/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 07:05:06,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 07:05:06,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 07:05:06,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 07:05:06,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 07:05:06,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 07:05:06,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 07:05:06,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 07:05:06,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 07:05:06,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 07:05:06,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 07:05:06,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 07:05:06,351 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 07:05:06,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 07:05:06,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 07:05:06,351 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 07:05:06,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 07:05:06,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 07:05:06,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 07:05:06,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 07:05:06,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 07:05:06,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 07:05:06,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 07:05:06,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 07:05:06,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 07:05:06,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 07:05:06,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 07:05:06,354 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 07:05:06,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 07:05:06,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 07:05:06,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 07:05:06,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 07:05:06,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 07:05:06,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 07:05:06,356 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 07:05:06,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 07:05:06,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 07:05:06,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 07:05:06,357 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 07:05:06,357 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 07:05:06,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 07:05:06,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 07:05:06,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 07:05:06,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 07:05:06,543 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 07:05:06,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-05-03 07:05:07,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 07:05:07,951 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 07:05:07,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-05-03 07:05:07,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58d011b44/ba1b038e959646348707f025c3a83529/FLAG9b181e9d7 [2024-05-03 07:05:07,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58d011b44/ba1b038e959646348707f025c3a83529 [2024-05-03 07:05:07,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 07:05:07,976 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 07:05:07,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 07:05:07,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 07:05:07,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 07:05:07,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 07:05:07" (1/1) ... [2024-05-03 07:05:07,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16715f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:07, skipping insertion in model container [2024-05-03 07:05:07,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 07:05:07" (1/1) ... [2024-05-03 07:05:08,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 07:05:08,151 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2024-05-03 07:05:08,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 07:05:08,307 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 07:05:08,318 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2024-05-03 07:05:08,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 07:05:08,385 INFO L206 MainTranslator]: Completed translation [2024-05-03 07:05:08,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08 WrapperNode [2024-05-03 07:05:08,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 07:05:08,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 07:05:08,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 07:05:08,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 07:05:08,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,436 INFO L138 Inliner]: procedures = 166, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2024-05-03 07:05:08,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 07:05:08,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 07:05:08,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 07:05:08,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 07:05:08,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 07:05:08,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 07:05:08,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 07:05:08,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 07:05:08,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (1/1) ... [2024-05-03 07:05:08,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 07:05:08,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:05:08,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 07:05:08,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 07:05:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 07:05:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-05-03 07:05:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-05-03 07:05:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 07:05:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-03 07:05:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 07:05:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 07:05:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 07:05:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 07:05:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-03 07:05:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 07:05:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 07:05:08,545 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 07:05:08,643 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 07:05:08,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 07:05:08,923 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 07:05:08,939 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 07:05:08,944 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-03 07:05:08,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:05:08 BoogieIcfgContainer [2024-05-03 07:05:08,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 07:05:08,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 07:05:08,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 07:05:08,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 07:05:08,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 07:05:07" (1/3) ... [2024-05-03 07:05:08,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8481cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 07:05:08, skipping insertion in model container [2024-05-03 07:05:08,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 07:05:08" (2/3) ... [2024-05-03 07:05:08,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8481cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 07:05:08, skipping insertion in model container [2024-05-03 07:05:08,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 07:05:08" (3/3) ... [2024-05-03 07:05:08,953 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-05-03 07:05:08,960 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 07:05:08,968 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 07:05:08,968 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-03 07:05:08,968 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 07:05:09,013 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-03 07:05:09,070 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 07:05:09,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 07:05:09,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:05:09,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 07:05:09,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 07:05:09,126 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 07:05:09,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 07:05:09,137 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@11c57fcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 07:05:09,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 07:05:09,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 07:05:09,161 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 07:05:09,162 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/5) [2024-05-03 07:05:09,168 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 07:05:09,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 07:05:09,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:05:09,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 07:05:09,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-03 07:05:09,247 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 07:05:09,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 07:05:09,248 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@11c57fcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 07:05:09,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 07:05:09,249 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2024-05-03 07:05:09,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 07:05:09,250 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 07:05:09,250 INFO L308 ceAbstractionStarter]: Result for error location workerErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/5) [2024-05-03 07:05:09,254 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 07:05:09,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 07:05:09,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:05:09,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 07:05:09,278 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 07:05:09,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 07:05:09,279 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@11c57fcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 07:05:09,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 07:05:09,279 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2024-05-03 07:05:09,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 07:05:09,280 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 07:05:09,281 INFO L308 ceAbstractionStarter]: Result for error location workerErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/5) [2024-05-03 07:05:09,283 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 07:05:09,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 07:05:09,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:05:09,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-05-03 07:05:09,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 07:05:09,308 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 07:05:09,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 07:05:09,309 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@11c57fcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 07:05:09,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 07:05:09,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-05-03 07:05:09,334 INFO L78 Accepts]: Start accepts. Automaton has currently 76 states, but on-demand construction may add more states Word has length 54 [2024-05-03 07:05:09,335 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:05:09,335 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:05:09,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:05:09,340 INFO L85 PathProgramCache]: Analyzing trace with hash -212220997, now seen corresponding path program 1 times [2024-05-03 07:05:09,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:05:09,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668073422] [2024-05-03 07:05:09,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:05:09,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:05:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:05:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 07:05:09,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:05:09,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668073422] [2024-05-03 07:05:09,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668073422] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 07:05:09,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 07:05:09,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-03 07:05:09,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190914588] [2024-05-03 07:05:09,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 07:05:09,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 07:05:09,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:05:09,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 07:05:09,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-03 07:05:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:05:09,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:05:09,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:05:09,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:05:10,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:05:10,309 INFO L78 Accepts]: Start accepts. Automaton has currently 1717 states, but on-demand construction may add more states Word has length 202 [2024-05-03 07:05:10,311 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:05:10,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 07:05:10,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:05:10,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:05:10,312 INFO L85 PathProgramCache]: Analyzing trace with hash 774098471, now seen corresponding path program 1 times [2024-05-03 07:05:10,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:05:10,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152477212] [2024-05-03 07:05:10,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:05:10,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:05:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:05:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 96 proven. 63 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-03 07:05:12,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:05:12,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152477212] [2024-05-03 07:05:12,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152477212] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:05:12,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834573211] [2024-05-03 07:05:12,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:05:12,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:05:12,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:05:12,054 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:05:12,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 07:05:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:05:12,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 67 conjunts are in the unsatisfiable core [2024-05-03 07:05:12,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:05:12,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-05-03 07:05:13,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:05:13,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:05:13,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:05:14,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:05:14,094 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 82 proven. 70 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-03 07:05:14,094 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 07:05:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 110 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-05-03 07:05:23,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834573211] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 07:05:23,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 07:05:23,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 22] total 65 [2024-05-03 07:05:23,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761429136] [2024-05-03 07:05:23,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 07:05:23,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-05-03 07:05:23,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:05:23,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-05-03 07:05:23,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=3682, Unknown=4, NotChecked=0, Total=4160 [2024-05-03 07:05:23,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:05:23,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:05:23,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.107692307692307) internal successors, (462), 65 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:05:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:05:23,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:05:26,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:05:29,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:05:33,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:05:36,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:05:38,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:00,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:02,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:06,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:08,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:11,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:13,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:17,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:22,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:24,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:26,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:06:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:06:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-05-03 07:06:52,400 INFO L78 Accepts]: Start accepts. Automaton has currently 15093 states, but on-demand construction may add more states Word has length 488 [2024-05-03 07:06:52,402 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:06:52,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 07:06:52,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-03 07:06:52,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:06:52,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:06:52,611 INFO L85 PathProgramCache]: Analyzing trace with hash -762416850, now seen corresponding path program 1 times [2024-05-03 07:06:52,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:06:52,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304039341] [2024-05-03 07:06:52,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:06:52,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:06:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:06:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 673 proven. 58 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-05-03 07:06:54,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:06:54,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304039341] [2024-05-03 07:06:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304039341] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:06:54,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359930734] [2024-05-03 07:06:54,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:06:54,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:06:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:06:54,656 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:06:54,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 07:06:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:06:54,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-03 07:06:54,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:06:55,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-05-03 07:06:56,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:06:56,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:06:56,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:06:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 656 proven. 68 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-05-03 07:06:56,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 07:07:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 689 proven. 12 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-05-03 07:07:02,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359930734] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 07:07:02,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 07:07:02,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 15] total 45 [2024-05-03 07:07:02,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429779681] [2024-05-03 07:07:02,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 07:07:02,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-05-03 07:07:02,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:07:02,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-05-03 07:07:02,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1723, Unknown=2, NotChecked=0, Total=1980 [2024-05-03 07:07:02,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:07:02,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:07:02,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 10.266666666666667) internal successors, (462), 45 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:07:02,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:07:02,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-05-03 07:07:02,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:07:08,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:07:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:07:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2024-05-03 07:07:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-03 07:07:15,254 INFO L78 Accepts]: Start accepts. Automaton has currently 13353 states, but on-demand construction may add more states Word has length 1288 [2024-05-03 07:07:15,257 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:07:15,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-03 07:07:15,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:07:15,469 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:07:15,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:07:15,470 INFO L85 PathProgramCache]: Analyzing trace with hash 705522765, now seen corresponding path program 2 times [2024-05-03 07:07:15,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:07:15,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967239263] [2024-05-03 07:07:15,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:07:15,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:07:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:07:25,893 INFO L134 CoverageAnalysis]: Checked inductivity of 11502 backedges. 5801 proven. 280 refuted. 0 times theorem prover too weak. 5421 trivial. 0 not checked. [2024-05-03 07:07:25,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:07:25,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967239263] [2024-05-03 07:07:25,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967239263] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:07:25,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233376789] [2024-05-03 07:07:25,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 07:07:25,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:07:25,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:07:25,895 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:07:25,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 07:07:26,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 07:07:26,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 07:07:26,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 2627 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-03 07:07:26,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:07:26,538 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-03 07:07:26,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-03 07:07:26,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-05-03 07:07:26,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-03 07:07:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11502 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 11310 trivial. 0 not checked. [2024-05-03 07:07:26,926 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 07:07:26,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233376789] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 07:07:26,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 07:07:26,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [34] total 44 [2024-05-03 07:07:26,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760163534] [2024-05-03 07:07:26,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 07:07:26,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-03 07:07:26,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:07:26,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-03 07:07:26,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1697, Unknown=0, NotChecked=0, Total=1892 [2024-05-03 07:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:07:26,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:07:26,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.166666666666666) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:07:26,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:07:26,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2024-05-03 07:07:26,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-03 07:07:26,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:07:29,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:07:32,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:07:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:07:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-05-03 07:07:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:07:37,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:07:37,127 INFO L78 Accepts]: Start accepts. Automaton has currently 25641 states, but on-demand construction may add more states Word has length 1067 [2024-05-03 07:07:37,133 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:07:37,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-03 07:07:37,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:07:37,343 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:07:37,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:07:37,344 INFO L85 PathProgramCache]: Analyzing trace with hash 413704646, now seen corresponding path program 1 times [2024-05-03 07:07:37,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:07:37,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852108700] [2024-05-03 07:07:37,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:07:37,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:07:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:07:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7465 backedges. 956 proven. 10 refuted. 0 times theorem prover too weak. 6499 trivial. 0 not checked. [2024-05-03 07:07:40,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:07:40,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852108700] [2024-05-03 07:07:40,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852108700] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:07:40,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459437692] [2024-05-03 07:07:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:07:40,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:07:40,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:07:40,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:07:40,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-03 07:07:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:07:40,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 2161 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-03 07:07:40,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:07:41,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:07:41,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:07:41,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:07:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7465 backedges. 955 proven. 11 refuted. 0 times theorem prover too weak. 6499 trivial. 0 not checked. [2024-05-03 07:07:41,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 07:07:47,890 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-05-03 07:07:47,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 62 [2024-05-03 07:07:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 7465 backedges. 954 proven. 12 refuted. 0 times theorem prover too weak. 6499 trivial. 0 not checked. [2024-05-03 07:07:47,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459437692] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 07:07:47,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 07:07:47,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 17] total 44 [2024-05-03 07:07:47,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318444259] [2024-05-03 07:07:47,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 07:07:47,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-03 07:07:47,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:07:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-03 07:07:47,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1610, Unknown=1, NotChecked=0, Total=1892 [2024-05-03 07:07:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:07:47,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:07:47,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.590909090909091) internal successors, (334), 44 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:07:47,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:07:47,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-05-03 07:07:47,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:07:47,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:07:47,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:07:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:07:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-05-03 07:07:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:07:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:07:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:07:53,756 INFO L78 Accepts]: Start accepts. Automaton has currently 24566 states, but on-demand construction may add more states Word has length 1671 [2024-05-03 07:07:53,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:07:53,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-03 07:07:53,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:07:53,969 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:07:53,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:07:53,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2033464065, now seen corresponding path program 1 times [2024-05-03 07:07:53,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:07:53,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700047050] [2024-05-03 07:07:53,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:07:53,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:07:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:07:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 19577 backedges. 9289 proven. 0 refuted. 0 times theorem prover too weak. 10288 trivial. 0 not checked. [2024-05-03 07:07:54,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:07:54,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700047050] [2024-05-03 07:07:54,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700047050] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 07:07:54,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 07:07:54,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 07:07:54,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729298288] [2024-05-03 07:07:54,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 07:07:54,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 07:07:54,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:07:54,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 07:07:54,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-03 07:07:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:07:54,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:07:54,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:07:54,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:07:54,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-05-03 07:07:54,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:07:54,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:07:54,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:07:54,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:07:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:07:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-05-03 07:07:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:07:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:07:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:07:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:07:55,533 INFO L78 Accepts]: Start accepts. Automaton has currently 24877 states, but on-demand construction may add more states Word has length 1701 [2024-05-03 07:07:55,541 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:07:55,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-03 07:07:55,541 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:07:55,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:07:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2138690406, now seen corresponding path program 2 times [2024-05-03 07:07:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:07:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712453404] [2024-05-03 07:07:55,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:07:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:07:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:08:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 20456 backedges. 13083 proven. 97 refuted. 0 times theorem prover too weak. 7276 trivial. 0 not checked. [2024-05-03 07:08:07,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:08:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712453404] [2024-05-03 07:08:07,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712453404] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:08:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634295310] [2024-05-03 07:08:07,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 07:08:07,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:08:07,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:08:07,915 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:08:07,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-03 07:08:08,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 07:08:08,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 07:08:08,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 3448 conjuncts, 92 conjunts are in the unsatisfiable core [2024-05-03 07:08:08,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:08:10,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:08:11,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:08:12,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:08:12,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:08:13,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:08:13,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:08:13,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:08:13,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20456 backedges. 12972 proven. 194 refuted. 0 times theorem prover too weak. 7290 trivial. 0 not checked. [2024-05-03 07:08:13,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 07:09:46,308 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-05-03 07:09:46,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 64 [2024-05-03 07:09:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20456 backedges. 13004 proven. 160 refuted. 2 times theorem prover too weak. 7290 trivial. 0 not checked. [2024-05-03 07:09:46,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634295310] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 07:09:46,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 07:09:46,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 37, 35] total 103 [2024-05-03 07:09:46,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982767499] [2024-05-03 07:09:46,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 07:09:46,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-05-03 07:09:46,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:09:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-05-03 07:09:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1370, Invalid=9103, Unknown=33, NotChecked=0, Total=10506 [2024-05-03 07:09:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:09:46,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:09:46,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 8.970873786407767) internal successors, (924), 103 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:09:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:09:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-05-03 07:09:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:09:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:09:46,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:09:46,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:09:46,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:09:56,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:09:58,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:10:06,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:10:08,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:10:36,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:10:38,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:10:58,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:11:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:11:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-05-03 07:11:02,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:11:02,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:11:02,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:11:02,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:11:02,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 483 states. [2024-05-03 07:11:02,267 INFO L78 Accepts]: Start accepts. Automaton has currently 42959 states, but on-demand construction may add more states Word has length 2906 [2024-05-03 07:11:02,278 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:11:02,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-03 07:11:02,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:11:02,488 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:11:02,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:11:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1642063050, now seen corresponding path program 3 times [2024-05-03 07:11:02,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:11:02,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47932169] [2024-05-03 07:11:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:11:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:11:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:11:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 63057 backedges. 10349 proven. 7 refuted. 0 times theorem prover too weak. 52701 trivial. 0 not checked. [2024-05-03 07:11:06,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:11:06,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47932169] [2024-05-03 07:11:06,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47932169] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:11:06,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567652632] [2024-05-03 07:11:06,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 07:11:06,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:11:06,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:11:06,748 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:11:06,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-03 07:11:07,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-03 07:11:07,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 07:11:07,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-03 07:11:07,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:11:15,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:11:16,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:11:16,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:11:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 63057 backedges. 4943 proven. 384 refuted. 0 times theorem prover too weak. 57730 trivial. 0 not checked. [2024-05-03 07:11:16,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 07:11:17,036 INFO L349 Elim1Store]: treesize reduction 4, result has 88.2 percent of original size [2024-05-03 07:11:17,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 59 [2024-05-03 07:11:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 63057 backedges. 4584 proven. 21 refuted. 0 times theorem prover too weak. 58452 trivial. 0 not checked. [2024-05-03 07:11:17,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567652632] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 07:11:17,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 07:11:17,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 21, 17] total 37 [2024-05-03 07:11:17,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828916435] [2024-05-03 07:11:17,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 07:11:17,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-03 07:11:17,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:11:17,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-03 07:11:17,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1158, Unknown=0, NotChecked=0, Total=1332 [2024-05-03 07:11:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:11:17,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:11:17,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 13.405405405405405) internal successors, (496), 37 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:11:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:11:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-05-03 07:11:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:11:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:11:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:11:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:11:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 483 states. [2024-05-03 07:11:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:11:32,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 07:11:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:11:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2024-05-03 07:11:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:11:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:11:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:11:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:11:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 492 states. [2024-05-03 07:11:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-03 07:11:32,721 INFO L78 Accepts]: Start accepts. Automaton has currently 96385 states, but on-demand construction may add more states Word has length 3947 [2024-05-03 07:11:32,737 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:11:32,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-03 07:11:32,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-03 07:11:32,943 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:11:32,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:11:32,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1053035468, now seen corresponding path program 2 times [2024-05-03 07:11:32,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:11:32,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120482226] [2024-05-03 07:11:32,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:11:32,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:11:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:13:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 119114 backedges. 56133 proven. 1118 refuted. 0 times theorem prover too weak. 61863 trivial. 0 not checked. [2024-05-03 07:13:31,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:13:31,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120482226] [2024-05-03 07:13:31,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120482226] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:13:31,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242139954] [2024-05-03 07:13:31,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 07:13:31,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:13:31,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:13:31,876 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:13:31,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-03 07:13:33,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 07:13:33,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 07:13:33,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 7994 conjuncts, 88 conjunts are in the unsatisfiable core [2024-05-03 07:13:33,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:13:36,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:13:37,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:13:37,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:13:38,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:13:38,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:13:39,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:13:39,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:13:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 119114 backedges. 53181 proven. 218 refuted. 0 times theorem prover too weak. 65715 trivial. 0 not checked. [2024-05-03 07:13:39,276 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 07:13:55,470 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-05-03 07:13:55,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 30 [2024-05-03 07:13:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 119114 backedges. 53334 proven. 65 refuted. 0 times theorem prover too weak. 65715 trivial. 0 not checked. [2024-05-03 07:13:55,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242139954] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 07:13:55,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 07:13:55,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 29, 28] total 109 [2024-05-03 07:13:55,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206233245] [2024-05-03 07:13:55,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 07:13:55,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-05-03 07:13:55,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:13:55,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-05-03 07:13:55,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1182, Invalid=10588, Unknown=2, NotChecked=0, Total=11772 [2024-05-03 07:13:55,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:13:55,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:13:55,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 8.513761467889909) internal successors, (928), 109 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 394 states. [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 492 states. [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-03 07:13:55,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:14:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:14:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2024-05-03 07:14:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:14:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:14:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:14:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:14:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 492 states. [2024-05-03 07:14:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-03 07:14:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 462 states. [2024-05-03 07:14:44,926 INFO L78 Accepts]: Start accepts. Automaton has currently 81351 states, but on-demand construction may add more states Word has length 4729 [2024-05-03 07:14:44,951 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:14:44,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-05-03 07:14:45,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:14:45,161 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:14:45,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:14:45,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2099047804, now seen corresponding path program 3 times [2024-05-03 07:14:45,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:14:45,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127123655] [2024-05-03 07:14:45,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:14:45,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:14:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:14:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 174432 backedges. 57987 proven. 8 refuted. 0 times theorem prover too weak. 116437 trivial. 0 not checked. [2024-05-03 07:14:57,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:14:57,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127123655] [2024-05-03 07:14:57,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127123655] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:14:57,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225119961] [2024-05-03 07:14:57,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 07:14:57,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:14:57,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:14:57,074 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:14:57,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-03 07:14:57,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-05-03 07:14:57,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 07:14:57,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-03 07:14:58,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:15:09,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:15:09,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:15:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 174432 backedges. 3395 proven. 1188 refuted. 0 times theorem prover too weak. 169849 trivial. 0 not checked. [2024-05-03 07:15:09,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 07:15:10,225 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-05-03 07:15:10,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 1 [2024-05-03 07:15:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 174432 backedges. 2231 proven. 0 refuted. 0 times theorem prover too weak. 172201 trivial. 0 not checked. [2024-05-03 07:15:10,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225119961] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-03 07:15:10,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-03 07:15:10,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10, 15] total 33 [2024-05-03 07:15:10,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261390423] [2024-05-03 07:15:10,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 07:15:10,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-03 07:15:10,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 07:15:10,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-03 07:15:10,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=935, Unknown=0, NotChecked=0, Total=1056 [2024-05-03 07:15:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:15:10,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 07:15:10,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 12 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 394 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 492 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 462 states. [2024-05-03 07:15:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 07:15:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 494 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 677 states. [2024-05-03 07:15:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-03 07:15:48,894 INFO L78 Accepts]: Start accepts. Automaton has currently 149487 states, but on-demand construction may add more states Word has length 6693 [2024-05-03 07:15:48,943 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 07:15:48,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-03 07:15:49,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-03 07:15:49,153 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 07:15:49,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 07:15:49,154 INFO L85 PathProgramCache]: Analyzing trace with hash -46905419, now seen corresponding path program 4 times [2024-05-03 07:15:49,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 07:15:49,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326227009] [2024-05-03 07:15:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 07:15:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 07:15:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 07:16:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 352481 backedges. 171063 proven. 8 refuted. 0 times theorem prover too weak. 181410 trivial. 0 not checked. [2024-05-03 07:16:12,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 07:16:12,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326227009] [2024-05-03 07:16:12,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326227009] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 07:16:12,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942025701] [2024-05-03 07:16:12,759 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 07:16:12,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 07:16:12,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 07:16:12,760 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 07:16:12,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-03 07:16:15,506 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 07:16:15,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 07:16:15,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 12988 conjuncts, 668 conjunts are in the unsatisfiable core [2024-05-03 07:16:15,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 07:16:16,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:16,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:17,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:17,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:17,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:18,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:18,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:18,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:18,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:19,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:19,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:19,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:19,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:20,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:20,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:20,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:21,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:21,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:21,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:21,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:22,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:22,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:22,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:23,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:23,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:23,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:24,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:24,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:24,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:24,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:25,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:25,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:25,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:26,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:26,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:27,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:27,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:27,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:27,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:27,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:28,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:28,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:16:29,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-05-03 07:16:29,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:29,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:29,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:29,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:30,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:30,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:31,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:31,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:31,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:31,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:31,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:32,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-05-03 07:16:32,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-03 07:16:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 352481 backedges. 141356 proven. 13862 refuted. 0 times theorem prover too weak. 197263 trivial. 0 not checked. [2024-05-03 07:16:32,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 07:18:26,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 07:18:26,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 186 Received shutdown request... [2024-05-03 07:19:06,839 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:19:06,844 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:19:06,844 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:19:06,844 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:19:06,857 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:19:06,857 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 07:19:07,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-03 07:19:07,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2024-05-03 07:19:07,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-05-03 07:19:07,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-05-03 07:19:07,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-03 07:19:08,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 07:19:08,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-05-03 07:19:08,062 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 6694 with TraceHistMax 122,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2024-05-03 07:19:08,064 INFO L445 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1] [2024-05-03 07:19:08,064 INFO L308 ceAbstractionStarter]: Result for error location workerErr1ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (4/5) [2024-05-03 07:19:08,067 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 07:19:08,067 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 07:19:08,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 07:19:08 BasicIcfg [2024-05-03 07:19:08,070 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 07:19:08,070 INFO L158 Benchmark]: Toolchain (without parser) took 840094.85ms. Allocated memory was 318.8MB in the beginning and 7.4GB in the end (delta: 7.1GB). Free memory was 248.7MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2024-05-03 07:19:08,070 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 164.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 07:19:08,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.19ms. Allocated memory is still 318.8MB. Free memory was 248.2MB in the beginning and 227.7MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-03 07:19:08,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.51ms. Allocated memory is still 318.8MB. Free memory was 227.7MB in the beginning and 225.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 07:19:08,071 INFO L158 Benchmark]: Boogie Preprocessor took 20.71ms. Allocated memory is still 318.8MB. Free memory was 225.5MB in the beginning and 223.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 07:19:08,071 INFO L158 Benchmark]: RCFGBuilder took 486.57ms. Allocated memory is still 318.8MB. Free memory was 223.5MB in the beginning and 281.1MB in the end (delta: -57.6MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-05-03 07:19:08,071 INFO L158 Benchmark]: TraceAbstraction took 839121.75ms. Allocated memory was 318.8MB in the beginning and 7.4GB in the end (delta: 7.1GB). Free memory was 279.5MB in the beginning and 4.0GB in the end (delta: -3.7GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2024-05-03 07:19:08,076 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-05-03 07:19:08,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 164.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 409.19ms. Allocated memory is still 318.8MB. Free memory was 248.2MB in the beginning and 227.7MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.51ms. Allocated memory is still 318.8MB. Free memory was 227.7MB in the beginning and 225.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.71ms. Allocated memory is still 318.8MB. Free memory was 225.5MB in the beginning and 223.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 486.57ms. Allocated memory is still 318.8MB. Free memory was 223.5MB in the beginning and 281.1MB in the end (delta: -57.6MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 839121.75ms. Allocated memory was 318.8MB in the beginning and 7.4GB in the end (delta: 7.1GB). Free memory was 279.5MB in the beginning and 4.0GB in the end (delta: -3.7GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 36, Transitions: 35, Traversal time: 0.0s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 14225449.3s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 14225449.3s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 589530, independent: 560282, independent conditional: 560282, independent unconditional: 0, dependent: 29248, dependent conditional: 29248, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 562421, independent: 560282, independent conditional: 560282, independent unconditional: 0, dependent: 2139, dependent conditional: 2139, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 562421, independent: 560282, independent conditional: 560282, independent unconditional: 0, dependent: 2139, dependent conditional: 2139, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 579258, independent: 560282, independent conditional: 0, independent unconditional: 560282, dependent: 18976, dependent conditional: 16837, dependent unconditional: 2139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 579258, independent: 560282, independent conditional: 0, independent unconditional: 560282, dependent: 18976, dependent conditional: 11552, dependent unconditional: 7424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 579258, independent: 560282, independent conditional: 0, independent unconditional: 560282, dependent: 18976, dependent conditional: 11552, dependent unconditional: 7424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2472, independent: 2070, independent conditional: 0, independent unconditional: 2070, dependent: 402, dependent conditional: 391, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2472, independent: 2067, independent conditional: 0, independent unconditional: 2067, dependent: 405, dependent conditional: 0, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 405, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 402, dependent conditional: 391, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 402, dependent conditional: 391, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1097, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 1088, dependent conditional: 1016, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 579258, independent: 558212, independent conditional: 0, independent unconditional: 558212, dependent: 18574, dependent conditional: 11161, dependent unconditional: 7413, unknown: 2472, unknown conditional: 391, unknown unconditional: 2081] , Statistics on independence cache: Total cache size (in pairs): 2472, Positive cache size: 2070, Positive conditional cache size: 0, Positive unconditional cache size: 2070, Negative cache size: 402, Negative conditional cache size: 391, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5285, Maximal queried relation: 10, Independence queries for same thread: 27109 - StatisticsResult: Visitor Statistics States: 55, Transitions: 54, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 1708, Transitions: 1799, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 15445, Transitions: 16634, Traversal time: 88.6s - StatisticsResult: Visitor Statistics States: 12883, Transitions: 13376, Traversal time: 13.0s - StatisticsResult: Visitor Statistics States: 25856, Transitions: 27413, Traversal time: 10.2s - StatisticsResult: Visitor Statistics States: 24406, Transitions: 25642, Traversal time: 5.8s - StatisticsResult: Visitor Statistics States: 24734, Transitions: 25931, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 42270, Transitions: 44636, Traversal time: 75.9s - StatisticsResult: Visitor Statistics States: 96758, Transitions: 102455, Traversal time: 15.6s - StatisticsResult: Visitor Statistics States: 80727, Transitions: 85307, Traversal time: 49.4s - StatisticsResult: Visitor Statistics States: 149667, Transitions: 159536, Traversal time: 38.6s - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 6694 with TraceHistMax 122,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 3 procedures, 190 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: workerErr1ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 3 procedures, 190 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: workerErr1ASSERT_VIOLATIONERROR_FUNCTION with 2 thread instances CFG has 3 procedures, 190 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 838.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 298.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1942, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.8s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 332.8s InterpolantComputationTime, 34381 NumberOfCodeBlocks, 26982 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 49396 ConstructedInterpolants, 450 QuantifiedInterpolants, 160856 SizeOfPredicates, 224 NumberOfNonLiveVariables, 18244 ConjunctsInSsa, 456 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 1196642/1200707 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: workerErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 3 procedures, 190 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown