/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/pthread/fib_safe-7.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 05:57:56,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 05:57:56,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 05:57:56,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 05:57:56,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 05:57:56,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 05:57:56,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 05:57:56,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 05:57:56,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 05:57:56,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 05:57:56,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 05:57:56,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 05:57:56,354 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 05:57:56,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 05:57:56,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 05:57:56,356 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 05:57:56,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 05:57:56,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 05:57:56,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 05:57:56,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 05:57:56,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 05:57:56,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 05:57:56,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 05:57:56,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 05:57:56,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 05:57:56,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 05:57:56,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 05:57:56,358 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 05:57:56,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 05:57:56,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:57:56,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 05:57:56,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 05:57:56,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 05:57:56,360 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 05:57:56,371 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 05:57:56,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 05:57:56,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 05:57:56,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 05:57:56,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 05:57:56,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 05:57:56,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 05:57:56,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 05:57:56,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 05:57:56,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 05:57:56,630 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 05:57:56,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-7.i [2024-05-03 05:57:57,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 05:57:57,975 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 05:57:57,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i [2024-05-03 05:57:57,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e28fc3ccc/bbe33c1a52554886bd94cd669bc82409/FLAGd3df12062 [2024-05-03 05:57:58,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e28fc3ccc/bbe33c1a52554886bd94cd669bc82409 [2024-05-03 05:57:58,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 05:57:58,003 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 05:57:58,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 05:57:58,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 05:57:58,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 05:57:58,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3c4a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58, skipping insertion in model container [2024-05-03 05:57:58,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,067 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 05:57:58,353 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i[30241,30254] [2024-05-03 05:57:58,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:57:58,394 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 05:57:58,445 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i[30241,30254] [2024-05-03 05:57:58,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:57:58,484 INFO L206 MainTranslator]: Completed translation [2024-05-03 05:57:58,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58 WrapperNode [2024-05-03 05:57:58,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 05:57:58,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 05:57:58,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 05:57:58,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 05:57:58,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,548 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-05-03 05:57:58,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 05:57:58,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 05:57:58,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 05:57:58,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 05:57:58,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 05:57:58,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 05:57:58,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 05:57:58,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 05:57:58,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (1/1) ... [2024-05-03 05:57:58,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:57:58,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:57:58,626 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 05:57:58,635 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 05:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-03 05:57:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-03 05:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-03 05:57:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-03 05:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 05:57:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 05:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 05:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 05:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 05:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 05:57:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 05:57:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 05:57:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 05:57:58,678 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 05:57:58,804 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 05:57:58,805 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 05:57:58,938 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 05:57:58,946 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 05:57:58,947 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-03 05:57:58,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:57:58 BoogieIcfgContainer [2024-05-03 05:57:58,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 05:57:58,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 05:57:58,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 05:57:58,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 05:57:58,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 05:57:58" (1/3) ... [2024-05-03 05:57:58,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1aa1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:57:58, skipping insertion in model container [2024-05-03 05:57:58,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:57:58" (2/3) ... [2024-05-03 05:57:58,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1aa1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:57:58, skipping insertion in model container [2024-05-03 05:57:58,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:57:58" (3/3) ... [2024-05-03 05:57:58,955 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-7.i [2024-05-03 05:57:58,963 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 05:57:58,971 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 05:57:58,971 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 05:57:58,971 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 05:57:59,023 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-03 05:57:59,060 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:57:59,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 05:57:59,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:57:59,061 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 05:57:59,064 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 05:57:59,098 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 05:57:59,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 05:57:59,110 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;@40a05981, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:57:59,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 05:57:59,376 INFO L78 Accepts]: Start accepts. Automaton has currently 694 states, but on-demand construction may add more states Word has length 50 [2024-05-03 05:57:59,376 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:57:59,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:57:59,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:57:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash 721324376, now seen corresponding path program 1 times [2024-05-03 05:57:59,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:57:59,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025596126] [2024-05-03 05:57:59,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:57:59,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:57:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:57:59,697 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 05:57:59,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:57:59,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025596126] [2024-05-03 05:57:59,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025596126] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:57:59,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:57:59,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 05:57:59,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891097257] [2024-05-03 05:57:59,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:57:59,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-03 05:57:59,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:57:59,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-03 05:57:59,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-03 05:57:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:57:59,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:57:59,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 05:57:59,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:57:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:57:59,788 INFO L78 Accepts]: Start accepts. Automaton has currently 614 states, but on-demand construction may add more states Word has length 57 [2024-05-03 05:57:59,789 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:57:59,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 05:57:59,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:57:59,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:57:59,790 INFO L85 PathProgramCache]: Analyzing trace with hash -544627393, now seen corresponding path program 1 times [2024-05-03 05:57:59,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:57:59,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028661708] [2024-05-03 05:57:59,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:57:59,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:57:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:57:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:57:59,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:57:59,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028661708] [2024-05-03 05:57:59,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028661708] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:57:59,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437087767] [2024-05-03 05:57:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:57:59,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:57:59,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:00,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:58:00,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 05:58:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:00,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-03 05:58:00,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:00,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:00,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437087767] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:00,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:00,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-03 05:58:00,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126633652] [2024-05-03 05:58:00,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:00,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-03 05:58:00,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:00,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-03 05:58:00,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-03 05:58:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:00,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:00,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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 05:58:00,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:00,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:00,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:00,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:00,433 INFO L78 Accepts]: Start accepts. Automaton has currently 156 states, but on-demand construction may add more states Word has length 71 [2024-05-03 05:58:00,434 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:58:00,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 05:58:00,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-03 05:58:00,641 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:58:00,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:58:00,641 INFO L85 PathProgramCache]: Analyzing trace with hash 587621151, now seen corresponding path program 2 times [2024-05-03 05:58:00,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:58:00,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529294247] [2024-05-03 05:58:00,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:58:00,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:58:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:00,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:58:00,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529294247] [2024-05-03 05:58:00,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529294247] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:58:00,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001062613] [2024-05-03 05:58:00,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:58:00,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:00,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:58:00,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 05:58:00,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:58:00,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:58:00,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-03 05:58:00,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:01,054 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:01,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:01,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001062613] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:01,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:01,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-03 05:58:01,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752519350] [2024-05-03 05:58:01,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:01,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-03 05:58:01,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:01,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-03 05:58:01,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-03 05:58:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:01,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:01,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 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 05:58:01,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:01,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:01,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:01,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:01,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:01,392 INFO L78 Accepts]: Start accepts. Automaton has currently 240 states, but on-demand construction may add more states Word has length 99 [2024-05-03 05:58:01,400 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:58:01,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 05:58:01,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:01,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:58:01,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:58:01,609 INFO L85 PathProgramCache]: Analyzing trace with hash -838301985, now seen corresponding path program 3 times [2024-05-03 05:58:01,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:58:01,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511615181] [2024-05-03 05:58:01,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:58:01,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:58:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:01,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:58:01,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511615181] [2024-05-03 05:58:01,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511615181] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:58:01,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416541731] [2024-05-03 05:58:01,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:58:01,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:01,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:01,981 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:58:02,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 05:58:02,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-03 05:58:02,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:58:02,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-03 05:58:02,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:02,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:02,488 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:02,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416541731] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:02,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:02,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-05-03 05:58:02,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906197220] [2024-05-03 05:58:02,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:02,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-03 05:58:02,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:02,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-03 05:58:02,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-05-03 05:58:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:02,493 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:02,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.617647058823529) internal successors, (157), 34 states have internal predecessors, (157), 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 05:58:02,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:02,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:02,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:02,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:03,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 05:58:03,079 INFO L78 Accepts]: Start accepts. Automaton has currently 408 states, but on-demand construction may add more states Word has length 155 [2024-05-03 05:58:03,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:58:03,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 05:58:03,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:03,289 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:58:03,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:58:03,289 INFO L85 PathProgramCache]: Analyzing trace with hash -747147681, now seen corresponding path program 4 times [2024-05-03 05:58:03,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:58:03,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581766116] [2024-05-03 05:58:03,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:58:03,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:58:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:04,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:58:04,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581766116] [2024-05-03 05:58:04,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581766116] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:58:04,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216471662] [2024-05-03 05:58:04,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:58:04,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:04,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:04,241 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 05:58:04,264 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 05:58:04,359 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:58:04,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:58:04,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-03 05:58:04,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:04,521 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:05,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216471662] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:05,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:05,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 35 [2024-05-03 05:58:05,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717652009] [2024-05-03 05:58:05,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:05,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-03 05:58:05,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:05,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-03 05:58:05,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2024-05-03 05:58:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:05,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:05,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.628571428571429) internal successors, (162), 35 states have internal predecessors, (162), 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 05:58:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 05:58:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 05:58:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 05:58:05,695 INFO L78 Accepts]: Start accepts. Automaton has currently 429 states, but on-demand construction may add more states Word has length 162 [2024-05-03 05:58:05,697 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:58:05,706 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 05:58:05,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:05,906 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:58:05,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:58:05,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2074256808, now seen corresponding path program 5 times [2024-05-03 05:58:05,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:58:05,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824910288] [2024-05-03 05:58:05,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:58:05,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:58:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:58:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:08,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:58:08,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824910288] [2024-05-03 05:58:08,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824910288] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:58:08,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79187454] [2024-05-03 05:58:08,879 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:58:08,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:58:08,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:58:08,880 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 05:58:08,898 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 05:58:08,986 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-05-03 05:58:08,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:58:08,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 57 conjunts are in the unsatisfiable core [2024-05-03 05:58:08,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:58:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 665 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:13,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:58:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:58:18,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79187454] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:58:18,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:58:18,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 163 [2024-05-03 05:58:18,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306929429] [2024-05-03 05:58:18,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:58:18,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 163 states [2024-05-03 05:58:18,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:58:18,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2024-05-03 05:58:18,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1567, Invalid=24839, Unknown=0, NotChecked=0, Total=26406 [2024-05-03 05:58:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:58:18,994 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:58:18,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 163 states, 163 states have (on average 2.815950920245399) internal successors, (459), 163 states have internal predecessors, (459), 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 05:58:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:58:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:58:18,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:58:18,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 05:58:18,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 05:58:18,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:59:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 05:59:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 05:59:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:59:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 05:59:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 05:59:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-05-03 05:59:47,700 INFO L78 Accepts]: Start accepts. Automaton has currently 22247 states, but on-demand construction may add more states Word has length 171 [2024-05-03 05:59:47,701 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:59:47,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 05:59:47,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:59:47,902 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:59:47,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:59:47,903 INFO L85 PathProgramCache]: Analyzing trace with hash 373492993, now seen corresponding path program 1 times [2024-05-03 05:59:47,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:59:47,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519844263] [2024-05-03 05:59:47,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:59:47,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:59:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:59:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 858 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:59:50,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:59:50,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519844263] [2024-05-03 05:59:50,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519844263] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:59:50,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100306092] [2024-05-03 05:59:50,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:59:50,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:59:50,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:59:50,469 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 05:59:50,471 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 05:59:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:59:50,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-03 05:59:50,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:59:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 665 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:59:54,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:00:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 858 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:00:00,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100306092] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:00:00,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:00:00,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59, 59] total 172 [2024-05-03 06:00:00,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633773106] [2024-05-03 06:00:00,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:00:00,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2024-05-03 06:00:00,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:00:00,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2024-05-03 06:00:00,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1576, Invalid=27836, Unknown=0, NotChecked=0, Total=29412 [2024-05-03 06:00:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:00:00,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:00:00,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 2.8488372093023258) internal successors, (490), 172 states have internal predecessors, (490), 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 06:00:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:00:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:00:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:00:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:00:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:00:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:00:00,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:01:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:01:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:01:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:01:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:01:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:01:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:01:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 316 states. [2024-05-03 06:01:59,249 INFO L78 Accepts]: Start accepts. Automaton has currently 49075 states, but on-demand construction may add more states Word has length 191 [2024-05-03 06:01:59,251 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:01:59,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-03 06:01:59,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-03 06:01:59,458 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:01:59,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:01:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1191477567, now seen corresponding path program 2 times [2024-05-03 06:01:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:01:59,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045812298] [2024-05-03 06:01:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:01:59,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:01:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:02:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 0 proven. 916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:02:02,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:02:02,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045812298] [2024-05-03 06:02:02,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045812298] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:02:02,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518069498] [2024-05-03 06:02:02,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 06:02:02,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:02:02,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:02:02,989 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 06:02:02,992 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 06:02:03,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 06:02:03,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:02:03,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 63 conjunts are in the unsatisfiable core [2024-05-03 06:02:03,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:02:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 665 proven. 251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:02:08,767 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:02:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 0 proven. 916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:02:15,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518069498] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:02:15,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:02:15,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 182 [2024-05-03 06:02:15,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186461499] [2024-05-03 06:02:15,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:02:15,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 182 states [2024-05-03 06:02:15,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:02:15,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2024-05-03 06:02:15,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=31289, Unknown=0, NotChecked=0, Total=32942 [2024-05-03 06:02:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:02:15,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:02:15,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 182 states, 182 states have (on average 3.0054945054945055) internal successors, (547), 182 states have internal predecessors, (547), 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 06:02:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:02:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:02:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:02:15,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:02:15,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:02:15,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:02:15,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 316 states. [2024-05-03 06:02:15,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:04:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:04:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:04:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:04:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:04:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:04:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:04:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2024-05-03 06:04:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 390 states. [2024-05-03 06:04:26,736 INFO L78 Accepts]: Start accepts. Automaton has currently 61579 states, but on-demand construction may add more states Word has length 231 [2024-05-03 06:04:26,738 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:04:26,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-03 06:04:26,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:04:26,939 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:04:26,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:04:26,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2090680897, now seen corresponding path program 3 times [2024-05-03 06:04:26,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:04:26,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094708245] [2024-05-03 06:04:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:04:26,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:04:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:04:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 367 proven. 49 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-05-03 06:04:27,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:04:27,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094708245] [2024-05-03 06:04:27,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094708245] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:04:27,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681613877] [2024-05-03 06:04:27,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 06:04:27,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:04:27,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:04:27,532 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 06:04:27,534 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 06:04:27,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-03 06:04:27,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:04:27,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-03 06:04:27,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:04:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2024-05-03 06:04:27,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 06:04:27,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681613877] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 06:04:27,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 06:04:27,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [29] total 31 [2024-05-03 06:04:27,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684238078] [2024-05-03 06:04:27,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 06:04:27,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-03 06:04:27,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:04:27,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-03 06:04:27,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2024-05-03 06:04:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:04:27,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:04:27,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.62962962962963) internal successors, (125), 27 states have internal predecessors, (125), 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 06:04:27,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:04:27,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:04:27,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:04:27,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:04:27,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:04:27,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:04:27,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2024-05-03 06:04:27,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 390 states. [2024-05-03 06:04:27,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2024-05-03 06:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:04:29,775 INFO L78 Accepts]: Start accepts. Automaton has currently 86065 states, but on-demand construction may add more states Word has length 211 [2024-05-03 06:04:29,776 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:04:29,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-03 06:04:29,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:04:29,977 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:04:29,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:04:29,977 INFO L85 PathProgramCache]: Analyzing trace with hash -909458965, now seen corresponding path program 1 times [2024-05-03 06:04:29,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:04:29,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291130539] [2024-05-03 06:04:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:04:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:04:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:04:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 0 proven. 970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:04:33,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:04:33,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291130539] [2024-05-03 06:04:33,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291130539] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:04:33,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282608118] [2024-05-03 06:04:33,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:04:33,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:04:33,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:04:33,073 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 06:04:33,076 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 06:04:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:04:33,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-03 06:04:33,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:04:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 665 proven. 305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:04:38,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:04:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 0 proven. 970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:04:44,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282608118] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:04:44,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:04:44,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 190 [2024-05-03 06:04:44,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323670341] [2024-05-03 06:04:44,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:04:44,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-05-03 06:04:44,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:04:44,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-05-03 06:04:44,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1729, Invalid=34181, Unknown=0, NotChecked=0, Total=35910 [2024-05-03 06:04:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:04:44,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:04:44,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 190 states have (on average 3.194736842105263) internal successors, (607), 190 states have internal predecessors, (607), 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 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 391 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:04:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:06:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-05-03 06:06:14,305 INFO L78 Accepts]: Start accepts. Automaton has currently 130905 states, but on-demand construction may add more states Word has length 231 [2024-05-03 06:06:14,306 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:06:14,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-03 06:06:14,508 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,SelfDestructingSolverStorable9 [2024-05-03 06:06:14,508 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:06:14,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:06:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash 389177451, now seen corresponding path program 2 times [2024-05-03 06:06:14,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:06:14,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342728996] [2024-05-03 06:06:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:06:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:06:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:06:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 1028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:06:17,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:06:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342728996] [2024-05-03 06:06:17,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342728996] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:06:17,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56836365] [2024-05-03 06:06:17,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 06:06:17,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:06:17,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:06:17,989 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 06:06:17,990 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 06:06:18,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 06:06:18,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:06:18,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-03 06:06:18,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:06:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 665 proven. 363 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:06:23,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:06:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 1028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:06:30,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56836365] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:06:30,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:06:30,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70, 70] total 202 [2024-05-03 06:06:30,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446894632] [2024-05-03 06:06:30,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:06:30,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2024-05-03 06:06:30,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:06:30,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2024-05-03 06:06:30,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1894, Invalid=38708, Unknown=0, NotChecked=0, Total=40602 [2024-05-03 06:06:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:06:30,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:06:30,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 3.301980198019802) internal successors, (667), 202 states have internal predecessors, (667), 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 06:06:30,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:06:30,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 391 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-05-03 06:06:30,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:08:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-05-03 06:08:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2024-05-03 06:08:24,708 INFO L78 Accepts]: Start accepts. Automaton has currently 219113 states, but on-demand construction may add more states Word has length 271 [2024-05-03 06:08:24,710 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:08:24,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-03 06:08:24,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:08:24,911 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:08:24,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:08:24,912 INFO L85 PathProgramCache]: Analyzing trace with hash 606133611, now seen corresponding path program 3 times [2024-05-03 06:08:24,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:08:24,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142068101] [2024-05-03 06:08:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:08:24,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:08:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:08:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 367 proven. 49 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-05-03 06:08:25,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:08:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142068101] [2024-05-03 06:08:25,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142068101] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:08:25,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513237896] [2024-05-03 06:08:25,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 06:08:25,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:08:25,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:08:25,492 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 06:08:25,494 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 06:08:25,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-03 06:08:25,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:08:25,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-03 06:08:25,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:08:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2024-05-03 06:08:25,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 06:08:25,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513237896] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 06:08:25,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 06:08:25,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [29] total 31 [2024-05-03 06:08:25,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685618883] [2024-05-03 06:08:25,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 06:08:25,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-03 06:08:25,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:08:25,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-03 06:08:25,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2024-05-03 06:08:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:08:25,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:08:25,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.2) internal successors, (130), 25 states have internal predecessors, (130), 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 06:08:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:08:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:08:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 318 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 391 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2024-05-03 06:08:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:08:38,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 397 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-05-03 06:08:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:08:38,582 INFO L78 Accepts]: Start accepts. Automaton has currently 188222 states, but on-demand construction may add more states Word has length 216 [2024-05-03 06:08:38,584 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:08:38,589 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 06:08:38,788 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,SelfDestructingSolverStorable11 [2024-05-03 06:08:38,788 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:08:38,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:08:38,789 INFO L85 PathProgramCache]: Analyzing trace with hash -899311099, now seen corresponding path program 4 times [2024-05-03 06:08:38,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:08:38,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115873858] [2024-05-03 06:08:38,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:08:38,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:08:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:08:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 0 proven. 977 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:08:42,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:08:42,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115873858] [2024-05-03 06:08:42,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115873858] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:08:42,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996597714] [2024-05-03 06:08:42,077 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 06:08:42,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:08:42,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:08:42,078 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 06:08:42,080 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 06:08:42,191 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 06:08:42,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:08:42,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 67 conjunts are in the unsatisfiable core [2024-05-03 06:08:42,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:08:47,523 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 665 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:08:47,524 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:08:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 0 proven. 977 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:08:54,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996597714] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:08:54,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:08:54,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 193 [2024-05-03 06:08:54,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009347743] [2024-05-03 06:08:54,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:08:54,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 193 states [2024-05-03 06:08:54,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:08:54,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2024-05-03 06:08:54,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1682, Invalid=35374, Unknown=0, NotChecked=0, Total=37056 [2024-05-03 06:08:54,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:08:54,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:08:54,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 193 states, 193 states have (on average 3.22279792746114) internal successors, (622), 193 states have internal predecessors, (622), 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 06:08:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:08:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:08:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 397 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:08:54,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:10:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:10:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:10:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:10:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:10:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:10:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:10:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2024-05-03 06:10:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 397 states. [2024-05-03 06:10:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:10:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2024-05-03 06:10:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-05-03 06:10:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:10:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2024-05-03 06:10:39,155 INFO L78 Accepts]: Start accepts. Automaton has currently 265148 states, but on-demand construction may add more states Word has length 236 [2024-05-03 06:10:39,157 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 06:10:39,162 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 06:10:39,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-03 06:10:39,358 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 06:10:39,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 06:10:39,359 INFO L85 PathProgramCache]: Analyzing trace with hash 494544773, now seen corresponding path program 5 times [2024-05-03 06:10:39,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 06:10:39,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111214148] [2024-05-03 06:10:39,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 06:10:39,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 06:10:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 06:10:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:10:42,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 06:10:42,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111214148] [2024-05-03 06:10:42,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111214148] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 06:10:42,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38226421] [2024-05-03 06:10:42,600 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 06:10:42,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 06:10:42,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 06:10:42,601 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 06:10:42,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-03 06:10:42,723 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-05-03 06:10:42,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 06:10:42,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 71 conjunts are in the unsatisfiable core [2024-05-03 06:10:42,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 06:10:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 665 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:10:48,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 06:10:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 06:10:55,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38226421] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 06:10:55,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 06:10:55,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2024-05-03 06:10:55,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475276093] [2024-05-03 06:10:55,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 06:10:55,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-05-03 06:10:55,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 06:10:55,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-05-03 06:10:55,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1713, Invalid=40107, Unknown=0, NotChecked=0, Total=41820 [2024-05-03 06:10:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 06:10:55,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 06:10:55,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.3268292682926828) internal successors, (682), 205 states have internal predecessors, (682), 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 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 397 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 06:10:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2024-05-03 06:10:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-03 06:11:13,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-03 06:11:13,168 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 06:11:13,168 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 06:11:13,168 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 06:11:13,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-03 06:11:13,328 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 268 known predicates. [2024-05-03 06:11:13,330 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 06:11:13,337 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 3, 1] [2024-05-03 06:11:13,339 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-03 06:11:13,340 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 06:11:13,340 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 06:11:13,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 06:11:13 BasicIcfg [2024-05-03 06:11:13,343 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 06:11:13,343 INFO L158 Benchmark]: Toolchain (without parser) took 795339.88ms. Allocated memory was 262.1MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 189.9MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 783.1MB. Max. memory is 8.0GB. [2024-05-03 06:11:13,343 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 262.1MB. Free memory is still 229.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 06:11:13,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.27ms. Allocated memory is still 262.1MB. Free memory was 189.6MB in the beginning and 169.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-03 06:11:13,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.48ms. Allocated memory is still 262.1MB. Free memory was 169.7MB in the beginning and 167.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 06:11:13,344 INFO L158 Benchmark]: Boogie Preprocessor took 35.07ms. Allocated memory is still 262.1MB. Free memory was 167.6MB in the beginning and 166.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 06:11:13,344 INFO L158 Benchmark]: RCFGBuilder took 362.15ms. Allocated memory is still 262.1MB. Free memory was 166.1MB in the beginning and 151.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-03 06:11:13,344 INFO L158 Benchmark]: TraceAbstraction took 794393.18ms. Allocated memory was 262.1MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 150.0MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 743.2MB. Max. memory is 8.0GB. [2024-05-03 06:11:13,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 262.1MB. Free memory is still 229.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 478.27ms. Allocated memory is still 262.1MB. Free memory was 189.6MB in the beginning and 169.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.48ms. Allocated memory is still 262.1MB. Free memory was 169.7MB in the beginning and 167.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.07ms. Allocated memory is still 262.1MB. Free memory was 167.6MB in the beginning and 166.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 362.15ms. Allocated memory is still 262.1MB. Free memory was 166.1MB in the beginning and 151.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 794393.18ms. Allocated memory was 262.1MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 150.0MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 743.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2779637, independent: 2616431, independent conditional: 2616431, independent unconditional: 0, dependent: 163206, dependent conditional: 163206, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2632416, independent: 2616431, independent conditional: 2616431, independent unconditional: 0, dependent: 15985, dependent conditional: 15985, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2632416, independent: 2616431, independent conditional: 2616431, independent unconditional: 0, dependent: 15985, dependent conditional: 15985, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2807009, independent: 2616431, independent conditional: 677, independent unconditional: 2615754, dependent: 190578, dependent conditional: 173916, dependent unconditional: 16662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2807009, independent: 2616431, independent conditional: 677, independent unconditional: 2615754, dependent: 190578, dependent conditional: 47058, dependent unconditional: 143520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2807009, independent: 2616431, independent conditional: 677, independent unconditional: 2615754, dependent: 190578, dependent conditional: 47058, dependent unconditional: 143520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2000, independent: 513, independent conditional: 102, independent unconditional: 411, dependent: 1487, dependent conditional: 1484, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2000, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 1589, dependent conditional: 0, dependent unconditional: 1589, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1589, independent: 102, independent conditional: 102, independent unconditional: 0, dependent: 1487, dependent conditional: 1484, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1589, independent: 102, independent conditional: 102, independent unconditional: 0, dependent: 1487, dependent conditional: 1484, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3596, independent: 328, independent conditional: 328, independent unconditional: 0, dependent: 3267, dependent conditional: 3237, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2807009, independent: 2615918, independent conditional: 575, independent unconditional: 2615343, dependent: 189091, dependent conditional: 45574, dependent unconditional: 143517, unknown: 2000, unknown conditional: 1586, unknown unconditional: 414] , Statistics on independence cache: Total cache size (in pairs): 2000, Positive cache size: 513, Positive conditional cache size: 102, Positive unconditional cache size: 411, Negative cache size: 1487, Negative conditional cache size: 1484, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 126858, Maximal queried relation: 14, Independence queries for same thread: 147221 - StatisticsResult: Visitor Statistics States: 687, Transitions: 873, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 588, Transitions: 683, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 72, Transitions: 72, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 100, Transitions: 100, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 156, Transitions: 156, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 163, Transitions: 163, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 23050, Transitions: 25462, Traversal time: 88.7s - StatisticsResult: Visitor Statistics States: 49458, Transitions: 53742, Traversal time: 119.0s - StatisticsResult: Visitor Statistics States: 61902, Transitions: 67096, Traversal time: 130.8s - StatisticsResult: Visitor Statistics States: 87020, Transitions: 93848, Traversal time: 2.0s - StatisticsResult: Visitor Statistics States: 131928, Transitions: 141092, Traversal time: 89.4s - StatisticsResult: Visitor Statistics States: 219912, Transitions: 232416, Traversal time: 113.8s - StatisticsResult: Visitor Statistics States: 189388, Transitions: 203813, Traversal time: 12.8s - StatisticsResult: Visitor Statistics States: 266574, Transitions: 287221, Traversal time: 104.7s - StatisticsResult: Visitor Statistics States: 29739, Transitions: 32689, Traversal time: 17.2s - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 268 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 794.3s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 680.4s, 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: 2170, 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: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 108.6s InterpolantComputationTime, 4654 NumberOfCodeBlocks, 4612 NumberOfCodeBlocksAsserted, 97 NumberOfCheckSat, 6416 ConstructedInterpolants, 0 QuantifiedInterpolants, 66517 SizeOfPredicates, 476 NumberOfNonLiveVariables, 4490 ConjunctsInSsa, 566 ConjunctsInUnsatCore, 38 InterpolantComputations, 3 PerfectInterpolantSequences, 9869/28079 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown