/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 03:16:33,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 03:16:33,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 03:16:33,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 03:16:33,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 03:16:33,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 03:16:33,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 03:16:33,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 03:16:33,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 03:16:33,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 03:16:33,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 03:16:33,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 03:16:33,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 03:16:33,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 03:16:33,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 03:16:33,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 03:16:33,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 03:16:33,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 03:16:33,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 03:16:33,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 03:16:33,843 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 03:16:33,904 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 03:16:33,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 03:16:33,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 03:16:33,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 03:16:33,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 03:16:33,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 03:16:33,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 03:16:33,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 03:16:33,913 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 03:16:33,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 03:16:33,914 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 03:16:33,914 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 03:16:33,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 03:16:33,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 03:16:33,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 03:16:33,915 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 03:16:33,915 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 03:16:33,915 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 03:16:33,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 03:16:33,916 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 03:16:33,916 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 03:16:33,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 03:16:33,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 03:16:33,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 03:16:33,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 03:16:33,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:16:33,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 03:16:33,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 03:16:33,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 03:16:33,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 03:16:33,918 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 03:16:34,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 03:16:34,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 03:16:34,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 03:16:34,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 03:16:34,357 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 03:16:34,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 03:16:34,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a367ee7/ec33d4504a44463e994fd04a73c1c2b1/FLAGbb84f04d2 [2022-10-16 03:16:35,326 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 03:16:35,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 03:16:35,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a367ee7/ec33d4504a44463e994fd04a73c1c2b1/FLAGbb84f04d2 [2022-10-16 03:16:35,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a367ee7/ec33d4504a44463e994fd04a73c1c2b1 [2022-10-16 03:16:35,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 03:16:35,498 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 03:16:35,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 03:16:35,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 03:16:35,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 03:16:35,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:35" (1/1) ... [2022-10-16 03:16:35,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3603acff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:35, skipping insertion in model container [2022-10-16 03:16:35,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:35" (1/1) ... [2022-10-16 03:16:35,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 03:16:35,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 03:16:36,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[24514,24527] [2022-10-16 03:16:36,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:16:36,362 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 03:16:36,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[24514,24527] [2022-10-16 03:16:36,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 03:16:36,911 INFO L208 MainTranslator]: Completed translation [2022-10-16 03:16:36,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36 WrapperNode [2022-10-16 03:16:36,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 03:16:36,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 03:16:36,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 03:16:36,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 03:16:36,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:36,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,087 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2210 [2022-10-16 03:16:37,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 03:16:37,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 03:16:37,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 03:16:37,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 03:16:37,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 03:16:37,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 03:16:37,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 03:16:37,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 03:16:37,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (1/1) ... [2022-10-16 03:16:37,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 03:16:37,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 03:16:37,245 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 03:16:37,267 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 03:16:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 03:16:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 03:16:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 03:16:37,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 03:16:37,501 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 03:16:37,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 03:16:39,402 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 03:16:39,420 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 03:16:39,420 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 03:16:39,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:39 BoogieIcfgContainer [2022-10-16 03:16:39,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 03:16:39,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 03:16:39,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 03:16:39,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 03:16:39,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:16:35" (1/3) ... [2022-10-16 03:16:39,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5833d9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:39, skipping insertion in model container [2022-10-16 03:16:39,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:36" (2/3) ... [2022-10-16 03:16:39,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5833d9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:39, skipping insertion in model container [2022-10-16 03:16:39,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:39" (3/3) ... [2022-10-16 03:16:39,436 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2022-10-16 03:16:39,460 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 03:16:39,460 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 03:16:39,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 03:16:39,545 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;@399d5586, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 03:16:39,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 03:16:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 582 states, 579 states have (on average 1.7927461139896372) internal successors, (1038), 581 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states 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 03:16:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 03:16:39,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:39,569 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] [2022-10-16 03:16:39,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:39,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:39,578 INFO L85 PathProgramCache]: Analyzing trace with hash -486230379, now seen corresponding path program 1 times [2022-10-16 03:16:39,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:39,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108409414] [2022-10-16 03:16:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:39,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:40,179 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 03:16:40,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:40,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108409414] [2022-10-16 03:16:40,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108409414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:40,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:40,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 03:16:40,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587460329] [2022-10-16 03:16:40,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:40,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:16:40,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:40,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:16:40,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:40,251 INFO L87 Difference]: Start difference. First operand has 582 states, 579 states have (on average 1.7927461139896372) internal successors, (1038), 581 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 03:16:40,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:40,351 INFO L93 Difference]: Finished difference Result 581 states and 1036 transitions. [2022-10-16 03:16:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:16:40,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 03:16:40,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:40,391 INFO L225 Difference]: With dead ends: 581 [2022-10-16 03:16:40,391 INFO L226 Difference]: Without dead ends: 578 [2022-10-16 03:16:40,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:40,399 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 985 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:40,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 1035 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:16:40,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-10-16 03:16:40,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2022-10-16 03:16:40,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 577 states have (on average 1.5753899480069324) internal successors, (909), 577 states have internal predecessors, (909), 0 states have call successors, (0), 0 states 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 03:16:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 909 transitions. [2022-10-16 03:16:40,494 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 909 transitions. Word has length 52 [2022-10-16 03:16:40,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:40,495 INFO L495 AbstractCegarLoop]: Abstraction has 578 states and 909 transitions. [2022-10-16 03:16:40,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 03:16:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 909 transitions. [2022-10-16 03:16:40,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-16 03:16:40,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:40,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:40,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 03:16:40,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:40,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:40,514 INFO L85 PathProgramCache]: Analyzing trace with hash 912319734, now seen corresponding path program 1 times [2022-10-16 03:16:40,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:40,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225793571] [2022-10-16 03:16:40,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:40,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:16:41,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:41,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225793571] [2022-10-16 03:16:41,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225793571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:41,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:41,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:16:41,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158392191] [2022-10-16 03:16:41,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:41,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:16:41,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:41,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:16:41,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:41,152 INFO L87 Difference]: Start difference. First operand 578 states and 909 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 03:16:41,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:41,324 INFO L93 Difference]: Finished difference Result 878 states and 1380 transitions. [2022-10-16 03:16:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:16:41,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-10-16 03:16:41,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:41,338 INFO L225 Difference]: With dead ends: 878 [2022-10-16 03:16:41,339 INFO L226 Difference]: Without dead ends: 878 [2022-10-16 03:16:41,339 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 03:16:41,341 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 476 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:41,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1583 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:41,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2022-10-16 03:16:41,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 876. [2022-10-16 03:16:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 875 states have (on average 1.576) internal successors, (1379), 875 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states 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 03:16:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1379 transitions. [2022-10-16 03:16:41,407 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1379 transitions. Word has length 234 [2022-10-16 03:16:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:41,414 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1379 transitions. [2022-10-16 03:16:41,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 03:16:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1379 transitions. [2022-10-16 03:16:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-16 03:16:41,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:41,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:41,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 03:16:41,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:41,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:41,433 INFO L85 PathProgramCache]: Analyzing trace with hash -70671080, now seen corresponding path program 1 times [2022-10-16 03:16:41,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:41,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173809034] [2022-10-16 03:16:41,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:41,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:42,741 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 03:16:42,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:42,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173809034] [2022-10-16 03:16:42,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173809034] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:42,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:42,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:16:42,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923469054] [2022-10-16 03:16:42,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:42,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:16:42,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:42,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:16:42,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:16:42,757 INFO L87 Difference]: Start difference. First operand 876 states and 1379 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 03:16:42,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:42,942 INFO L93 Difference]: Finished difference Result 1717 states and 2683 transitions. [2022-10-16 03:16:42,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:16:42,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-10-16 03:16:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:42,954 INFO L225 Difference]: With dead ends: 1717 [2022-10-16 03:16:42,955 INFO L226 Difference]: Without dead ends: 1717 [2022-10-16 03:16:42,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:16:42,957 INFO L413 NwaCegarLoop]: 1444 mSDtfsCounter, 1985 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:42,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 2297 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:42,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-10-16 03:16:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1715. [2022-10-16 03:16:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1714 states have (on average 1.5647607934655776) internal successors, (2682), 1714 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states 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 03:16:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2682 transitions. [2022-10-16 03:16:43,025 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2682 transitions. Word has length 234 [2022-10-16 03:16:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:43,026 INFO L495 AbstractCegarLoop]: Abstraction has 1715 states and 2682 transitions. [2022-10-16 03:16:43,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 03:16:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2682 transitions. [2022-10-16 03:16:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-10-16 03:16:43,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:43,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:43,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 03:16:43,033 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:43,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:43,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1281083139, now seen corresponding path program 1 times [2022-10-16 03:16:43,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:43,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333604417] [2022-10-16 03:16:43,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:43,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:43,318 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 03:16:43,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:43,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333604417] [2022-10-16 03:16:43,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333604417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:43,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:43,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:16:43,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991958812] [2022-10-16 03:16:43,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:43,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:16:43,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:43,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:16:43,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:43,326 INFO L87 Difference]: Start difference. First operand 1715 states and 2682 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states 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 03:16:43,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:43,433 INFO L93 Difference]: Finished difference Result 3368 states and 5236 transitions. [2022-10-16 03:16:43,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:16:43,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 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 236 [2022-10-16 03:16:43,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:43,457 INFO L225 Difference]: With dead ends: 3368 [2022-10-16 03:16:43,457 INFO L226 Difference]: Without dead ends: 3368 [2022-10-16 03:16:43,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:43,470 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 774 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 2565 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:43,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 2565 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:43,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2022-10-16 03:16:43,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3366. [2022-10-16 03:16:43,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 3365 states have (on average 1.5557206537890045) internal successors, (5235), 3365 states have internal predecessors, (5235), 0 states have call successors, (0), 0 states 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 03:16:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 5235 transitions. [2022-10-16 03:16:43,605 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 5235 transitions. Word has length 236 [2022-10-16 03:16:43,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:43,606 INFO L495 AbstractCegarLoop]: Abstraction has 3366 states and 5235 transitions. [2022-10-16 03:16:43,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states 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 03:16:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 5235 transitions. [2022-10-16 03:16:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-10-16 03:16:43,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:43,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:43,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 03:16:43,617 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:43,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:43,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1522783160, now seen corresponding path program 1 times [2022-10-16 03:16:43,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:43,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160025982] [2022-10-16 03:16:43,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:43,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:43,812 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 03:16:43,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:43,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160025982] [2022-10-16 03:16:43,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160025982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:43,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:43,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:16:43,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9726859] [2022-10-16 03:16:43,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:43,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:16:43,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:43,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:16:43,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:43,815 INFO L87 Difference]: Start difference. First operand 3366 states and 5235 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states 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 03:16:43,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:43,892 INFO L93 Difference]: Finished difference Result 6703 states and 10414 transitions. [2022-10-16 03:16:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:16:43,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 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 236 [2022-10-16 03:16:43,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:43,936 INFO L225 Difference]: With dead ends: 6703 [2022-10-16 03:16:43,936 INFO L226 Difference]: Without dead ends: 6703 [2022-10-16 03:16:43,936 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 03:16:43,945 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 893 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 2686 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 03:16:43,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 2686 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:16:43,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6703 states. [2022-10-16 03:16:44,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 3385. [2022-10-16 03:16:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3385 states, 3384 states have (on average 1.5552600472813238) internal successors, (5263), 3384 states have internal predecessors, (5263), 0 states have call successors, (0), 0 states 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 03:16:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 3385 states and 5263 transitions. [2022-10-16 03:16:44,130 INFO L78 Accepts]: Start accepts. Automaton has 3385 states and 5263 transitions. Word has length 236 [2022-10-16 03:16:44,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:44,131 INFO L495 AbstractCegarLoop]: Abstraction has 3385 states and 5263 transitions. [2022-10-16 03:16:44,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states 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 03:16:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3385 states and 5263 transitions. [2022-10-16 03:16:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-10-16 03:16:44,141 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:44,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:44,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 03:16:44,142 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:44,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1023572120, now seen corresponding path program 1 times [2022-10-16 03:16:44,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:44,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539913304] [2022-10-16 03:16:44,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:44,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:44,432 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 03:16:44,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:44,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539913304] [2022-10-16 03:16:44,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539913304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:44,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:44,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:16:44,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604413386] [2022-10-16 03:16:44,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:44,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:16:44,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:44,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:16:44,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:44,437 INFO L87 Difference]: Start difference. First operand 3385 states and 5263 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states 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 03:16:44,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:44,546 INFO L93 Difference]: Finished difference Result 6721 states and 10435 transitions. [2022-10-16 03:16:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:16:44,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 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 237 [2022-10-16 03:16:44,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:44,596 INFO L225 Difference]: With dead ends: 6721 [2022-10-16 03:16:44,597 INFO L226 Difference]: Without dead ends: 6721 [2022-10-16 03:16:44,597 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 03:16:44,601 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 888 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 2686 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 03:16:44,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 2686 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:16:44,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6721 states. [2022-10-16 03:16:44,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6721 to 3403. [2022-10-16 03:16:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3403 states, 3402 states have (on average 1.5532039976484422) internal successors, (5284), 3402 states have internal predecessors, (5284), 0 states have call successors, (0), 0 states 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 03:16:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 3403 states and 5284 transitions. [2022-10-16 03:16:44,784 INFO L78 Accepts]: Start accepts. Automaton has 3403 states and 5284 transitions. Word has length 237 [2022-10-16 03:16:44,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:44,784 INFO L495 AbstractCegarLoop]: Abstraction has 3403 states and 5284 transitions. [2022-10-16 03:16:44,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states 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 03:16:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 3403 states and 5284 transitions. [2022-10-16 03:16:44,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-10-16 03:16:44,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:44,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:44,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 03:16:44,794 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:44,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:44,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1450350274, now seen corresponding path program 1 times [2022-10-16 03:16:44,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:44,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839973611] [2022-10-16 03:16:44,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:44,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:45,119 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 03:16:45,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:45,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839973611] [2022-10-16 03:16:45,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839973611] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:45,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:45,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:16:45,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738576166] [2022-10-16 03:16:45,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:45,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:16:45,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:16:45,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:45,122 INFO L87 Difference]: Start difference. First operand 3403 states and 5284 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 03:16:45,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:45,243 INFO L93 Difference]: Finished difference Result 6588 states and 10153 transitions. [2022-10-16 03:16:45,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:16:45,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 238 [2022-10-16 03:16:45,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:45,294 INFO L225 Difference]: With dead ends: 6588 [2022-10-16 03:16:45,294 INFO L226 Difference]: Without dead ends: 6588 [2022-10-16 03:16:45,295 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 03:16:45,297 INFO L413 NwaCegarLoop]: 1764 mSDtfsCounter, 767 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 2627 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:45,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 2627 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:45,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6588 states. [2022-10-16 03:16:45,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6588 to 6586. [2022-10-16 03:16:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6586 states, 6585 states have (on average 1.5416856492027335) internal successors, (10152), 6585 states have internal predecessors, (10152), 0 states have call successors, (0), 0 states 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 03:16:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6586 states to 6586 states and 10152 transitions. [2022-10-16 03:16:45,503 INFO L78 Accepts]: Start accepts. Automaton has 6586 states and 10152 transitions. Word has length 238 [2022-10-16 03:16:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:45,504 INFO L495 AbstractCegarLoop]: Abstraction has 6586 states and 10152 transitions. [2022-10-16 03:16:45,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 03:16:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6586 states and 10152 transitions. [2022-10-16 03:16:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-10-16 03:16:45,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:45,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:45,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 03:16:45,521 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:45,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:45,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2126707749, now seen corresponding path program 1 times [2022-10-16 03:16:45,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:45,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242406426] [2022-10-16 03:16:45,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:45,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 03:16:46,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:46,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242406426] [2022-10-16 03:16:46,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242406426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:46,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:46,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:16:46,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075319144] [2022-10-16 03:16:46,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:46,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:16:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:46,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:16:46,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:16:46,416 INFO L87 Difference]: Start difference. First operand 6586 states and 10152 transitions. Second operand has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 03:16:46,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:46,618 INFO L93 Difference]: Finished difference Result 12697 states and 19394 transitions. [2022-10-16 03:16:46,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:16:46,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 0 states have call successors, (0), 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 238 [2022-10-16 03:16:46,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:46,652 INFO L225 Difference]: With dead ends: 12697 [2022-10-16 03:16:46,652 INFO L226 Difference]: Without dead ends: 12697 [2022-10-16 03:16:46,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:16:46,654 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 2073 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 3147 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:46,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 3147 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12697 states. [2022-10-16 03:16:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12697 to 12695. [2022-10-16 03:16:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12695 states, 12694 states have (on average 1.5277296360485269) internal successors, (19393), 12694 states have internal predecessors, (19393), 0 states have call successors, (0), 0 states 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 03:16:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12695 states to 12695 states and 19393 transitions. [2022-10-16 03:16:47,100 INFO L78 Accepts]: Start accepts. Automaton has 12695 states and 19393 transitions. Word has length 238 [2022-10-16 03:16:47,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:47,100 INFO L495 AbstractCegarLoop]: Abstraction has 12695 states and 19393 transitions. [2022-10-16 03:16:47,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 03:16:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 12695 states and 19393 transitions. [2022-10-16 03:16:47,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-10-16 03:16:47,124 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:47,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:47,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 03:16:47,125 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:47,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:47,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1275872807, now seen corresponding path program 1 times [2022-10-16 03:16:47,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:47,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927361177] [2022-10-16 03:16:47,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:48,040 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 03:16:48,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:48,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927361177] [2022-10-16 03:16:48,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927361177] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:48,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:48,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:16:48,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055334703] [2022-10-16 03:16:48,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:48,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:16:48,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:48,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:16:48,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:16:48,044 INFO L87 Difference]: Start difference. First operand 12695 states and 19393 transitions. Second operand has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 03:16:48,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:48,356 INFO L93 Difference]: Finished difference Result 24716 states and 37453 transitions. [2022-10-16 03:16:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:16:48,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 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 240 [2022-10-16 03:16:48,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:48,410 INFO L225 Difference]: With dead ends: 24716 [2022-10-16 03:16:48,410 INFO L226 Difference]: Without dead ends: 24716 [2022-10-16 03:16:48,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:16:48,413 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 2514 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:48,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 2289 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:48,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24716 states. [2022-10-16 03:16:49,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24716 to 24714. [2022-10-16 03:16:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24714 states, 24713 states have (on average 1.5154776838101405) internal successors, (37452), 24713 states have internal predecessors, (37452), 0 states have call successors, (0), 0 states 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 03:16:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24714 states to 24714 states and 37452 transitions. [2022-10-16 03:16:49,275 INFO L78 Accepts]: Start accepts. Automaton has 24714 states and 37452 transitions. Word has length 240 [2022-10-16 03:16:49,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:49,275 INFO L495 AbstractCegarLoop]: Abstraction has 24714 states and 37452 transitions. [2022-10-16 03:16:49,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 03:16:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 24714 states and 37452 transitions. [2022-10-16 03:16:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-10-16 03:16:49,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:49,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:49,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 03:16:49,327 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:49,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1140695391, now seen corresponding path program 1 times [2022-10-16 03:16:49,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:49,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274467785] [2022-10-16 03:16:49,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:49,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:50,303 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 03:16:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:50,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274467785] [2022-10-16 03:16:50,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274467785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:50,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:50,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:16:50,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827837759] [2022-10-16 03:16:50,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:50,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:16:50,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:50,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:16:50,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:16:50,307 INFO L87 Difference]: Start difference. First operand 24714 states and 37452 transitions. Second operand has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 03:16:50,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:50,620 INFO L93 Difference]: Finished difference Result 48296 states and 72601 transitions. [2022-10-16 03:16:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:16:50,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 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 240 [2022-10-16 03:16:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:50,744 INFO L225 Difference]: With dead ends: 48296 [2022-10-16 03:16:50,744 INFO L226 Difference]: Without dead ends: 48296 [2022-10-16 03:16:50,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:16:50,746 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 1926 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 2278 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:50,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 2278 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:50,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48296 states. [2022-10-16 03:16:52,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48296 to 48294. [2022-10-16 03:16:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48294 states, 48293 states have (on average 1.503323463027768) internal successors, (72600), 48293 states have internal predecessors, (72600), 0 states have call successors, (0), 0 states 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 03:16:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48294 states to 48294 states and 72600 transitions. [2022-10-16 03:16:52,708 INFO L78 Accepts]: Start accepts. Automaton has 48294 states and 72600 transitions. Word has length 240 [2022-10-16 03:16:52,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:52,708 INFO L495 AbstractCegarLoop]: Abstraction has 48294 states and 72600 transitions. [2022-10-16 03:16:52,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 03:16:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48294 states and 72600 transitions. [2022-10-16 03:16:52,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-16 03:16:52,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:52,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:52,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 03:16:52,792 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:52,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:52,793 INFO L85 PathProgramCache]: Analyzing trace with hash -648496959, now seen corresponding path program 1 times [2022-10-16 03:16:52,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:52,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797557660] [2022-10-16 03:16:52,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:52,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:53,191 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 03:16:53,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:53,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797557660] [2022-10-16 03:16:53,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797557660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:53,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:53,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:16:53,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830676276] [2022-10-16 03:16:53,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:53,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:16:53,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:16:53,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:53,196 INFO L87 Difference]: Start difference. First operand 48294 states and 72600 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states 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 03:16:53,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:53,694 INFO L93 Difference]: Finished difference Result 94680 states and 141271 transitions. [2022-10-16 03:16:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:16:53,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-10-16 03:16:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:54,087 INFO L225 Difference]: With dead ends: 94680 [2022-10-16 03:16:54,087 INFO L226 Difference]: Without dead ends: 94680 [2022-10-16 03:16:54,088 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 03:16:54,088 INFO L413 NwaCegarLoop]: 1696 mSDtfsCounter, 748 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 2559 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:54,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 2559 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:16:54,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94680 states. [2022-10-16 03:16:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94680 to 94678. [2022-10-16 03:16:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94678 states, 94677 states have (on average 1.4921258595012517) internal successors, (141270), 94677 states have internal predecessors, (141270), 0 states have call successors, (0), 0 states 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 03:16:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94678 states to 94678 states and 141270 transitions. [2022-10-16 03:16:56,786 INFO L78 Accepts]: Start accepts. Automaton has 94678 states and 141270 transitions. Word has length 242 [2022-10-16 03:16:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:16:56,787 INFO L495 AbstractCegarLoop]: Abstraction has 94678 states and 141270 transitions. [2022-10-16 03:16:56,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states 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 03:16:56,787 INFO L276 IsEmpty]: Start isEmpty. Operand 94678 states and 141270 transitions. [2022-10-16 03:16:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-16 03:16:56,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:16:56,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:16:56,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 03:16:56,903 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:16:56,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:16:56,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1722529222, now seen corresponding path program 1 times [2022-10-16 03:16:56,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:16:56,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219391732] [2022-10-16 03:16:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:16:56,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:16:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:16:57,079 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 03:16:57,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:16:57,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219391732] [2022-10-16 03:16:57,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219391732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:16:57,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:16:57,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:16:57,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958312339] [2022-10-16 03:16:57,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:16:57,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:16:57,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:16:57,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:16:57,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:16:57,083 INFO L87 Difference]: Start difference. First operand 94678 states and 141270 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states 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 03:16:58,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:16:58,385 INFO L93 Difference]: Finished difference Result 188894 states and 281731 transitions. [2022-10-16 03:16:58,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:16:58,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 242 [2022-10-16 03:16:58,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:16:58,758 INFO L225 Difference]: With dead ends: 188894 [2022-10-16 03:16:58,758 INFO L226 Difference]: Without dead ends: 188894 [2022-10-16 03:16:58,759 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 03:16:58,759 INFO L413 NwaCegarLoop]: 1759 mSDtfsCounter, 860 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2653 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 03:16:58,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 2653 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 03:16:58,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188894 states. [2022-10-16 03:17:01,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188894 to 94888. [2022-10-16 03:17:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94888 states, 94887 states have (on average 1.4921116696702392) internal successors, (141582), 94887 states have internal predecessors, (141582), 0 states have call successors, (0), 0 states 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 03:17:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94888 states to 94888 states and 141582 transitions. [2022-10-16 03:17:02,349 INFO L78 Accepts]: Start accepts. Automaton has 94888 states and 141582 transitions. Word has length 242 [2022-10-16 03:17:02,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:02,349 INFO L495 AbstractCegarLoop]: Abstraction has 94888 states and 141582 transitions. [2022-10-16 03:17:02,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states 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 03:17:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 94888 states and 141582 transitions. [2022-10-16 03:17:02,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-10-16 03:17:02,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:02,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:02,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 03:17:02,460 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:17:02,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash -106410204, now seen corresponding path program 1 times [2022-10-16 03:17:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:02,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067053623] [2022-10-16 03:17:02,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:02,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:02,636 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 03:17:02,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:02,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067053623] [2022-10-16 03:17:02,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067053623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:02,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:02,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:17:02,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713649155] [2022-10-16 03:17:02,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:02,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:02,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:02,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:02,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:02,640 INFO L87 Difference]: Start difference. First operand 94888 states and 141582 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states 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 03:17:03,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:03,897 INFO L93 Difference]: Finished difference Result 189072 states and 281925 transitions. [2022-10-16 03:17:03,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:03,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 243 [2022-10-16 03:17:03,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:04,209 INFO L225 Difference]: With dead ends: 189072 [2022-10-16 03:17:04,209 INFO L226 Difference]: Without dead ends: 189072 [2022-10-16 03:17:04,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:04,217 INFO L413 NwaCegarLoop]: 1759 mSDtfsCounter, 855 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 2653 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 03:17:04,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 2653 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:17:04,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189072 states. [2022-10-16 03:17:07,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189072 to 95118. [2022-10-16 03:17:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95118 states, 95117 states have (on average 1.4912791614537886) internal successors, (141846), 95117 states have internal predecessors, (141846), 0 states have call successors, (0), 0 states 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 03:17:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95118 states to 95118 states and 141846 transitions. [2022-10-16 03:17:07,606 INFO L78 Accepts]: Start accepts. Automaton has 95118 states and 141846 transitions. Word has length 243 [2022-10-16 03:17:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:07,606 INFO L495 AbstractCegarLoop]: Abstraction has 95118 states and 141846 transitions. [2022-10-16 03:17:07,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states 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 03:17:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 95118 states and 141846 transitions. [2022-10-16 03:17:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-10-16 03:17:07,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:07,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:07,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 03:17:07,696 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:17:07,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:07,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2050277543, now seen corresponding path program 1 times [2022-10-16 03:17:07,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:07,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034908546] [2022-10-16 03:17:07,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:07,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:09,030 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 03:17:09,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:09,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034908546] [2022-10-16 03:17:09,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034908546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:09,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:09,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:17:09,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150681472] [2022-10-16 03:17:09,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:09,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:17:09,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:09,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:17:09,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:17:09,033 INFO L87 Difference]: Start difference. First operand 95118 states and 141846 transitions. Second operand has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 0 states have call successors, (0), 0 states 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 03:17:10,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:10,188 INFO L93 Difference]: Finished difference Result 184660 states and 272861 transitions. [2022-10-16 03:17:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:17:10,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 0 states have call successors, (0), 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 244 [2022-10-16 03:17:10,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:10,516 INFO L225 Difference]: With dead ends: 184660 [2022-10-16 03:17:10,516 INFO L226 Difference]: Without dead ends: 184660 [2022-10-16 03:17:10,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:17:10,518 INFO L413 NwaCegarLoop]: 1343 mSDtfsCounter, 2873 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:10,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 2196 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:17:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184660 states. [2022-10-16 03:17:13,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184660 to 184658. [2022-10-16 03:17:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184658 states, 184657 states have (on average 1.4776585777955886) internal successors, (272860), 184657 states have internal predecessors, (272860), 0 states have call successors, (0), 0 states 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 03:17:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184658 states to 184658 states and 272860 transitions. [2022-10-16 03:17:15,094 INFO L78 Accepts]: Start accepts. Automaton has 184658 states and 272860 transitions. Word has length 244 [2022-10-16 03:17:15,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:15,107 INFO L495 AbstractCegarLoop]: Abstraction has 184658 states and 272860 transitions. [2022-10-16 03:17:15,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 0 states have call successors, (0), 0 states 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 03:17:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 184658 states and 272860 transitions. [2022-10-16 03:17:15,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-10-16 03:17:15,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:15,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 03:17:15,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 03:17:15,299 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:17:15,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:15,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1995922805, now seen corresponding path program 1 times [2022-10-16 03:17:15,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:15,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537575913] [2022-10-16 03:17:15,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:15,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:15,904 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 03:17:15,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:15,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537575913] [2022-10-16 03:17:15,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537575913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:15,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:15,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:17:15,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431091538] [2022-10-16 03:17:15,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:15,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:17:15,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:15,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:17:15,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:17:15,907 INFO L87 Difference]: Start difference. First operand 184658 states and 272860 transitions. Second operand has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 0 states have call successors, (0), 0 states 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 03:17:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:17,219 INFO L93 Difference]: Finished difference Result 205511 states and 302754 transitions. [2022-10-16 03:17:17,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:17:17,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 0 states have call successors, (0), 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 246 [2022-10-16 03:17:17,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:17,615 INFO L225 Difference]: With dead ends: 205511 [2022-10-16 03:17:17,615 INFO L226 Difference]: Without dead ends: 205511 [2022-10-16 03:17:17,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:17:17,619 INFO L413 NwaCegarLoop]: 1406 mSDtfsCounter, 1896 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:17,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1896 Valid, 2259 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:17:18,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205511 states. [2022-10-16 03:17:21,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205511 to 184893. [2022-10-16 03:17:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184893 states, 184892 states have (on average 1.4767864483049564) internal successors, (273046), 184892 states have internal predecessors, (273046), 0 states have call successors, (0), 0 states 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 03:17:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184893 states to 184893 states and 273046 transitions. [2022-10-16 03:17:22,371 INFO L78 Accepts]: Start accepts. Automaton has 184893 states and 273046 transitions. Word has length 246 [2022-10-16 03:17:22,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:22,372 INFO L495 AbstractCegarLoop]: Abstraction has 184893 states and 273046 transitions. [2022-10-16 03:17:22,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 0 states have call successors, (0), 0 states 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 03:17:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 184893 states and 273046 transitions. [2022-10-16 03:17:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-10-16 03:17:22,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:22,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:22,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 03:17:22,600 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:17:22,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:22,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1124572823, now seen corresponding path program 1 times [2022-10-16 03:17:22,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:22,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200505892] [2022-10-16 03:17:22,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:22,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:22,752 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 03:17:22,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:22,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200505892] [2022-10-16 03:17:22,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200505892] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:22,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:22,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:17:22,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193675471] [2022-10-16 03:17:22,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:22,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:22,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:22,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:22,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:22,757 INFO L87 Difference]: Start difference. First operand 184893 states and 273046 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states 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 03:17:24,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:24,515 INFO L93 Difference]: Finished difference Result 365920 states and 539698 transitions. [2022-10-16 03:17:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:24,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 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 248 [2022-10-16 03:17:24,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:25,566 INFO L225 Difference]: With dead ends: 365920 [2022-10-16 03:17:25,567 INFO L226 Difference]: Without dead ends: 365920 [2022-10-16 03:17:25,567 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 03:17:25,568 INFO L413 NwaCegarLoop]: 1726 mSDtfsCounter, 827 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2620 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 03:17:25,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2620 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:17:25,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365920 states. [2022-10-16 03:17:31,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365920 to 185366. [2022-10-16 03:17:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185366 states, 185365 states have (on average 1.4761524559652577) internal successors, (273627), 185365 states have internal predecessors, (273627), 0 states have call successors, (0), 0 states 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 03:17:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185366 states to 185366 states and 273627 transitions. [2022-10-16 03:17:32,376 INFO L78 Accepts]: Start accepts. Automaton has 185366 states and 273627 transitions. Word has length 248 [2022-10-16 03:17:32,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:32,377 INFO L495 AbstractCegarLoop]: Abstraction has 185366 states and 273627 transitions. [2022-10-16 03:17:32,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states 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 03:17:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 185366 states and 273627 transitions. [2022-10-16 03:17:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-10-16 03:17:32,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:32,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:32,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 03:17:32,567 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:17:32,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:32,568 INFO L85 PathProgramCache]: Analyzing trace with hash -764706277, now seen corresponding path program 1 times [2022-10-16 03:17:32,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:32,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603233614] [2022-10-16 03:17:32,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:32,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:32,700 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 03:17:32,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:32,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603233614] [2022-10-16 03:17:32,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603233614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:32,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:32,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:17:32,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713251040] [2022-10-16 03:17:32,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:32,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:32,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:32,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:32,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:32,703 INFO L87 Difference]: Start difference. First operand 185366 states and 273627 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states 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 03:17:34,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:34,847 INFO L93 Difference]: Finished difference Result 367977 states and 542822 transitions. [2022-10-16 03:17:34,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:34,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 249 [2022-10-16 03:17:34,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:35,477 INFO L225 Difference]: With dead ends: 367977 [2022-10-16 03:17:35,478 INFO L226 Difference]: Without dead ends: 367977 [2022-10-16 03:17:35,478 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 03:17:35,484 INFO L413 NwaCegarLoop]: 1726 mSDtfsCounter, 822 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 2620 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 03:17:35,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 2620 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 03:17:35,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367977 states. [2022-10-16 03:17:40,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367977 to 186051. [2022-10-16 03:17:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186051 states, 186050 states have (on average 1.4750389680193496) internal successors, (274431), 186050 states have internal predecessors, (274431), 0 states have call successors, (0), 0 states 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 03:17:42,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186051 states to 186051 states and 274431 transitions. [2022-10-16 03:17:42,233 INFO L78 Accepts]: Start accepts. Automaton has 186051 states and 274431 transitions. Word has length 249 [2022-10-16 03:17:42,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:42,233 INFO L495 AbstractCegarLoop]: Abstraction has 186051 states and 274431 transitions. [2022-10-16 03:17:42,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states 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 03:17:42,234 INFO L276 IsEmpty]: Start isEmpty. Operand 186051 states and 274431 transitions. [2022-10-16 03:17:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-10-16 03:17:42,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:42,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:42,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 03:17:42,450 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:17:42,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:42,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1971875425, now seen corresponding path program 1 times [2022-10-16 03:17:42,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:42,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837233894] [2022-10-16 03:17:42,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:42,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:42,752 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 03:17:42,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:42,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837233894] [2022-10-16 03:17:42,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837233894] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:42,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:42,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:17:42,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704891008] [2022-10-16 03:17:42,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:42,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:17:42,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:42,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:17:42,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:17:42,755 INFO L87 Difference]: Start difference. First operand 186051 states and 274431 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states 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 03:17:44,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:44,864 INFO L93 Difference]: Finished difference Result 350088 states and 511804 transitions. [2022-10-16 03:17:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:17:44,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 250 [2022-10-16 03:17:44,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:46,097 INFO L225 Difference]: With dead ends: 350088 [2022-10-16 03:17:46,097 INFO L226 Difference]: Without dead ends: 350088 [2022-10-16 03:17:46,098 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 03:17:46,098 INFO L413 NwaCegarLoop]: 1731 mSDtfsCounter, 747 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:46,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 2594 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:17:46,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350088 states. [2022-10-16 03:17:53,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350088 to 350086. [2022-10-16 03:17:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350086 states, 350085 states have (on average 1.4619392433266207) internal successors, (511803), 350085 states have internal predecessors, (511803), 0 states have call successors, (0), 0 states 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 03:17:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350086 states to 350086 states and 511803 transitions. [2022-10-16 03:17:55,597 INFO L78 Accepts]: Start accepts. Automaton has 350086 states and 511803 transitions. Word has length 250 [2022-10-16 03:17:55,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:17:55,612 INFO L495 AbstractCegarLoop]: Abstraction has 350086 states and 511803 transitions. [2022-10-16 03:17:55,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states 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 03:17:55,612 INFO L276 IsEmpty]: Start isEmpty. Operand 350086 states and 511803 transitions. [2022-10-16 03:17:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-10-16 03:17:55,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:17:55,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:55,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 03:17:55,929 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:17:55,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:17:55,930 INFO L85 PathProgramCache]: Analyzing trace with hash -341020740, now seen corresponding path program 1 times [2022-10-16 03:17:55,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:17:55,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787152083] [2022-10-16 03:17:55,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:17:55,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:17:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:17:57,031 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 03:17:57,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:17:57,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787152083] [2022-10-16 03:17:57,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787152083] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:17:57,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:17:57,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:17:57,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771747526] [2022-10-16 03:17:57,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:17:57,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:17:57,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:17:57,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:17:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:17:57,037 INFO L87 Difference]: Start difference. First operand 350086 states and 511803 transitions. Second operand has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 0 states have call successors, (0), 0 states 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 03:17:58,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:17:58,960 INFO L93 Difference]: Finished difference Result 389700 states and 568034 transitions. [2022-10-16 03:17:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:17:58,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 0 states have call successors, (0), 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 250 [2022-10-16 03:17:58,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:17:59,480 INFO L225 Difference]: With dead ends: 389700 [2022-10-16 03:17:59,480 INFO L226 Difference]: Without dead ends: 389700 [2022-10-16 03:17:59,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:17:59,481 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 2467 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2467 SdHoareTripleChecker+Valid, 2284 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:17:59,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2467 Valid, 2284 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:17:59,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389700 states. [2022-10-16 03:18:06,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389700 to 349626. [2022-10-16 03:18:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349626 states, 349625 states have (on average 1.4612542009295675) internal successors, (510891), 349625 states have internal predecessors, (510891), 0 states have call successors, (0), 0 states 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 03:18:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349626 states to 349626 states and 510891 transitions. [2022-10-16 03:18:09,064 INFO L78 Accepts]: Start accepts. Automaton has 349626 states and 510891 transitions. Word has length 250 [2022-10-16 03:18:09,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:09,065 INFO L495 AbstractCegarLoop]: Abstraction has 349626 states and 510891 transitions. [2022-10-16 03:18:09,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 0 states have call successors, (0), 0 states 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 03:18:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 349626 states and 510891 transitions. [2022-10-16 03:18:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-10-16 03:18:09,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:09,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:09,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 03:18:09,381 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:18:09,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:09,381 INFO L85 PathProgramCache]: Analyzing trace with hash -167057204, now seen corresponding path program 1 times [2022-10-16 03:18:09,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:09,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357544865] [2022-10-16 03:18:09,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:09,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:10,500 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 03:18:10,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:10,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357544865] [2022-10-16 03:18:10,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357544865] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:10,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:10,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 03:18:10,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957270010] [2022-10-16 03:18:10,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:10,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 03:18:10,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:10,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 03:18:10,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:18:10,504 INFO L87 Difference]: Start difference. First operand 349626 states and 510891 transitions. Second operand has 5 states, 5 states have (on average 50.4) internal successors, (252), 5 states have internal predecessors, (252), 0 states have call successors, (0), 0 states 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 03:18:13,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:13,438 INFO L93 Difference]: Finished difference Result 679174 states and 983514 transitions. [2022-10-16 03:18:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:18:13,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.4) internal successors, (252), 5 states have internal predecessors, (252), 0 states have call successors, (0), 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 252 [2022-10-16 03:18:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:15,775 INFO L225 Difference]: With dead ends: 679174 [2022-10-16 03:18:15,776 INFO L226 Difference]: Without dead ends: 679174 [2022-10-16 03:18:15,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:18:15,781 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 2438 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2438 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:15,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2438 Valid, 2272 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 03:18:16,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679174 states. [2022-10-16 03:18:31,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679174 to 679172. [2022-10-16 03:18:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679172 states, 679171 states have (on average 1.4481080611510209) internal successors, (983513), 679171 states have internal predecessors, (983513), 0 states have call successors, (0), 0 states 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 03:18:36,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679172 states to 679172 states and 983513 transitions. [2022-10-16 03:18:36,659 INFO L78 Accepts]: Start accepts. Automaton has 679172 states and 983513 transitions. Word has length 252 [2022-10-16 03:18:36,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:18:36,659 INFO L495 AbstractCegarLoop]: Abstraction has 679172 states and 983513 transitions. [2022-10-16 03:18:36,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.4) internal successors, (252), 5 states have internal predecessors, (252), 0 states have call successors, (0), 0 states 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 03:18:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 679172 states and 983513 transitions. [2022-10-16 03:18:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-10-16 03:18:38,051 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:18:38,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:38,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 03:18:38,052 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:18:38,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:18:38,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1142480988, now seen corresponding path program 1 times [2022-10-16 03:18:38,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:18:38,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721687496] [2022-10-16 03:18:38,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:18:38,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:18:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:18:38,654 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 03:18:38,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:18:38,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721687496] [2022-10-16 03:18:38,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721687496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:18:38,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:18:38,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 03:18:38,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104262063] [2022-10-16 03:18:38,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:18:38,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 03:18:38,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:18:38,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 03:18:38,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 03:18:38,658 INFO L87 Difference]: Start difference. First operand 679172 states and 983513 transitions. Second operand has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states 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 03:18:42,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:18:42,204 INFO L93 Difference]: Finished difference Result 760357 states and 1095537 transitions. [2022-10-16 03:18:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 03:18:42,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 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 252 [2022-10-16 03:18:42,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:18:44,131 INFO L225 Difference]: With dead ends: 760357 [2022-10-16 03:18:44,131 INFO L226 Difference]: Without dead ends: 760357 [2022-10-16 03:18:44,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 03:18:44,132 INFO L413 NwaCegarLoop]: 1422 mSDtfsCounter, 1885 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 2275 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 03:18:44,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 2275 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 03:18:44,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760357 states. [2022-10-16 03:18:59,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760357 to 675791. [2022-10-16 03:19:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675791 states, 675790 states have (on average 1.4450983293626718) internal successors, (976583), 675790 states have internal predecessors, (976583), 0 states have call successors, (0), 0 states 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 03:19:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675791 states to 675791 states and 976583 transitions. [2022-10-16 03:19:07,407 INFO L78 Accepts]: Start accepts. Automaton has 675791 states and 976583 transitions. Word has length 252 [2022-10-16 03:19:07,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 03:19:07,409 INFO L495 AbstractCegarLoop]: Abstraction has 675791 states and 976583 transitions. [2022-10-16 03:19:07,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 0 states have call successors, (0), 0 states 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 03:19:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 675791 states and 976583 transitions. [2022-10-16 03:19:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-10-16 03:19:08,425 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 03:19:08,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:08,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 03:19:08,426 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 03:19:08,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 03:19:08,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1564719375, now seen corresponding path program 1 times [2022-10-16 03:19:08,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 03:19:08,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846442644] [2022-10-16 03:19:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 03:19:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 03:19:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 03:19:09,339 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 03:19:09,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 03:19:09,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846442644] [2022-10-16 03:19:09,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846442644] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 03:19:09,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 03:19:09,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 03:19:09,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608229545] [2022-10-16 03:19:09,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 03:19:09,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 03:19:09,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 03:19:09,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 03:19:09,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 03:19:09,345 INFO L87 Difference]: Start difference. First operand 675791 states and 976583 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states 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 03:19:16,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 03:19:16,384 INFO L93 Difference]: Finished difference Result 1336610 states and 1930630 transitions. [2022-10-16 03:19:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 03:19:16,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 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 254 [2022-10-16 03:19:16,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 03:19:21,281 INFO L225 Difference]: With dead ends: 1336610 [2022-10-16 03:19:21,282 INFO L226 Difference]: Without dead ends: 1336610 [2022-10-16 03:19:21,282 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 03:19:21,283 INFO L413 NwaCegarLoop]: 1693 mSDtfsCounter, 794 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 2587 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 03:19:21,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 2587 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]