/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 02:51:35,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 02:51:35,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 02:51:35,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 02:51:35,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 02:51:35,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 02:51:35,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 02:51:35,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 02:51:35,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 02:51:35,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 02:51:35,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 02:51:35,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 02:51:35,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 02:51:35,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 02:51:35,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 02:51:35,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 02:51:35,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 02:51:35,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 02:51:35,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 02:51:35,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 02:51:35,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 02:51:35,554 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 02:51:35,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 02:51:35,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 02:51:35,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 02:51:35,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 02:51:35,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 02:51:35,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 02:51:35,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 02:51:35,561 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 02:51:35,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 02:51:35,562 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 02:51:35,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 02:51:35,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 02:51:35,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 02:51:35,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 02:51:35,563 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 02:51:35,564 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 02:51:35,564 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 02:51:35,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 02:51:35,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 02:51:35,564 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 02:51:35,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 02:51:35,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 02:51:35,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 02:51:35,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 02:51:35,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:51:35,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 02:51:35,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 02:51:35,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 02:51:35,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 02:51:35,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 02:51:36,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 02:51:36,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 02:51:36,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 02:51:36,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 02:51:36,070 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 02:51:36,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-10-16 02:51:36,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fdb221cc/724ffac1bd7a4b5e966417d1e5c6c7b1/FLAG9d734be4d [2022-10-16 02:51:36,968 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 02:51:36,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-10-16 02:51:36,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fdb221cc/724ffac1bd7a4b5e966417d1e5c6c7b1/FLAG9d734be4d [2022-10-16 02:51:37,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fdb221cc/724ffac1bd7a4b5e966417d1e5c6c7b1 [2022-10-16 02:51:37,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 02:51:37,281 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 02:51:37,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 02:51:37,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 02:51:37,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 02:51:37,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:51:37" (1/1) ... [2022-10-16 02:51:37,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a19e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:37, skipping insertion in model container [2022-10-16 02:51:37,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:51:37" (1/1) ... [2022-10-16 02:51:37,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 02:51:37,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 02:51:37,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c[26792,26805] [2022-10-16 02:51:37,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:51:37,867 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 02:51:38,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c[26792,26805] [2022-10-16 02:51:38,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:51:38,041 INFO L208 MainTranslator]: Completed translation [2022-10-16 02:51:38,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38 WrapperNode [2022-10-16 02:51:38,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 02:51:38,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 02:51:38,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 02:51:38,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 02:51:38,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,182 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 984 [2022-10-16 02:51:38,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 02:51:38,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 02:51:38,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 02:51:38,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 02:51:38,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 02:51:38,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 02:51:38,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 02:51:38,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 02:51:38,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (1/1) ... [2022-10-16 02:51:38,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:51:38,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:51:38,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 02:51:38,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 02:51:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 02:51:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 02:51:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 02:51:38,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 02:51:38,632 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 02:51:38,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 02:51:39,828 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 02:51:39,851 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 02:51:39,851 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 02:51:39,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:51:39 BoogieIcfgContainer [2022-10-16 02:51:39,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 02:51:39,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 02:51:39,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 02:51:39,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 02:51:39,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:51:37" (1/3) ... [2022-10-16 02:51:39,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5542df8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:51:39, skipping insertion in model container [2022-10-16 02:51:39,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:51:38" (2/3) ... [2022-10-16 02:51:39,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5542df8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:51:39, skipping insertion in model container [2022-10-16 02:51:39,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:51:39" (3/3) ... [2022-10-16 02:51:39,869 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c [2022-10-16 02:51:39,895 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 02:51:39,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 02:51:39,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 02:51:39,986 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;@3e9024b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 02:51:39,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 02:51:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 321 states, 318 states have (on average 1.7955974842767295) internal successors, (571), 320 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 02:51:40,006 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:40,006 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] [2022-10-16 02:51:40,007 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:40,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:40,013 INFO L85 PathProgramCache]: Analyzing trace with hash -937010021, now seen corresponding path program 1 times [2022-10-16 02:51:40,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:40,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372718281] [2022-10-16 02:51:40,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:40,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:40,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:40,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372718281] [2022-10-16 02:51:40,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372718281] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:40,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:40,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 02:51:40,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667453882] [2022-10-16 02:51:40,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:40,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 02:51:40,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:40,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 02:51:40,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 02:51:40,567 INFO L87 Difference]: Start difference. First operand has 321 states, 318 states have (on average 1.7955974842767295) internal successors, (571), 320 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:40,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:40,614 INFO L93 Difference]: Finished difference Result 316 states and 563 transitions. [2022-10-16 02:51:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 02:51:40,624 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 02:51:40,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:40,641 INFO L225 Difference]: With dead ends: 316 [2022-10-16 02:51:40,641 INFO L226 Difference]: Without dead ends: 316 [2022-10-16 02:51:40,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 02:51:40,649 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:40,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:51:40,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-10-16 02:51:40,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2022-10-16 02:51:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.7873015873015874) internal successors, (563), 315 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 563 transitions. [2022-10-16 02:51:40,728 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 563 transitions. Word has length 58 [2022-10-16 02:51:40,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:40,729 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 563 transitions. [2022-10-16 02:51:40,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 563 transitions. [2022-10-16 02:51:40,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 02:51:40,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:40,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:51:40,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 02:51:40,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:40,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:40,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1436969562, now seen corresponding path program 1 times [2022-10-16 02:51:40,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:40,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445106201] [2022-10-16 02:51:40,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:40,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:41,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:41,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445106201] [2022-10-16 02:51:41,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445106201] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:41,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:41,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:51:41,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884411667] [2022-10-16 02:51:41,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:41,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:51:41,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:41,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:51:41,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:51:41,337 INFO L87 Difference]: Start difference. First operand 316 states and 563 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:41,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:41,503 INFO L93 Difference]: Finished difference Result 319 states and 565 transitions. [2022-10-16 02:51:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:51:41,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 02:51:41,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:41,511 INFO L225 Difference]: With dead ends: 319 [2022-10-16 02:51:41,511 INFO L226 Difference]: Without dead ends: 316 [2022-10-16 02:51:41,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:51:41,519 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 3 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2207 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:41,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2207 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:51:41,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-10-16 02:51:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2022-10-16 02:51:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.6793650793650794) internal successors, (529), 315 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 529 transitions. [2022-10-16 02:51:41,562 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 529 transitions. Word has length 77 [2022-10-16 02:51:41,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:41,563 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 529 transitions. [2022-10-16 02:51:41,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 529 transitions. [2022-10-16 02:51:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 02:51:41,614 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:41,615 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] [2022-10-16 02:51:41,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 02:51:41,615 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:41,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:41,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1445636690, now seen corresponding path program 1 times [2022-10-16 02:51:41,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:41,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882213610] [2022-10-16 02:51:41,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:41,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:41,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:41,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882213610] [2022-10-16 02:51:41,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882213610] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:41,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:41,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:51:41,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533692977] [2022-10-16 02:51:41,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:41,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:51:41,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:41,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:51:41,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:41,959 INFO L87 Difference]: Start difference. First operand 316 states and 529 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:42,014 INFO L93 Difference]: Finished difference Result 436 states and 726 transitions. [2022-10-16 02:51:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:51:42,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 02:51:42,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:42,018 INFO L225 Difference]: With dead ends: 436 [2022-10-16 02:51:42,018 INFO L226 Difference]: Without dead ends: 436 [2022-10-16 02:51:42,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:42,020 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 194 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:42,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1006 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:51:42,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2022-10-16 02:51:42,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 433. [2022-10-16 02:51:42,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 432 states have (on average 1.6759259259259258) internal successors, (724), 432 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 724 transitions. [2022-10-16 02:51:42,045 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 724 transitions. Word has length 110 [2022-10-16 02:51:42,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:42,046 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 724 transitions. [2022-10-16 02:51:42,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 724 transitions. [2022-10-16 02:51:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 02:51:42,051 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:42,051 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] [2022-10-16 02:51:42,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 02:51:42,054 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:42,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:42,055 INFO L85 PathProgramCache]: Analyzing trace with hash -880032262, now seen corresponding path program 1 times [2022-10-16 02:51:42,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:42,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110373569] [2022-10-16 02:51:42,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:42,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:42,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:42,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110373569] [2022-10-16 02:51:42,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110373569] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:42,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:42,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:51:42,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879183540] [2022-10-16 02:51:42,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:42,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:51:42,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:42,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:51:42,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:42,279 INFO L87 Difference]: Start difference. First operand 433 states and 724 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:42,315 INFO L93 Difference]: Finished difference Result 662 states and 1104 transitions. [2022-10-16 02:51:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:51:42,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 02:51:42,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:42,321 INFO L225 Difference]: With dead ends: 662 [2022-10-16 02:51:42,322 INFO L226 Difference]: Without dead ends: 662 [2022-10-16 02:51:42,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:42,333 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 195 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:42,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1019 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:51:42,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-10-16 02:51:42,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 658. [2022-10-16 02:51:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 657 states have (on average 1.6757990867579908) internal successors, (1101), 657 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1101 transitions. [2022-10-16 02:51:42,368 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1101 transitions. Word has length 113 [2022-10-16 02:51:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:42,370 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 1101 transitions. [2022-10-16 02:51:42,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1101 transitions. [2022-10-16 02:51:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 02:51:42,376 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:42,377 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] [2022-10-16 02:51:42,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 02:51:42,377 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:42,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:42,378 INFO L85 PathProgramCache]: Analyzing trace with hash 164082803, now seen corresponding path program 1 times [2022-10-16 02:51:42,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:42,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840446612] [2022-10-16 02:51:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:42,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:42,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840446612] [2022-10-16 02:51:42,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840446612] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:42,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:42,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:51:42,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356518007] [2022-10-16 02:51:42,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:42,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:51:42,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:42,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:51:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:42,572 INFO L87 Difference]: Start difference. First operand 658 states and 1101 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:42,639 INFO L93 Difference]: Finished difference Result 1092 states and 1818 transitions. [2022-10-16 02:51:42,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:51:42,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 02:51:42,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:42,653 INFO L225 Difference]: With dead ends: 1092 [2022-10-16 02:51:42,654 INFO L226 Difference]: Without dead ends: 1092 [2022-10-16 02:51:42,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:42,655 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 188 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:42,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1020 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:51:42,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-10-16 02:51:42,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1086. [2022-10-16 02:51:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1085 states have (on average 1.6709677419354838) internal successors, (1813), 1085 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1813 transitions. [2022-10-16 02:51:42,695 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1813 transitions. Word has length 116 [2022-10-16 02:51:42,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:42,695 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 1813 transitions. [2022-10-16 02:51:42,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:42,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1813 transitions. [2022-10-16 02:51:42,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 02:51:42,699 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:42,699 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] [2022-10-16 02:51:42,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 02:51:42,700 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash 725306107, now seen corresponding path program 1 times [2022-10-16 02:51:42,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:42,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844630526] [2022-10-16 02:51:42,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:42,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:42,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:42,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844630526] [2022-10-16 02:51:42,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844630526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:42,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:42,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:51:42,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530243714] [2022-10-16 02:51:42,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:42,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:51:42,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:42,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:51:42,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:42,959 INFO L87 Difference]: Start difference. First operand 1086 states and 1813 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:43,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:43,005 INFO L93 Difference]: Finished difference Result 1908 states and 3162 transitions. [2022-10-16 02:51:43,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:51:43,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-10-16 02:51:43,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:43,019 INFO L225 Difference]: With dead ends: 1908 [2022-10-16 02:51:43,019 INFO L226 Difference]: Without dead ends: 1908 [2022-10-16 02:51:43,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:43,022 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 181 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:43,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1021 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:51:43,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-10-16 02:51:43,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1898. [2022-10-16 02:51:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1898 states, 1897 states have (on average 1.6620980495519242) internal successors, (3153), 1897 states have internal predecessors, (3153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 3153 transitions. [2022-10-16 02:51:43,082 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 3153 transitions. Word has length 119 [2022-10-16 02:51:43,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:43,083 INFO L495 AbstractCegarLoop]: Abstraction has 1898 states and 3153 transitions. [2022-10-16 02:51:43,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 3153 transitions. [2022-10-16 02:51:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 02:51:43,088 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:43,088 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] [2022-10-16 02:51:43,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 02:51:43,088 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:43,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1859517548, now seen corresponding path program 1 times [2022-10-16 02:51:43,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:43,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22193607] [2022-10-16 02:51:43,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:43,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:43,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:43,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22193607] [2022-10-16 02:51:43,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22193607] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:43,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:43,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:51:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753712757] [2022-10-16 02:51:43,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:43,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:51:43,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:43,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:51:43,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:51:43,362 INFO L87 Difference]: Start difference. First operand 1898 states and 3153 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:43,776 INFO L93 Difference]: Finished difference Result 8180 states and 13656 transitions. [2022-10-16 02:51:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 02:51:43,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 02:51:43,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:43,831 INFO L225 Difference]: With dead ends: 8180 [2022-10-16 02:51:43,831 INFO L226 Difference]: Without dead ends: 8180 [2022-10-16 02:51:43,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 02:51:43,833 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 2244 mSDsluCounter, 3823 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 4354 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:43,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 4354 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 02:51:43,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8180 states. [2022-10-16 02:51:44,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8180 to 3498. [2022-10-16 02:51:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3498 states, 3497 states have (on average 1.661424077780955) internal successors, (5810), 3497 states have internal predecessors, (5810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:44,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 5810 transitions. [2022-10-16 02:51:44,063 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 5810 transitions. Word has length 122 [2022-10-16 02:51:44,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:44,064 INFO L495 AbstractCegarLoop]: Abstraction has 3498 states and 5810 transitions. [2022-10-16 02:51:44,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 5810 transitions. [2022-10-16 02:51:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 02:51:44,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:44,067 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] [2022-10-16 02:51:44,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 02:51:44,068 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:44,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:44,069 INFO L85 PathProgramCache]: Analyzing trace with hash 389891547, now seen corresponding path program 1 times [2022-10-16 02:51:44,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:44,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833040682] [2022-10-16 02:51:44,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:44,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:44,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:44,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833040682] [2022-10-16 02:51:44,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833040682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:44,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:44,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:51:44,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207775054] [2022-10-16 02:51:44,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:44,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:51:44,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:44,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:51:44,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:51:44,266 INFO L87 Difference]: Start difference. First operand 3498 states and 5810 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:44,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:44,402 INFO L93 Difference]: Finished difference Result 6940 states and 11588 transitions. [2022-10-16 02:51:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:51:44,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 02:51:44,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:44,448 INFO L225 Difference]: With dead ends: 6940 [2022-10-16 02:51:44,448 INFO L226 Difference]: Without dead ends: 6940 [2022-10-16 02:51:44,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:51:44,449 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 653 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1735 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:44,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1735 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:51:44,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6940 states. [2022-10-16 02:51:44,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6940 to 5202. [2022-10-16 02:51:44,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5202 states, 5201 states have (on average 1.6637185156700633) internal successors, (8653), 5201 states have internal predecessors, (8653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5202 states to 5202 states and 8653 transitions. [2022-10-16 02:51:44,732 INFO L78 Accepts]: Start accepts. Automaton has 5202 states and 8653 transitions. Word has length 123 [2022-10-16 02:51:44,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:44,733 INFO L495 AbstractCegarLoop]: Abstraction has 5202 states and 8653 transitions. [2022-10-16 02:51:44,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5202 states and 8653 transitions. [2022-10-16 02:51:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 02:51:44,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:44,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:51:44,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 02:51:44,740 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:44,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:44,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1571101099, now seen corresponding path program 1 times [2022-10-16 02:51:44,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:44,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749523455] [2022-10-16 02:51:44,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:44,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:44,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:44,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749523455] [2022-10-16 02:51:44,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749523455] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:44,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:44,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:51:44,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481283434] [2022-10-16 02:51:44,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:44,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:51:44,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:44,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:51:44,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:51:44,960 INFO L87 Difference]: Start difference. First operand 5202 states and 8653 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:45,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:45,118 INFO L93 Difference]: Finished difference Result 10266 states and 17095 transitions. [2022-10-16 02:51:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:51:45,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 02:51:45,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:45,179 INFO L225 Difference]: With dead ends: 10266 [2022-10-16 02:51:45,179 INFO L226 Difference]: Without dead ends: 10266 [2022-10-16 02:51:45,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:51:45,182 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 653 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:45,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1725 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:51:45,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10266 states. [2022-10-16 02:51:45,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10266 to 7710. [2022-10-16 02:51:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7710 states, 7709 states have (on average 1.661304968218965) internal successors, (12807), 7709 states have internal predecessors, (12807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7710 states to 7710 states and 12807 transitions. [2022-10-16 02:51:45,491 INFO L78 Accepts]: Start accepts. Automaton has 7710 states and 12807 transitions. Word has length 124 [2022-10-16 02:51:45,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:45,492 INFO L495 AbstractCegarLoop]: Abstraction has 7710 states and 12807 transitions. [2022-10-16 02:51:45,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 7710 states and 12807 transitions. [2022-10-16 02:51:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 02:51:45,498 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:45,498 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] [2022-10-16 02:51:45,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 02:51:45,499 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:45,506 INFO L85 PathProgramCache]: Analyzing trace with hash -297104110, now seen corresponding path program 1 times [2022-10-16 02:51:45,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:45,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226862911] [2022-10-16 02:51:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:45,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:45,752 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 02:51:45,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:45,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226862911] [2022-10-16 02:51:45,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226862911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:45,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:45,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:51:45,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91910805] [2022-10-16 02:51:45,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:45,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:51:45,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:45,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:51:45,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:51:45,766 INFO L87 Difference]: Start difference. First operand 7710 states and 12807 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:45,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:45,953 INFO L93 Difference]: Finished difference Result 15174 states and 25233 transitions. [2022-10-16 02:51:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:51:45,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-16 02:51:45,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:46,054 INFO L225 Difference]: With dead ends: 15174 [2022-10-16 02:51:46,055 INFO L226 Difference]: Without dead ends: 15174 [2022-10-16 02:51:46,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:51:46,056 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 651 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:46,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1727 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:51:46,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15174 states. [2022-10-16 02:51:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15174 to 11408. [2022-10-16 02:51:46,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11408 states, 11407 states have (on average 1.6588936617866223) internal successors, (18923), 11407 states have internal predecessors, (18923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11408 states to 11408 states and 18923 transitions. [2022-10-16 02:51:46,499 INFO L78 Accepts]: Start accepts. Automaton has 11408 states and 18923 transitions. Word has length 125 [2022-10-16 02:51:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:46,499 INFO L495 AbstractCegarLoop]: Abstraction has 11408 states and 18923 transitions. [2022-10-16 02:51:46,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 11408 states and 18923 transitions. [2022-10-16 02:51:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 02:51:46,507 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:46,507 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] [2022-10-16 02:51:46,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 02:51:46,507 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:46,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:46,508 INFO L85 PathProgramCache]: Analyzing trace with hash 353038505, now seen corresponding path program 1 times [2022-10-16 02:51:46,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:46,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129234585] [2022-10-16 02:51:46,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:46,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:46,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:46,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129234585] [2022-10-16 02:51:46,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129234585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:46,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:46,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:51:46,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038677487] [2022-10-16 02:51:46,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:46,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:51:46,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:46,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:51:46,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:46,632 INFO L87 Difference]: Start difference. First operand 11408 states and 18923 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:46,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:46,795 INFO L93 Difference]: Finished difference Result 17604 states and 29154 transitions. [2022-10-16 02:51:46,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:51:46,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 02:51:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:46,845 INFO L225 Difference]: With dead ends: 17604 [2022-10-16 02:51:46,845 INFO L226 Difference]: Without dead ends: 17604 [2022-10-16 02:51:46,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:46,846 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 201 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:46,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1184 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:51:46,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17604 states. [2022-10-16 02:51:47,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17604 to 17602. [2022-10-16 02:51:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17602 states, 17601 states have (on average 1.6563263450940287) internal successors, (29153), 17601 states have internal predecessors, (29153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17602 states to 17602 states and 29153 transitions. [2022-10-16 02:51:47,530 INFO L78 Accepts]: Start accepts. Automaton has 17602 states and 29153 transitions. Word has length 126 [2022-10-16 02:51:47,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:47,531 INFO L495 AbstractCegarLoop]: Abstraction has 17602 states and 29153 transitions. [2022-10-16 02:51:47,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 17602 states and 29153 transitions. [2022-10-16 02:51:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 02:51:47,540 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:47,542 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] [2022-10-16 02:51:47,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 02:51:47,543 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:47,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:47,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2087080898, now seen corresponding path program 1 times [2022-10-16 02:51:47,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:47,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669537900] [2022-10-16 02:51:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:47,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:47,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:47,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669537900] [2022-10-16 02:51:47,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669537900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:47,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:47,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:51:47,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662207841] [2022-10-16 02:51:47,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:47,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:51:47,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:47,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:51:47,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:51:47,792 INFO L87 Difference]: Start difference. First operand 17602 states and 29153 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:48,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:48,233 INFO L93 Difference]: Finished difference Result 34638 states and 57435 transitions. [2022-10-16 02:51:48,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:51:48,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 02:51:48,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:48,338 INFO L225 Difference]: With dead ends: 34638 [2022-10-16 02:51:48,338 INFO L226 Difference]: Without dead ends: 34638 [2022-10-16 02:51:48,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:51:48,339 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 649 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:48,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 1769 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 02:51:48,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34638 states. [2022-10-16 02:51:48,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34638 to 26040. [2022-10-16 02:51:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26040 states, 26039 states have (on average 1.653634932217059) internal successors, (43059), 26039 states have internal predecessors, (43059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26040 states to 26040 states and 43059 transitions. [2022-10-16 02:51:49,098 INFO L78 Accepts]: Start accepts. Automaton has 26040 states and 43059 transitions. Word has length 126 [2022-10-16 02:51:49,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:49,099 INFO L495 AbstractCegarLoop]: Abstraction has 26040 states and 43059 transitions. [2022-10-16 02:51:49,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 26040 states and 43059 transitions. [2022-10-16 02:51:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 02:51:49,107 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:49,107 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] [2022-10-16 02:51:49,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 02:51:49,108 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:49,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1488761057, now seen corresponding path program 1 times [2022-10-16 02:51:49,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:49,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080132102] [2022-10-16 02:51:49,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:49,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:49,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:49,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080132102] [2022-10-16 02:51:49,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080132102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:49,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:49,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:51:49,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238086498] [2022-10-16 02:51:49,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:49,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:51:49,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:49,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:51:49,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:49,273 INFO L87 Difference]: Start difference. First operand 26040 states and 43059 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:49,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:49,683 INFO L93 Difference]: Finished difference Result 40136 states and 66027 transitions. [2022-10-16 02:51:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:51:49,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 02:51:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:49,793 INFO L225 Difference]: With dead ends: 40136 [2022-10-16 02:51:49,793 INFO L226 Difference]: Without dead ends: 40136 [2022-10-16 02:51:49,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:49,796 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 180 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:49,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1078 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:51:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40136 states. [2022-10-16 02:51:50,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40136 to 40134. [2022-10-16 02:51:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40134 states, 40133 states have (on average 1.6451797772406747) internal successors, (66026), 40133 states have internal predecessors, (66026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40134 states to 40134 states and 66026 transitions. [2022-10-16 02:51:51,257 INFO L78 Accepts]: Start accepts. Automaton has 40134 states and 66026 transitions. Word has length 126 [2022-10-16 02:51:51,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:51,258 INFO L495 AbstractCegarLoop]: Abstraction has 40134 states and 66026 transitions. [2022-10-16 02:51:51,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 40134 states and 66026 transitions. [2022-10-16 02:51:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 02:51:51,261 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:51,261 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] [2022-10-16 02:51:51,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 02:51:51,262 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:51,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:51,263 INFO L85 PathProgramCache]: Analyzing trace with hash 814940521, now seen corresponding path program 1 times [2022-10-16 02:51:51,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:51,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155867490] [2022-10-16 02:51:51,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:51,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:51,432 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 02:51:51,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:51,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155867490] [2022-10-16 02:51:51,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155867490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:51,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:51,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:51:51,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076356861] [2022-10-16 02:51:51,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:51,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:51:51,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:51,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:51:51,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:51,436 INFO L87 Difference]: Start difference. First operand 40134 states and 66026 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:51,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:51,927 INFO L93 Difference]: Finished difference Result 60870 states and 99588 transitions. [2022-10-16 02:51:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:51:51,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 02:51:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:52,145 INFO L225 Difference]: With dead ends: 60870 [2022-10-16 02:51:52,145 INFO L226 Difference]: Without dead ends: 60870 [2022-10-16 02:51:52,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:52,146 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 187 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:52,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 1123 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:51:52,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60870 states. [2022-10-16 02:51:53,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60870 to 60868. [2022-10-16 02:51:53,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60868 states, 60867 states have (on average 1.6361410945175547) internal successors, (99587), 60867 states have internal predecessors, (99587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60868 states to 60868 states and 99587 transitions. [2022-10-16 02:51:53,891 INFO L78 Accepts]: Start accepts. Automaton has 60868 states and 99587 transitions. Word has length 126 [2022-10-16 02:51:53,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:53,892 INFO L495 AbstractCegarLoop]: Abstraction has 60868 states and 99587 transitions. [2022-10-16 02:51:53,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 60868 states and 99587 transitions. [2022-10-16 02:51:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 02:51:53,894 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:53,894 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] [2022-10-16 02:51:53,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 02:51:53,895 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:53,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:53,896 INFO L85 PathProgramCache]: Analyzing trace with hash -122812449, now seen corresponding path program 1 times [2022-10-16 02:51:53,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:53,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703545405] [2022-10-16 02:51:53,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:53,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:54,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:54,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703545405] [2022-10-16 02:51:54,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703545405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:54,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:54,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:51:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144883003] [2022-10-16 02:51:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:54,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:51:54,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:51:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:54,443 INFO L87 Difference]: Start difference. First operand 60868 states and 99587 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:54,884 INFO L93 Difference]: Finished difference Result 91474 states and 148616 transitions. [2022-10-16 02:51:54,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:51:54,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 02:51:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:55,115 INFO L225 Difference]: With dead ends: 91474 [2022-10-16 02:51:55,115 INFO L226 Difference]: Without dead ends: 91474 [2022-10-16 02:51:55,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:51:55,117 INFO L413 NwaCegarLoop]: 679 mSDtfsCounter, 194 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:55,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1168 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:51:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91474 states. [2022-10-16 02:51:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91474 to 91472. [2022-10-16 02:51:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91472 states, 91471 states have (on average 1.6247225896732298) internal successors, (148615), 91471 states have internal predecessors, (148615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91472 states to 91472 states and 148615 transitions. [2022-10-16 02:51:57,484 INFO L78 Accepts]: Start accepts. Automaton has 91472 states and 148615 transitions. Word has length 126 [2022-10-16 02:51:57,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:51:57,484 INFO L495 AbstractCegarLoop]: Abstraction has 91472 states and 148615 transitions. [2022-10-16 02:51:57,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 91472 states and 148615 transitions. [2022-10-16 02:51:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 02:51:57,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:51:57,486 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] [2022-10-16 02:51:57,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 02:51:57,487 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:51:57,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:51:57,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2013833626, now seen corresponding path program 1 times [2022-10-16 02:51:57,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:51:57,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682219260] [2022-10-16 02:51:57,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:51:57,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:51:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:51:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:51:58,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:51:58,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682219260] [2022-10-16 02:51:58,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682219260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:51:58,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:51:58,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:51:58,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840286107] [2022-10-16 02:51:58,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:51:58,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:51:58,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:51:58,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:51:58,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:51:58,363 INFO L87 Difference]: Start difference. First operand 91472 states and 148615 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:51:58,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:51:58,846 INFO L93 Difference]: Finished difference Result 91474 states and 147991 transitions. [2022-10-16 02:51:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:51:58,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 02:51:58,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:51:59,056 INFO L225 Difference]: With dead ends: 91474 [2022-10-16 02:51:59,056 INFO L226 Difference]: Without dead ends: 91474 [2022-10-16 02:51:59,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:51:59,058 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 708 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:51:59,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 1994 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:51:59,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91474 states. [2022-10-16 02:52:00,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91474 to 91472. [2022-10-16 02:52:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91472 states, 91471 states have (on average 1.6178898230040122) internal successors, (147990), 91471 states have internal predecessors, (147990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91472 states to 91472 states and 147990 transitions. [2022-10-16 02:52:01,455 INFO L78 Accepts]: Start accepts. Automaton has 91472 states and 147990 transitions. Word has length 128 [2022-10-16 02:52:01,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:01,456 INFO L495 AbstractCegarLoop]: Abstraction has 91472 states and 147990 transitions. [2022-10-16 02:52:01,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 91472 states and 147990 transitions. [2022-10-16 02:52:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 02:52:01,471 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:01,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:01,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 02:52:01,473 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:01,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:01,474 INFO L85 PathProgramCache]: Analyzing trace with hash 967069717, now seen corresponding path program 1 times [2022-10-16 02:52:01,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:01,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386239809] [2022-10-16 02:52:01,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:01,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:01,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:01,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386239809] [2022-10-16 02:52:01,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386239809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:01,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:01,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:52:01,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465429086] [2022-10-16 02:52:01,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:01,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:52:01,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:01,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:52:01,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:52:01,905 INFO L87 Difference]: Start difference. First operand 91472 states and 147990 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:02,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:02,976 INFO L93 Difference]: Finished difference Result 176240 states and 283548 transitions. [2022-10-16 02:52:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:52:02,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 02:52:02,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:03,282 INFO L225 Difference]: With dead ends: 176240 [2022-10-16 02:52:03,282 INFO L226 Difference]: Without dead ends: 176240 [2022-10-16 02:52:03,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:52:03,283 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 337 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:03,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 2496 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:03,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176240 states. [2022-10-16 02:52:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176240 to 176238. [2022-10-16 02:52:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176238 states, 176237 states have (on average 1.60889597530598) internal successors, (283547), 176237 states have internal predecessors, (283547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176238 states to 176238 states and 283547 transitions. [2022-10-16 02:52:07,286 INFO L78 Accepts]: Start accepts. Automaton has 176238 states and 283547 transitions. Word has length 131 [2022-10-16 02:52:07,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:07,290 INFO L495 AbstractCegarLoop]: Abstraction has 176238 states and 283547 transitions. [2022-10-16 02:52:07,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 176238 states and 283547 transitions. [2022-10-16 02:52:07,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 02:52:07,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:07,298 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] [2022-10-16 02:52:07,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 02:52:07,298 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:07,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash -516955133, now seen corresponding path program 1 times [2022-10-16 02:52:07,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:07,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823250750] [2022-10-16 02:52:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:52:08,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:08,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823250750] [2022-10-16 02:52:08,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823250750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:08,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:08,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 02:52:08,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501770115] [2022-10-16 02:52:08,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:08,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:52:08,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:08,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:52:08,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:52:08,410 INFO L87 Difference]: Start difference. First operand 176238 states and 283547 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:10,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:10,251 INFO L93 Difference]: Finished difference Result 339557 states and 540009 transitions. [2022-10-16 02:52:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 02:52:10,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 02:52:10,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:11,128 INFO L225 Difference]: With dead ends: 339557 [2022-10-16 02:52:11,128 INFO L226 Difference]: Without dead ends: 339557 [2022-10-16 02:52:11,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-10-16 02:52:11,129 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1612 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:11,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 3121 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:52:11,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339557 states. [2022-10-16 02:52:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339557 to 182046. [2022-10-16 02:52:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182046 states, 182045 states have (on average 1.58932132165124) internal successors, (289328), 182045 states have internal predecessors, (289328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:16,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182046 states to 182046 states and 289328 transitions. [2022-10-16 02:52:16,572 INFO L78 Accepts]: Start accepts. Automaton has 182046 states and 289328 transitions. Word has length 132 [2022-10-16 02:52:16,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:16,573 INFO L495 AbstractCegarLoop]: Abstraction has 182046 states and 289328 transitions. [2022-10-16 02:52:16,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 182046 states and 289328 transitions. [2022-10-16 02:52:16,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 02:52:16,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:16,580 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:16,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 02:52:16,580 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:16,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:16,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2118675958, now seen corresponding path program 1 times [2022-10-16 02:52:16,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:16,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571460571] [2022-10-16 02:52:16,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:16,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:52:16,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:16,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571460571] [2022-10-16 02:52:16,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571460571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:16,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:16,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:52:16,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644238063] [2022-10-16 02:52:16,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:16,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:52:16,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:16,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:52:16,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:52:16,916 INFO L87 Difference]: Start difference. First operand 182046 states and 289328 transitions. Second operand has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 6 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:19,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:19,532 INFO L93 Difference]: Finished difference Result 417406 states and 664082 transitions. [2022-10-16 02:52:19,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:52:19,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 6 states have internal predecessors, (169), 0 states have call successors, (0), 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 170 [2022-10-16 02:52:19,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:20,596 INFO L225 Difference]: With dead ends: 417406 [2022-10-16 02:52:20,596 INFO L226 Difference]: Without dead ends: 417406 [2022-10-16 02:52:20,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:52:20,597 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 1466 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:20,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 2594 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:20,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417406 states. [2022-10-16 02:52:27,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417406 to 293262. [2022-10-16 02:52:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293262 states, 293261 states have (on average 1.5872072999819273) internal successors, (465466), 293261 states have internal predecessors, (465466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293262 states to 293262 states and 465466 transitions. [2022-10-16 02:52:28,682 INFO L78 Accepts]: Start accepts. Automaton has 293262 states and 465466 transitions. Word has length 170 [2022-10-16 02:52:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:28,683 INFO L495 AbstractCegarLoop]: Abstraction has 293262 states and 465466 transitions. [2022-10-16 02:52:28,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 6 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 293262 states and 465466 transitions. [2022-10-16 02:52:28,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 02:52:28,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:28,692 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:28,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 02:52:28,693 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:28,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:28,694 INFO L85 PathProgramCache]: Analyzing trace with hash 334491776, now seen corresponding path program 1 times [2022-10-16 02:52:28,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:28,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510880510] [2022-10-16 02:52:28,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:28,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 02:52:29,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:29,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510880510] [2022-10-16 02:52:29,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510880510] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:29,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:29,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:52:29,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984299649] [2022-10-16 02:52:29,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:29,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:52:29,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:29,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:52:29,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:52:29,860 INFO L87 Difference]: Start difference. First operand 293262 states and 465466 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:33,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:33,049 INFO L93 Difference]: Finished difference Result 481294 states and 766310 transitions. [2022-10-16 02:52:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:52:33,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 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 170 [2022-10-16 02:52:33,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:34,145 INFO L225 Difference]: With dead ends: 481294 [2022-10-16 02:52:34,145 INFO L226 Difference]: Without dead ends: 481294 [2022-10-16 02:52:34,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:52:34,150 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 1471 mSDsluCounter, 2066 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 2811 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:34,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 2811 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:34,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481294 states. [2022-10-16 02:52:41,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481294 to 397118. [2022-10-16 02:52:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397118 states, 397117 states have (on average 1.5884235628290906) internal successors, (630790), 397117 states have internal predecessors, (630790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397118 states to 397118 states and 630790 transitions. [2022-10-16 02:52:47,150 INFO L78 Accepts]: Start accepts. Automaton has 397118 states and 630790 transitions. Word has length 170 [2022-10-16 02:52:47,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:52:47,156 INFO L495 AbstractCegarLoop]: Abstraction has 397118 states and 630790 transitions. [2022-10-16 02:52:47,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 397118 states and 630790 transitions. [2022-10-16 02:52:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 02:52:47,166 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:52:47,166 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:52:47,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 02:52:47,167 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:52:47,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:52:47,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1656773942, now seen corresponding path program 1 times [2022-10-16 02:52:47,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:52:47,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748568911] [2022-10-16 02:52:47,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:52:47,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:52:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:52:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 02:52:47,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:52:47,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748568911] [2022-10-16 02:52:47,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748568911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:52:47,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:52:47,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:52:47,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421529473] [2022-10-16 02:52:47,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:52:47,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:52:47,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:52:47,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:52:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:52:47,477 INFO L87 Difference]: Start difference. First operand 397118 states and 630790 transitions. Second operand has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:52:51,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:52:51,041 INFO L93 Difference]: Finished difference Result 513334 states and 817390 transitions. [2022-10-16 02:52:51,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:52:51,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 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 170 [2022-10-16 02:52:51,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:52:52,789 INFO L225 Difference]: With dead ends: 513334 [2022-10-16 02:52:52,789 INFO L226 Difference]: Without dead ends: 513334 [2022-10-16 02:52:52,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:52:52,794 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1337 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:52:52,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 2938 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:52:53,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513334 states. [2022-10-16 02:53:01,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513334 to 460174. [2022-10-16 02:53:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460174 states, 460173 states have (on average 1.589649979464245) internal successors, (731514), 460173 states have internal predecessors, (731514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460174 states to 460174 states and 731514 transitions. [2022-10-16 02:53:04,495 INFO L78 Accepts]: Start accepts. Automaton has 460174 states and 731514 transitions. Word has length 170 [2022-10-16 02:53:04,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:53:04,495 INFO L495 AbstractCegarLoop]: Abstraction has 460174 states and 731514 transitions. [2022-10-16 02:53:04,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 460174 states and 731514 transitions. [2022-10-16 02:53:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 02:53:04,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:53:04,502 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:53:04,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 02:53:04,502 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:53:04,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:53:04,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1700440384, now seen corresponding path program 1 times [2022-10-16 02:53:04,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:53:04,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608765108] [2022-10-16 02:53:04,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:53:04,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:53:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:53:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 02:53:04,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:53:04,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608765108] [2022-10-16 02:53:04,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608765108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:53:04,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:53:04,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 02:53:04,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929877012] [2022-10-16 02:53:04,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:53:04,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 02:53:04,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:53:04,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 02:53:04,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 02:53:04,772 INFO L87 Difference]: Start difference. First operand 460174 states and 731514 transitions. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:07,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:53:07,666 INFO L93 Difference]: Finished difference Result 564630 states and 899322 transitions. [2022-10-16 02:53:07,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 02:53:07,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 0 states have call successors, (0), 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 170 [2022-10-16 02:53:07,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:53:09,932 INFO L225 Difference]: With dead ends: 564630 [2022-10-16 02:53:09,932 INFO L226 Difference]: Without dead ends: 564630 [2022-10-16 02:53:09,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 02:53:09,935 INFO L413 NwaCegarLoop]: 750 mSDtfsCounter, 1408 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:53:09,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 2943 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:53:10,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564630 states. [2022-10-16 02:53:21,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564630 to 523230. [2022-10-16 02:53:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523230 states, 523229 states have (on average 1.5905807973181914) internal successors, (832238), 523229 states have internal predecessors, (832238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523230 states to 523230 states and 832238 transitions. [2022-10-16 02:53:25,643 INFO L78 Accepts]: Start accepts. Automaton has 523230 states and 832238 transitions. Word has length 170 [2022-10-16 02:53:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:53:25,643 INFO L495 AbstractCegarLoop]: Abstraction has 523230 states and 832238 transitions. [2022-10-16 02:53:25,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 523230 states and 832238 transitions. [2022-10-16 02:53:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 02:53:25,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:53:25,650 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:53:25,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 02:53:25,652 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:53:25,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:53:25,652 INFO L85 PathProgramCache]: Analyzing trace with hash 945915429, now seen corresponding path program 1 times [2022-10-16 02:53:25,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:53:25,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821075885] [2022-10-16 02:53:25,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:53:25,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:53:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:53:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:53:25,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:53:25,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821075885] [2022-10-16 02:53:25,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821075885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:53:25,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:53:25,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 02:53:25,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491133127] [2022-10-16 02:53:25,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:53:25,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 02:53:25,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:53:25,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 02:53:25,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:53:25,865 INFO L87 Difference]: Start difference. First operand 523230 states and 832238 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:29,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:53:29,018 INFO L93 Difference]: Finished difference Result 660865 states and 1051450 transitions. [2022-10-16 02:53:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 02:53:29,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 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 171 [2022-10-16 02:53:29,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:53:31,265 INFO L225 Difference]: With dead ends: 660865 [2022-10-16 02:53:31,265 INFO L226 Difference]: Without dead ends: 660865 [2022-10-16 02:53:31,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 02:53:31,266 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 369 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:53:31,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1752 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:53:31,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660865 states. [2022-10-16 02:53:41,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660865 to 632253. [2022-10-16 02:53:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632253 states, 632252 states have (on average 1.5902646413139065) internal successors, (1005448), 632252 states have internal predecessors, (1005448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:48,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632253 states to 632253 states and 1005448 transitions. [2022-10-16 02:53:48,824 INFO L78 Accepts]: Start accepts. Automaton has 632253 states and 1005448 transitions. Word has length 171 [2022-10-16 02:53:48,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:53:48,824 INFO L495 AbstractCegarLoop]: Abstraction has 632253 states and 1005448 transitions. [2022-10-16 02:53:48,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 632253 states and 1005448 transitions. [2022-10-16 02:53:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 02:53:48,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:53:48,832 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:53:48,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 02:53:48,833 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:53:48,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:53:48,833 INFO L85 PathProgramCache]: Analyzing trace with hash 968547683, now seen corresponding path program 1 times [2022-10-16 02:53:48,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:53:48,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601556423] [2022-10-16 02:53:48,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:53:48,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:53:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:53:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:53:49,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:53:49,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601556423] [2022-10-16 02:53:49,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601556423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:53:49,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:53:49,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:53:49,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157938010] [2022-10-16 02:53:49,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:53:49,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:53:49,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:53:49,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:53:49,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:53:49,017 INFO L87 Difference]: Start difference. First operand 632253 states and 1005448 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:53:56,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:53:56,280 INFO L93 Difference]: Finished difference Result 1048427 states and 1665984 transitions. [2022-10-16 02:53:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:53:56,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 171 [2022-10-16 02:53:56,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:54:00,702 INFO L225 Difference]: With dead ends: 1048427 [2022-10-16 02:54:00,702 INFO L226 Difference]: Without dead ends: 1048427 [2022-10-16 02:54:00,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:54:00,703 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 169 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:54:00,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1007 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:54:01,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048427 states.