/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/xcsp/AllInterval-007.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:01:35,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:01:35,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:01:35,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:01:35,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:01:35,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:01:35,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:01:35,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:01:35,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:01:35,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:01:35,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:01:35,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:01:35,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:01:35,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:01:35,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:01:35,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:01:35,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:01:35,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:01:35,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:01:35,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:01:35,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:01:35,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:01:35,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:01:35,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:01:35,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 18:01:35,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:01:35,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:01:35,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:01:35,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:01:35,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:01:35,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:01:35,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:01:35,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:01:35,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:01:35,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:01:35,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:01:35,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 18:01:35,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:01:35,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:01:35,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:01:35,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:01:35,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:01:35,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:01:35,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:01:35,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:01:35,792 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:01:35,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:01:35,793 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:01:35,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:01:35,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:01:35,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:01:35,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:01:35,795 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:01:35,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:01:35,795 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:01:35,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:01:35,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:01:35,796 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:01:35,796 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:01:35,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:01:35,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:01:35,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:01:35,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:01:35,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:01:35,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:01:35,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:01:35,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:01:35,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:01:36,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:01:36,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:01:36,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:01:36,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:01:36,285 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:01:36,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-007.c [2022-10-15 18:01:36,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6c934d2/3f11825472c543468ea2953e3bc11969/FLAG05002e15c [2022-10-15 18:01:37,019 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:01:37,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c [2022-10-15 18:01:37,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6c934d2/3f11825472c543468ea2953e3bc11969/FLAG05002e15c [2022-10-15 18:01:37,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6c934d2/3f11825472c543468ea2953e3bc11969 [2022-10-15 18:01:37,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:01:37,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:01:37,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:01:37,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:01:37,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:01:37,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6bfb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37, skipping insertion in model container [2022-10-15 18:01:37,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:01:37,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:01:37,768 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/xcsp/AllInterval-007.c[3690,3703] [2022-10-15 18:01:37,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:01:37,798 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:01:37,866 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/xcsp/AllInterval-007.c[3690,3703] [2022-10-15 18:01:37,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:01:37,894 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:01:37,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37 WrapperNode [2022-10-15 18:01:37,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:01:37,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:01:37,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:01:37,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:01:37,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,954 INFO L138 Inliner]: procedures = 13, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 174 [2022-10-15 18:01:37,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:01:37,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:01:37,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:01:37,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:01:37,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:38,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:38,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:01:38,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:01:38,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:01:38,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:01:38,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:38,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:01:38,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:01:38,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 18:01:38,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 18:01:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:01:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:01:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:01:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:01:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:01:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:01:38,194 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:01:38,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:01:38,677 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:01:38,692 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:01:38,693 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:01:38,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:01:38 BoogieIcfgContainer [2022-10-15 18:01:38,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:01:38,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:01:38,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:01:38,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:01:38,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:01:37" (1/3) ... [2022-10-15 18:01:38,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359c3fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:01:38, skipping insertion in model container [2022-10-15 18:01:38,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37" (2/3) ... [2022-10-15 18:01:38,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359c3fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:01:38, skipping insertion in model container [2022-10-15 18:01:38,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:01:38" (3/3) ... [2022-10-15 18:01:38,707 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-007.c [2022-10-15 18:01:38,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:01:38,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:01:38,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:01:38,803 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;@39727c1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:01:38,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:01:38,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 41 states have internal predecessors, (48), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-10-15 18:01:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-10-15 18:01:38,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:38,838 INFO L195 NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:01:38,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:38,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:38,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1792755495, now seen corresponding path program 1 times [2022-10-15 18:01:38,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:38,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921812980] [2022-10-15 18:01:38,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:38,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:01:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:01:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:01:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:01:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:01:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:01:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:01:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:01:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:01:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:01:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:01:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:01:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:01:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:01:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:01:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:01:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:01:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:01:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:01:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:01:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 18:01:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 18:01:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 18:01:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 18:01:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 18:01:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 18:01:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 18:01:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 18:01:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-15 18:01:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-15 18:01:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-15 18:01:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-15 18:01:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-15 18:01:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-10-15 18:01:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-15 18:01:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-15 18:01:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-10-15 18:01:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-15 18:01:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-15 18:01:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-15 18:01:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-10-15 18:01:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-15 18:01:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-10-15 18:01:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-15 18:01:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-15 18:01:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-15 18:01:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-15 18:01:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-15 18:01:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-15 18:01:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-15 18:01:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-15 18:01:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-15 18:01:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-15 18:01:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-10-15 18:01:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-10-15 18:01:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-15 18:01:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-15 18:01:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-15 18:01:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-10-15 18:01:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-10-15 18:01:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-15 18:01:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-10-15 18:01:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-10-15 18:01:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-10-15 18:01:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-10-15 18:01:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-10-15 18:01:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-10-15 18:01:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-10-15 18:01:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked. [2022-10-15 18:01:39,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:01:39,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921812980] [2022-10-15 18:01:39,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921812980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:01:39,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:01:40,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:01:40,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11783850] [2022-10-15 18:01:40,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:01:40,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:01:40,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:01:40,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:01:40,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:01:40,064 INFO L87 Difference]: Start difference. First operand has 111 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 41 states have internal predecessors, (48), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) [2022-10-15 18:01:40,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:01:40,132 INFO L93 Difference]: Finished difference Result 107 states and 179 transitions. [2022-10-15 18:01:40,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:01:40,146 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) Word has length 374 [2022-10-15 18:01:40,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:01:40,164 INFO L225 Difference]: With dead ends: 107 [2022-10-15 18:01:40,164 INFO L226 Difference]: Without dead ends: 107 [2022-10-15 18:01:40,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:01:40,173 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 18:01:40,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:01:40,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-10-15 18:01:40,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-10-15 18:01:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2022-10-15 18:01:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 179 transitions. [2022-10-15 18:01:40,282 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 179 transitions. Word has length 374 [2022-10-15 18:01:40,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:01:40,284 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 179 transitions. [2022-10-15 18:01:40,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) [2022-10-15 18:01:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2022-10-15 18:01:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-10-15 18:01:40,311 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:40,312 INFO L195 NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:01:40,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 18:01:40,313 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:40,315 INFO L85 PathProgramCache]: Analyzing trace with hash 784376923, now seen corresponding path program 1 times [2022-10-15 18:01:40,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:40,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437936945] [2022-10-15 18:01:40,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:40,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:01:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:01:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:01:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:01:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:01:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:01:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:01:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:01:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:01:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:01:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:01:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:01:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:01:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:01:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:01:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:01:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:01:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:01:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:01:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:01:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 18:01:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 18:01:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 18:01:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 18:01:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 18:01:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 18:01:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 18:01:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 18:01:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-15 18:01:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-15 18:01:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-15 18:01:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-15 18:01:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:51,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-15 18:01:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-10-15 18:01:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-15 18:01:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-15 18:01:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-10-15 18:01:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-15 18:01:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-15 18:01:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-15 18:01:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-10-15 18:01:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-15 18:01:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-10-15 18:01:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-15 18:01:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-15 18:01:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-15 18:01:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-15 18:01:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-15 18:01:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-15 18:01:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-15 18:01:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-15 18:01:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-15 18:01:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-15 18:01:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-10-15 18:01:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-10-15 18:01:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-15 18:01:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-15 18:01:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-15 18:01:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-10-15 18:01:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-10-15 18:01:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-15 18:01:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-10-15 18:01:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-10-15 18:01:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-10-15 18:01:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-10-15 18:01:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-10-15 18:01:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-10-15 18:01:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-10-15 18:01:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 1119 proven. 897 refuted. 0 times theorem prover too weak. 7096 trivial. 0 not checked. [2022-10-15 18:01:55,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:01:55,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437936945] [2022-10-15 18:01:55,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437936945] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 18:01:55,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973176156] [2022-10-15 18:01:55,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:55,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:01:55,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:01:55,482 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) [2022-10-15 18:01:55,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 18:01:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:55,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 83 conjunts are in the unsatisfiable core [2022-10-15 18:01:55,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 18:01:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 1615 proven. 759 refuted. 0 times theorem prover too weak. 6738 trivial. 0 not checked. [2022-10-15 18:01:59,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 18:02:05,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 1347 proven. 798 refuted. 0 times theorem prover too weak. 6967 trivial. 0 not checked. [2022-10-15 18:02:05,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973176156] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 18:02:05,273 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 18:02:05,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 30] total 77 [2022-10-15 18:02:05,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645603523] [2022-10-15 18:02:05,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 18:02:05,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-10-15 18:02:05,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:02:05,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-10-15 18:02:05,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=373, Invalid=5479, Unknown=0, NotChecked=0, Total=5852 [2022-10-15 18:02:05,285 INFO L87 Difference]: Start difference. First operand 107 states and 179 transitions. Second operand has 77 states, 59 states have (on average 1.5593220338983051) internal successors, (92), 54 states have internal predecessors, (92), 44 states have call successors, (182), 2 states have call predecessors, (182), 3 states have return successors, (183), 39 states have call predecessors, (183), 44 states have call successors, (183)