/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-020.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:03:20,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:03:20,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:03:20,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:03:20,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:03:20,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:03:20,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:03:20,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:03:20,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:03:20,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:03:20,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:03:20,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:03:20,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:03:20,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:03:20,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:03:20,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:03:20,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:03:20,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:03:20,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:03:20,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:03:20,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:03:20,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:03:20,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:03:20,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:03:20,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 18:03:20,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 18:03:20,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 18:03:20,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 18:03:20,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 18:03:20,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 18:03:20,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:03:20,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:03:20,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:03:20,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:03:20,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:03:20,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:03:20,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:03:20,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:03:20,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:03:20,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:03:20,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:03:20,645 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 18:03:20,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:03:20,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:03:20,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:03:20,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:03:20,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:03:20,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:03:20,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:03:20,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:03:20,711 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:03:20,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:03:20,713 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:03:20,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:03:20,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:03:20,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:03:20,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:03:20,714 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:03:20,714 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:03:20,714 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:03:20,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:03:20,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:03:20,715 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:03:20,715 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:03:20,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:03:20,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:03:20,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:03:20,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:03:20,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:03:20,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:03:20,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:03:20,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:03:20,717 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:03:21,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:03:21,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:03:21,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:03:21,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:03:21,245 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:03:21,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-020.c [2022-10-15 18:03:21,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f76362d/0d85839997ae4304983d7bc9c315bb29/FLAGe2226bc54 [2022-10-15 18:03:22,081 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:03:22,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-020.c [2022-10-15 18:03:22,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f76362d/0d85839997ae4304983d7bc9c315bb29/FLAGe2226bc54 [2022-10-15 18:03:22,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f76362d/0d85839997ae4304983d7bc9c315bb29 [2022-10-15 18:03:22,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:03:22,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:03:22,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:03:22,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:03:22,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:03:22,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:22,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa4af12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:22, skipping insertion in model container [2022-10-15 18:03:22,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:03:22" (1/1) ... [2022-10-15 18:03:22,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:03:22,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:03:22,834 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-020.c[14400,14413] [2022-10-15 18:03:22,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:03:22,955 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:03:23,100 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-020.c[14400,14413] [2022-10-15 18:03:23,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:03:23,231 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:03:23,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23 WrapperNode [2022-10-15 18:03:23,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:03:23,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:03:23,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:03:23,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:03:23,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:23,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:30,071 INFO L138 Inliner]: procedures = 13, calls = 167, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 417 [2022-10-15 18:03:30,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:03:30,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:03:30,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:03:30,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:03:30,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:30,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:32,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:32,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:37,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:37,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:37,486 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:37,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:38,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:03:38,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:03:38,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:03:38,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:03:38,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (1/1) ... [2022-10-15 18:03:38,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:03:38,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:03:38,738 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 18:03:38,758 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 18:03:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:03:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:03:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:03:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:03:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:03:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:03:39,083 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:03:39,087 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:03:46,287 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:03:46,302 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:03:46,302 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:03:46,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:03:46 BoogieIcfgContainer [2022-10-15 18:03:46,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:03:46,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:03:46,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:03:46,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:03:46,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:03:22" (1/3) ... [2022-10-15 18:03:46,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba44aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:03:46, skipping insertion in model container [2022-10-15 18:03:46,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:03:23" (2/3) ... [2022-10-15 18:03:46,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba44aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:03:46, skipping insertion in model container [2022-10-15 18:03:46,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:03:46" (3/3) ... [2022-10-15 18:03:46,318 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-020.c [2022-10-15 18:03:46,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:03:46,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:03:46,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:03:46,446 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;@c5bb5e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:03:46,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:03:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 232 states, 68 states have (on average 1.0441176470588236) internal successors, (71), 70 states have internal predecessors, (71), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2022-10-15 18:03:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2022-10-15 18:03:46,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:03:46,537 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 160, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:46,538 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:03:46,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:03:46,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1748209070, now seen corresponding path program 1 times [2022-10-15 18:03:46,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:03:46,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439110144] [2022-10-15 18:03:46,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:03:46,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:03:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 18:03:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 18:03:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 18:03:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 18:03:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 18:03:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 18:03:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 18:03:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 18:03:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 18:03:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 18:03:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 18:03:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 18:03:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 18:03:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 18:03:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 18:03:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 18:03:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 18:03:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 18:03:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 18:03:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-15 18:03:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 18:03:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 18:03:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 18:03:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 18:03:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 18:03:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 18:03:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 18:03:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 18:03:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 18:03:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 18:03:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-15 18:03:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-15 18:03:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-15 18:03:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 18:03:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-15 18:03:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-15 18:03:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-15 18:03:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-15 18:03:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-10-15 18:03:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-15 18:03:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-15 18:03:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-10-15 18:03:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-15 18:03:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-15 18:03:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-15 18:03:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-15 18:03:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-15 18:03:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-15 18:03:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-15 18:03:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-15 18:03:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-15 18:03:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-10-15 18:03:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-15 18:03:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-15 18:03:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-10-15 18:03:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-10-15 18:03:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-10-15 18:03:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-15 18:03:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-15 18:03:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-10-15 18:03:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-10-15 18:03:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-10-15 18:03:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-10-15 18:03:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-10-15 18:03:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-10-15 18:03:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-10-15 18:03:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-10-15 18:03:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-10-15 18:03:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-10-15 18:03:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-15 18:03:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-10-15 18:03:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-10-15 18:03:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-10-15 18:03:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-10-15 18:03:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-10-15 18:03:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-10-15 18:03:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-10-15 18:03:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-10-15 18:03:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-10-15 18:03:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-10-15 18:03:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-10-15 18:03:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-15 18:03:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-10-15 18:03:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-10-15 18:03:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-10-15 18:03:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-10-15 18:03:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-10-15 18:03:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-10-15 18:03:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-10-15 18:03:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-10-15 18:03:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-10-15 18:03:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-10-15 18:03:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-10-15 18:03:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-15 18:03:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-10-15 18:03:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-10-15 18:03:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-10-15 18:03:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-10-15 18:03:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-10-15 18:03:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-10-15 18:03:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-10-15 18:03:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-10-15 18:03:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-10-15 18:03:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-10-15 18:03:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-10-15 18:03:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-15 18:03:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-10-15 18:03:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-10-15 18:03:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-10-15 18:03:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-10-15 18:03:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-10-15 18:03:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-10-15 18:03:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2022-10-15 18:03:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-10-15 18:03:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-10-15 18:03:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2022-10-15 18:03:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2022-10-15 18:03:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-15 18:03:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2022-10-15 18:03:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-10-15 18:03:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2022-10-15 18:03:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-10-15 18:03:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2022-10-15 18:03:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2022-10-15 18:03:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2022-10-15 18:03:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2022-10-15 18:03:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-10-15 18:03:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2022-10-15 18:03:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-10-15 18:03:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2022-10-15 18:03:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2022-10-15 18:03:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2022-10-15 18:03:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2022-10-15 18:03:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2022-10-15 18:03:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2022-10-15 18:03:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-10-15 18:03:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 742 [2022-10-15 18:03:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2022-10-15 18:03:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 752 [2022-10-15 18:03:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2022-10-15 18:03:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 762 [2022-10-15 18:03:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 767 [2022-10-15 18:03:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-10-15 18:03:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:49,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-10-15 18:03:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-10-15 18:03:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2022-10-15 18:03:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2022-10-15 18:03:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2022-10-15 18:03:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2022-10-15 18:03:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2022-10-15 18:03:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 812 [2022-10-15 18:03:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2022-10-15 18:03:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 822 [2022-10-15 18:03:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2022-10-15 18:03:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 832 [2022-10-15 18:03:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2022-10-15 18:03:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2022-10-15 18:03:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2022-10-15 18:03:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2022-10-15 18:03:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2022-10-15 18:03:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:03:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 50880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50880 trivial. 0 not checked. [2022-10-15 18:03:50,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:03:50,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439110144] [2022-10-15 18:03:50,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439110144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:03:50,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:03:50,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:03:50,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222101306] [2022-10-15 18:03:50,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:03:50,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:03:50,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:03:50,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:03:50,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:03:50,584 INFO L87 Difference]: Start difference. First operand has 232 states, 68 states have (on average 1.0441176470588236) internal successors, (71), 70 states have internal predecessors, (71), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 1 states have call predecessors, (160), 2 states have call successors, (160) [2022-10-15 18:03:50,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:03:50,694 INFO L93 Difference]: Finished difference Result 228 states and 386 transitions. [2022-10-15 18:03:50,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:03:50,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 1 states have call predecessors, (160), 2 states have call successors, (160) Word has length 863 [2022-10-15 18:03:50,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:03:50,724 INFO L225 Difference]: With dead ends: 228 [2022-10-15 18:03:50,725 INFO L226 Difference]: Without dead ends: 228 [2022-10-15 18:03:50,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 482 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 18:03:50,735 INFO L413 NwaCegarLoop]: 386 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, 386 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 18:03:50,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:03:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-10-15 18:03:50,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-10-15 18:03:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 66 states have (on average 1.0) internal successors, (66), 66 states have internal predecessors, (66), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2022-10-15 18:03:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 386 transitions. [2022-10-15 18:03:50,923 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 386 transitions. Word has length 863 [2022-10-15 18:03:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:03:50,925 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 386 transitions. [2022-10-15 18:03:50,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 1 states have call predecessors, (160), 2 states have call successors, (160) [2022-10-15 18:03:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 386 transitions. [2022-10-15 18:03:50,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2022-10-15 18:03:50,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:03:50,972 INFO L195 NwaCegarLoop]: trace histogram [160, 160, 160, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:03:50,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 18:03:50,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:03:50,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:03:50,974 INFO L85 PathProgramCache]: Analyzing trace with hash -588355246, now seen corresponding path program 1 times [2022-10-15 18:03:50,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:03:50,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336411430] [2022-10-15 18:03:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:03:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:04:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat