/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/Dubois-019.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:03:19,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:03:19,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:03:20,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:03:20,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:03:20,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:03:20,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:03:20,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:03:20,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:03:20,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:03:20,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:03:20,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:03:20,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:03:20,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:03:20,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:03:20,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:03:20,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:03:20,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:03:20,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:03:20,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:03:20,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:03:20,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:03:20,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:03:20,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:03:20,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 18:03:20,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 18:03:20,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 18:03:20,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 18:03:20,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 18:03:20,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 18:03:20,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:03:20,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:03:20,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:03:20,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:03:20,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:03:20,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:03:20,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:03:20,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:03:20,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:03:20,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:03:20,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:03:20,144 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 18:03:20,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:03:20,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:03:20,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:03:20,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:03:20,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:03:20,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:03:20,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:03:20,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:03:20,206 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:03:20,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:03:20,208 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:03:20,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:03:20,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:03:20,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:03:20,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:03:20,209 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:03:20,209 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:03:20,209 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:03:20,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:03:20,210 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:03:20,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:03:20,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:03:20,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:03:20,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:03:20,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:03:20,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:03:20,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:03:20,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:03:20,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:03:20,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:03:20,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:03:20,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:03:20,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:03:20,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:03:20,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:03:20,684 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:03:20,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-019.c [2022-10-15 18:03:20,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137aba077/c3cf5a7d135c4bc2b45fddf292f898b4/FLAG054cf8717 [2022-10-15 18:03:21,423 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:03:21,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-019.c [2022-10-15 18:03:21,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137aba077/c3cf5a7d135c4bc2b45fddf292f898b4/FLAG054cf8717 [2022-10-15 18:03:21,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137aba077/c3cf5a7d135c4bc2b45fddf292f898b4 [2022-10-15 18:03:21,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:03:21,711 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:03:21,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:03:21,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:03:21,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:03:21,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:03:21" (1/1) ... [2022-10-15 18:03:21,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc38128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:21, skipping insertion in model container [2022-10-15 18:03:21,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:03:21" (1/1) ... [2022-10-15 18:03:21,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:03:21,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:03:22,112 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/Dubois-019.c[13716,13729] [2022-10-15 18:03:22,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:03:22,254 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:03:22,315 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/Dubois-019.c[13716,13729] [2022-10-15 18:03:22,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:03:22,381 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:03:22,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22 WrapperNode [2022-10-15 18:03:22,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:03:22,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:03:22,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:03:22,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:03:22,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:22,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:28,927 INFO L138 Inliner]: procedures = 13, calls = 159, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 397 [2022-10-15 18:03:28,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:03:28,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:03:28,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:03:28,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:03:28,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:28,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:31,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:31,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:35,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:35,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:36,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:36,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:37,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:03:37,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:03:37,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:03:37,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:03:37,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:37,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:03:37,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:03:37,706 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 18:03:37,711 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 18:03:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:03:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:03:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:03:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:03:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:03:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:03:37,874 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:03:37,877 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:03:44,326 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:03:44,337 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:03:44,337 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:03:44,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:03:44 BoogieIcfgContainer [2022-10-15 18:03:44,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:03:44,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:03:44,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:03:44,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:03:44,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:03:21" (1/3) ... [2022-10-15 18:03:44,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb53d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:03:44, skipping insertion in model container [2022-10-15 18:03:44,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22" (2/3) ... [2022-10-15 18:03:44,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb53d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:03:44, skipping insertion in model container [2022-10-15 18:03:44,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:03:44" (3/3) ... [2022-10-15 18:03:44,351 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-019.c [2022-10-15 18:03:44,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:03:44,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:03:44,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:03:44,446 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;@3776d197, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:03:44,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:03:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 65 states have (on average 1.0461538461538462) internal successors, (68), 67 states have internal predecessors, (68), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2022-10-15 18:03:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2022-10-15 18:03:44,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:03:44,540 INFO L195 NwaCegarLoop]: trace histogram [152, 152, 152, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:44,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:03:44,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:03:44,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1679683882, now seen corresponding path program 1 times [2022-10-15 18:03:44,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:03:44,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785155206] [2022-10-15 18:03:44,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:03:44,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:03:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:03:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:03:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:03:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:03:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:03:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:03:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:03:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:03:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:03:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:03:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:03:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:03:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:03:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:03:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:03:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:03:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:03:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:03:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:03:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:03:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 18:03:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 18:03:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 18:03:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 18:03:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 18:03:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 18:03:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 18:03:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 18:03:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 18:03:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 18:03:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-15 18:03:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-15 18:03:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-15 18:03:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 18:03:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-15 18:03:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-15 18:03:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-15 18:03:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-15 18:03:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-10-15 18:03:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-15 18:03:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-15 18:03:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-10-15 18:03:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-15 18:03:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-15 18:03:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-15 18:03:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-15 18:03:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-15 18:03:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-15 18:03:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-15 18:03:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-15 18:03:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-15 18:03:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-15 18:03:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-15 18:03:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-15 18:03:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-10-15 18:03:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-10-15 18:03:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-10-15 18:03:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-15 18:03:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-15 18:03:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-10-15 18:03:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-10-15 18:03:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-10-15 18:03:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-10-15 18:03:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-10-15 18:03:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-10-15 18:03:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-10-15 18:03:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-10-15 18:03:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-10-15 18:03:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-10-15 18:03:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-15 18:03:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-10-15 18:03:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-10-15 18:03:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-10-15 18:03:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-10-15 18:03:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-10-15 18:03:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-10-15 18:03:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-10-15 18:03:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-10-15 18:03:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-10-15 18:03:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-10-15 18:03:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-10-15 18:03:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-15 18:03:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-10-15 18:03:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-10-15 18:03:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-10-15 18:03:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-10-15 18:03:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-10-15 18:03:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-10-15 18:03:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-10-15 18:03:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-10-15 18:03:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-10-15 18:03:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-10-15 18:03:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-10-15 18:03:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-15 18:03:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-10-15 18:03:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-10-15 18:03:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-10-15 18:03:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-10-15 18:03:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-10-15 18:03:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-10-15 18:03:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-10-15 18:03:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-10-15 18:03:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-10-15 18:03:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-10-15 18:03:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-10-15 18:03:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-15 18:03:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-10-15 18:03:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-10-15 18:03:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-10-15 18:03:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-10-15 18:03:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-10-15 18:03:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-10-15 18:03:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-10-15 18:03:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-10-15 18:03:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-10-15 18:03:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2022-10-15 18:03:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-10-15 18:03:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2022-10-15 18:03:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-10-15 18:03:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-10-15 18:03:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-10-15 18:03:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-10-15 18:03:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-10-15 18:03:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-10-15 18:03:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2022-10-15 18:03:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2022-10-15 18:03:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2022-10-15 18:03:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2022-10-15 18:03:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2022-10-15 18:03:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-10-15 18:03:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2022-10-15 18:03:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2022-10-15 18:03:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2022-10-15 18:03:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2022-10-15 18:03:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2022-10-15 18:03:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2022-10-15 18:03:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2022-10-15 18:03:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-10-15 18:03:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-10-15 18:03:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2022-10-15 18:03:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2022-10-15 18:03:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2022-10-15 18:03:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2022-10-15 18:03:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 774 [2022-10-15 18:03:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2022-10-15 18:03:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 784 [2022-10-15 18:03:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2022-10-15 18:03:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2022-10-15 18:03:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 799 [2022-10-15 18:03:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 804 [2022-10-15 18:03:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2022-10-15 18:03:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2022-10-15 18:03:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:47,729 INFO L134 CoverageAnalysis]: Checked inductivity of 45904 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45904 trivial. 0 not checked. [2022-10-15 18:03:47,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:03:47,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785155206] [2022-10-15 18:03:47,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785155206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:03:47,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:03:47,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:03:47,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993301934] [2022-10-15 18:03:47,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:03:47,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:03:47,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:03:47,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:03:47,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:03:47,782 INFO L87 Difference]: Start difference. First operand has 221 states, 65 states have (on average 1.0461538461538462) internal successors, (68), 67 states have internal predecessors, (68), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 1 states have call predecessors, (152), 2 states have call successors, (152) [2022-10-15 18:03:47,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:03:47,836 INFO L93 Difference]: Finished difference Result 217 states and 367 transitions. [2022-10-15 18:03:47,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:03:47,840 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 1 states have call predecessors, (152), 2 states have call successors, (152) Word has length 820 [2022-10-15 18:03:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:03:47,854 INFO L225 Difference]: With dead ends: 217 [2022-10-15 18:03:47,854 INFO L226 Difference]: Without dead ends: 217 [2022-10-15 18:03:47,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 458 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 18:03:47,861 INFO L413 NwaCegarLoop]: 367 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, 367 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 18:03:47,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:03:47,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-10-15 18:03:47,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-10-15 18:03:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 63 states have (on average 1.0) internal successors, (63), 63 states have internal predecessors, (63), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2022-10-15 18:03:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 367 transitions. [2022-10-15 18:03:47,984 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 367 transitions. Word has length 820 [2022-10-15 18:03:47,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:03:47,985 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 367 transitions. [2022-10-15 18:03:47,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 1 states have call predecessors, (152), 2 states have call successors, (152) [2022-10-15 18:03:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 367 transitions. [2022-10-15 18:03:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2022-10-15 18:03:48,016 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:03:48,016 INFO L195 NwaCegarLoop]: trace histogram [152, 152, 152, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:48,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 18:03:48,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:03:48,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:03:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1974616150, now seen corresponding path program 1 times [2022-10-15 18:03:48,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:03:48,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674096116] [2022-10-15 18:03:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:03:48,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:04:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat