/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-008.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:01:35,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:01:35,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:01:35,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:01:35,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:01:35,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:01:35,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:01:35,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:01:35,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:01:35,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:01:35,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:01:35,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:01:35,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:01:35,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:01:35,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:01:35,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:01:35,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:01:35,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:01:35,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:01:35,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:01:35,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:01:35,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:01:35,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:01:35,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:01:35,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 18:01:35,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:01:35,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:01:35,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:01:35,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:01:35,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:01:35,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:01:35,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:01:35,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:01:35,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:01:35,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:01:35,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:01:35,662 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 18:01:35,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:01:35,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:01:35,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:01:35,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:01:35,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:01:35,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:01:35,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:01:35,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:01:35,711 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:01:35,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:01:35,712 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:01:35,712 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:01:35,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:01:35,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:01:35,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:01:35,713 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:01:35,713 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:01:35,713 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:01:35,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:01:35,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:01:35,714 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:01:35,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:01:35,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:01:35,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:01:35,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:01:35,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:01:35,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:01:35,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:01:35,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:01:35,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:01:35,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:01:36,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:01:36,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:01:36,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:01:36,129 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:01:36,132 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:01:36,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-008.c [2022-10-15 18:01:36,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafc3a393/fa0bb00ac22e4ceeaaff44869cec7f8e/FLAGb4a352a48 [2022-10-15 18:01:36,847 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:01:36,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-008.c [2022-10-15 18:01:36,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafc3a393/fa0bb00ac22e4ceeaaff44869cec7f8e/FLAGb4a352a48 [2022-10-15 18:01:37,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafc3a393/fa0bb00ac22e4ceeaaff44869cec7f8e [2022-10-15 18:01:37,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:01:37,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:01:37,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:01:37,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:01:37,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:01:37,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a93934e 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 18:01:37,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:01:37" (1/1) ... [2022-10-15 18:01:37,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:01:37,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:01:37,486 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-008.c[4334,4347] [2022-10-15 18:01:37,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:01:37,501 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:01:37,558 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-008.c[4334,4347] [2022-10-15 18:01:37,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:01:37,580 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:01:37,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:01:37 WrapperNode [2022-10-15 18:01:37,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:01:37,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:01:37,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:01:37,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:01:37,601 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 18:01:37,627 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 18:01:37,684 INFO L138 Inliner]: procedures = 13, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 206 [2022-10-15 18:01:37,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:01:37,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:01:37,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:01:37,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:01:37,707 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 18:01:37,708 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 18:01:37,713 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 18:01:37,713 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 18:01:37,729 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 18:01:37,738 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 18:01:37,740 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 18:01:37,745 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 18:01:37,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:01:37,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:01:37,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:01:37,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:01:37,753 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 18:01:37,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:01:37,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:01:37,792 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 18:01:37,809 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 18:01:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:01:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:01:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:01:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:01:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:01:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:01:37,944 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:01:37,946 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:01:38,411 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:01:38,432 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:01:38,432 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:01:38,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:01:38 BoogieIcfgContainer [2022-10-15 18:01:38,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:01:38,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:01:38,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:01:38,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:01:38,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:01:37" (1/3) ... [2022-10-15 18:01:38,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d920fa0 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 18:01:38,447 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 18:01:38,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d920fa0 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 18:01:38,447 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 18:01:38,449 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-008.c [2022-10-15 18:01:38,472 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:01:38,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:01:38,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:01:38,582 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;@c3b2afe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:01:38,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:01:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 46 states have internal predecessors, (54), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-10-15 18:01:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-10-15 18:01:38,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:38,657 INFO L195 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:01:38,658 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:38,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:38,667 INFO L85 PathProgramCache]: Analyzing trace with hash -412567959, now seen corresponding path program 1 times [2022-10-15 18:01:38,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:38,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63824094] [2022-10-15 18:01:38,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:01:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:01:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:01:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:01:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:01:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:01:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:01:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:01:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:01:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:01:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:01:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:01:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:01:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:01:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:01:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:01:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:01:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:01:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:01:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:01:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 18:01:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 18:01:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 18:01:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 18:01:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 18:01:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 18:01:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 18:01:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 18:01:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 18:01:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 18:01:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-15 18:01:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-15 18:01:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-10-15 18:01:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-15 18:01:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-15 18:01:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-15 18:01:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-15 18:01:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-10-15 18:01:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-10-15 18:01:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-15 18:01:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-10-15 18:01:39,453 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 222 [2022-10-15 18:01:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-10-15 18:01:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-15 18:01:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-15 18:01:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-15 18:01:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-10-15 18:01:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-10-15 18:01:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-10-15 18:01:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-15 18:01:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 18:01:39,548 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 272 [2022-10-15 18:01:39,563 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 277 [2022-10-15 18:01:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-15 18:01:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-15 18:01:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-10-15 18:01:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-10-15 18:01:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-10-15 18:01:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-10-15 18:01:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-15 18:01:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-10-15 18:01:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-15 18:01:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-10-15 18:01:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-10-15 18:01:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-10-15 18:01:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-10-15 18:01:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-15 18:01:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-10-15 18:01:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-10-15 18:01:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-10-15 18:01:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-10-15 18:01:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-10-15 18:01:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-10-15 18:01:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-10-15 18:01:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-10-15 18:01:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-10-15 18:01:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-10-15 18:01:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-10-15 18:01:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-10-15 18:01:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-10-15 18:01:39,802 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 423 [2022-10-15 18:01:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-10-15 18:01:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-10-15 18:01:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-15 18:01:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-10-15 18:01:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-10-15 18:01:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:01:39,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14620 trivial. 0 not checked. [2022-10-15 18:01:39,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:01:39,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63824094] [2022-10-15 18:01:39,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63824094] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:01:39,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:01:39,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:01:39,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762558310] [2022-10-15 18:01:39,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:01:39,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:01:39,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:01:39,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:01:39,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:01:39,916 INFO L87 Difference]: Start difference. First operand has 134 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 46 states have internal predecessors, (54), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86) [2022-10-15 18:01:39,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:01:39,972 INFO L93 Difference]: Finished difference Result 130 states and 221 transitions. [2022-10-15 18:01:39,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:01:39,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86) Word has length 469 [2022-10-15 18:01:39,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:01:39,988 INFO L225 Difference]: With dead ends: 130 [2022-10-15 18:01:39,988 INFO L226 Difference]: Without dead ends: 130 [2022-10-15 18:01:39,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 260 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 18:01:39,994 INFO L413 NwaCegarLoop]: 221 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, 221 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 18:01:39,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:01:40,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-10-15 18:01:40,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2022-10-15 18:01:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-10-15 18:01:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 221 transitions. [2022-10-15 18:01:40,076 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 221 transitions. Word has length 469 [2022-10-15 18:01:40,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:01:40,076 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 221 transitions. [2022-10-15 18:01:40,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 1 states have call predecessors, (86), 2 states have call successors, (86) [2022-10-15 18:01:40,077 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2022-10-15 18:01:40,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-10-15 18:01:40,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:01:40,091 INFO L195 NwaCegarLoop]: trace histogram [86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:01:40,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 18:01:40,092 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:01:40,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:01:40,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1506078439, now seen corresponding path program 1 times [2022-10-15 18:01:40,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:01:40,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116002125] [2022-10-15 18:01:40,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:01:40,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:01:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat