/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 02:41:36,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 02:41:36,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 02:41:36,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 02:41:36,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 02:41:36,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 02:41:36,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 02:41:36,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 02:41:36,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 02:41:36,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 02:41:36,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 02:41:36,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 02:41:36,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 02:41:36,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 02:41:36,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 02:41:36,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 02:41:36,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 02:41:36,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 02:41:36,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 02:41:36,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 02:41:36,448 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 02:41:36,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 02:41:36,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 02:41:36,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 02:41:36,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 02:41:36,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 02:41:36,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 02:41:36,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 02:41:36,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 02:41:36,483 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 02:41:36,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 02:41:36,484 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 02:41:36,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 02:41:36,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 02:41:36,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 02:41:36,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 02:41:36,485 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 02:41:36,486 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 02:41:36,486 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 02:41:36,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 02:41:36,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 02:41:36,487 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 02:41:36,487 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 02:41:36,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 02:41:36,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 02:41:36,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 02:41:36,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:41:36,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 02:41:36,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 02:41:36,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 02:41:36,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 02:41:36,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 02:41:36,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 02:41:36,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 02:41:36,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 02:41:36,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 02:41:36,976 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 02:41:36,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2022-10-16 02:41:37,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d17ab624/b057e93bceb041f18f259c97469173b3/FLAGebba74dd5 [2022-10-16 02:41:37,770 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 02:41:37,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2022-10-16 02:41:37,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d17ab624/b057e93bceb041f18f259c97469173b3/FLAGebba74dd5 [2022-10-16 02:41:38,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d17ab624/b057e93bceb041f18f259c97469173b3 [2022-10-16 02:41:38,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 02:41:38,094 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 02:41:38,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 02:41:38,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 02:41:38,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 02:41:38,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5fa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38, skipping insertion in model container [2022-10-16 02:41:38,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 02:41:38,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 02:41:38,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12639,12652] [2022-10-16 02:41:38,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:41:38,471 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 02:41:38,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12639,12652] [2022-10-16 02:41:38,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:41:38,637 INFO L208 MainTranslator]: Completed translation [2022-10-16 02:41:38,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38 WrapperNode [2022-10-16 02:41:38,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 02:41:38,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 02:41:38,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 02:41:38,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 02:41:38,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,716 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 384 [2022-10-16 02:41:38,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 02:41:38,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 02:41:38,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 02:41:38,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 02:41:38,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,765 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 02:41:38,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 02:41:38,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 02:41:38,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 02:41:38,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (1/1) ... [2022-10-16 02:41:38,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:41:38,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:41:38,833 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 02:41:38,856 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 02:41:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 02:41:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 02:41:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 02:41:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 02:41:39,025 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 02:41:39,028 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 02:41:39,845 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 02:41:39,856 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 02:41:39,856 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 02:41:39,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:39 BoogieIcfgContainer [2022-10-16 02:41:39,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 02:41:39,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 02:41:39,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 02:41:39,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 02:41:39,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:41:38" (1/3) ... [2022-10-16 02:41:39,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20462bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:39, skipping insertion in model container [2022-10-16 02:41:39,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:38" (2/3) ... [2022-10-16 02:41:39,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20462bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:39, skipping insertion in model container [2022-10-16 02:41:39,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:39" (3/3) ... [2022-10-16 02:41:39,874 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2022-10-16 02:41:39,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 02:41:39,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 02:41:39,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 02:41:39,965 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;@79cdac5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 02:41:39,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 02:41:39,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 117 states have (on average 1.7179487179487178) internal successors, (201), 119 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 02:41:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 02:41:39,981 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:39,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:39,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:39,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:39,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1256412175, now seen corresponding path program 1 times [2022-10-16 02:41:40,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:40,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330488161] [2022-10-16 02:41:40,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:40,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:40,231 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 02:41:40,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:40,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330488161] [2022-10-16 02:41:40,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330488161] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:40,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:40,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 02:41:40,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352842841] [2022-10-16 02:41:40,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:40,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 02:41:40,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:40,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 02:41:40,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 02:41:40,299 INFO L87 Difference]: Start difference. First operand has 120 states, 117 states have (on average 1.7179487179487178) internal successors, (201), 119 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states 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 02:41:40,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:40,341 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2022-10-16 02:41:40,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 02:41:40,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-16 02:41:40,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:40,358 INFO L225 Difference]: With dead ends: 120 [2022-10-16 02:41:40,358 INFO L226 Difference]: Without dead ends: 118 [2022-10-16 02:41:40,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 02:41:40,366 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:40,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:40,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-10-16 02:41:40,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-10-16 02:41:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.6896551724137931) internal successors, (196), 117 states have internal predecessors, (196), 0 states have call successors, (0), 0 states 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 02:41:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 196 transitions. [2022-10-16 02:41:40,423 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 196 transitions. Word has length 10 [2022-10-16 02:41:40,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:40,424 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 196 transitions. [2022-10-16 02:41:40,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states 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 02:41:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2022-10-16 02:41:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 02:41:40,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:40,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:40,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 02:41:40,426 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:40,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:40,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1254565133, now seen corresponding path program 1 times [2022-10-16 02:41:40,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:40,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590423928] [2022-10-16 02:41:40,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:40,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:40,718 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 02:41:40,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:40,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590423928] [2022-10-16 02:41:40,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590423928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:40,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:40,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:41:40,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956218019] [2022-10-16 02:41:40,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:40,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:41:40,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:40,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:41:40,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:41:40,725 INFO L87 Difference]: Start difference. First operand 118 states and 196 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states 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 02:41:40,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:40,831 INFO L93 Difference]: Finished difference Result 121 states and 198 transitions. [2022-10-16 02:41:40,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:41:40,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-16 02:41:40,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:40,834 INFO L225 Difference]: With dead ends: 121 [2022-10-16 02:41:40,834 INFO L226 Difference]: Without dead ends: 118 [2022-10-16 02:41:40,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:41:40,836 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 3 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:40,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 741 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:41:40,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-10-16 02:41:40,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-10-16 02:41:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.4137931034482758) internal successors, (164), 117 states have internal predecessors, (164), 0 states have call successors, (0), 0 states 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 02:41:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-10-16 02:41:40,864 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 10 [2022-10-16 02:41:40,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:40,864 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-10-16 02:41:40,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states 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 02:41:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-10-16 02:41:40,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 02:41:40,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:40,866 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] [2022-10-16 02:41:40,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 02:41:40,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:40,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:40,868 INFO L85 PathProgramCache]: Analyzing trace with hash -977810242, now seen corresponding path program 1 times [2022-10-16 02:41:40,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:40,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377226636] [2022-10-16 02:41:40,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:40,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:41,016 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 02:41:41,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:41,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377226636] [2022-10-16 02:41:41,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377226636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:41,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:41,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:41:41,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674213701] [2022-10-16 02:41:41,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:41,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:41:41,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:41,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:41:41,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:41:41,020 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states 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 02:41:41,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:41,072 INFO L93 Difference]: Finished difference Result 195 states and 287 transitions. [2022-10-16 02:41:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:41:41,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-16 02:41:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:41,082 INFO L225 Difference]: With dead ends: 195 [2022-10-16 02:41:41,083 INFO L226 Difference]: Without dead ends: 195 [2022-10-16 02:41:41,083 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 02:41:41,088 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 122 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:41,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 320 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:41,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-10-16 02:41:41,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 119. [2022-10-16 02:41:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 117 states have (on average 1.4102564102564104) internal successors, (165), 118 states have internal predecessors, (165), 0 states have call successors, (0), 0 states 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 02:41:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-10-16 02:41:41,120 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 41 [2022-10-16 02:41:41,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:41,121 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-10-16 02:41:41,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states 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 02:41:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-10-16 02:41:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 02:41:41,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:41,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:41,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 02:41:41,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:41,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:41,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1143227198, now seen corresponding path program 1 times [2022-10-16 02:41:41,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:41,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647914611] [2022-10-16 02:41:41,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:41,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:41,360 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 02:41:41,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:41,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647914611] [2022-10-16 02:41:41,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647914611] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:41,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:41,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:41:41,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858733562] [2022-10-16 02:41:41,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:41,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:41:41,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:41,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:41:41,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:41:41,365 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:41,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:41,390 INFO L93 Difference]: Finished difference Result 187 states and 270 transitions. [2022-10-16 02:41:41,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:41:41,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 02:41:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:41,393 INFO L225 Difference]: With dead ends: 187 [2022-10-16 02:41:41,393 INFO L226 Difference]: Without dead ends: 187 [2022-10-16 02:41:41,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:41:41,396 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 110 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 369 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 02:41:41,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 369 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:41,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-10-16 02:41:41,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 182. [2022-10-16 02:41:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 180 states have (on average 1.4833333333333334) internal successors, (267), 181 states have internal predecessors, (267), 0 states have call successors, (0), 0 states 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 02:41:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 267 transitions. [2022-10-16 02:41:41,412 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 267 transitions. Word has length 64 [2022-10-16 02:41:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:41,413 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 267 transitions. [2022-10-16 02:41:41,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 267 transitions. [2022-10-16 02:41:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 02:41:41,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:41,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:41,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 02:41:41,417 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:41,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:41,418 INFO L85 PathProgramCache]: Analyzing trace with hash -969420354, now seen corresponding path program 1 times [2022-10-16 02:41:41,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:41,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65275071] [2022-10-16 02:41:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:41,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:41:41,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:41,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65275071] [2022-10-16 02:41:41,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65275071] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:41,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:41,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:41:41,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361924507] [2022-10-16 02:41:41,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:41,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:41:41,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:41,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:41:41,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:41:41,604 INFO L87 Difference]: Start difference. First operand 182 states and 267 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:41,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:41,628 INFO L93 Difference]: Finished difference Result 301 states and 453 transitions. [2022-10-16 02:41:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:41:41,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 02:41:41,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:41,632 INFO L225 Difference]: With dead ends: 301 [2022-10-16 02:41:41,632 INFO L226 Difference]: Without dead ends: 301 [2022-10-16 02:41:41,632 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 02:41:41,634 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 105 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 360 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 02:41:41,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 360 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:41,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-10-16 02:41:41,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 296. [2022-10-16 02:41:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 294 states have (on average 1.530612244897959) internal successors, (450), 295 states have internal predecessors, (450), 0 states have call successors, (0), 0 states 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 02:41:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 450 transitions. [2022-10-16 02:41:41,654 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 450 transitions. Word has length 65 [2022-10-16 02:41:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:41,654 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 450 transitions. [2022-10-16 02:41:41,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 450 transitions. [2022-10-16 02:41:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 02:41:41,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:41,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:41,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 02:41:41,658 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:41,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:41,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1280140338, now seen corresponding path program 1 times [2022-10-16 02:41:41,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:41,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784866067] [2022-10-16 02:41:41,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:41,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:41,753 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 02:41:41,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:41,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784866067] [2022-10-16 02:41:41,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784866067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:41,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:41,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:41:41,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984441093] [2022-10-16 02:41:41,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:41,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:41:41,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:41,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:41:41,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:41:41,757 INFO L87 Difference]: Start difference. First operand 296 states and 450 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:41,778 INFO L93 Difference]: Finished difference Result 505 states and 777 transitions. [2022-10-16 02:41:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:41:41,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 02:41:41,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:41,783 INFO L225 Difference]: With dead ends: 505 [2022-10-16 02:41:41,783 INFO L226 Difference]: Without dead ends: 505 [2022-10-16 02:41:41,784 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 02:41:41,786 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 100 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 351 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 02:41:41,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 351 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:41,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-10-16 02:41:41,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 500. [2022-10-16 02:41:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 498 states have (on average 1.5542168674698795) internal successors, (774), 499 states have internal predecessors, (774), 0 states have call successors, (0), 0 states 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 02:41:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 774 transitions. [2022-10-16 02:41:41,814 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 774 transitions. Word has length 66 [2022-10-16 02:41:41,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:41,814 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 774 transitions. [2022-10-16 02:41:41,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 774 transitions. [2022-10-16 02:41:41,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 02:41:41,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:41,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:41,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 02:41:41,818 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:41,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:41,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1226283954, now seen corresponding path program 1 times [2022-10-16 02:41:41,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:41,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034681921] [2022-10-16 02:41:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:41,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:41,951 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 02:41:41,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:41,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034681921] [2022-10-16 02:41:41,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034681921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:41,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:41,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:41:41,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613250330] [2022-10-16 02:41:41,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:41,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:41:41,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:41,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:41:41,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:41:41,955 INFO L87 Difference]: Start difference. First operand 500 states and 774 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:41,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:41,979 INFO L93 Difference]: Finished difference Result 865 states and 1341 transitions. [2022-10-16 02:41:41,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:41:41,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 02:41:41,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:41,986 INFO L225 Difference]: With dead ends: 865 [2022-10-16 02:41:41,986 INFO L226 Difference]: Without dead ends: 865 [2022-10-16 02:41:41,987 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 02:41:41,988 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 95 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 342 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 02:41:41,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 342 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:41,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2022-10-16 02:41:42,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 860. [2022-10-16 02:41:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 858 states have (on average 1.5594405594405594) internal successors, (1338), 859 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states 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 02:41:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1338 transitions. [2022-10-16 02:41:42,018 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1338 transitions. Word has length 67 [2022-10-16 02:41:42,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:42,019 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1338 transitions. [2022-10-16 02:41:42,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1338 transitions. [2022-10-16 02:41:42,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 02:41:42,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:42,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:42,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 02:41:42,023 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:42,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash 211928158, now seen corresponding path program 1 times [2022-10-16 02:41:42,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:42,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612957364] [2022-10-16 02:41:42,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:42,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:42,307 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 02:41:42,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:42,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612957364] [2022-10-16 02:41:42,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612957364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:42,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:42,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 02:41:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950723002] [2022-10-16 02:41:42,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:42,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 02:41:42,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:42,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 02:41:42,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:41:42,313 INFO L87 Difference]: Start difference. First operand 860 states and 1338 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:42,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:42,571 INFO L93 Difference]: Finished difference Result 4965 states and 7801 transitions. [2022-10-16 02:41:42,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 02:41:42,572 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 02:41:42,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:42,607 INFO L225 Difference]: With dead ends: 4965 [2022-10-16 02:41:42,608 INFO L226 Difference]: Without dead ends: 4965 [2022-10-16 02:41:42,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:41:42,611 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 1293 mSDsluCounter, 1685 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:42,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 1847 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:41:42,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4965 states. [2022-10-16 02:41:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4965 to 1676. [2022-10-16 02:41:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1674 states have (on average 1.5543608124253285) internal successors, (2602), 1675 states have internal predecessors, (2602), 0 states have call successors, (0), 0 states 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 02:41:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2602 transitions. [2022-10-16 02:41:42,741 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2602 transitions. Word has length 68 [2022-10-16 02:41:42,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:42,743 INFO L495 AbstractCegarLoop]: Abstraction has 1676 states and 2602 transitions. [2022-10-16 02:41:42,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2602 transitions. [2022-10-16 02:41:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 02:41:42,748 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:42,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:42,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 02:41:42,750 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:42,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:42,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1891482376, now seen corresponding path program 1 times [2022-10-16 02:41:42,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:42,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439337401] [2022-10-16 02:41:42,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:42,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:43,048 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 02:41:43,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:43,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439337401] [2022-10-16 02:41:43,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439337401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:43,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:43,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 02:41:43,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033879456] [2022-10-16 02:41:43,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:43,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 02:41:43,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:43,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 02:41:43,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:41:43,052 INFO L87 Difference]: Start difference. First operand 1676 states and 2602 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:43,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:43,243 INFO L93 Difference]: Finished difference Result 7392 states and 11382 transitions. [2022-10-16 02:41:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 02:41:43,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 02:41:43,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:43,285 INFO L225 Difference]: With dead ends: 7392 [2022-10-16 02:41:43,285 INFO L226 Difference]: Without dead ends: 7392 [2022-10-16 02:41:43,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:41:43,287 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 767 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:43,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 783 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:41:43,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7392 states. [2022-10-16 02:41:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7392 to 7372. [2022-10-16 02:41:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7372 states, 7370 states have (on average 1.542740841248304) internal successors, (11370), 7371 states have internal predecessors, (11370), 0 states have call successors, (0), 0 states 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 02:41:43,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7372 states to 7372 states and 11370 transitions. [2022-10-16 02:41:43,531 INFO L78 Accepts]: Start accepts. Automaton has 7372 states and 11370 transitions. Word has length 69 [2022-10-16 02:41:43,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:43,531 INFO L495 AbstractCegarLoop]: Abstraction has 7372 states and 11370 transitions. [2022-10-16 02:41:43,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 7372 states and 11370 transitions. [2022-10-16 02:41:43,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 02:41:43,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:43,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:43,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 02:41:43,537 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:43,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:43,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1121612062, now seen corresponding path program 1 times [2022-10-16 02:41:43,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:43,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77895345] [2022-10-16 02:41:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:43,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:43,631 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 02:41:43,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:43,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77895345] [2022-10-16 02:41:43,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77895345] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:43,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:43,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:41:43,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065776601] [2022-10-16 02:41:43,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:43,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:41:43,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:43,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:41:43,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:41:43,640 INFO L87 Difference]: Start difference. First operand 7372 states and 11370 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:43,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:43,732 INFO L93 Difference]: Finished difference Result 13265 states and 20141 transitions. [2022-10-16 02:41:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:41:43,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 02:41:43,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:43,818 INFO L225 Difference]: With dead ends: 13265 [2022-10-16 02:41:43,819 INFO L226 Difference]: Without dead ends: 13265 [2022-10-16 02:41:43,819 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 02:41:43,820 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 114 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 393 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 02:41:43,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 393 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:43,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13265 states. [2022-10-16 02:41:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13265 to 13260. [2022-10-16 02:41:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13260 states, 13258 states have (on average 1.5189319656056721) internal successors, (20138), 13259 states have internal predecessors, (20138), 0 states have call successors, (0), 0 states 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 02:41:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13260 states to 13260 states and 20138 transitions. [2022-10-16 02:41:44,332 INFO L78 Accepts]: Start accepts. Automaton has 13260 states and 20138 transitions. Word has length 69 [2022-10-16 02:41:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:44,332 INFO L495 AbstractCegarLoop]: Abstraction has 13260 states and 20138 transitions. [2022-10-16 02:41:44,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 13260 states and 20138 transitions. [2022-10-16 02:41:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 02:41:44,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:44,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:44,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 02:41:44,339 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:44,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1170027667, now seen corresponding path program 1 times [2022-10-16 02:41:44,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:44,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496728779] [2022-10-16 02:41:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:44,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:44,836 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 02:41:44,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:44,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496728779] [2022-10-16 02:41:44,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496728779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:44,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:44,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 02:41:44,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530455922] [2022-10-16 02:41:44,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:44,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:41:44,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:44,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:41:44,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:41:44,840 INFO L87 Difference]: Start difference. First operand 13260 states and 20138 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:45,128 INFO L93 Difference]: Finished difference Result 27759 states and 41196 transitions. [2022-10-16 02:41:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 02:41:45,129 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 02:41:45,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:45,197 INFO L225 Difference]: With dead ends: 27759 [2022-10-16 02:41:45,197 INFO L226 Difference]: Without dead ends: 27759 [2022-10-16 02:41:45,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 02:41:45,199 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 921 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:45,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 799 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:45,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27759 states. [2022-10-16 02:41:45,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27759 to 14220. [2022-10-16 02:41:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14220 states, 14218 states have (on average 1.483893655929104) internal successors, (21098), 14219 states have internal predecessors, (21098), 0 states have call successors, (0), 0 states 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 02:41:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14220 states to 14220 states and 21098 transitions. [2022-10-16 02:41:45,699 INFO L78 Accepts]: Start accepts. Automaton has 14220 states and 21098 transitions. Word has length 70 [2022-10-16 02:41:45,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:45,699 INFO L495 AbstractCegarLoop]: Abstraction has 14220 states and 21098 transitions. [2022-10-16 02:41:45,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 14220 states and 21098 transitions. [2022-10-16 02:41:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 02:41:45,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:45,702 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] [2022-10-16 02:41:45,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 02:41:45,703 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:45,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:45,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1963697995, now seen corresponding path program 1 times [2022-10-16 02:41:45,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:45,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826833175] [2022-10-16 02:41:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:45,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:45,872 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 02:41:45,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:45,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826833175] [2022-10-16 02:41:45,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826833175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:45,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:41:45,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:41:45,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304805204] [2022-10-16 02:41:45,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:45,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:41:45,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:45,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:41:45,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:41:45,876 INFO L87 Difference]: Start difference. First operand 14220 states and 21098 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 02:41:46,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:46,008 INFO L93 Difference]: Finished difference Result 20194 states and 29822 transitions. [2022-10-16 02:41:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:41:46,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-16 02:41:46,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:46,049 INFO L225 Difference]: With dead ends: 20194 [2022-10-16 02:41:46,050 INFO L226 Difference]: Without dead ends: 20194 [2022-10-16 02:41:46,050 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 02:41:46,051 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 86 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:46,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 287 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:46,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20194 states. [2022-10-16 02:41:46,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20194 to 20189. [2022-10-16 02:41:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20189 states, 20187 states have (on average 1.4771387526626047) internal successors, (29819), 20188 states have internal predecessors, (29819), 0 states have call successors, (0), 0 states 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 02:41:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20189 states to 20189 states and 29819 transitions. [2022-10-16 02:41:46,506 INFO L78 Accepts]: Start accepts. Automaton has 20189 states and 29819 transitions. Word has length 71 [2022-10-16 02:41:46,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:46,506 INFO L495 AbstractCegarLoop]: Abstraction has 20189 states and 29819 transitions. [2022-10-16 02:41:46,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 02:41:46,507 INFO L276 IsEmpty]: Start isEmpty. Operand 20189 states and 29819 transitions. [2022-10-16 02:41:46,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 02:41:46,508 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:46,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:46,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 02:41:46,509 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:46,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:46,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1655360606, now seen corresponding path program 1 times [2022-10-16 02:41:46,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:46,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154201391] [2022-10-16 02:41:46,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:46,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:41:46,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:46,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154201391] [2022-10-16 02:41:46,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154201391] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:41:46,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162880317] [2022-10-16 02:41:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:46,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:41:46,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:41:46,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:41:46,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 02:41:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:46,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 02:41:46,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:41:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 02:41:47,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:41:47,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162880317] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:41:47,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:41:47,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 02:41:47,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851394520] [2022-10-16 02:41:47,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:41:47,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:41:47,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:47,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:41:47,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:41:47,059 INFO L87 Difference]: Start difference. First operand 20189 states and 29819 transitions. Second operand has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:47,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:47,123 INFO L93 Difference]: Finished difference Result 20188 states and 29818 transitions. [2022-10-16 02:41:47,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:41:47,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 02:41:47,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:47,170 INFO L225 Difference]: With dead ends: 20188 [2022-10-16 02:41:47,170 INFO L226 Difference]: Without dead ends: 20186 [2022-10-16 02:41:47,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:41:47,173 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:47,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:41:47,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20186 states. [2022-10-16 02:41:47,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20186 to 20186. [2022-10-16 02:41:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20186 states, 20185 states have (on average 1.4541986623730494) internal successors, (29353), 20185 states have internal predecessors, (29353), 0 states have call successors, (0), 0 states 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 02:41:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20186 states to 20186 states and 29353 transitions. [2022-10-16 02:41:47,642 INFO L78 Accepts]: Start accepts. Automaton has 20186 states and 29353 transitions. Word has length 73 [2022-10-16 02:41:47,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:47,643 INFO L495 AbstractCegarLoop]: Abstraction has 20186 states and 29353 transitions. [2022-10-16 02:41:47,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:41:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 20186 states and 29353 transitions. [2022-10-16 02:41:47,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 02:41:47,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:47,658 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:47,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 02:41:47,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 02:41:47,873 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash 399762008, now seen corresponding path program 1 times [2022-10-16 02:41:47,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:47,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932784607] [2022-10-16 02:41:47,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:47,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:41:48,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:41:48,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932784607] [2022-10-16 02:41:48,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932784607] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:41:48,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072723500] [2022-10-16 02:41:48,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:48,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:41:48,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:41:48,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:41:48,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 02:41:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:41:48,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 02:41:48,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:41:48,725 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:41:48,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:41:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:41:49,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072723500] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:41:49,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:41:49,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 4] total 16 [2022-10-16 02:41:49,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412695776] [2022-10-16 02:41:49,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:41:49,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 02:41:49,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:41:49,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 02:41:49,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-10-16 02:41:49,203 INFO L87 Difference]: Start difference. First operand 20186 states and 29353 transitions. Second operand has 16 states, 16 states have (on average 17.5) internal successors, (280), 16 states have internal predecessors, (280), 0 states have call successors, (0), 0 states 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 02:41:55,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:41:55,268 INFO L93 Difference]: Finished difference Result 202927 states and 291091 transitions. [2022-10-16 02:41:55,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-10-16 02:41:55,269 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 17.5) internal successors, (280), 16 states have internal predecessors, (280), 0 states have call successors, (0), 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 98 [2022-10-16 02:41:55,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:41:56,278 INFO L225 Difference]: With dead ends: 202927 [2022-10-16 02:41:56,279 INFO L226 Difference]: Without dead ends: 202927 [2022-10-16 02:41:56,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4257 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=2165, Invalid=8547, Unknown=0, NotChecked=0, Total=10712 [2022-10-16 02:41:56,283 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 6540 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6540 SdHoareTripleChecker+Valid, 3863 SdHoareTripleChecker+Invalid, 2812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 02:41:56,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6540 Valid, 3863 Invalid, 2812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 2633 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 02:41:56,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202927 states. [2022-10-16 02:41:59,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202927 to 108194. [2022-10-16 02:41:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108194 states, 108193 states have (on average 1.4453892580850887) internal successors, (156381), 108193 states have internal predecessors, (156381), 0 states have call successors, (0), 0 states 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 02:41:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108194 states to 108194 states and 156381 transitions. [2022-10-16 02:41:59,709 INFO L78 Accepts]: Start accepts. Automaton has 108194 states and 156381 transitions. Word has length 98 [2022-10-16 02:41:59,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:41:59,710 INFO L495 AbstractCegarLoop]: Abstraction has 108194 states and 156381 transitions. [2022-10-16 02:41:59,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 17.5) internal successors, (280), 16 states have internal predecessors, (280), 0 states have call successors, (0), 0 states 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 02:41:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 108194 states and 156381 transitions. [2022-10-16 02:41:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 02:41:59,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:41:59,730 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:41:59,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 02:41:59,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 02:41:59,946 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:41:59,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:41:59,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1823116810, now seen corresponding path program 1 times [2022-10-16 02:41:59,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:41:59,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232171726] [2022-10-16 02:41:59,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:41:59,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:41:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:00,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:00,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232171726] [2022-10-16 02:42:00,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232171726] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:00,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:00,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:00,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133402352] [2022-10-16 02:42:00,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:00,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:00,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:00,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:00,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:00,334 INFO L87 Difference]: Start difference. First operand 108194 states and 156381 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:42:01,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:01,048 INFO L93 Difference]: Finished difference Result 161789 states and 231045 transitions. [2022-10-16 02:42:01,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:01,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 02:42:01,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:01,355 INFO L225 Difference]: With dead ends: 161789 [2022-10-16 02:42:01,355 INFO L226 Difference]: Without dead ends: 161789 [2022-10-16 02:42:01,358 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 02:42:01,360 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 83 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:01,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 332 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:01,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161789 states. [2022-10-16 02:42:03,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161789 to 154639. [2022-10-16 02:42:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154639 states, 154638 states have (on average 1.4312135438896003) internal successors, (221320), 154638 states have internal predecessors, (221320), 0 states have call successors, (0), 0 states 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 02:42:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154639 states to 154639 states and 221320 transitions. [2022-10-16 02:42:05,113 INFO L78 Accepts]: Start accepts. Automaton has 154639 states and 221320 transitions. Word has length 99 [2022-10-16 02:42:05,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:05,114 INFO L495 AbstractCegarLoop]: Abstraction has 154639 states and 221320 transitions. [2022-10-16 02:42:05,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:42:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 154639 states and 221320 transitions. [2022-10-16 02:42:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 02:42:05,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:05,190 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:05,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 02:42:05,191 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:05,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:05,198 INFO L85 PathProgramCache]: Analyzing trace with hash -925026652, now seen corresponding path program 1 times [2022-10-16 02:42:05,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:05,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154683282] [2022-10-16 02:42:05,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 02:42:05,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:05,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154683282] [2022-10-16 02:42:05,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154683282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:05,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:05,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 02:42:05,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106136146] [2022-10-16 02:42:05,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:05,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 02:42:05,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:05,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 02:42:05,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:42:05,463 INFO L87 Difference]: Start difference. First operand 154639 states and 221320 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:07,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:07,647 INFO L93 Difference]: Finished difference Result 343469 states and 492217 transitions. [2022-10-16 02:42:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 02:42:07,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 02:42:07,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:08,342 INFO L225 Difference]: With dead ends: 343469 [2022-10-16 02:42:08,343 INFO L226 Difference]: Without dead ends: 343469 [2022-10-16 02:42:08,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:42:08,344 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1213 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:08,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 1251 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:42:08,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343469 states. [2022-10-16 02:42:12,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343469 to 221023. [2022-10-16 02:42:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221023 states, 221022 states have (on average 1.4290342137886727) internal successors, (315848), 221022 states have internal predecessors, (315848), 0 states have call successors, (0), 0 states 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 02:42:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221023 states to 221023 states and 315848 transitions. [2022-10-16 02:42:14,195 INFO L78 Accepts]: Start accepts. Automaton has 221023 states and 315848 transitions. Word has length 99 [2022-10-16 02:42:14,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:14,199 INFO L495 AbstractCegarLoop]: Abstraction has 221023 states and 315848 transitions. [2022-10-16 02:42:14,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 221023 states and 315848 transitions. [2022-10-16 02:42:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 02:42:14,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:14,260 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:14,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 02:42:14,261 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:14,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:14,262 INFO L85 PathProgramCache]: Analyzing trace with hash -2000209836, now seen corresponding path program 1 times [2022-10-16 02:42:14,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:14,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36735168] [2022-10-16 02:42:14,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:14,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:14,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:14,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36735168] [2022-10-16 02:42:14,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36735168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:14,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:14,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:14,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258208161] [2022-10-16 02:42:14,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:14,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:14,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:14,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:14,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,402 INFO L87 Difference]: Start difference. First operand 221023 states and 315848 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:42:15,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:15,597 INFO L93 Difference]: Finished difference Result 259435 states and 364871 transitions. [2022-10-16 02:42:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:15,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 02:42:15,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:16,004 INFO L225 Difference]: With dead ends: 259435 [2022-10-16 02:42:16,004 INFO L226 Difference]: Without dead ends: 226117 [2022-10-16 02:42:16,005 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 02:42:16,005 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 85 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:16,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 358 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:16,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226117 states. [2022-10-16 02:42:19,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226117 to 221167. [2022-10-16 02:42:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221167 states, 221166 states have (on average 1.4085392872322147) internal successors, (311521), 221166 states have internal predecessors, (311521), 0 states have call successors, (0), 0 states 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 02:42:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221167 states to 221167 states and 311521 transitions. [2022-10-16 02:42:20,811 INFO L78 Accepts]: Start accepts. Automaton has 221167 states and 311521 transitions. Word has length 99 [2022-10-16 02:42:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:20,812 INFO L495 AbstractCegarLoop]: Abstraction has 221167 states and 311521 transitions. [2022-10-16 02:42:20,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:42:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 221167 states and 311521 transitions. [2022-10-16 02:42:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 02:42:20,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:20,839 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:20,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 02:42:20,839 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:20,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:20,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1867411396, now seen corresponding path program 1 times [2022-10-16 02:42:20,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:20,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495642575] [2022-10-16 02:42:20,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:20,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:20,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:20,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495642575] [2022-10-16 02:42:20,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495642575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:20,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:20,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:20,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689256070] [2022-10-16 02:42:20,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:20,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:20,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:20,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:20,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:20,939 INFO L87 Difference]: Start difference. First operand 221167 states and 311521 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:42:22,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:22,636 INFO L93 Difference]: Finished difference Result 309883 states and 430724 transitions. [2022-10-16 02:42:22,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:22,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 02:42:22,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:23,157 INFO L225 Difference]: With dead ends: 309883 [2022-10-16 02:42:23,157 INFO L226 Difference]: Without dead ends: 299582 [2022-10-16 02:42:23,158 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 02:42:23,158 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 84 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:23,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 345 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:23,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299582 states. [2022-10-16 02:42:27,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299582 to 290322. [2022-10-16 02:42:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290322 states, 290321 states have (on average 1.391194574281571) internal successors, (403893), 290321 states have internal predecessors, (403893), 0 states have call successors, (0), 0 states 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 02:42:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290322 states to 290322 states and 403893 transitions. [2022-10-16 02:42:29,873 INFO L78 Accepts]: Start accepts. Automaton has 290322 states and 403893 transitions. Word has length 99 [2022-10-16 02:42:29,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:29,873 INFO L495 AbstractCegarLoop]: Abstraction has 290322 states and 403893 transitions. [2022-10-16 02:42:29,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:42:29,874 INFO L276 IsEmpty]: Start isEmpty. Operand 290322 states and 403893 transitions. [2022-10-16 02:42:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 02:42:29,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:29,903 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:29,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 02:42:29,903 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:29,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash -245021190, now seen corresponding path program 1 times [2022-10-16 02:42:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:29,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114896837] [2022-10-16 02:42:29,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:29,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:29,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:29,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114896837] [2022-10-16 02:42:29,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114896837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:29,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:29,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:29,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052887667] [2022-10-16 02:42:29,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:29,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:29,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:29,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:29,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:29,985 INFO L87 Difference]: Start difference. First operand 290322 states and 403893 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:42:33,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:33,441 INFO L93 Difference]: Finished difference Result 550546 states and 756717 transitions. [2022-10-16 02:42:33,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:33,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 02:42:33,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:34,548 INFO L225 Difference]: With dead ends: 550546 [2022-10-16 02:42:34,548 INFO L226 Difference]: Without dead ends: 549981 [2022-10-16 02:42:34,549 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 02:42:34,549 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 81 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:34,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 316 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:34,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549981 states. [2022-10-16 02:42:46,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549981 to 549710. [2022-10-16 02:42:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549710 states, 549709 states have (on average 1.3742507399369484) internal successors, (755438), 549709 states have internal predecessors, (755438), 0 states have call successors, (0), 0 states 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 02:42:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549710 states to 549710 states and 755438 transitions. [2022-10-16 02:42:49,832 INFO L78 Accepts]: Start accepts. Automaton has 549710 states and 755438 transitions. Word has length 99 [2022-10-16 02:42:49,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:49,833 INFO L495 AbstractCegarLoop]: Abstraction has 549710 states and 755438 transitions. [2022-10-16 02:42:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:42:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 549710 states and 755438 transitions. [2022-10-16 02:42:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 02:42:49,869 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:49,869 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:49,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 02:42:49,869 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:49,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:49,870 INFO L85 PathProgramCache]: Analyzing trace with hash -173536388, now seen corresponding path program 1 times [2022-10-16 02:42:49,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:49,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557920080] [2022-10-16 02:42:49,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:49,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 02:42:50,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:50,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557920080] [2022-10-16 02:42:50,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557920080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:50,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:50,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 02:42:50,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952917723] [2022-10-16 02:42:50,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:50,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 02:42:50,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:50,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 02:42:50,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:42:50,037 INFO L87 Difference]: Start difference. First operand 549710 states and 755438 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 02:42:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:55,750 INFO L93 Difference]: Finished difference Result 1066741 states and 1476177 transitions. [2022-10-16 02:42:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 02:42:55,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 99 [2022-10-16 02:42:55,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:58,593 INFO L225 Difference]: With dead ends: 1066741 [2022-10-16 02:42:58,594 INFO L226 Difference]: Without dead ends: 1066741 [2022-10-16 02:42:58,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:42:58,595 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1140 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:58,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 1173 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:42:59,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066741 states. [2022-10-16 02:43:11,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066741 to 637382. [2022-10-16 02:43:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637382 states, 637381 states have (on average 1.3750990380949542) internal successors, (876462), 637381 states have internal predecessors, (876462), 0 states have call successors, (0), 0 states 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 02:43:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637382 states to 637382 states and 876462 transitions. [2022-10-16 02:43:19,158 INFO L78 Accepts]: Start accepts. Automaton has 637382 states and 876462 transitions. Word has length 99 [2022-10-16 02:43:19,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:43:19,158 INFO L495 AbstractCegarLoop]: Abstraction has 637382 states and 876462 transitions. [2022-10-16 02:43:19,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 02:43:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 637382 states and 876462 transitions. [2022-10-16 02:43:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 02:43:19,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:43:19,210 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:43:19,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 02:43:19,211 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:43:19,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:43:19,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1655579334, now seen corresponding path program 1 times [2022-10-16 02:43:19,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:43:19,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921240329] [2022-10-16 02:43:19,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:43:19,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:43:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:43:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 02:43:19,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:43:19,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921240329] [2022-10-16 02:43:19,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921240329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:43:19,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:43:19,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 02:43:19,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968560120] [2022-10-16 02:43:19,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:43:19,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 02:43:19,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:43:19,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 02:43:19,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:43:19,598 INFO L87 Difference]: Start difference. First operand 637382 states and 876462 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 02:43:26,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:43:26,794 INFO L93 Difference]: Finished difference Result 1152253 states and 1593311 transitions. [2022-10-16 02:43:26,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 02:43:26,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 99 [2022-10-16 02:43:26,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:43:30,796 INFO L225 Difference]: With dead ends: 1152253 [2022-10-16 02:43:30,796 INFO L226 Difference]: Without dead ends: 1152242 [2022-10-16 02:43:30,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:43:30,801 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 1022 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:43:30,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 1247 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:43:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152242 states. [2022-10-16 02:43:49,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152242 to 768638. [2022-10-16 02:43:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768638 states, 768637 states have (on average 1.3753358217207863) internal successors, (1057134), 768637 states have internal predecessors, (1057134), 0 states have call successors, (0), 0 states 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 02:43:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768638 states to 768638 states and 1057134 transitions. [2022-10-16 02:43:59,167 INFO L78 Accepts]: Start accepts. Automaton has 768638 states and 1057134 transitions. Word has length 99 [2022-10-16 02:43:59,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:43:59,168 INFO L495 AbstractCegarLoop]: Abstraction has 768638 states and 1057134 transitions. [2022-10-16 02:43:59,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 02:43:59,168 INFO L276 IsEmpty]: Start isEmpty. Operand 768638 states and 1057134 transitions. [2022-10-16 02:43:59,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 02:43:59,306 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:43:59,309 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:43:59,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 02:43:59,309 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:43:59,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:43:59,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1881072996, now seen corresponding path program 1 times [2022-10-16 02:43:59,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:43:59,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700265513] [2022-10-16 02:43:59,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:43:59,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:43:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:43:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 02:43:59,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:43:59,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700265513] [2022-10-16 02:43:59,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700265513] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:43:59,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:43:59,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 02:43:59,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455120303] [2022-10-16 02:43:59,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:43:59,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 02:43:59,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:43:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 02:43:59,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:43:59,636 INFO L87 Difference]: Start difference. First operand 768638 states and 1057134 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states 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 02:44:06,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:44:06,734 INFO L93 Difference]: Finished difference Result 1282350 states and 1771882 transitions. [2022-10-16 02:44:06,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 02:44:06,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 99 [2022-10-16 02:44:06,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:44:10,634 INFO L225 Difference]: With dead ends: 1282350 [2022-10-16 02:44:10,634 INFO L226 Difference]: Without dead ends: 1282088 [2022-10-16 02:44:10,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:44:10,649 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 1068 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:44:10,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 1293 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:44:12,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282088 states.