/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 02:42:09,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 02:42:09,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 02:42:09,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 02:42:09,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 02:42:09,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 02:42:09,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 02:42:09,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 02:42:09,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 02:42:09,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 02:42:09,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 02:42:09,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 02:42:09,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 02:42:09,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 02:42:09,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 02:42:09,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 02:42:09,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 02:42:09,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-16 02:42:09,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 02:42:09,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 02:42:09,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 02:42:09,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 02:42:09,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 02:42:09,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 02:42:09,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 02:42:09,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 02:42:09,873 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 02:42:09,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 02:42:09,875 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 02:42:09,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 02:42:09,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 02:42:09,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 02:42:09,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 02:42:09,876 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 02:42:09,876 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 02:42:09,877 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 02:42:09,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 02:42:09,877 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 02:42:09,877 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 02:42:09,878 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 02:42:09,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 02:42:09,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 02:42:09,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 02:42:09,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:42:09,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 02:42:09,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 02:42:09,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 02:42:09,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 02:42:09,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 02:42:10,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 02:42:10,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 02:42:10,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 02:42:10,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 02:42:10,333 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 02:42:10,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2022-10-16 02:42:10,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/785dd5a83/b53a6e499d054e439df8f6c84c91c347/FLAG738ddf5c3 [2022-10-16 02:42:11,058 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 02:42:11,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2022-10-16 02:42:11,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/785dd5a83/b53a6e499d054e439df8f6c84c91c347/FLAG738ddf5c3 [2022-10-16 02:42:11,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/785dd5a83/b53a6e499d054e439df8f6c84c91c347 [2022-10-16 02:42:11,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 02:42:11,422 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 02:42:11,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 02:42:11,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 02:42:11,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 02:42:11,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:11,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5767052b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11, skipping insertion in model container [2022-10-16 02:42:11,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:11,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 02:42:11,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 02:42:11,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2022-10-16 02:42:11,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:42:11,791 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 02:42:11,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2022-10-16 02:42:11,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 02:42:11,879 INFO L208 MainTranslator]: Completed translation [2022-10-16 02:42:11,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11 WrapperNode [2022-10-16 02:42:11,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 02:42:11,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 02:42:11,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 02:42:11,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 02:42:11,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:11,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:11,967 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 461 [2022-10-16 02:42:11,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 02:42:11,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 02:42:11,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 02:42:11,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 02:42:11,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:11,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:11,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:11,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:11,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:12,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:12,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:12,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:12,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 02:42:12,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 02:42:12,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 02:42:12,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 02:42:12,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (1/1) ... [2022-10-16 02:42:12,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 02:42:12,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:42:12,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 02:42:12,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 02:42:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 02:42:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 02:42:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 02:42:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 02:42:12,299 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 02:42:12,301 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 02:42:13,011 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 02:42:13,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 02:42:13,032 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 02:42:13,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:42:13 BoogieIcfgContainer [2022-10-16 02:42:13,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 02:42:13,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 02:42:13,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 02:42:13,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 02:42:13,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:42:11" (1/3) ... [2022-10-16 02:42:13,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b095c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:42:13, skipping insertion in model container [2022-10-16 02:42:13,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:42:11" (2/3) ... [2022-10-16 02:42:13,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b095c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:42:13, skipping insertion in model container [2022-10-16 02:42:13,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:42:13" (3/3) ... [2022-10-16 02:42:13,058 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2022-10-16 02:42:13,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 02:42:13,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 02:42:13,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 02:42:13,162 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;@161fee01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 02:42:13,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 02:42:13,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 143 states have (on average 1.7272727272727273) internal successors, (247), 145 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 02:42:13,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:13,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:13,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:13,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:13,190 INFO L85 PathProgramCache]: Analyzing trace with hash 646346929, now seen corresponding path program 1 times [2022-10-16 02:42:13,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:13,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060221913] [2022-10-16 02:42:13,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:13,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:13,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:13,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060221913] [2022-10-16 02:42:13,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060221913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:13,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:13,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:42:13,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538142513] [2022-10-16 02:42:13,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:13,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:42:13,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:13,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:42:13,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:42:13,746 INFO L87 Difference]: Start difference. First operand has 146 states, 143 states have (on average 1.7272727272727273) internal successors, (247), 145 states have internal predecessors, (247), 0 states have call successors, (0), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:13,883 INFO L93 Difference]: Finished difference Result 149 states and 246 transitions. [2022-10-16 02:42:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 02:42:13,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 02:42:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:13,900 INFO L225 Difference]: With dead ends: 149 [2022-10-16 02:42:13,901 INFO L226 Difference]: Without dead ends: 144 [2022-10-16 02:42:13,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 02:42:13,907 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 3 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:13,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 924 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:42:13,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-10-16 02:42:13,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2022-10-16 02:42:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 142 states have (on average 1.4154929577464788) internal successors, (201), 143 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 201 transitions. [2022-10-16 02:42:13,967 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 201 transitions. Word has length 10 [2022-10-16 02:42:13,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:13,967 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 201 transitions. [2022-10-16 02:42:13,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 201 transitions. [2022-10-16 02:42:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 02:42:13,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:13,970 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] [2022-10-16 02:42:13,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 02:42:13,971 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:13,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:13,972 INFO L85 PathProgramCache]: Analyzing trace with hash 387057193, now seen corresponding path program 1 times [2022-10-16 02:42:13,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:13,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964189475] [2022-10-16 02:42:13,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:13,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:14,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:14,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964189475] [2022-10-16 02:42:14,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964189475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:14,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:14,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:14,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808429260] [2022-10-16 02:42:14,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:14,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:14,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:14,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:14,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,156 INFO L87 Difference]: Start difference. First operand 144 states and 201 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:14,187 INFO L93 Difference]: Finished difference Result 238 states and 352 transitions. [2022-10-16 02:42:14,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:14,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 02:42:14,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:14,191 INFO L225 Difference]: With dead ends: 238 [2022-10-16 02:42:14,191 INFO L226 Difference]: Without dead ends: 238 [2022-10-16 02:42:14,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,194 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 150 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:14,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 394 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:14,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-10-16 02:42:14,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 145. [2022-10-16 02:42:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 143 states have (on average 1.4125874125874125) internal successors, (202), 144 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 202 transitions. [2022-10-16 02:42:14,212 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 202 transitions. Word has length 50 [2022-10-16 02:42:14,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:14,213 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 202 transitions. [2022-10-16 02:42:14,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 202 transitions. [2022-10-16 02:42:14,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 02:42:14,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:14,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:14,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 02:42:14,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:14,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:14,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2008203596, now seen corresponding path program 1 times [2022-10-16 02:42:14,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:14,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836500498] [2022-10-16 02:42:14,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:14,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:14,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:14,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836500498] [2022-10-16 02:42:14,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836500498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:14,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:14,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:14,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546048018] [2022-10-16 02:42:14,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:14,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:14,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:14,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:14,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,482 INFO L87 Difference]: Start difference. First operand 145 states and 202 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:14,527 INFO L93 Difference]: Finished difference Result 230 states and 335 transitions. [2022-10-16 02:42:14,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:14,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 02:42:14,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:14,533 INFO L225 Difference]: With dead ends: 230 [2022-10-16 02:42:14,533 INFO L226 Difference]: Without dead ends: 230 [2022-10-16 02:42:14,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,536 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 142 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:14,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 476 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:14,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-10-16 02:42:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 225. [2022-10-16 02:42:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 223 states have (on average 1.4887892376681615) internal successors, (332), 224 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) [2022-10-16 02:42:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 332 transitions. [2022-10-16 02:42:14,555 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 332 transitions. Word has length 77 [2022-10-16 02:42:14,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:14,555 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 332 transitions. [2022-10-16 02:42:14,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 332 transitions. [2022-10-16 02:42:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 02:42:14,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:14,559 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] [2022-10-16 02:42:14,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 02:42:14,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:14,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:14,561 INFO L85 PathProgramCache]: Analyzing trace with hash 823495780, now seen corresponding path program 1 times [2022-10-16 02:42:14,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:14,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749629015] [2022-10-16 02:42:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:14,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:14,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:14,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749629015] [2022-10-16 02:42:14,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749629015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:14,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:14,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:14,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510316130] [2022-10-16 02:42:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:14,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:14,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:14,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:14,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,694 INFO L87 Difference]: Start difference. First operand 225 states and 332 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:14,715 INFO L93 Difference]: Finished difference Result 378 states and 574 transitions. [2022-10-16 02:42:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:14,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 02:42:14,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:14,719 INFO L225 Difference]: With dead ends: 378 [2022-10-16 02:42:14,719 INFO L226 Difference]: Without dead ends: 378 [2022-10-16 02:42:14,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,721 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 137 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:14,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 467 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:14,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-10-16 02:42:14,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 373. [2022-10-16 02:42:14,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 371 states have (on average 1.5390835579514826) internal successors, (571), 372 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 571 transitions. [2022-10-16 02:42:14,754 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 571 transitions. Word has length 78 [2022-10-16 02:42:14,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:14,755 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 571 transitions. [2022-10-16 02:42:14,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 571 transitions. [2022-10-16 02:42:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 02:42:14,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:14,759 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] [2022-10-16 02:42:14,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 02:42:14,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:14,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:14,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1276515004, now seen corresponding path program 1 times [2022-10-16 02:42:14,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:14,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912230561] [2022-10-16 02:42:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:14,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:14,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:14,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912230561] [2022-10-16 02:42:14,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912230561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:14,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:14,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:14,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628827154] [2022-10-16 02:42:14,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:14,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:14,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:14,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:14,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,873 INFO L87 Difference]: Start difference. First operand 373 states and 571 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:14,894 INFO L93 Difference]: Finished difference Result 650 states and 1010 transitions. [2022-10-16 02:42:14,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:14,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 02:42:14,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:14,899 INFO L225 Difference]: With dead ends: 650 [2022-10-16 02:42:14,899 INFO L226 Difference]: Without dead ends: 650 [2022-10-16 02:42:14,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:14,901 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 132 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:14,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 458 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:14,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-10-16 02:42:14,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 645. [2022-10-16 02:42:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 643 states have (on average 1.5660964230171073) internal successors, (1007), 644 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1007 transitions. [2022-10-16 02:42:14,924 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1007 transitions. Word has length 79 [2022-10-16 02:42:14,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:14,925 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 1007 transitions. [2022-10-16 02:42:14,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:14,925 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1007 transitions. [2022-10-16 02:42:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 02:42:14,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:14,928 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] [2022-10-16 02:42:14,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 02:42:14,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:14,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:14,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1327982836, now seen corresponding path program 1 times [2022-10-16 02:42:14,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:14,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695491864] [2022-10-16 02:42:14,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:14,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:15,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:15,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695491864] [2022-10-16 02:42:15,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695491864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:15,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:15,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:15,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131012497] [2022-10-16 02:42:15,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:15,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:15,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:15,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:15,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:15,051 INFO L87 Difference]: Start difference. First operand 645 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:15,074 INFO L93 Difference]: Finished difference Result 1146 states and 1798 transitions. [2022-10-16 02:42:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:15,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 02:42:15,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:15,082 INFO L225 Difference]: With dead ends: 1146 [2022-10-16 02:42:15,083 INFO L226 Difference]: Without dead ends: 1146 [2022-10-16 02:42:15,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:15,084 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 127 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:15,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 449 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:15,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2022-10-16 02:42:15,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1141. [2022-10-16 02:42:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1139 states have (on average 1.5759438103599648) internal successors, (1795), 1140 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1795 transitions. [2022-10-16 02:42:15,117 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1795 transitions. Word has length 80 [2022-10-16 02:42:15,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:15,118 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1795 transitions. [2022-10-16 02:42:15,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1795 transitions. [2022-10-16 02:42:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 02:42:15,120 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:15,120 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] [2022-10-16 02:42:15,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 02:42:15,121 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:15,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:15,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1219881940, now seen corresponding path program 1 times [2022-10-16 02:42:15,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:15,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387998972] [2022-10-16 02:42:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:15,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:15,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387998972] [2022-10-16 02:42:15,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387998972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:15,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:15,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:15,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551450061] [2022-10-16 02:42:15,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:15,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:15,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:15,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:15,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:15,269 INFO L87 Difference]: Start difference. First operand 1141 states and 1795 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:15,296 INFO L93 Difference]: Finished difference Result 2042 states and 3206 transitions. [2022-10-16 02:42:15,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:15,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 02:42:15,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:15,308 INFO L225 Difference]: With dead ends: 2042 [2022-10-16 02:42:15,308 INFO L226 Difference]: Without dead ends: 2042 [2022-10-16 02:42:15,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:15,310 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 122 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:15,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 440 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:15,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2022-10-16 02:42:15,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2037. [2022-10-16 02:42:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2037 states, 2035 states have (on average 1.573955773955774) internal successors, (3203), 2036 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 2037 states and 3203 transitions. [2022-10-16 02:42:15,366 INFO L78 Accepts]: Start accepts. Automaton has 2037 states and 3203 transitions. Word has length 81 [2022-10-16 02:42:15,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:15,366 INFO L495 AbstractCegarLoop]: Abstraction has 2037 states and 3203 transitions. [2022-10-16 02:42:15,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 3203 transitions. [2022-10-16 02:42:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 02:42:15,368 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:15,368 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] [2022-10-16 02:42:15,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 02:42:15,369 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:15,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:15,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1035004540, now seen corresponding path program 1 times [2022-10-16 02:42:15,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:15,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693402738] [2022-10-16 02:42:15,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:15,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:15,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:15,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693402738] [2022-10-16 02:42:15,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693402738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:15,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:15,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:15,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416124234] [2022-10-16 02:42:15,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:15,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:15,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:15,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:15,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:15,484 INFO L87 Difference]: Start difference. First operand 2037 states and 3203 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:15,526 INFO L93 Difference]: Finished difference Result 3642 states and 5686 transitions. [2022-10-16 02:42:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:15,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 02:42:15,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:15,546 INFO L225 Difference]: With dead ends: 3642 [2022-10-16 02:42:15,546 INFO L226 Difference]: Without dead ends: 3642 [2022-10-16 02:42:15,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:15,550 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 117 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:15,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 431 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:15,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2022-10-16 02:42:15,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 3637. [2022-10-16 02:42:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3637 states, 3635 states have (on average 1.5634112792297112) internal successors, (5683), 3636 states have internal predecessors, (5683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3637 states and 5683 transitions. [2022-10-16 02:42:15,666 INFO L78 Accepts]: Start accepts. Automaton has 3637 states and 5683 transitions. Word has length 82 [2022-10-16 02:42:15,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:15,667 INFO L495 AbstractCegarLoop]: Abstraction has 3637 states and 5683 transitions. [2022-10-16 02:42:15,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3637 states and 5683 transitions. [2022-10-16 02:42:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 02:42:15,671 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:15,671 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] [2022-10-16 02:42:15,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 02:42:15,674 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:15,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1846622820, now seen corresponding path program 1 times [2022-10-16 02:42:15,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:15,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948857123] [2022-10-16 02:42:15,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:15,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:15,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:15,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948857123] [2022-10-16 02:42:15,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948857123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:15,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:15,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 02:42:15,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365276379] [2022-10-16 02:42:15,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:15,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:42:15,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:15,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:42:15,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:42:15,890 INFO L87 Difference]: Start difference. First operand 3637 states and 5683 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:16,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:16,263 INFO L93 Difference]: Finished difference Result 25171 states and 39365 transitions. [2022-10-16 02:42:16,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 02:42:16,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 02:42:16,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:16,384 INFO L225 Difference]: With dead ends: 25171 [2022-10-16 02:42:16,385 INFO L226 Difference]: Without dead ends: 25171 [2022-10-16 02:42:16,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-10-16 02:42:16,386 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1929 mSDsluCounter, 2773 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:16,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 2972 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:42:16,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25171 states. [2022-10-16 02:42:16,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25171 to 7221. [2022-10-16 02:42:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7221 states, 7219 states have (on average 1.5496606178141017) internal successors, (11187), 7220 states have internal predecessors, (11187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7221 states to 7221 states and 11187 transitions. [2022-10-16 02:42:16,852 INFO L78 Accepts]: Start accepts. Automaton has 7221 states and 11187 transitions. Word has length 83 [2022-10-16 02:42:16,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:16,853 INFO L495 AbstractCegarLoop]: Abstraction has 7221 states and 11187 transitions. [2022-10-16 02:42:16,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 7221 states and 11187 transitions. [2022-10-16 02:42:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 02:42:16,854 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:16,854 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] [2022-10-16 02:42:16,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 02:42:16,855 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:16,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:16,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1027409470, now seen corresponding path program 1 times [2022-10-16 02:42:16,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:16,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569719322] [2022-10-16 02:42:16,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:16,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:17,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569719322] [2022-10-16 02:42:17,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569719322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:17,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:17,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 02:42:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127102527] [2022-10-16 02:42:17,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:17,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:42:17,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:17,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:42:17,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:42:17,307 INFO L87 Difference]: Start difference. First operand 7221 states and 11187 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:17,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:17,724 INFO L93 Difference]: Finished difference Result 38094 states and 58114 transitions. [2022-10-16 02:42:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 02:42:17,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 02:42:17,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:17,816 INFO L225 Difference]: With dead ends: 38094 [2022-10-16 02:42:17,817 INFO L226 Difference]: Without dead ends: 38094 [2022-10-16 02:42:17,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:42:17,818 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 1080 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:17,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1114 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 02:42:17,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38094 states. [2022-10-16 02:42:18,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38094 to 38069. [2022-10-16 02:42:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38069 states, 38067 states have (on average 1.526230068037933) internal successors, (58099), 38068 states have internal predecessors, (58099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38069 states to 38069 states and 58099 transitions. [2022-10-16 02:42:18,859 INFO L78 Accepts]: Start accepts. Automaton has 38069 states and 58099 transitions. Word has length 84 [2022-10-16 02:42:18,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:18,860 INFO L495 AbstractCegarLoop]: Abstraction has 38069 states and 58099 transitions. [2022-10-16 02:42:18,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 38069 states and 58099 transitions. [2022-10-16 02:42:18,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 02:42:18,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:18,862 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] [2022-10-16 02:42:18,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 02:42:18,862 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:18,863 INFO L85 PathProgramCache]: Analyzing trace with hash 920622579, now seen corresponding path program 1 times [2022-10-16 02:42:18,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:18,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189157454] [2022-10-16 02:42:18,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:18,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:19,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:19,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189157454] [2022-10-16 02:42:19,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189157454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:19,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:19,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 02:42:19,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054125872] [2022-10-16 02:42:19,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:19,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 02:42:19,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:19,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 02:42:19,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:42:19,473 INFO L87 Difference]: Start difference. First operand 38069 states and 58099 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:19,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:19,931 INFO L93 Difference]: Finished difference Result 79160 states and 118453 transitions. [2022-10-16 02:42:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 02:42:19,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 02:42:19,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:20,139 INFO L225 Difference]: With dead ends: 79160 [2022-10-16 02:42:20,139 INFO L226 Difference]: Without dead ends: 79160 [2022-10-16 02:42:20,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:42:20,140 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 441 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:20,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 878 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:20,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79160 states. [2022-10-16 02:42:21,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79160 to 40373. [2022-10-16 02:42:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40373 states, 40371 states have (on average 1.49619776572292) internal successors, (60403), 40372 states have internal predecessors, (60403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40373 states to 40373 states and 60403 transitions. [2022-10-16 02:42:22,007 INFO L78 Accepts]: Start accepts. Automaton has 40373 states and 60403 transitions. Word has length 85 [2022-10-16 02:42:22,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:22,008 INFO L495 AbstractCegarLoop]: Abstraction has 40373 states and 60403 transitions. [2022-10-16 02:42:22,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:22,009 INFO L276 IsEmpty]: Start isEmpty. Operand 40373 states and 60403 transitions. [2022-10-16 02:42:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 02:42:22,010 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:22,010 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] [2022-10-16 02:42:22,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 02:42:22,011 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:22,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:22,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1472892313, now seen corresponding path program 1 times [2022-10-16 02:42:22,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:22,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336965660] [2022-10-16 02:42:22,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:22,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:22,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:22,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336965660] [2022-10-16 02:42:22,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336965660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:22,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:22,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:22,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727474547] [2022-10-16 02:42:22,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:22,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:22,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:22,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:22,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:22,112 INFO L87 Difference]: Start difference. First operand 40373 states and 60403 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:22,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:22,502 INFO L93 Difference]: Finished difference Result 58395 states and 87127 transitions. [2022-10-16 02:42:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:22,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 02:42:22,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:22,601 INFO L225 Difference]: With dead ends: 58395 [2022-10-16 02:42:22,601 INFO L226 Difference]: Without dead ends: 58395 [2022-10-16 02:42:22,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:22,602 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 108 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:22,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 403 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:22,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58395 states. [2022-10-16 02:42:23,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58395 to 58390. [2022-10-16 02:42:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58390 states, 58388 states have (on average 1.4921559224498184) internal successors, (87124), 58389 states have internal predecessors, (87124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58390 states to 58390 states and 87124 transitions. [2022-10-16 02:42:24,306 INFO L78 Accepts]: Start accepts. Automaton has 58390 states and 87124 transitions. Word has length 86 [2022-10-16 02:42:24,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:24,306 INFO L495 AbstractCegarLoop]: Abstraction has 58390 states and 87124 transitions. [2022-10-16 02:42:24,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:24,307 INFO L276 IsEmpty]: Start isEmpty. Operand 58390 states and 87124 transitions. [2022-10-16 02:42:24,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 02:42:24,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:24,308 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] [2022-10-16 02:42:24,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 02:42:24,309 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:24,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:24,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1388859272, now seen corresponding path program 1 times [2022-10-16 02:42:24,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:24,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382938391] [2022-10-16 02:42:24,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:24,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:24,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382938391] [2022-10-16 02:42:24,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382938391] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:42:24,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132709247] [2022-10-16 02:42:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:24,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:42:24,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:42:24,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:42:24,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 02:42:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:24,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 02:42:24,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:42:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 02:42:24,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 02:42:24,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132709247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:24,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 02:42:24,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 02:42:24,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483821412] [2022-10-16 02:42:24,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:24,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:24,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:24,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:24,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:42:24,730 INFO L87 Difference]: Start difference. First operand 58390 states and 87124 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:24,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:24,937 INFO L93 Difference]: Finished difference Result 58389 states and 87123 transitions. [2022-10-16 02:42:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:24,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 02:42:24,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:25,072 INFO L225 Difference]: With dead ends: 58389 [2022-10-16 02:42:25,073 INFO L226 Difference]: Without dead ends: 58387 [2022-10-16 02:42:25,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 02:42:25,074 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:25,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:25,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58387 states. [2022-10-16 02:42:26,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58387 to 58387. [2022-10-16 02:42:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58387 states, 58386 states have (on average 1.4729901003665262) internal successors, (86002), 58386 states have internal predecessors, (86002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58387 states to 58387 states and 86002 transitions. [2022-10-16 02:42:26,809 INFO L78 Accepts]: Start accepts. Automaton has 58387 states and 86002 transitions. Word has length 88 [2022-10-16 02:42:26,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:26,810 INFO L495 AbstractCegarLoop]: Abstraction has 58387 states and 86002 transitions. [2022-10-16 02:42:26,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 58387 states and 86002 transitions. [2022-10-16 02:42:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 02:42:26,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:26,839 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:26,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 02:42:27,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 02:42:27,056 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:27,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:27,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1072838691, now seen corresponding path program 1 times [2022-10-16 02:42:27,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:27,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450806989] [2022-10-16 02:42:27,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:27,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:42:27,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:27,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450806989] [2022-10-16 02:42:27,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450806989] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 02:42:27,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377359906] [2022-10-16 02:42:27,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:27,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 02:42:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 02:42:27,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 02:42:27,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 02:42:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:27,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 02:42:27,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 02:42:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:42:27,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 02:42:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 02:42:28,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377359906] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 02:42:28,447 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 02:42:28,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 10 [2022-10-16 02:42:28,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552435707] [2022-10-16 02:42:28,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 02:42:28,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 02:42:28,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:28,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 02:42:28,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-10-16 02:42:28,453 INFO L87 Difference]: Start difference. First operand 58387 states and 86002 transitions. Second operand has 10 states, 10 states have (on average 33.4) internal successors, (334), 10 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) [2022-10-16 02:42:29,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:29,327 INFO L93 Difference]: Finished difference Result 179760 states and 264221 transitions. [2022-10-16 02:42:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 02:42:29,328 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 33.4) internal successors, (334), 10 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 117 [2022-10-16 02:42:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:29,705 INFO L225 Difference]: With dead ends: 179760 [2022-10-16 02:42:29,706 INFO L226 Difference]: Without dead ends: 179760 [2022-10-16 02:42:29,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-10-16 02:42:29,707 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 1606 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 1755 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:29,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 1755 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:42:29,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179760 states. [2022-10-16 02:42:32,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179760 to 172307. [2022-10-16 02:42:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172307 states, 172306 states have (on average 1.4681903125834272) internal successors, (252978), 172306 states have internal predecessors, (252978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172307 states to 172307 states and 252978 transitions. [2022-10-16 02:42:33,719 INFO L78 Accepts]: Start accepts. Automaton has 172307 states and 252978 transitions. Word has length 117 [2022-10-16 02:42:33,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:33,720 INFO L495 AbstractCegarLoop]: Abstraction has 172307 states and 252978 transitions. [2022-10-16 02:42:33,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 33.4) internal successors, (334), 10 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) [2022-10-16 02:42:33,720 INFO L276 IsEmpty]: Start isEmpty. Operand 172307 states and 252978 transitions. [2022-10-16 02:42:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 02:42:33,754 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:33,755 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:33,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 02:42:33,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 02:42:33,968 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:33,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:33,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1628565047, now seen corresponding path program 1 times [2022-10-16 02:42:33,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:33,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653061392] [2022-10-16 02:42:33,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:33,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:42:34,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:34,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653061392] [2022-10-16 02:42:34,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653061392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:34,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:34,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:42:34,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985553012] [2022-10-16 02:42:34,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:34,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:42:34,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:34,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:42:34,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:34,090 INFO L87 Difference]: Start difference. First operand 172307 states and 252978 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:35,251 INFO L93 Difference]: Finished difference Result 309589 states and 450003 transitions. [2022-10-16 02:42:35,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:42:35,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 02:42:35,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:36,142 INFO L225 Difference]: With dead ends: 309589 [2022-10-16 02:42:36,143 INFO L226 Difference]: Without dead ends: 309589 [2022-10-16 02:42:36,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:42:36,149 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 103 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:36,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 385 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:42:36,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309589 states. [2022-10-16 02:42:40,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309589 to 309587. [2022-10-16 02:42:41,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309587 states, 309586 states have (on average 1.4535605615240998) internal successors, (450002), 309586 states have internal predecessors, (450002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309587 states to 309587 states and 450002 transitions. [2022-10-16 02:42:42,798 INFO L78 Accepts]: Start accepts. Automaton has 309587 states and 450002 transitions. Word has length 118 [2022-10-16 02:42:42,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:42:42,800 INFO L495 AbstractCegarLoop]: Abstraction has 309587 states and 450002 transitions. [2022-10-16 02:42:42,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 309587 states and 450002 transitions. [2022-10-16 02:42:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 02:42:42,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:42:42,894 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:42:42,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 02:42:42,895 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:42:42,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:42:42,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1618503993, now seen corresponding path program 1 times [2022-10-16 02:42:42,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:42:42,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324982760] [2022-10-16 02:42:42,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:42:42,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:42:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:42:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 02:42:43,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:42:43,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324982760] [2022-10-16 02:42:43,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324982760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:42:43,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:42:43,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 02:42:43,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647006645] [2022-10-16 02:42:43,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:42:43,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 02:42:43,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:42:43,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 02:42:43,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 02:42:43,167 INFO L87 Difference]: Start difference. First operand 309587 states and 450002 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:42:46,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:42:46,702 INFO L93 Difference]: Finished difference Result 730159 states and 1064664 transitions. [2022-10-16 02:42:46,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 02:42:46,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 02:42:46,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:42:47,954 INFO L225 Difference]: With dead ends: 730159 [2022-10-16 02:42:47,955 INFO L226 Difference]: Without dead ends: 730159 [2022-10-16 02:42:47,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 02:42:47,956 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 1647 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 02:42:47,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 2092 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 02:42:48,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730159 states. [2022-10-16 02:42:56,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730159 to 445155. [2022-10-16 02:42:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445155 states, 445154 states have (on average 1.4515471050467927) internal successors, (646162), 445154 states have internal predecessors, (646162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:43:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445155 states to 445155 states and 646162 transitions. [2022-10-16 02:43:00,730 INFO L78 Accepts]: Start accepts. Automaton has 445155 states and 646162 transitions. Word has length 118 [2022-10-16 02:43:00,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:43:00,732 INFO L495 AbstractCegarLoop]: Abstraction has 445155 states and 646162 transitions. [2022-10-16 02:43:00,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:43:00,732 INFO L276 IsEmpty]: Start isEmpty. Operand 445155 states and 646162 transitions. [2022-10-16 02:43:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 02:43:00,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:43:00,765 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:43:00,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 02:43:00,765 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:43:00,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:43:00,766 INFO L85 PathProgramCache]: Analyzing trace with hash -876083369, now seen corresponding path program 1 times [2022-10-16 02:43:00,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:43:00,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520672605] [2022-10-16 02:43:00,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:43:00,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:43:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:43:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:43:00,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:43:00,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520672605] [2022-10-16 02:43:00,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520672605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:43:00,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:43:00,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:43:00,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722090792] [2022-10-16 02:43:00,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:43:00,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:43:00,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:43:00,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:43:00,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:43:00,858 INFO L87 Difference]: Start difference. First operand 445155 states and 646162 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:43:04,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:43:04,420 INFO L93 Difference]: Finished difference Result 734254 states and 1054065 transitions. [2022-10-16 02:43:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:43:04,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 02:43:04,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:43:06,333 INFO L225 Difference]: With dead ends: 734254 [2022-10-16 02:43:06,334 INFO L226 Difference]: Without dead ends: 734254 [2022-10-16 02:43:06,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:43:06,337 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 106 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:43:06,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 411 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:43:07,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734254 states. [2022-10-16 02:43:18,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734254 to 701964. [2022-10-16 02:43:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701964 states, 701963 states have (on average 1.4389020503929695) internal successors, (1010056), 701963 states have internal predecessors, (1010056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:43:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701964 states to 701964 states and 1010056 transitions. [2022-10-16 02:43:23,717 INFO L78 Accepts]: Start accepts. Automaton has 701964 states and 1010056 transitions. Word has length 118 [2022-10-16 02:43:23,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:43:23,718 INFO L495 AbstractCegarLoop]: Abstraction has 701964 states and 1010056 transitions. [2022-10-16 02:43:23,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:43:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 701964 states and 1010056 transitions. [2022-10-16 02:43:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 02:43:23,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:43:23,791 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:43:23,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 02:43:23,791 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:43:23,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:43:23,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1916354679, now seen corresponding path program 1 times [2022-10-16 02:43:23,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:43:23,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458161149] [2022-10-16 02:43:23,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:43:23,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:43:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:43:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:43:23,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:43:23,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458161149] [2022-10-16 02:43:23,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458161149] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:43:23,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:43:23,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:43:23,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062521355] [2022-10-16 02:43:23,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:43:23,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:43:23,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:43:23,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:43:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:43:23,877 INFO L87 Difference]: Start difference. First operand 701964 states and 1010056 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:43:28,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:43:28,228 INFO L93 Difference]: Finished difference Result 960264 states and 1364957 transitions. [2022-10-16 02:43:28,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:43:28,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 02:43:28,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:43:30,485 INFO L225 Difference]: With dead ends: 960264 [2022-10-16 02:43:30,485 INFO L226 Difference]: Without dead ends: 960264 [2022-10-16 02:43:30,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:43:30,486 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 108 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:43:30,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 437 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:43:31,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960264 states. [2022-10-16 02:43:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960264 to 887734. [2022-10-16 02:43:49,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887734 states, 887733 states have (on average 1.4252889100664277) internal successors, (1265276), 887733 states have internal predecessors, (1265276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:43:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887734 states to 887734 states and 1265276 transitions. [2022-10-16 02:43:55,396 INFO L78 Accepts]: Start accepts. Automaton has 887734 states and 1265276 transitions. Word has length 118 [2022-10-16 02:43:55,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:43:55,400 INFO L495 AbstractCegarLoop]: Abstraction has 887734 states and 1265276 transitions. [2022-10-16 02:43:55,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:43:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 887734 states and 1265276 transitions. [2022-10-16 02:43:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 02:43:55,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:43:55,626 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:43:55,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 02:43:55,627 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:43:55,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:43:55,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1951266553, now seen corresponding path program 1 times [2022-10-16 02:43:55,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:43:55,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909719367] [2022-10-16 02:43:55,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:43:55,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:43:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:43:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:43:55,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:43:55,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909719367] [2022-10-16 02:43:55,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909719367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:43:55,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:43:55,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:43:55,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600008581] [2022-10-16 02:43:55,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:43:55,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:43:55,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:43:55,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:43:55,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:43:55,861 INFO L87 Difference]: Start difference. First operand 887734 states and 1265276 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:44:01,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:44:01,916 INFO L93 Difference]: Finished difference Result 1016494 states and 1427441 transitions. [2022-10-16 02:44:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:44:01,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 02:44:01,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:44:04,404 INFO L225 Difference]: With dead ends: 1016494 [2022-10-16 02:44:04,404 INFO L226 Difference]: Without dead ends: 923494 [2022-10-16 02:44:04,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:44:04,405 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 109 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:44:04,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 450 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:44:05,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923494 states. [2022-10-16 02:44:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923494 to 880781. [2022-10-16 02:44:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880781 states, 880780 states have (on average 1.4044801198937304) internal successors, (1237038), 880780 states have internal predecessors, (1237038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:44:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880781 states to 880781 states and 1237038 transitions. [2022-10-16 02:44:31,315 INFO L78 Accepts]: Start accepts. Automaton has 880781 states and 1237038 transitions. Word has length 118 [2022-10-16 02:44:31,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 02:44:31,315 INFO L495 AbstractCegarLoop]: Abstraction has 880781 states and 1237038 transitions. [2022-10-16 02:44:31,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:44:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 880781 states and 1237038 transitions. [2022-10-16 02:44:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 02:44:31,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 02:44:31,393 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 02:44:31,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 02:44:31,394 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-16 02:44:31,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 02:44:31,394 INFO L85 PathProgramCache]: Analyzing trace with hash -898154521, now seen corresponding path program 1 times [2022-10-16 02:44:31,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 02:44:31,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892131097] [2022-10-16 02:44:31,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 02:44:31,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 02:44:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 02:44:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 02:44:32,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 02:44:32,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892131097] [2022-10-16 02:44:32,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892131097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 02:44:32,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 02:44:32,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 02:44:32,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345838391] [2022-10-16 02:44:32,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 02:44:32,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 02:44:32,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 02:44:32,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 02:44:32,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:44:32,129 INFO L87 Difference]: Start difference. First operand 880781 states and 1237038 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 02:44:39,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 02:44:39,313 INFO L93 Difference]: Finished difference Result 1419599 states and 1969762 transitions. [2022-10-16 02:44:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 02:44:39,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 02:44:39,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 02:44:43,665 INFO L225 Difference]: With dead ends: 1419599 [2022-10-16 02:44:43,665 INFO L226 Difference]: Without dead ends: 1397924 [2022-10-16 02:44:43,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 02:44:43,669 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 107 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 02:44:43,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 424 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 02:44:45,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397924 states.