/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 -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 03:37:52,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 03:37:52,213 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 03:37:52,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 03:37:52,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 03:37:52,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 03:37:52,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 03:37:52,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 03:37:52,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 03:37:52,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 03:37:52,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 03:37:52,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 03:37:52,261 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 03:37:52,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 03:37:52,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 03:37:52,263 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 03:37:52,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 03:37:52,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 03:37:52,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 03:37:52,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 03:37:52,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 03:37:52,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 03:37:52,264 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 03:37:52,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 03:37:52,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 03:37:52,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 03:37:52,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 03:37:52,265 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 03:37:52,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 03:37:52,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 03:37:52,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 03:37:52,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 03:37:52,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 03:37:52,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 03:37:52,267 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 03:37:52,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 03:37:52,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 03:37:52,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 03:37:52,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 03:37:52,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 03:37:52,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 03:37:52,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 03:37:52,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 03:37:52,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 03:37:52,551 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 03:37:52,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-6.i [2024-04-06 03:37:53,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 03:37:53,966 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 03:37:53,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-6.i [2024-04-06 03:37:53,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3fc577385/235b1bb0186e46129800818ec1a174b2/FLAG6c808cc18 [2024-04-06 03:37:53,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3fc577385/235b1bb0186e46129800818ec1a174b2 [2024-04-06 03:37:53,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 03:37:53,998 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 03:37:53,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 03:37:53,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 03:37:54,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 03:37:54,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 03:37:53" (1/1) ... [2024-04-06 03:37:54,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14689897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54, skipping insertion in model container [2024-04-06 03:37:54,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 03:37:53" (1/1) ... [2024-04-06 03:37:54,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 03:37:54,278 WARN L240 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-6.i[30241,30254] [2024-04-06 03:37:54,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 03:37:54,304 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 03:37:54,337 WARN L240 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-6.i[30241,30254] [2024-04-06 03:37:54,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 03:37:54,360 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 03:37:54,361 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 03:37:54,366 INFO L206 MainTranslator]: Completed translation [2024-04-06 03:37:54,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54 WrapperNode [2024-04-06 03:37:54,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 03:37:54,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 03:37:54,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 03:37:54,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 03:37:54,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,411 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-04-06 03:37:54,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 03:37:54,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 03:37:54,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 03:37:54,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 03:37:54,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 03:37:54,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 03:37:54,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 03:37:54,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 03:37:54,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (1/1) ... [2024-04-06 03:37:54,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 03:37:54,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:37:54,486 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) [2024-04-06 03:37:54,507 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 [2024-04-06 03:37:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-04-06 03:37:54,541 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-04-06 03:37:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-04-06 03:37:54,541 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-04-06 03:37:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 03:37:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 03:37:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 03:37:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 03:37:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 03:37:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 03:37:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 03:37:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 03:37:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 03:37:54,544 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 03:37:54,666 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 03:37:54,668 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 03:37:54,851 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 03:37:54,866 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 03:37:54,866 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-06 03:37:54,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 03:37:54 BoogieIcfgContainer [2024-04-06 03:37:54,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 03:37:54,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 03:37:54,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 03:37:54,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 03:37:54,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 03:37:53" (1/3) ... [2024-04-06 03:37:54,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d48714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 03:37:54, skipping insertion in model container [2024-04-06 03:37:54,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:37:54" (2/3) ... [2024-04-06 03:37:54,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d48714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 03:37:54, skipping insertion in model container [2024-04-06 03:37:54,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 03:37:54" (3/3) ... [2024-04-06 03:37:54,874 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-6.i [2024-04-06 03:37:54,892 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 03:37:54,899 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 03:37:54,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 03:37:54,900 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 03:37:54,940 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-06 03:37:55,006 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 03:37:55,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 03:37:55,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:37:55,018 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) [2024-04-06 03:37:55,031 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 [2024-04-06 03:37:55,076 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 03:37:55,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:37:55,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 03:37:55,130 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;@7b6d30ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 03:37:55,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-06 03:37:55,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:37:55,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:37:55,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1184059601, now seen corresponding path program 1 times [2024-04-06 03:37:55,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:37:55,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265933353] [2024-04-06 03:37:55,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:37:55,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:37:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:37:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:55,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:37:55,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265933353] [2024-04-06 03:37:55,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265933353] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:37:55,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:37:55,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 03:37:55,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16586452] [2024-04-06 03:37:55,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:37:55,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 03:37:55,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:37:55,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 03:37:55,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 03:37:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:55,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:37:55,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-04-06 03:37:55,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:55,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 03:37:55,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:37:55,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:37:55,822 INFO L85 PathProgramCache]: Analyzing trace with hash 546730109, now seen corresponding path program 1 times [2024-04-06 03:37:55,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:37:55,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789242936] [2024-04-06 03:37:55,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:37:55,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:37:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:37:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:56,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:37:56,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789242936] [2024-04-06 03:37:56,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789242936] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:37:56,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109260898] [2024-04-06 03:37:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:37:56,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:37:56,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:37:56,140 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) [2024-04-06 03:37:56,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 03:37:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:37:56,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 03:37:56,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:37:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:56,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:37:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:56,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109260898] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:37:56,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:37:56,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-06 03:37:56,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831351415] [2024-04-06 03:37:56,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:37:56,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-06 03:37:56,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:37:56,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-06 03:37:56,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-06 03:37:56,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:56,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:37:56,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 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) [2024-04-06 03:37:56,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:56,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:37:56,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 03:37:56,663 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 [2024-04-06 03:37:56,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:37:56,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:37:56,665 INFO L85 PathProgramCache]: Analyzing trace with hash -872570179, now seen corresponding path program 2 times [2024-04-06 03:37:56,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:37:56,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954043300] [2024-04-06 03:37:56,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:37:56,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:37:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:37:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:56,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:37:56,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954043300] [2024-04-06 03:37:56,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954043300] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:37:56,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026697964] [2024-04-06 03:37:56,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 03:37:56,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:37:56,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:37:56,947 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) [2024-04-06 03:37:56,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 03:37:57,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 03:37:57,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:37:57,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-06 03:37:57,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:37:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:57,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:37:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:57,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026697964] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:37:57,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:37:57,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-06 03:37:57,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481322702] [2024-04-06 03:37:57,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:37:57,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-06 03:37:57,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:37:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-06 03:37:57,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-06 03:37:57,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:57,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:37:57,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.833333333333334) internal successors, (195), 18 states have internal predecessors, (195), 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) [2024-04-06 03:37:57,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:57,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:37:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:57,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:37:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:57,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-06 03:37:57,748 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 [2024-04-06 03:37:57,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:37:57,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:37:57,753 INFO L85 PathProgramCache]: Analyzing trace with hash 328881981, now seen corresponding path program 3 times [2024-04-06 03:37:57,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:37:57,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871223048] [2024-04-06 03:37:57,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:37:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:37:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:37:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:58,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:37:58,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871223048] [2024-04-06 03:37:58,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871223048] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:37:58,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354710055] [2024-04-06 03:37:58,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 03:37:58,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:37:58,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:37:58,138 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) [2024-04-06 03:37:58,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 03:37:58,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-06 03:37:58,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:37:58,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-06 03:37:58,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:37:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:58,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:37:58,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354710055] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:37:58,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 03:37:58,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [17] total 32 [2024-04-06 03:37:58,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785167794] [2024-04-06 03:37:58,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:37:58,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-06 03:37:58,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:37:58,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-06 03:37:58,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2024-04-06 03:37:58,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:58,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:37:58,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.764705882352942) internal successors, (183), 17 states have internal predecessors, (183), 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) [2024-04-06 03:37:58,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:58,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:37:58,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:58,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:37:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:58,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 03:37:58,990 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 [2024-04-06 03:37:58,990 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:37:58,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:37:58,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1219746159, now seen corresponding path program 1 times [2024-04-06 03:37:58,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:37:58,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573147302] [2024-04-06 03:37:58,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:37:58,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:37:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:37:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:37:59,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:37:59,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573147302] [2024-04-06 03:37:59,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573147302] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:37:59,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55948257] [2024-04-06 03:37:59,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:37:59,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:37:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:37:59,316 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) [2024-04-06 03:37:59,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 03:37:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:37:59,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-06 03:37:59,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:37:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-06 03:37:59,670 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:37:59,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55948257] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:37:59,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 03:37:59,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [17] total 30 [2024-04-06 03:37:59,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230244036] [2024-04-06 03:37:59,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:37:59,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-06 03:37:59,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:37:59,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-06 03:37:59,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2024-04-06 03:37:59,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:59,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:37:59,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.466666666666667) internal successors, (172), 15 states have internal predecessors, (172), 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) [2024-04-06 03:37:59,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:59,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:37:59,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:59,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:59,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:37:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:37:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:37:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:59,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:37:59,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 03:38:00,096 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 [2024-04-06 03:38:00,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:38:00,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:38:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1601501288, now seen corresponding path program 1 times [2024-04-06 03:38:00,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:38:00,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56907084] [2024-04-06 03:38:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:38:00,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:38:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:38:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:00,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:38:00,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56907084] [2024-04-06 03:38:00,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56907084] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:38:00,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300485936] [2024-04-06 03:38:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:38:00,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:38:00,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:38:00,433 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) [2024-04-06 03:38:00,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 03:38:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:38:00,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-06 03:38:00,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:38:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:00,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:38:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:00,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300485936] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:38:00,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:38:00,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2024-04-06 03:38:00,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776174501] [2024-04-06 03:38:00,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:38:00,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-06 03:38:00,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:38:00,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-06 03:38:00,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2024-04-06 03:38:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:38:00,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:38:00,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.548387096774194) internal successors, (296), 31 states have internal predecessors, (296), 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) [2024-04-06 03:38:00,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:38:00,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:38:00,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:00,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:00,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:00,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:38:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:38:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:38:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:38:01,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 03:38:01,530 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 [2024-04-06 03:38:01,530 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:38:01,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:38:01,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1442077135, now seen corresponding path program 2 times [2024-04-06 03:38:01,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:38:01,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034355055] [2024-04-06 03:38:01,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:38:01,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:38:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:38:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:04,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:38:04,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034355055] [2024-04-06 03:38:04,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034355055] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:38:04,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486584152] [2024-04-06 03:38:04,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 03:38:04,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:38:04,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:38:04,452 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) [2024-04-06 03:38:04,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 03:38:04,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 03:38:04,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:38:04,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-06 03:38:04,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:38:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 161 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:09,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:38:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:15,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486584152] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:38:15,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:38:15,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-04-06 03:38:15,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245967321] [2024-04-06 03:38:15,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:38:15,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-04-06 03:38:15,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:38:15,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-04-06 03:38:15,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1483, Invalid=31097, Unknown=0, NotChecked=0, Total=32580 [2024-04-06 03:38:15,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:38:15,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:38:15,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.4640883977900554) internal successors, (627), 181 states have internal predecessors, (627), 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) [2024-04-06 03:38:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:38:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:38:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:38:15,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:38:25,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:38:25,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:38:25,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:25,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:25,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:25,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:38:25,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-06 03:38:25,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 03:38:25,947 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 [2024-04-06 03:38:25,947 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:38:25,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:38:25,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1347163404, now seen corresponding path program 1 times [2024-04-06 03:38:25,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:38:25,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59344473] [2024-04-06 03:38:25,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:38:25,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:38:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:38:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 780 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:26,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:38:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59344473] [2024-04-06 03:38:26,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59344473] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:38:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671773850] [2024-04-06 03:38:26,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:38:26,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:38:26,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:38:26,636 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) [2024-04-06 03:38:26,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 03:38:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:38:26,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-06 03:38:26,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:38:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 906 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:26,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 03:38:26,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671773850] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:38:26,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 03:38:26,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [31] total 33 [2024-04-06 03:38:26,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086237017] [2024-04-06 03:38:26,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:38:26,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-06 03:38:26,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:38:26,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-06 03:38:26,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=795, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 03:38:26,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:38:26,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:38:26,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.161290322580645) internal successors, (222), 31 states have internal predecessors, (222), 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) [2024-04-06 03:38:26,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:38:26,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:38:26,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:26,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:26,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:38:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-06 03:38:26,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:38:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:38:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:38:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:38:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2024-04-06 03:38:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:38:44,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-06 03:38:44,719 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 [2024-04-06 03:38:44,719 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:38:44,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:38:44,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1805961285, now seen corresponding path program 3 times [2024-04-06 03:38:44,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:38:44,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805389754] [2024-04-06 03:38:44,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:38:44,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:38:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:38:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:47,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:38:47,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805389754] [2024-04-06 03:38:47,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805389754] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:38:47,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916760026] [2024-04-06 03:38:47,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 03:38:47,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:38:47,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:38:47,262 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) [2024-04-06 03:38:47,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 03:38:47,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-06 03:38:47,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:38:47,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-06 03:38:47,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:38:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 117 proven. 696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:52,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:38:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:38:57,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916760026] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:38:57,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:38:57,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-04-06 03:38:57,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930735424] [2024-04-06 03:38:57,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:38:57,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-04-06 03:38:57,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:38:57,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-04-06 03:38:57,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1443, Invalid=31137, Unknown=0, NotChecked=0, Total=32580 [2024-04-06 03:38:57,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:38:57,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:38:57,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.4640883977900554) internal successors, (627), 181 states have internal predecessors, (627), 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) [2024-04-06 03:38:57,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:38:57,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:38:57,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:57,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:57,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:38:57,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:38:57,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2024-04-06 03:38:57,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:38:57,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:39:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-04-06 03:39:32,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-06 03:39:32,556 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 [2024-04-06 03:39:32,556 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:39:32,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:39:32,557 INFO L85 PathProgramCache]: Analyzing trace with hash -689988753, now seen corresponding path program 2 times [2024-04-06 03:39:32,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:39:32,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27899969] [2024-04-06 03:39:32,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:39:32,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:39:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:39:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:39:34,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:39:34,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27899969] [2024-04-06 03:39:34,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27899969] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:39:34,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364467820] [2024-04-06 03:39:34,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 03:39:34,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:39:34,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:39:34,840 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) [2024-04-06 03:39:34,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 03:39:34,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 03:39:34,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:39:34,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-06 03:39:34,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:39:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 161 proven. 621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:39:38,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:39:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:39:43,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364467820] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:39:43,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:39:43,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61, 61] total 175 [2024-04-06 03:39:43,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157061937] [2024-04-06 03:39:43,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:39:43,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2024-04-06 03:39:43,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:39:43,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2024-04-06 03:39:43,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1633, Invalid=28817, Unknown=0, NotChecked=0, Total=30450 [2024-04-06 03:39:43,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:39:43,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:39:43,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 3.4457142857142857) internal successors, (603), 175 states have internal predecessors, (603), 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) [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-04-06 03:39:43,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:41:14,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:41:14,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-04-06 03:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-04-06 03:41:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2024-04-06 03:41:14,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-06 03:41:15,174 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 [2024-04-06 03:41:15,176 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:41:15,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:41:15,176 INFO L85 PathProgramCache]: Analyzing trace with hash -932220465, now seen corresponding path program 4 times [2024-04-06 03:41:15,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:41:15,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884062440] [2024-04-06 03:41:15,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:41:15,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:41:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:41:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:41:17,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:41:17,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884062440] [2024-04-06 03:41:17,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884062440] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:41:17,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466511165] [2024-04-06 03:41:17,734 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 03:41:17,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:41:17,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:41:17,736 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) [2024-04-06 03:41:17,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 03:41:17,849 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 03:41:17,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:41:17,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-06 03:41:17,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:41:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 161 proven. 652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:41:22,091 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:41:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:41:26,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466511165] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:41:26,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:41:26,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-04-06 03:41:26,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808671680] [2024-04-06 03:41:26,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:41:26,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-04-06 03:41:26,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:41:26,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-04-06 03:41:26,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1459, Invalid=31121, Unknown=0, NotChecked=0, Total=32580 [2024-04-06 03:41:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:41:26,919 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:41:26,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.4640883977900554) internal successors, (627), 181 states have internal predecessors, (627), 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) [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2024-04-06 03:41:26,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:42:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2024-04-06 03:42:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2024-04-06 03:42:12,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-06 03:42:13,178 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 [2024-04-06 03:42:13,179 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:42:13,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:42:13,179 INFO L85 PathProgramCache]: Analyzing trace with hash -115956081, now seen corresponding path program 5 times [2024-04-06 03:42:13,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:42:13,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433605610] [2024-04-06 03:42:13,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:42:13,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:42:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:42:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:42:15,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:42:15,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433605610] [2024-04-06 03:42:15,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433605610] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:42:15,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755527067] [2024-04-06 03:42:15,840 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 03:42:15,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:42:15,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:42:15,841 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) [2024-04-06 03:42:15,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 03:42:15,952 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-06 03:42:15,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:42:15,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-06 03:42:15,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:42:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 117 proven. 696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:42:21,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:42:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:42:26,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755527067] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:42:26,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:42:26,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-04-06 03:42:26,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139835222] [2024-04-06 03:42:26,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:42:26,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-04-06 03:42:26,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:42:26,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-04-06 03:42:26,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=31093, Unknown=0, NotChecked=0, Total=32580 [2024-04-06 03:42:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:42:26,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:42:26,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.4640883977900554) internal successors, (627), 181 states have internal predecessors, (627), 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) [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 282 states. [2024-04-06 03:42:26,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:45:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:45:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:45:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:45:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:45:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:45:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:45:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2024-04-06 03:45:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:45:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-04-06 03:45:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2024-04-06 03:45:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 379 states. [2024-04-06 03:45:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2024-04-06 03:45:46,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-06 03:45:46,404 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 [2024-04-06 03:45:46,404 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:45:46,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:45:46,410 INFO L85 PathProgramCache]: Analyzing trace with hash 215465605, now seen corresponding path program 6 times [2024-04-06 03:45:46,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:45:46,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509027738] [2024-04-06 03:45:46,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:45:46,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:45:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:45:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:45:48,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:45:48,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509027738] [2024-04-06 03:45:48,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509027738] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:45:48,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713104789] [2024-04-06 03:45:48,893 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 03:45:48,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:45:48,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:45:48,894 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) [2024-04-06 03:45:48,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 03:45:49,039 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-06 03:45:49,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:45:49,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-06 03:45:49,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:45:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 117 proven. 696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:45:53,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:45:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:45:59,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713104789] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:45:59,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:45:59,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 183 [2024-04-06 03:45:59,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721928107] [2024-04-06 03:45:59,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:45:59,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2024-04-06 03:45:59,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:45:59,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2024-04-06 03:45:59,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1451, Invalid=31855, Unknown=0, NotChecked=0, Total=33306 [2024-04-06 03:45:59,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:45:59,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:45:59,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 3.442622950819672) internal successors, (630), 183 states have internal predecessors, (630), 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) [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 356 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 379 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2024-04-06 03:45:59,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 368 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2024-04-06 03:47:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 401 states. [2024-04-06 03:47:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2024-04-06 03:47:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2024-04-06 03:47:51,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-06 03:47:51,967 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 [2024-04-06 03:47:51,967 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 03:47:51,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:47:51,968 INFO L85 PathProgramCache]: Analyzing trace with hash -12737319, now seen corresponding path program 7 times [2024-04-06 03:47:51,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:47:51,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076206722] [2024-04-06 03:47:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:47:51,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:47:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:47:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:47:54,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:47:54,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076206722] [2024-04-06 03:47:54,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076206722] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:47:54,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772112465] [2024-04-06 03:47:54,792 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 03:47:54,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:47:54,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:47:54,793 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) [2024-04-06 03:47:54,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-06 03:47:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:47:54,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-06 03:47:54,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:47:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 80 proven. 733 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:47:59,459 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:48:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 03:48:04,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772112465] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:48:04,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:48:04,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-04-06 03:48:04,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957991846] [2024-04-06 03:48:04,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:48:04,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-04-06 03:48:04,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:48:04,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-04-06 03:48:04,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=30984, Unknown=0, NotChecked=0, Total=32580 [2024-04-06 03:48:04,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:48:04,981 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:48:04,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.4640883977900554) internal successors, (627), 181 states have internal predecessors, (627), 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) [2024-04-06 03:48:04,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 368 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 325 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 401 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2024-04-06 03:48:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-06 03:51:41,576 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 [2024-04-06 03:51:41,582 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 [2024-04-06 03:51:41,582 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 [2024-04-06 03:51:41,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-06 03:51:41,775 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 [2024-04-06 03:51:41,775 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 563 known predicates. [2024-04-06 03:51:41,777 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-06 03:51:41,777 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-06 03:51:41,777 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-06 03:51:41,781 INFO L445 BasicCegarLoop]: Path program histogram: [7, 3, 2, 1, 1] [2024-04-06 03:51:41,784 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 03:51:41,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 03:51:41,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 03:51:41 BasicIcfg [2024-04-06 03:51:41,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 03:51:41,787 INFO L158 Benchmark]: Toolchain (without parser) took 827788.74ms. Allocated memory was 335.5MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 263.2MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2024-04-06 03:51:41,787 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 169.9MB. Free memory was 137.7MB in the beginning and 137.7MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 03:51:41,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.89ms. Allocated memory is still 335.5MB. Free memory was 263.2MB in the beginning and 243.3MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-06 03:51:41,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.93ms. Allocated memory is still 335.5MB. Free memory was 243.3MB in the beginning and 241.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 03:51:41,787 INFO L158 Benchmark]: Boogie Preprocessor took 27.54ms. Allocated memory is still 335.5MB. Free memory was 241.6MB in the beginning and 240.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 03:51:41,788 INFO L158 Benchmark]: RCFGBuilder took 427.13ms. Allocated memory is still 335.5MB. Free memory was 239.6MB in the beginning and 299.0MB in the end (delta: -59.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-04-06 03:51:41,788 INFO L158 Benchmark]: TraceAbstraction took 826917.41ms. Allocated memory was 335.5MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 298.0MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2024-04-06 03:51:41,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 169.9MB. Free memory was 137.7MB in the beginning and 137.7MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 367.89ms. Allocated memory is still 335.5MB. Free memory was 263.2MB in the beginning and 243.3MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.93ms. Allocated memory is still 335.5MB. Free memory was 243.3MB in the beginning and 241.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.54ms. Allocated memory is still 335.5MB. Free memory was 241.6MB in the beginning and 240.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 427.13ms. Allocated memory is still 335.5MB. Free memory was 239.6MB in the beginning and 299.0MB in the end (delta: -59.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 826917.41ms. Allocated memory was 335.5MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 298.0MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2370627, independent: 2304256, independent conditional: 2302431, independent unconditional: 1825, dependent: 66371, dependent conditional: 65223, dependent unconditional: 1148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2305817, independent: 2304256, independent conditional: 2302431, independent unconditional: 1825, dependent: 1561, dependent conditional: 1561, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2305817, independent: 2304256, independent conditional: 2302431, independent unconditional: 1825, dependent: 1561, dependent conditional: 1561, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2305817, independent: 2304256, independent conditional: 2302431, independent unconditional: 1825, dependent: 1561, dependent conditional: 1561, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2319878, independent: 2304256, independent conditional: 35583, independent unconditional: 2268673, dependent: 15622, dependent conditional: 11826, dependent unconditional: 3796, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2319878, independent: 2304256, independent conditional: 34451, independent unconditional: 2269805, dependent: 15622, dependent conditional: 5098, dependent unconditional: 10524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2319878, independent: 2304256, independent conditional: 34451, independent unconditional: 2269805, dependent: 15622, dependent conditional: 5098, dependent unconditional: 10524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1225, independent: 905, independent conditional: 18, independent unconditional: 887, dependent: 320, dependent conditional: 316, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1225, independent: 898, independent conditional: 0, independent unconditional: 898, dependent: 327, dependent conditional: 0, dependent unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 327, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 320, dependent conditional: 316, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 327, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 320, dependent conditional: 316, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 694, independent: 9, independent conditional: 9, independent unconditional: 0, dependent: 685, dependent conditional: 654, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2319878, independent: 2303351, independent conditional: 34433, independent unconditional: 2268918, dependent: 15302, dependent conditional: 4782, dependent unconditional: 10520, unknown: 1225, unknown conditional: 334, unknown unconditional: 891] , Statistics on independence cache: Total cache size (in pairs): 1225, Positive cache size: 905, Positive conditional cache size: 18, Positive unconditional cache size: 887, Negative cache size: 320, Negative conditional cache size: 316, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7860, Maximal queried relation: 13, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2319878, independent: 2304256, independent conditional: 35583, independent unconditional: 2268673, dependent: 15622, dependent conditional: 11826, dependent unconditional: 3796, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2319878, independent: 2304256, independent conditional: 34451, independent unconditional: 2269805, dependent: 15622, dependent conditional: 5098, dependent unconditional: 10524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2319878, independent: 2304256, independent conditional: 34451, independent unconditional: 2269805, dependent: 15622, dependent conditional: 5098, dependent unconditional: 10524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1225, independent: 905, independent conditional: 18, independent unconditional: 887, dependent: 320, dependent conditional: 316, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1225, independent: 898, independent conditional: 0, independent unconditional: 898, dependent: 327, dependent conditional: 0, dependent unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 327, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 320, dependent conditional: 316, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 327, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 320, dependent conditional: 316, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 694, independent: 9, independent conditional: 9, independent unconditional: 0, dependent: 685, dependent conditional: 654, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2319878, independent: 2303351, independent conditional: 34433, independent unconditional: 2268918, dependent: 15302, dependent conditional: 4782, dependent unconditional: 10520, unknown: 1225, unknown conditional: 334, unknown unconditional: 891] , Statistics on independence cache: Total cache size (in pairs): 1225, Positive cache size: 905, Positive conditional cache size: 18, Positive unconditional cache size: 887, Negative cache size: 320, Negative conditional cache size: 316, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7860 ], Independence queries for same thread: 64810 - 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 563 known predicates. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 563 known predicates. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 563 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 826.7s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 730.5s, 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: 2760, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 91.2s InterpolantComputationTime, 4992 NumberOfCodeBlocks, 4992 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 6838 ConstructedInterpolants, 0 QuantifiedInterpolants, 88964 SizeOfPredicates, 412 NumberOfNonLiveVariables, 4848 ConjunctsInSsa, 530 ConjunctsInUnsatCore, 37 InterpolantComputations, 4 PerfectInterpolantSequences, 3409/21643 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