/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:46:16,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:46:16,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:46:16,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 17:46:16,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:46:16,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:46:16,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:46:16,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:46:16,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:46:16,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:46:16,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:46:16,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:46:16,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:46:16,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:46:16,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:46:16,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:46:16,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:46:16,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:46:16,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:46:16,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:46:16,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 17:46:16,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:46:16,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:46:16,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:46:16,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:46:16,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:46:16,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:46:16,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:46:16,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:46:16,635 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:46:16,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:46:16,635 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:46:16,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:46:16,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:46:16,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:46:16,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:46:16,637 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:46:16,638 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:46:16,638 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:46:16,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:46:16,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:46:16,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:46:16,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:46:16,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:46:16,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:46:16,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:46:16,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:46:16,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:46:16,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:46:16,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:46:16,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:46:16,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:46:17,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:46:17,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:46:17,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:46:17,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:46:17,061 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:46:17,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:46:17,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa41160c/c16a4f5e9cc340a2a40eb55268856040/FLAGc9be30626 [2022-10-15 17:46:17,977 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:46:17,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:46:18,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa41160c/c16a4f5e9cc340a2a40eb55268856040/FLAGc9be30626 [2022-10-15 17:46:18,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa41160c/c16a4f5e9cc340a2a40eb55268856040 [2022-10-15 17:46:18,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:46:18,151 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:46:18,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:46:18,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:46:18,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:46:18,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:46:18" (1/1) ... [2022-10-15 17:46:18,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16904183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:18, skipping insertion in model container [2022-10-15 17:46:18,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:46:18" (1/1) ... [2022-10-15 17:46:18,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:46:18,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:46:19,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[34536,34549] [2022-10-15 17:46:19,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:46:19,347 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:46:19,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[34536,34549] [2022-10-15 17:46:19,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:46:19,810 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:46:19,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19 WrapperNode [2022-10-15 17:46:19,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:46:19,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:46:19,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:46:19,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:46:19,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:19,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:19,979 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2898 [2022-10-15 17:46:19,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:46:19,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:46:19,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:46:19,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:46:19,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:19,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:20,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:20,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:20,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:20,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:20,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:20,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:20,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:46:20,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:46:20,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:46:20,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:46:20,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (1/1) ... [2022-10-15 17:46:20,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:46:20,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:46:20,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 17:46:20,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 17:46:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:46:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:46:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:46:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:46:20,545 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:46:20,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:46:22,679 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:46:22,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:46:22,700 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 17:46:22,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:46:22 BoogieIcfgContainer [2022-10-15 17:46:22,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:46:22,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:46:22,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:46:22,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:46:22,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:46:18" (1/3) ... [2022-10-15 17:46:22,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b96804f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:46:22, skipping insertion in model container [2022-10-15 17:46:22,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:46:19" (2/3) ... [2022-10-15 17:46:22,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b96804f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:46:22, skipping insertion in model container [2022-10-15 17:46:22,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:46:22" (3/3) ... [2022-10-15 17:46:22,714 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 17:46:22,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:46:22,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:46:22,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:46:22,815 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;@1d0bffe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:46:22,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:46:22,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 785 states, 782 states have (on average 1.7864450127877238) internal successors, (1397), 784 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 17:46:22,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:22,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:22,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:22,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:22,851 INFO L85 PathProgramCache]: Analyzing trace with hash -486202411, now seen corresponding path program 1 times [2022-10-15 17:46:22,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:22,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829377249] [2022-10-15 17:46:22,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:23,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:23,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829377249] [2022-10-15 17:46:23,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829377249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:23,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:23,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:46:23,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197169460] [2022-10-15 17:46:23,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:23,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:23,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:23,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:23,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:23,536 INFO L87 Difference]: Start difference. First operand has 785 states, 782 states have (on average 1.7864450127877238) internal successors, (1397), 784 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:23,687 INFO L93 Difference]: Finished difference Result 784 states and 1395 transitions. [2022-10-15 17:46:23,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:23,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-15 17:46:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:23,712 INFO L225 Difference]: With dead ends: 784 [2022-10-15 17:46:23,712 INFO L226 Difference]: Without dead ends: 781 [2022-10-15 17:46:23,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:23,719 INFO L413 NwaCegarLoop]: 1394 mSDtfsCounter, 1344 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:23,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1394 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:46:23,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2022-10-15 17:46:23,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2022-10-15 17:46:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 780 states have (on average 1.564102564102564) internal successors, (1220), 780 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1220 transitions. [2022-10-15 17:46:23,817 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1220 transitions. Word has length 52 [2022-10-15 17:46:23,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:23,818 INFO L495 AbstractCegarLoop]: Abstraction has 781 states and 1220 transitions. [2022-10-15 17:46:23,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1220 transitions. [2022-10-15 17:46:23,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-10-15 17:46:23,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:23,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:23,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:46:23,838 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:23,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:23,839 INFO L85 PathProgramCache]: Analyzing trace with hash -404802235, now seen corresponding path program 1 times [2022-10-15 17:46:23,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:23,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708048014] [2022-10-15 17:46:23,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:23,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:24,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:24,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708048014] [2022-10-15 17:46:24,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708048014] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:24,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:24,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:24,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044167633] [2022-10-15 17:46:24,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:24,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:24,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:24,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:24,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:24,541 INFO L87 Difference]: Start difference. First operand 781 states and 1220 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:24,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:24,710 INFO L93 Difference]: Finished difference Result 1249 states and 1943 transitions. [2022-10-15 17:46:24,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:24,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 322 [2022-10-15 17:46:24,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:24,727 INFO L225 Difference]: With dead ends: 1249 [2022-10-15 17:46:24,728 INFO L226 Difference]: Without dead ends: 1249 [2022-10-15 17:46:24,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:24,736 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 684 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 2118 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:24,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 2118 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:46:24,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-10-15 17:46:24,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1247. [2022-10-15 17:46:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1246 states have (on average 1.5585874799357946) internal successors, (1942), 1246 states have internal predecessors, (1942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1942 transitions. [2022-10-15 17:46:24,818 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1942 transitions. Word has length 322 [2022-10-15 17:46:24,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:24,821 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1942 transitions. [2022-10-15 17:46:24,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1942 transitions. [2022-10-15 17:46:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-10-15 17:46:24,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:24,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:24,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:46:24,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:24,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:24,839 INFO L85 PathProgramCache]: Analyzing trace with hash -177646589, now seen corresponding path program 1 times [2022-10-15 17:46:24,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:24,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095574263] [2022-10-15 17:46:24,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:24,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:26,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:26,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095574263] [2022-10-15 17:46:26,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095574263] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:26,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:26,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:46:26,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312576110] [2022-10-15 17:46:26,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:26,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:46:26,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:26,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:46:26,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:46:26,389 INFO L87 Difference]: Start difference. First operand 1247 states and 1942 transitions. Second operand has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:26,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:26,532 INFO L93 Difference]: Finished difference Result 2453 states and 3796 transitions. [2022-10-15 17:46:26,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:46:26,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 0 states have call successors, (0), 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 322 [2022-10-15 17:46:26,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:26,548 INFO L225 Difference]: With dead ends: 2453 [2022-10-15 17:46:26,548 INFO L226 Difference]: Without dead ends: 2453 [2022-10-15 17:46:26,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:46:26,550 INFO L413 NwaCegarLoop]: 1901 mSDtfsCounter, 2757 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2757 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:26,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2757 Valid, 3055 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:46:26,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2453 states. [2022-10-15 17:46:26,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2453 to 2451. [2022-10-15 17:46:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 2450 states have (on average 1.5489795918367346) internal successors, (3795), 2450 states have internal predecessors, (3795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3795 transitions. [2022-10-15 17:46:26,633 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3795 transitions. Word has length 322 [2022-10-15 17:46:26,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:26,634 INFO L495 AbstractCegarLoop]: Abstraction has 2451 states and 3795 transitions. [2022-10-15 17:46:26,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:26,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3795 transitions. [2022-10-15 17:46:26,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-10-15 17:46:26,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:26,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:26,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:46:26,644 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:26,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash 888222084, now seen corresponding path program 1 times [2022-10-15 17:46:26,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:26,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570420313] [2022-10-15 17:46:26,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:26,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:26,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:26,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570420313] [2022-10-15 17:46:26,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570420313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:26,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:26,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:26,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730231402] [2022-10-15 17:46:26,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:26,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:26,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:26,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:26,950 INFO L87 Difference]: Start difference. First operand 2451 states and 3795 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:27,072 INFO L93 Difference]: Finished difference Result 4808 states and 7400 transitions. [2022-10-15 17:46:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:27,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 324 [2022-10-15 17:46:27,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:27,098 INFO L225 Difference]: With dead ends: 4808 [2022-10-15 17:46:27,098 INFO L226 Difference]: Without dead ends: 4808 [2022-10-15 17:46:27,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:27,100 INFO L413 NwaCegarLoop]: 2359 mSDtfsCounter, 1077 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:27,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 3513 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:46:27,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2022-10-15 17:46:27,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 4806. [2022-10-15 17:46:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 4805 states have (on average 1.5398543184183142) internal successors, (7399), 4805 states have internal predecessors, (7399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:27,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 7399 transitions. [2022-10-15 17:46:27,294 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 7399 transitions. Word has length 324 [2022-10-15 17:46:27,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:27,295 INFO L495 AbstractCegarLoop]: Abstraction has 4806 states and 7399 transitions. [2022-10-15 17:46:27,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:27,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 7399 transitions. [2022-10-15 17:46:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-10-15 17:46:27,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:27,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:27,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:46:27,309 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:27,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:27,310 INFO L85 PathProgramCache]: Analyzing trace with hash -844976183, now seen corresponding path program 1 times [2022-10-15 17:46:27,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:27,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813447732] [2022-10-15 17:46:27,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:27,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:27,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813447732] [2022-10-15 17:46:27,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813447732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:27,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:27,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:27,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010619392] [2022-10-15 17:46:27,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:27,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:27,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:27,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:27,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:27,525 INFO L87 Difference]: Start difference. First operand 4806 states and 7399 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:27,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:27,616 INFO L93 Difference]: Finished difference Result 9583 states and 14742 transitions. [2022-10-15 17:46:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:27,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 324 [2022-10-15 17:46:27,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:27,682 INFO L225 Difference]: With dead ends: 9583 [2022-10-15 17:46:27,682 INFO L226 Difference]: Without dead ends: 9583 [2022-10-15 17:46:27,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:27,684 INFO L413 NwaCegarLoop]: 2414 mSDtfsCounter, 1204 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 3619 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:27,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 3619 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:46:27,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9583 states. [2022-10-15 17:46:27,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9583 to 4825. [2022-10-15 17:46:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 4824 states have (on average 1.5395936981757876) internal successors, (7427), 4824 states have internal predecessors, (7427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 7427 transitions. [2022-10-15 17:46:28,006 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 7427 transitions. Word has length 324 [2022-10-15 17:46:28,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:28,007 INFO L495 AbstractCegarLoop]: Abstraction has 4825 states and 7427 transitions. [2022-10-15 17:46:28,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:28,007 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 7427 transitions. [2022-10-15 17:46:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-10-15 17:46:28,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:28,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:28,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:46:28,028 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:28,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:28,029 INFO L85 PathProgramCache]: Analyzing trace with hash 167963603, now seen corresponding path program 1 times [2022-10-15 17:46:28,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:28,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828950810] [2022-10-15 17:46:28,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:28,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:28,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:28,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828950810] [2022-10-15 17:46:28,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828950810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:28,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:28,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:28,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135151369] [2022-10-15 17:46:28,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:28,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:28,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:28,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:28,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:28,281 INFO L87 Difference]: Start difference. First operand 4825 states and 7427 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:28,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:28,373 INFO L93 Difference]: Finished difference Result 9601 states and 14763 transitions. [2022-10-15 17:46:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:28,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 325 [2022-10-15 17:46:28,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:28,419 INFO L225 Difference]: With dead ends: 9601 [2022-10-15 17:46:28,419 INFO L226 Difference]: Without dead ends: 9601 [2022-10-15 17:46:28,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:28,421 INFO L413 NwaCegarLoop]: 2414 mSDtfsCounter, 1199 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 3619 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:28,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 3619 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:46:28,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9601 states. [2022-10-15 17:46:28,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9601 to 4843. [2022-10-15 17:46:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4843 states, 4842 states have (on average 1.5382073523337463) internal successors, (7448), 4842 states have internal predecessors, (7448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:28,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4843 states and 7448 transitions. [2022-10-15 17:46:28,621 INFO L78 Accepts]: Start accepts. Automaton has 4843 states and 7448 transitions. Word has length 325 [2022-10-15 17:46:28,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:28,622 INFO L495 AbstractCegarLoop]: Abstraction has 4843 states and 7448 transitions. [2022-10-15 17:46:28,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 7448 transitions. [2022-10-15 17:46:28,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-10-15 17:46:28,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:28,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:28,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:46:28,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:28,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:28,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1702930433, now seen corresponding path program 1 times [2022-10-15 17:46:28,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:28,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839995746] [2022-10-15 17:46:28,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:28,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:28,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:28,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839995746] [2022-10-15 17:46:28,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839995746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:28,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:28,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:28,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323530374] [2022-10-15 17:46:28,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:28,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:28,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:28,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:28,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:28,971 INFO L87 Difference]: Start difference. First operand 4843 states and 7448 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:29,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:29,156 INFO L93 Difference]: Finished difference Result 9404 states and 14357 transitions. [2022-10-15 17:46:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:29,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 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 326 [2022-10-15 17:46:29,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:29,186 INFO L225 Difference]: With dead ends: 9404 [2022-10-15 17:46:29,186 INFO L226 Difference]: Without dead ends: 9404 [2022-10-15 17:46:29,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:29,188 INFO L413 NwaCegarLoop]: 2366 mSDtfsCounter, 1071 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:29,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 3520 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:46:29,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9404 states. [2022-10-15 17:46:29,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9404 to 9402. [2022-10-15 17:46:29,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9402 states, 9401 states have (on average 1.5270715881289225) internal successors, (14356), 9401 states have internal predecessors, (14356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9402 states to 9402 states and 14356 transitions. [2022-10-15 17:46:29,519 INFO L78 Accepts]: Start accepts. Automaton has 9402 states and 14356 transitions. Word has length 326 [2022-10-15 17:46:29,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:29,520 INFO L495 AbstractCegarLoop]: Abstraction has 9402 states and 14356 transitions. [2022-10-15 17:46:29,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:29,521 INFO L276 IsEmpty]: Start isEmpty. Operand 9402 states and 14356 transitions. [2022-10-15 17:46:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-10-15 17:46:29,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:29,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:29,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:46:29,544 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:29,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:29,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1284193380, now seen corresponding path program 1 times [2022-10-15 17:46:29,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:29,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523006280] [2022-10-15 17:46:29,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:29,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:30,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:30,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523006280] [2022-10-15 17:46:30,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523006280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:30,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:30,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:46:30,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909200627] [2022-10-15 17:46:30,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:30,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:46:30,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:30,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:46:30,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:46:30,525 INFO L87 Difference]: Start difference. First operand 9402 states and 14356 transitions. Second operand has 5 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:30,837 INFO L93 Difference]: Finished difference Result 18265 states and 27666 transitions. [2022-10-15 17:46:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:46:30,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 0 states have call successors, (0), 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 326 [2022-10-15 17:46:30,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:30,877 INFO L225 Difference]: With dead ends: 18265 [2022-10-15 17:46:30,878 INFO L226 Difference]: Without dead ends: 18265 [2022-10-15 17:46:30,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:46:30,879 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 2857 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2857 SdHoareTripleChecker+Valid, 4197 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:30,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2857 Valid, 4197 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:46:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18265 states. [2022-10-15 17:46:31,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18265 to 18263. [2022-10-15 17:46:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18263 states, 18262 states have (on average 1.5148943160661483) internal successors, (27665), 18262 states have internal predecessors, (27665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18263 states to 18263 states and 27665 transitions. [2022-10-15 17:46:31,371 INFO L78 Accepts]: Start accepts. Automaton has 18263 states and 27665 transitions. Word has length 326 [2022-10-15 17:46:31,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:31,371 INFO L495 AbstractCegarLoop]: Abstraction has 18263 states and 27665 transitions. [2022-10-15 17:46:31,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 18263 states and 27665 transitions. [2022-10-15 17:46:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-10-15 17:46:31,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:31,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:31,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:46:31,410 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:31,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:31,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1840045812, now seen corresponding path program 1 times [2022-10-15 17:46:31,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:31,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399931915] [2022-10-15 17:46:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:32,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:32,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399931915] [2022-10-15 17:46:32,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399931915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:32,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:32,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 17:46:32,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343328786] [2022-10-15 17:46:32,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:32,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 17:46:32,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:32,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 17:46:32,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 17:46:32,422 INFO L87 Difference]: Start difference. First operand 18263 states and 27665 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:32,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:32,802 INFO L93 Difference]: Finished difference Result 35665 states and 53601 transitions. [2022-10-15 17:46:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:46:32,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 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 328 [2022-10-15 17:46:32,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:32,889 INFO L225 Difference]: With dead ends: 35665 [2022-10-15 17:46:32,890 INFO L226 Difference]: Without dead ends: 35665 [2022-10-15 17:46:32,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:46:32,891 INFO L413 NwaCegarLoop]: 1804 mSDtfsCounter, 2764 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2764 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:32,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 2948 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:46:32,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35665 states. [2022-10-15 17:46:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35665 to 35663. [2022-10-15 17:46:33,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35663 states, 35662 states have (on average 1.5030003925747295) internal successors, (53600), 35662 states have internal predecessors, (53600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35663 states to 35663 states and 53600 transitions. [2022-10-15 17:46:33,772 INFO L78 Accepts]: Start accepts. Automaton has 35663 states and 53600 transitions. Word has length 328 [2022-10-15 17:46:33,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:33,773 INFO L495 AbstractCegarLoop]: Abstraction has 35663 states and 53600 transitions. [2022-10-15 17:46:33,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 35663 states and 53600 transitions. [2022-10-15 17:46:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-10-15 17:46:33,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:33,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:33,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:46:33,838 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:33,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:33,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1154074372, now seen corresponding path program 1 times [2022-10-15 17:46:33,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:33,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882345840] [2022-10-15 17:46:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:33,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:34,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:34,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882345840] [2022-10-15 17:46:34,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882345840] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:34,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:34,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:34,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300024367] [2022-10-15 17:46:34,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:34,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:34,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:34,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:34,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:34,325 INFO L87 Difference]: Start difference. First operand 35663 states and 53600 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:34,721 INFO L93 Difference]: Finished difference Result 69795 states and 104131 transitions. [2022-10-15 17:46:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:34,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 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 330 [2022-10-15 17:46:34,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:34,902 INFO L225 Difference]: With dead ends: 69795 [2022-10-15 17:46:34,903 INFO L226 Difference]: Without dead ends: 69795 [2022-10-15 17:46:34,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:34,905 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 1051 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 3476 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:34,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 3476 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:46:35,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69795 states. [2022-10-15 17:46:36,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69795 to 69793. [2022-10-15 17:46:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69793 states, 69792 states have (on average 1.4920048143053646) internal successors, (104130), 69792 states have internal predecessors, (104130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69793 states to 69793 states and 104130 transitions. [2022-10-15 17:46:36,763 INFO L78 Accepts]: Start accepts. Automaton has 69793 states and 104130 transitions. Word has length 330 [2022-10-15 17:46:36,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:36,764 INFO L495 AbstractCegarLoop]: Abstraction has 69793 states and 104130 transitions. [2022-10-15 17:46:36,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 69793 states and 104130 transitions. [2022-10-15 17:46:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-10-15 17:46:36,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:36,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:36,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:46:36,861 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash 653565193, now seen corresponding path program 1 times [2022-10-15 17:46:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:36,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691929079] [2022-10-15 17:46:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:37,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:37,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691929079] [2022-10-15 17:46:37,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691929079] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:37,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:37,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:37,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946571886] [2022-10-15 17:46:37,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:37,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:37,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:37,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:37,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:37,191 INFO L87 Difference]: Start difference. First operand 69793 states and 104130 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:37,751 INFO L93 Difference]: Finished difference Result 139233 states and 207627 transitions. [2022-10-15 17:46:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:37,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 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 330 [2022-10-15 17:46:37,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:38,224 INFO L225 Difference]: With dead ends: 139233 [2022-10-15 17:46:38,225 INFO L226 Difference]: Without dead ends: 139233 [2022-10-15 17:46:38,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:38,226 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 1171 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 3586 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:38,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 3586 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:46:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139233 states. [2022-10-15 17:46:40,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139233 to 69983. [2022-10-15 17:46:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69983 states, 69982 states have (on average 1.4919550741619274) internal successors, (104410), 69982 states have internal predecessors, (104410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69983 states to 69983 states and 104410 transitions. [2022-10-15 17:46:40,945 INFO L78 Accepts]: Start accepts. Automaton has 69983 states and 104410 transitions. Word has length 330 [2022-10-15 17:46:40,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:40,945 INFO L495 AbstractCegarLoop]: Abstraction has 69983 states and 104410 transitions. [2022-10-15 17:46:40,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 69983 states and 104410 transitions. [2022-10-15 17:46:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-10-15 17:46:41,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:41,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:41,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:46:41,099 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:41,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:41,100 INFO L85 PathProgramCache]: Analyzing trace with hash -2108005747, now seen corresponding path program 1 times [2022-10-15 17:46:41,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:41,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672909020] [2022-10-15 17:46:41,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:41,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:41,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672909020] [2022-10-15 17:46:41,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672909020] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:41,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:41,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:41,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109280902] [2022-10-15 17:46:41,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:41,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:41,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:41,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:41,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:41,612 INFO L87 Difference]: Start difference. First operand 69983 states and 104410 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:42,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:42,221 INFO L93 Difference]: Finished difference Result 139395 states and 207813 transitions. [2022-10-15 17:46:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:42,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 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 331 [2022-10-15 17:46:42,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:42,812 INFO L225 Difference]: With dead ends: 139395 [2022-10-15 17:46:42,812 INFO L226 Difference]: Without dead ends: 139395 [2022-10-15 17:46:42,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:42,815 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 1166 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 3586 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:42,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 3586 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:46:42,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139395 states. [2022-10-15 17:46:44,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139395 to 70145. [2022-10-15 17:46:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70145 states, 70144 states have (on average 1.4911610401459854) internal successors, (104596), 70144 states have internal predecessors, (104596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70145 states to 70145 states and 104596 transitions. [2022-10-15 17:46:44,821 INFO L78 Accepts]: Start accepts. Automaton has 70145 states and 104596 transitions. Word has length 331 [2022-10-15 17:46:44,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:44,822 INFO L495 AbstractCegarLoop]: Abstraction has 70145 states and 104596 transitions. [2022-10-15 17:46:44,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:44,822 INFO L276 IsEmpty]: Start isEmpty. Operand 70145 states and 104596 transitions. [2022-10-15 17:46:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-10-15 17:46:44,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:44,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:44,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:46:44,900 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:44,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash -917478145, now seen corresponding path program 1 times [2022-10-15 17:46:44,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:44,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312390289] [2022-10-15 17:46:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:45,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:45,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312390289] [2022-10-15 17:46:45,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312390289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:45,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:45,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:45,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753146770] [2022-10-15 17:46:45,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:45,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:45,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:45,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:45,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:45,138 INFO L87 Difference]: Start difference. First operand 70145 states and 104596 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:45,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:45,959 INFO L93 Difference]: Finished difference Result 136873 states and 202527 transitions. [2022-10-15 17:46:45,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:46:45,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 332 [2022-10-15 17:46:45,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:46,226 INFO L225 Difference]: With dead ends: 136873 [2022-10-15 17:46:46,227 INFO L226 Difference]: Without dead ends: 136873 [2022-10-15 17:46:46,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:46,231 INFO L413 NwaCegarLoop]: 2333 mSDtfsCounter, 1045 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 3487 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:46,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 3487 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:46:46,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136873 states. [2022-10-15 17:46:48,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136873 to 136871. [2022-10-15 17:46:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136871 states, 136870 states have (on average 1.479696061956601) internal successors, (202526), 136870 states have internal predecessors, (202526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136871 states to 136871 states and 202526 transitions. [2022-10-15 17:46:48,871 INFO L78 Accepts]: Start accepts. Automaton has 136871 states and 202526 transitions. Word has length 332 [2022-10-15 17:46:48,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:48,872 INFO L495 AbstractCegarLoop]: Abstraction has 136871 states and 202526 transitions. [2022-10-15 17:46:48,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 136871 states and 202526 transitions. [2022-10-15 17:46:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-10-15 17:46:49,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:49,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:49,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:46:49,025 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:49,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:49,026 INFO L85 PathProgramCache]: Analyzing trace with hash -214824356, now seen corresponding path program 1 times [2022-10-15 17:46:49,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:49,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850162874] [2022-10-15 17:46:49,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:49,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:50,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:50,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850162874] [2022-10-15 17:46:50,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850162874] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:50,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:50,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 17:46:50,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680252264] [2022-10-15 17:46:50,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:50,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 17:46:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 17:46:50,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:46:50,549 INFO L87 Difference]: Start difference. First operand 136871 states and 202526 transitions. Second operand has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:51,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:46:51,674 INFO L93 Difference]: Finished difference Result 265913 states and 389723 transitions. [2022-10-15 17:46:51,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 17:46:51,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 0 states have call successors, (0), 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 332 [2022-10-15 17:46:51,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:46:52,532 INFO L225 Difference]: With dead ends: 265913 [2022-10-15 17:46:52,533 INFO L226 Difference]: Without dead ends: 265913 [2022-10-15 17:46:52,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:46:52,537 INFO L413 NwaCegarLoop]: 1711 mSDtfsCounter, 4031 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4031 SdHoareTripleChecker+Valid, 2855 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 17:46:52,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4031 Valid, 2855 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 17:46:52,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265913 states. [2022-10-15 17:46:57,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265913 to 265911. [2022-10-15 17:46:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265911 states, 265910 states have (on average 1.4656161859275694) internal successors, (389722), 265910 states have internal predecessors, (389722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265911 states to 265911 states and 389722 transitions. [2022-10-15 17:46:58,958 INFO L78 Accepts]: Start accepts. Automaton has 265911 states and 389722 transitions. Word has length 332 [2022-10-15 17:46:58,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:46:58,959 INFO L495 AbstractCegarLoop]: Abstraction has 265911 states and 389722 transitions. [2022-10-15 17:46:58,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.4) internal successors, (332), 5 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:46:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 265911 states and 389722 transitions. [2022-10-15 17:46:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-10-15 17:46:59,148 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:46:59,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:46:59,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:46:59,149 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:46:59,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:46:59,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1786954416, now seen corresponding path program 1 times [2022-10-15 17:46:59,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:46:59,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137634978] [2022-10-15 17:46:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:46:59,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:46:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:46:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:46:59,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:46:59,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137634978] [2022-10-15 17:46:59,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137634978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:46:59,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:46:59,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:46:59,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186700520] [2022-10-15 17:46:59,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:46:59,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:46:59,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:46:59,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:46:59,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:46:59,380 INFO L87 Difference]: Start difference. First operand 265911 states and 389722 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:47:01,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:47:01,941 INFO L93 Difference]: Finished difference Result 495171 states and 718705 transitions. [2022-10-15 17:47:01,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:47:01,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 334 [2022-10-15 17:47:01,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:47:02,628 INFO L225 Difference]: With dead ends: 495171 [2022-10-15 17:47:02,628 INFO L226 Difference]: Without dead ends: 495171 [2022-10-15 17:47:02,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:47:02,630 INFO L413 NwaCegarLoop]: 2351 mSDtfsCounter, 1064 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:47:02,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 3505 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]