/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 RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 05:36:05,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 05:36:05,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 05:36:05,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 05:36:05,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 05:36:05,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 05:36:05,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 05:36:05,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 05:36:05,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 05:36:05,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 05:36:05,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 05:36:05,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 05:36:05,867 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 05:36:05,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 05:36:05,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 05:36:05,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 05:36:05,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 05:36:05,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 05:36:05,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 05:36:05,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 05:36:05,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 05:36:05,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 05:36:05,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 05:36:05,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 05:36:05,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 05:36:05,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 05:36:05,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 05:36:05,871 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 05:36:05,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 05:36:05,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 05:36:05,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 05:36:05,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 05:36:05,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 05:36:05,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 05:36:05,873 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 05:36:05,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 05:36:05,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 05:36:05,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 05:36:05,874 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 05:36:05,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 05:36:06,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 05:36:06,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 05:36:06,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 05:36:06,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 05:36:06,181 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 05:36:06,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-04-05 05:36:07,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 05:36:07,401 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 05:36:07,402 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-04-05 05:36:07,407 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/203284c64/07d1501b14fd4b2c9d13a72661a94dc2/FLAGcb117f4b8 [2024-04-05 05:36:07,418 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/203284c64/07d1501b14fd4b2c9d13a72661a94dc2 [2024-04-05 05:36:07,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 05:36:07,421 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 05:36:07,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 05:36:07,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 05:36:07,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 05:36:07,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b884fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07, skipping insertion in model container [2024-04-05 05:36:07,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,454 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 05:36:07,584 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c[2116,2129] [2024-04-05 05:36:07,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 05:36:07,602 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 05:36:07,633 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c[2116,2129] [2024-04-05 05:36:07,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 05:36:07,652 INFO L206 MainTranslator]: Completed translation [2024-04-05 05:36:07,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07 WrapperNode [2024-04-05 05:36:07,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 05:36:07,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 05:36:07,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 05:36:07,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 05:36:07,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,695 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-04-05 05:36:07,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 05:36:07,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 05:36:07,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 05:36:07,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 05:36:07,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 05:36:07,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 05:36:07,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 05:36:07,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 05:36:07,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (1/1) ... [2024-04-05 05:36:07,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 05:36:07,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:36:07,762 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) [2024-04-05 05:36:07,794 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 [2024-04-05 05:36:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 05:36:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 05:36:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 05:36:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 05:36:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 05:36:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 05:36:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 05:36:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 05:36:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 05:36:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 05:36:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 05:36:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 05:36:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 05:36:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 05:36:07,832 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 05:36:07,933 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 05:36:07,935 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 05:36:08,158 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 05:36:08,166 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 05:36:08,166 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 05:36:08,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:36:08 BoogieIcfgContainer [2024-04-05 05:36:08,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 05:36:08,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 05:36:08,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 05:36:08,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 05:36:08,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:36:07" (1/3) ... [2024-04-05 05:36:08,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d75384a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:36:08, skipping insertion in model container [2024-04-05 05:36:08,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:07" (2/3) ... [2024-04-05 05:36:08,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d75384a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:36:08, skipping insertion in model container [2024-04-05 05:36:08,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:36:08" (3/3) ... [2024-04-05 05:36:08,173 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2024-04-05 05:36:08,179 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 05:36:08,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 05:36:08,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 05:36:08,187 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 05:36:08,237 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 05:36:08,267 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 05:36:08,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 05:36:08,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:36:08,270 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) [2024-04-05 05:36:08,271 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 [2024-04-05 05:36:08,294 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 05:36:08,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:36:08,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 05:36:08,309 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5e3af314, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-05 05:36:08,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 05:36:08,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:36:08,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:36:08,914 INFO L85 PathProgramCache]: Analyzing trace with hash -445322638, now seen corresponding path program 1 times [2024-04-05 05:36:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:36:08,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902069236] [2024-04-05 05:36:08,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:36:08,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:36:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:36:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 05:36:09,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:36:09,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902069236] [2024-04-05 05:36:09,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902069236] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 05:36:09,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 05:36:09,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 05:36:09,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860890519] [2024-04-05 05:36:09,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 05:36:09,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 05:36:09,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:36:09,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 05:36:09,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 05:36:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:09,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:36:09,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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) [2024-04-05 05:36:09,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:09,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:09,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 05:36:09,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:36:09,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:36:09,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1122714043, now seen corresponding path program 1 times [2024-04-05 05:36:09,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:36:09,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351145251] [2024-04-05 05:36:09,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:36:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:36:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:36:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:36:10,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:36:10,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351145251] [2024-04-05 05:36:10,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351145251] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:36:10,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667827757] [2024-04-05 05:36:10,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:36:10,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:36:10,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:36:10,458 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) [2024-04-05 05:36:10,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 05:36:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:36:10,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-05 05:36:10,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:36:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:36:11,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:36:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:36:11,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667827757] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:36:11,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:36:11,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 35 [2024-04-05 05:36:11,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846586770] [2024-04-05 05:36:11,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:36:11,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-05 05:36:11,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:36:11,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-05 05:36:11,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1051, Unknown=0, NotChecked=0, Total=1190 [2024-04-05 05:36:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:11,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:36:11,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.371428571428571) internal successors, (153), 35 states have internal predecessors, (153), 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) [2024-04-05 05:36:11,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:11,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:13,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 05:36:13,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 05:36:13,649 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 [2024-04-05 05:36:13,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:36:13,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:36:13,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1115789919, now seen corresponding path program 1 times [2024-04-05 05:36:13,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:36:13,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895414393] [2024-04-05 05:36:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:36:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:36:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:36:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:36:15,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:36:15,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895414393] [2024-04-05 05:36:15,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895414393] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:36:15,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450224583] [2024-04-05 05:36:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:36:15,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:36:15,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:36:15,149 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) [2024-04-05 05:36:15,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 05:36:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:36:15,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 40 conjunts are in the unsatisfiable core [2024-04-05 05:36:15,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:36:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:36:17,501 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:36:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:36:21,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450224583] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:36:21,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:36:21,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 24] total 60 [2024-04-05 05:36:21,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076926025] [2024-04-05 05:36:21,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:36:21,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-05 05:36:21,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:36:21,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-05 05:36:21,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=3169, Unknown=0, NotChecked=0, Total=3540 [2024-04-05 05:36:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:21,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:36:21,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.4833333333333334) internal successors, (209), 60 states have internal predecessors, (209), 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) [2024-04-05 05:36:21,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:21,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 05:36:21,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:36:40,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:37:03,605 WARN L293 SmtUtils]: Spent 7.76s on a formula simplification. DAG size of input: 112 DAG size of output: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:37:16,732 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 111 DAG size of output: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:37:28,268 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 122 DAG size of output: 118 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:37:37,910 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 117 DAG size of output: 111 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:37:39,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:37:41,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:38:48,134 WARN L293 SmtUtils]: Spent 7.51s on a formula simplification. DAG size of input: 100 DAG size of output: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:38:59,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:39:27,510 WARN L293 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 127 DAG size of output: 122 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:39:43,529 WARN L293 SmtUtils]: Spent 7.10s on a formula simplification. DAG size of input: 127 DAG size of output: 122 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:40:00,392 WARN L293 SmtUtils]: Spent 8.36s on a formula simplification. DAG size of input: 124 DAG size of output: 119 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:40:14,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:40:34,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:40:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-05 05:40:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2024-04-05 05:40:55,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-05 05:40:55,701 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 [2024-04-05 05:40:55,702 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 05:40:55,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:40:55,702 INFO L85 PathProgramCache]: Analyzing trace with hash -176537540, now seen corresponding path program 2 times [2024-04-05 05:40:55,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:40:55,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588622806] [2024-04-05 05:40:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:40:55,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:40:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:40:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 6 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:40:58,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:40:58,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588622806] [2024-04-05 05:40:58,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588622806] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:40:58,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799832576] [2024-04-05 05:40:58,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 05:40:58,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:40:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:40:58,095 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) [2024-04-05 05:40:58,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 05:40:58,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 05:40:58,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:40:58,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 74 conjunts are in the unsatisfiable core [2024-04-05 05:40:58,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:41:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 6 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:41:00,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:41:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 6 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:41:07,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799832576] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:41:07,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:41:07,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 39] total 110 [2024-04-05 05:41:07,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726714623] [2024-04-05 05:41:07,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:41:07,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-04-05 05:41:07,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:41:07,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-04-05 05:41:07,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=696, Invalid=11294, Unknown=0, NotChecked=0, Total=11990 [2024-04-05 05:41:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:41:07,464 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:41:07,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 3.1272727272727274) internal successors, (344), 110 states have internal predecessors, (344), 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) [2024-04-05 05:41:07,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:41:07,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-05 05:41:07,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2024-04-05 05:41:07,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:41:34,917 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ c_thread3Thread1of1ForFork1_~i~2 4) 4294967296)) (.cse3 (mod (+ 2 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse23 (mod (+ 3 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse29 (mod (+ c_thread3Thread1of1ForFork1_~i~2 1) 4294967296)) (.cse12 (mod c_~a~0 4294967296))) (let ((.cse32 (< .cse12 (+ 2 (mod c_thread3Thread1of1ForFork1_~i~2 4294967296)))) (.cse31 (+ 4294967295 .cse29)) (.cse5 (mod (+ c_thread2Thread1of1ForFork0_~i~1 1) 4294967296)) (.cse4 (mod c_thread1Thread1of1ForFork2_~i~0 4294967296)) (.cse20 (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296)) (.cse36 (+ 2 .cse29)) (.cse21 (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296)) (.cse35 (+ .cse23 2)) (.cse2 (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296)) (.cse7 (+ .cse3 2)) (.cse17 (+ .cse0 2)) (.cse24 (mod (+ 5 c_thread3Thread1of1ForFork1_~i~2) 4294967296))) (let ((.cse14 (+ .cse24 4294967294)) (.cse22 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) .cse17)) (.cse18 (< .cse2 .cse7)) (.cse8 (+ .cse23 4294967294)) (.cse25 (< .cse21 .cse35)) (.cse16 (mod (+ c_thread2Thread1of1ForFork0_~i~1 5) 4294967296)) (.cse27 (< .cse20 .cse36)) (.cse26 (+ .cse0 4294967294)) (.cse1 (mod (+ c_thread2Thread1of1ForFork0_~i~1 4) 4294967296)) (.cse6 (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 3) 4294967296)) (.cse15 (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 4) 4294967296)) (.cse9 (mod (+ c_thread2Thread1of1ForFork0_~i~1 3) 4294967296)) (.cse10 (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 2) 4294967296)) (.cse28 (+ .cse3 4294967294)) (.cse11 (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 1) 4294967296)) (.cse19 (mod (+ c_thread2Thread1of1ForFork0_~i~1 2) 4294967296)) (.cse33 (< .cse4 .cse12)) (.cse13 (let ((.cse37 (+ .cse12 .cse5))) (and (or .cse32 (< .cse31 .cse37)) (<= .cse29 .cse37))))) (and (<= .cse0 (+ .cse1 .cse2 1)) (<= .cse3 (+ .cse4 .cse5 1)) (or (< .cse6 .cse7) (< .cse8 (+ .cse9 .cse10))) (or (< .cse11 .cse12) .cse13) (or (< .cse14 (+ .cse15 .cse16)) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 5) 4294967296) .cse17)) (or .cse18 (< .cse8 (+ .cse19 .cse20))) (or (< .cse14 (+ .cse1 .cse21)) .cse22) (<= .cse23 (+ .cse9 .cse20 1)) (or (< .cse14 (+ .cse16 .cse21)) .cse22) (or .cse18 (< .cse8 (+ .cse9 .cse20))) (<= .cse3 (+ .cse19 .cse4 1)) (<= .cse23 (+ .cse19 .cse20 1)) (<= .cse24 (+ .cse16 1 .cse21)) (or .cse25 (< .cse26 (+ .cse1 .cse2))) (or .cse27 (< .cse28 (+ .cse4 .cse5))) (<= .cse3 (+ .cse11 .cse19 1)) (or .cse25 (< .cse26 (+ .cse9 .cse2))) (<= .cse24 (+ .cse1 1 .cse21)) (<= .cse24 (+ .cse15 .cse16 1)) (or (let ((.cse30 (+ .cse12 (mod (+ |c_thread2Thread1of1ForFork0_#t~post2| 1) 4294967296)))) (and (<= .cse29 .cse30) (or (< .cse31 .cse30) .cse32))) .cse33) (<= .cse0 (+ .cse1 .cse6 1)) (or (let ((.cse34 (+ (mod c_thread2Thread1of1ForFork0_~i~1 4294967296) .cse12))) (and (or (< .cse31 .cse34) .cse32) (<= .cse29 .cse34))) .cse33) (or .cse27 (< .cse28 (+ .cse19 .cse4))) (<= .cse23 (+ .cse9 .cse10 1)) (or (< .cse26 (+ .cse1 .cse6)) (< .cse15 .cse35)) (<= .cse0 (+ .cse9 .cse2 1)) (or (< .cse10 .cse36) (< .cse28 (+ .cse11 .cse19))) (or .cse33 .cse13))))) is different from false [2024-04-05 05:41:36,945 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (mod (+ c_thread2Thread1of1ForFork0_~i~1 3) 4294967296)) (.cse6 (mod (+ 5 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse7 (mod (+ c_thread2Thread1of1ForFork0_~i~1 5) 4294967296)) (.cse8 (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296)) (.cse3 (mod (+ 3 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse0 (mod (+ c_thread3Thread1of1ForFork1_~i~2 4) 4294967296)) (.cse1 (mod (+ c_thread2Thread1of1ForFork0_~i~1 4) 4294967296)) (.cse2 (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296)) (.cse5 (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296)) (.cse9 (mod (+ 2 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse10 (mod (+ c_thread2Thread1of1ForFork0_~i~1 2) 4294967296)) (.cse11 (mod c_thread1Thread1of1ForFork2_~i~0 4294967296)) (.cse12 (mod (+ c_thread3Thread1of1ForFork1_~i~2 1) 4294967296))) (and (<= .cse0 (+ .cse1 .cse2 1)) (<= .cse3 (+ .cse4 .cse5 1)) (or (< (+ .cse6 4294967294) (+ .cse7 .cse8)) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) (+ .cse0 2))) (or (< .cse2 (+ .cse9 2)) (< (+ .cse3 4294967294) (+ .cse4 .cse5))) (<= .cse9 (+ .cse10 .cse11 1)) (<= .cse6 (+ .cse7 1 .cse8)) (or (< .cse8 (+ .cse3 2)) (< (+ .cse0 4294967294) (+ .cse1 .cse2))) (or (< .cse5 (+ 2 .cse12)) (< (+ .cse9 4294967294) (+ .cse10 .cse11))) (let ((.cse13 (mod c_~a~0 4294967296))) (or (< .cse11 .cse13) (let ((.cse14 (+ .cse13 (mod (+ c_thread2Thread1of1ForFork0_~i~1 1) 4294967296)))) (and (or (< .cse13 (+ 2 (mod c_thread3Thread1of1ForFork1_~i~2 4294967296))) (< (+ 4294967295 .cse12) .cse14)) (<= .cse12 .cse14))))))) is different from false [2024-04-05 05:43:10,360 WARN L293 SmtUtils]: Spent 24.35s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:44:26,116 WARN L293 SmtUtils]: Spent 30.60s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:46:54,842 WARN L293 SmtUtils]: Spent 1.16m on a formula simplification. DAG size of input: 117 DAG size of output: 115 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:46:56,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:46:58,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:47:00,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:47:02,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:47:04,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:47:06,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:47:08,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:47:10,708 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_thread1Thread1of1ForFork2_~i~0 4294967296)) (.cse28 (mod c_~a~0 4294967296)) (.cse4 (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296)) (.cse13 (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296)) (.cse21 (mod (+ 3 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse17 (mod (+ c_thread3Thread1of1ForFork1_~i~2 4) 4294967296)) (.cse15 (mod (+ 5 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse0 (mod (+ 2 c_thread3Thread1of1ForFork1_~i~2) 4294967296)) (.cse10 (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296)) (.cse24 (mod (+ c_thread3Thread1of1ForFork1_~i~2 1) 4294967296))) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork0_#t~post2| 4) 4294967296)) (.cse9 (mod (+ c_thread2Thread1of1ForFork0_~i~1 2) 4294967296)) (.cse20 (< .cse10 (+ 2 .cse24))) (.cse18 (+ .cse0 4294967294)) (.cse2 (mod (+ c_thread2Thread1of1ForFork0_~i~1 1) 4294967296)) (.cse11 (+ .cse15 4294967294)) (.cse16 (mod (+ |c_thread2Thread1of1ForFork0_#t~post2| 5) 4294967296)) (.cse14 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) (+ .cse17 2))) (.cse6 (< .cse13 (+ .cse21 2))) (.cse3 (+ .cse17 4294967294)) (.cse8 (+ .cse21 4294967294)) (.cse22 (mod (+ |c_thread2Thread1of1ForFork0_#t~post2| 3) 4294967296)) (.cse7 (< .cse4 (+ .cse0 2))) (.cse12 (mod (+ c_thread2Thread1of1ForFork0_~i~1 4) 4294967296)) (.cse19 (mod (+ |c_thread2Thread1of1ForFork0_#t~post2| 2) 4294967296)) (.cse26 (+ 4294967295 .cse24)) (.cse27 (< .cse28 (+ 2 (mod c_thread3Thread1of1ForFork1_~i~2 4294967296)))) (.cse29 (< .cse1 .cse28)) (.cse23 (mod (+ c_thread2Thread1of1ForFork0_~i~1 3) 4294967296))) (and (<= .cse0 (+ .cse1 .cse2 1)) (or (< .cse3 (+ .cse4 .cse5)) .cse6) (or .cse7 (< .cse8 (+ .cse9 .cse10))) (or (< .cse11 (+ .cse12 .cse13)) .cse14) (<= .cse15 (+ .cse16 1 .cse13)) (<= .cse17 (+ .cse4 .cse5 1)) (or (< .cse18 (+ .cse19 .cse1)) .cse20) (<= .cse21 (+ .cse9 .cse10 1)) (<= .cse21 (+ .cse22 .cse10 1)) (or .cse20 (< .cse18 (+ .cse1 .cse2))) (or (< .cse11 (+ .cse16 .cse13)) .cse14) (or .cse6 (< .cse3 (+ .cse23 .cse4))) (or (< .cse8 (+ .cse22 .cse10)) .cse7) (<= .cse15 (+ .cse12 1 .cse13)) (or (let ((.cse25 (+ .cse28 (mod (+ |c_thread2Thread1of1ForFork0_#t~post2| 1) 4294967296)))) (and (<= .cse24 .cse25) (or (< .cse26 .cse25) .cse27))) .cse29) (<= .cse0 (+ .cse19 .cse1 1)) (or (let ((.cse30 (+ (mod c_thread2Thread1of1ForFork0_~i~1 4294967296) .cse28))) (and (or (< .cse26 .cse30) .cse27) (<= .cse24 .cse30))) .cse29) (<= .cse17 (+ .cse23 .cse4 1))))) is different from false [2024-04-05 05:48:19,799 WARN L293 SmtUtils]: Spent 17.91s on a formula simplification. DAG size of input: 90 DAG size of output: 91 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 05:48:21,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:48:23,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:48:26,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:48:28,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:48:30,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:48:32,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 05:48:33,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-04-05 05:50:41,389 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 [2024-04-05 05:50:41,392 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 [2024-04-05 05:50:41,392 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 05:50:42,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 05:50:42,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 05:50:42,598 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-04-05 05:50:42,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-04-05 05:50:42,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 05:50:42,611 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while executing Executor. [2024-04-05 05:50:42,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 05:50:42,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 05:50:42,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 05:50:42,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 05:50:42,618 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-04-05 05:50:42,620 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 05:50:42,620 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 05:50:42,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:50:42 BasicIcfg [2024-04-05 05:50:42,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 05:50:42,622 INFO L158 Benchmark]: Toolchain (without parser) took 875201.29ms. Allocated memory was 373.3MB in the beginning and 734.0MB in the end (delta: 360.7MB). Free memory was 303.5MB in the beginning and 520.2MB in the end (delta: -216.7MB). Peak memory consumption was 145.0MB. Max. memory is 8.0GB. [2024-04-05 05:50:42,622 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 373.3MB. Free memory is still 338.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 05:50:42,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.85ms. Allocated memory is still 373.3MB. Free memory was 303.3MB in the beginning and 292.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 05:50:42,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.29ms. Allocated memory is still 373.3MB. Free memory was 292.2MB in the beginning and 290.5MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 05:50:42,623 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 373.3MB. Free memory was 290.5MB in the beginning and 289.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 05:50:42,623 INFO L158 Benchmark]: RCFGBuilder took 440.16ms. Allocated memory is still 373.3MB. Free memory was 289.1MB in the beginning and 341.2MB in the end (delta: -52.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-04-05 05:50:42,623 INFO L158 Benchmark]: TraceAbstraction took 874453.07ms. Allocated memory was 373.3MB in the beginning and 734.0MB in the end (delta: 360.7MB). Free memory was 339.6MB in the beginning and 520.2MB in the end (delta: -180.6MB). Peak memory consumption was 181.7MB. Max. memory is 8.0GB. [2024-04-05 05:50:42,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 373.3MB. Free memory is still 338.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 231.85ms. Allocated memory is still 373.3MB. Free memory was 303.3MB in the beginning and 292.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.29ms. Allocated memory is still 373.3MB. Free memory was 292.2MB in the beginning and 290.5MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 373.3MB. Free memory was 290.5MB in the beginning and 289.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 440.16ms. Allocated memory is still 373.3MB. Free memory was 289.1MB in the beginning and 341.2MB in the end (delta: -52.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 874453.07ms. Allocated memory was 373.3MB in the beginning and 734.0MB in the end (delta: 360.7MB). Free memory was 339.6MB in the beginning and 520.2MB in the end (delta: -180.6MB). Peak memory consumption was 181.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29751, independent: 24575, independent conditional: 22924, independent unconditional: 1651, dependent: 5176, dependent conditional: 4053, dependent unconditional: 1123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 22924, independent unconditional: 1651, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 22924, independent unconditional: 1651, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 22924, independent unconditional: 1651, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 2090, independent unconditional: 22485, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 2038, independent unconditional: 22537, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 2038, independent unconditional: 22537, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 771, independent: 771, independent conditional: 6, independent unconditional: 765, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 771, independent: 771, independent conditional: 0, independent unconditional: 771, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 24575, independent: 23804, independent conditional: 2032, independent unconditional: 21772, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 771, unknown conditional: 6, unknown unconditional: 765] , Statistics on independence cache: Total cache size (in pairs): 771, Positive cache size: 771, Positive conditional cache size: 6, Positive unconditional cache size: 765, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 52, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 2090, independent unconditional: 22485, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 2038, independent unconditional: 22537, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24575, independent: 24575, independent conditional: 2038, independent unconditional: 22537, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 771, independent: 771, independent conditional: 6, independent unconditional: 765, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 771, independent: 771, independent conditional: 0, independent unconditional: 771, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 24575, independent: 23804, independent conditional: 2032, independent unconditional: 21772, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 771, unknown conditional: 6, unknown unconditional: 765] , Statistics on independence cache: Total cache size (in pairs): 771, Positive cache size: 771, Positive conditional cache size: 6, Positive unconditional cache size: 765, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 52 ], Independence queries for same thread: 5176 - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 136 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 874.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 851.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 517, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 801 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1146 ConstructedInterpolants, 0 QuantifiedInterpolants, 17204 SizeOfPredicates, 71 NumberOfNonLiveVariables, 778 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 29/701 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