022-10-16 04:13:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 04:13:54,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2022-10-16 04:13:54,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:13:57,692 INFO L225 Difference]: With dead ends: 1059491 [2022-10-16 04:13:57,692 INFO L226 Difference]: Without dead ends: 1059491 [2022-10-16 04:13:57,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 04:13:57,709 INFO L413 NwaCegarLoop]: 1309 mSDtfsCounter, 1079 mSDsluCounter, 2926 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 4235 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 04:13:57,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 4235 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 04:13:59,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059491 states. [2022-10-16 04:14:13,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059491 to 764054. [2022-10-16 04:14:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764054 states, 764053 states have (on average 1.644001136046845) internal successors, (1256104), 764053 states have internal predecessors, (1256104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:14:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764054 states to 764054 states and 1256104 transitions. [2022-10-16 04:14:24,563 INFO L78 Accepts]: Start accepts. Automaton has 764054 states and 1256104 transitions. Word has length 218 [2022-10-16 04:14:24,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:14:24,564 INFO L495 AbstractCegarLoop]: Abstraction has 764054 states and 1256104 transitions. [2022-10-16 04:14:24,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:14:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 764054 states and 1256104 transitions. [2022-10-16 04:14:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-10-16 04:14:24,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:14:24,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:14:24,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 04:14:24,585 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:14:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:14:24,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1104681751, now seen corresponding path program 1 times [2022-10-16 04:14:24,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:14:24,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778848740] [2022-10-16 04:14:24,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:14:24,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:14:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:14:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:14:25,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:14:25,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778848740] [2022-10-16 04:14:25,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778848740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:14:25,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:14:25,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:14:25,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417634373] [2022-10-16 04:14:25,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:14:25,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:14:25,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:14:25,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:14:25,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:14:25,575 INFO L87 Difference]: Start difference. First operand 764054 states and 1256104 transitions. Second operand has 7 states, 7 states have (on average 31.428571428571427) internal successors, (220), 7 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:14:30,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 04:14:30,806 INFO L93 Difference]: Finished difference Result 764056 states and 1252980 transitions. [2022-10-16 04:14:30,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 04:14:30,807 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 31.428571428571427) internal successors, (220), 7 states have internal predecessors, (220), 0 states have call successors, (0), 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 220 [2022-10-16 04:14:30,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 04:14:33,835 INFO L225 Difference]: With dead ends: 764056 [2022-10-16 04:14:33,836 INFO L226 Difference]: Without dead ends: 764056 [2022-10-16 04:14:33,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-16 04:14:33,840 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 583 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 7696 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 04:14:33,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 7696 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 04:14:34,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764056 states. [2022-10-16 04:14:47,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764056 to 764054. [2022-10-16 04:14:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764054 states, 764053 states have (on average 1.639911105643195) internal successors, (1252979), 764053 states have internal predecessors, (1252979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:14:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764054 states to 764054 states and 1252979 transitions. [2022-10-16 04:14:53,458 INFO L78 Accepts]: Start accepts. Automaton has 764054 states and 1252979 transitions. Word has length 220 [2022-10-16 04:14:53,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 04:14:53,463 INFO L495 AbstractCegarLoop]: Abstraction has 764054 states and 1252979 transitions. [2022-10-16 04:14:53,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 31.428571428571427) internal successors, (220), 7 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 04:14:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 764054 states and 1252979 transitions. [2022-10-16 04:14:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-16 04:14:53,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 04:14:53,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 04:14:53,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 04:14:53,473 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 04:14:53,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 04:14:53,474 INFO L85 PathProgramCache]: Analyzing trace with hash 712242829, now seen corresponding path program 1 times [2022-10-16 04:14:53,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 04:14:53,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612973927] [2022-10-16 04:14:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 04:14:53,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 04:14:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 04:14:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 04:14:55,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 04:14:55,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612973927] [2022-10-16 04:14:55,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612973927] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 04:14:55,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 04:14:55,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 04:14:55,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656042148] [2022-10-16 04:14:55,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 04:14:55,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 04:14:55,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 04:14:55,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 04:14:55,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 04:14:55,056 INFO L87 Difference]: Start difference. First operand 764054 states and 1252979 transitions. Second operand has 7 states, 7 states have (on average 31.857142857142858) internal successors, (223), 7 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)