/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking FORWARD -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 07:35:20,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 07:35:20,075 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 07:35:20,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 07:35:20,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 07:35:20,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 07:35:20,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 07:35:20,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 07:35:20,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 07:35:20,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 07:35:20,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 07:35:20,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 07:35:20,111 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 07:35:20,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 07:35:20,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 07:35:20,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 07:35:20,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 07:35:20,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 07:35:20,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 07:35:20,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 07:35:20,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 07:35:20,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 07:35:20,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 07:35:20,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 07:35:20,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 07:35:20,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 07:35:20,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 07:35:20,117 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 07:35:20,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 07:35:20,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 07:35:20,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 07:35:20,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 07:35:20,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 07:35:20,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 07:35:20,119 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 07:35:20,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 07:35:20,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 07:35:20,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 07:35:20,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 07:35:20,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> FORWARD [2024-05-05 07:35:20,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 07:35:20,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 07:35:20,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 07:35:20,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 07:35:20,406 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 07:35:20,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-05 07:35:21,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 07:35:21,730 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 07:35:21,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-05 07:35:21,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/40ecf6218/3a5ef4a2329a4656afa13406340ab9a6/FLAG060abfad5 [2024-05-05 07:35:21,750 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/40ecf6218/3a5ef4a2329a4656afa13406340ab9a6 [2024-05-05 07:35:21,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 07:35:21,755 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 07:35:21,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 07:35:21,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 07:35:21,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 07:35:21,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:21,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3b890c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21, skipping insertion in model container [2024-05-05 07:35:21,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:21,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 07:35:21,956 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/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2024-05-05 07:35:21,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 07:35:21,967 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 07:35:21,982 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/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2024-05-05 07:35:21,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 07:35:21,988 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 07:35:21,989 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 07:35:21,995 INFO L206 MainTranslator]: Completed translation [2024-05-05 07:35:21,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21 WrapperNode [2024-05-05 07:35:21,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 07:35:21,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 07:35:21,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 07:35:21,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 07:35:22,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,023 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-05-05 07:35:22,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 07:35:22,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 07:35:22,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 07:35:22,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 07:35:22,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 07:35:22,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 07:35:22,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 07:35:22,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 07:35:22,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (1/1) ... [2024-05-05 07:35:22,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 07:35:22,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 07:35:22,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 07:35:22,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 07:35:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 07:35:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 07:35:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 07:35:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 07:35:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 07:35:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 07:35:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 07:35:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 07:35:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 07:35:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 07:35:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 07:35:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 07:35:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 07:35:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 07:35:22,207 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 07:35:22,316 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 07:35:22,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 07:35:22,538 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 07:35:22,572 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 07:35:22,572 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-05 07:35:22,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 07:35:22 BoogieIcfgContainer [2024-05-05 07:35:22,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 07:35:22,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 07:35:22,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 07:35:22,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 07:35:22,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 07:35:21" (1/3) ... [2024-05-05 07:35:22,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41eba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 07:35:22, skipping insertion in model container [2024-05-05 07:35:22,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 07:35:21" (2/3) ... [2024-05-05 07:35:22,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41eba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 07:35:22, skipping insertion in model container [2024-05-05 07:35:22,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 07:35:22" (3/3) ... [2024-05-05 07:35:22,582 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-05 07:35:22,591 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 07:35:22,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 07:35:22,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 07:35:22,600 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 07:35:22,648 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-05 07:35:22,689 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 07:35:22,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 07:35:22,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 07:35:22,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 07:35:22,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 07:35:22,721 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 07:35:22,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 07:35:22,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 07:35:22,741 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;@4d9d0906, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=FORWARD, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 07:35:22,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-05 07:35:22,855 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 07:35:22,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 07:35:22,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1170405292, now seen corresponding path program 1 times [2024-05-05 07:35:22,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 07:35:22,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884259701] [2024-05-05 07:35:22,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 07:35:22,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 07:35:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 07:35:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 07:35:23,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 07:35:23,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884259701] [2024-05-05 07:35:23,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884259701] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 07:35:23,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 07:35:23,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 07:35:23,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421896146] [2024-05-05 07:35:23,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 07:35:23,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 07:35:23,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 07:35:23,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 07:35:23,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 07:35:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:23,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 07:35:23,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 07:35:23,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:23,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:23,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 07:35:23,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 07:35:23,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 07:35:23,181 INFO L85 PathProgramCache]: Analyzing trace with hash -2044128722, now seen corresponding path program 1 times [2024-05-05 07:35:23,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 07:35:23,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396548133] [2024-05-05 07:35:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 07:35:23,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 07:35:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 07:35:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 07:35:23,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 07:35:23,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396548133] [2024-05-05 07:35:23,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396548133] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 07:35:23,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 07:35:23,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 07:35:23,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67520627] [2024-05-05 07:35:23,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 07:35:23,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 07:35:23,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 07:35:23,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 07:35:23,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-05 07:35:23,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:23,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 07:35:23,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 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) [2024-05-05 07:35:23,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:23,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:23,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 07:35:23,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 07:35:23,755 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 07:35:23,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 07:35:23,756 INFO L85 PathProgramCache]: Analyzing trace with hash 849842810, now seen corresponding path program 1 times [2024-05-05 07:35:23,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 07:35:23,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57393978] [2024-05-05 07:35:23,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 07:35:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 07:35:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 07:35:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 07:35:24,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 07:35:24,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57393978] [2024-05-05 07:35:24,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57393978] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 07:35:24,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728246945] [2024-05-05 07:35:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 07:35:24,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 07:35:24,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 07:35:24,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 07:35:24,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 07:35:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 07:35:24,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-05 07:35:24,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 07:35:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 07:35:24,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 07:35:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 07:35:25,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728246945] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 07:35:25,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 07:35:25,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 20 [2024-05-05 07:35:25,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313040703] [2024-05-05 07:35:25,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 07:35:25,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-05 07:35:25,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 07:35:25,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-05 07:35:25,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-05-05 07:35:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:25,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 07:35:25,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.4) internal successors, (108), 20 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 07:35:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 07:35:25,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:26,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 07:35:26,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 07:35:26,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 07:35:26,383 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,SelfDestructingSolverStorable2 [2024-05-05 07:35:26,383 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 07:35:26,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 07:35:26,384 INFO L85 PathProgramCache]: Analyzing trace with hash -470519814, now seen corresponding path program 2 times [2024-05-05 07:35:26,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 07:35:26,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690251026] [2024-05-05 07:35:26,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 07:35:26,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 07:35:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 07:35:27,823 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 07:35:27,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 07:35:27,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690251026] [2024-05-05 07:35:27,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690251026] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 07:35:27,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691672452] [2024-05-05 07:35:27,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 07:35:27,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 07:35:27,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 07:35:27,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 07:35:27,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 07:35:27,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 07:35:27,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 07:35:27,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-05 07:35:27,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 07:35:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 07:35:29,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 07:35:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 07:35:34,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691672452] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 07:35:34,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 07:35:34,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 20] total 52 [2024-05-05 07:35:34,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243450432] [2024-05-05 07:35:34,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 07:35:34,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-05-05 07:35:34,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 07:35:34,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-05-05 07:35:34,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=2224, Unknown=0, NotChecked=0, Total=2652 [2024-05-05 07:35:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:34,897 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 07:35:34,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 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) [2024-05-05 07:35:34,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:34,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 07:35:34,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 07:35:34,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:35:45,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:36:08,274 WARN L293 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 112 DAG size of output: 99 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 07:36:10,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:36:15,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:36:17,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:36:19,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:36:22,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-05 07:36:36,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:36:47,137 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 103 DAG size of output: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 07:37:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:37:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 07:37:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 07:37:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-05 07:37:07,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 07:37:07,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 07:37:07,417 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 07:37:07,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 07:37:07,418 INFO L85 PathProgramCache]: Analyzing trace with hash 884804186, now seen corresponding path program 3 times [2024-05-05 07:37:07,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 07:37:07,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515304629] [2024-05-05 07:37:07,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 07:37:07,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 07:37:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 07:37:13,151 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 46 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 07:37:13,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 07:37:13,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515304629] [2024-05-05 07:37:13,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515304629] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 07:37:13,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646690762] [2024-05-05 07:37:13,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 07:37:13,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 07:37:13,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 07:37:13,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 07:37:13,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 07:37:14,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-05-05 07:37:14,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 07:37:14,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-05 07:37:14,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 07:37:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 88 proven. 189 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-05 07:37:43,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 07:39:43,820 WARN L293 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 07:40:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 88 proven. 182 refuted. 7 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-05 07:40:03,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646690762] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 07:40:03,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 07:40:03,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 104 [2024-05-05 07:40:03,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893293068] [2024-05-05 07:40:03,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 07:40:03,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-05-05 07:40:03,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 07:40:03,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-05-05 07:40:03,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1530, Invalid=9162, Unknown=20, NotChecked=0, Total=10712 [2024-05-05 07:40:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:40:03,045 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 07:40:03,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 2.5288461538461537) internal successors, (263), 104 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 07:40:03,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:40:03,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 07:40:03,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 07:40:03,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-05 07:40:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 07:40:48,375 WARN L293 SmtUtils]: Spent 27.52s on a formula simplification. DAG size of input: 164 DAG size of output: 139 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 07:40:50,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:40:52,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:40:53,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:40:55,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:40:56,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:40:58,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:41:00,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:41:02,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:41:27,589 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 163 DAG size of output: 118 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 07:41:29,653 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse67 (mod c_~M~0 4294967296))) (let ((.cse85 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 2) 4294967296)) (.cse87 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 3) 4294967296)) (.cse76 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 4) 4294967296)) (.cse21 (mod c_thread1Thread1of1ForFork0_~i~0 4294967296)) (.cse24 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse20 (mod (+ 2 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse22 (mod (+ 3 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse89 (* (- 1) c_thread2Thread1of1ForFork1_~i~1)) (.cse93 (mod (+ c_thread1Thread1of1ForFork0_~i~0 4) 4294967296)) (.cse80 (mod (+ c_~C~0 c_~counter~0) 4294967296)) (.cse95 (mod c_~counter~0 4294967296)) (.cse17 (+ c_thread2Thread1of1ForFork1_~i~1 3)) (.cse91 (+ c_thread2Thread1of1ForFork1_~i~1 4)) (.cse97 (+ 2 c_thread2Thread1of1ForFork1_~i~1)) (.cse88 (+ c_thread2Thread1of1ForFork1_~i~1 1)) (.cse96 (* (- 1) .cse67))) (let ((.cse77 (< (+ 4294967294 (* (div (+ .cse96 c_thread2Thread1of1ForFork1_~i~1 1) 4294967296) 4294967296)) c_thread2Thread1of1ForFork1_~i~1)) (.cse78 (mod c_~C~0 4294967296)) (.cse79 (< (+ .cse67 (* (div c_thread2Thread1of1ForFork1_~i~1 4294967296) 4294967296)) .cse88)) (.cse68 (mod c_thread2Thread1of1ForFork1_~i~1 4294967296)) (.cse51 (< (+ 4294967293 (* (div (+ .cse96 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296) 4294967296)) c_thread2Thread1of1ForFork1_~i~1)) (.cse52 (< (+ .cse67 (* (div .cse88 4294967296) 4294967296)) .cse97)) (.cse74 (< (+ 4294967291 (* (div (+ .cse96 c_thread2Thread1of1ForFork1_~i~1 4) 4294967296) 4294967296)) c_thread2Thread1of1ForFork1_~i~1)) (.cse75 (< (+ .cse67 (* 4294967296 (div .cse17 4294967296))) .cse91)) (.cse6 (< .cse95 1)) (.cse53 (< (+ .cse67 (* 4294967296 (div .cse97 4294967296))) .cse17)) (.cse54 (< (+ 4294967292 (* (div (+ .cse96 c_thread2Thread1of1ForFork1_~i~1 3) 4294967296) 4294967296)) c_thread2Thread1of1ForFork1_~i~1)) (.cse10 (< 0 .cse95)) (.cse11 (< .cse80 1)) (.cse18 (+ .cse93 1)) (.cse14 (let ((.cse94 (+ 7 c_thread2Thread1of1ForFork1_~i~1))) (+ (* (div .cse94 4294967296) 4294967296) (* (div (+ .cse89 8589934584) 4294967296) 4294967296) (mod .cse94 4294967296)))) (.cse84 (+ 4294967297 (mod (+ 5 c_thread1Thread1of1ForFork0_~i~0) 4294967296))) (.cse83 (+ .cse22 4294967297)) (.cse61 (+ .cse20 4294967297)) (.cse82 (+ 4294967297 .cse93)) (.cse31 (+ 4294967297 .cse24)) (.cse30 (let ((.cse92 (+ c_thread2Thread1of1ForFork1_~i~1 6))) (+ (* (div .cse92 4294967296) 4294967296) (mod .cse92 4294967296) (* (div (+ .cse89 8589934585) 4294967296) 4294967296)))) (.cse15 (+ 4294967297 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 6) 4294967296))) (.cse81 (+ (mod (+ 6 c_thread1Thread1of1ForFork0_~i~0) 4294967296) 4294967297)) (.cse7 (+ (* (div (+ .cse89 8589934587) 4294967296) 4294967296) (* (div .cse91 4294967296) 4294967296) (mod .cse91 4294967296))) (.cse64 (+ 4294967297 .cse21)) (.cse8 (+ 4294967297 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 5) 4294967296))) (.cse13 (+ .cse76 4294967297)) (.cse12 (+ .cse87 4294967297)) (.cse1 (let ((.cse90 (+ 5 c_thread2Thread1of1ForFork1_~i~1))) (+ (* (div (+ 8589934586 .cse89) 4294967296) 4294967296) (mod .cse90 4294967296) (* 4294967296 (div .cse90 4294967296))))) (.cse9 (+ .cse85 4294967297)) (.cse86 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 1) 4294967296))) (let ((.cse2 (+ 4294967297 .cse86)) (.cse0 (< .cse1 .cse9)) (.cse3 (< .cse1 .cse12)) (.cse4 (< .cse1 .cse13)) (.cse5 (< .cse1 .cse8)) (.cse56 (< .cse7 .cse64)) (.cse55 (< .cse1 .cse81)) (.cse39 (< .cse30 .cse15)) (.cse16 (+ (mod (+ 7 |c_thread1Thread1of1ForFork0_#t~post1|) 4294967296) 4294967297)) (.cse40 (< .cse30 .cse13)) (.cse41 (< .cse30 .cse12)) (.cse42 (< .cse30 .cse8)) (.cse25 (< .cse1 .cse31)) (.cse26 (< .cse1 .cse82)) (.cse27 (< .cse1 .cse61)) (.cse28 (< .cse1 .cse83)) (.cse29 (< .cse1 .cse84)) (.cse43 (< .cse7 .cse31)) (.cse44 (< .cse7 .cse61)) (.cse45 (< .cse7 .cse84)) (.cse46 (< .cse7 .cse82)) (.cse47 (< .cse7 .cse83)) (.cse59 (< .cse14 .cse82)) (.cse60 (< .cse14 .cse81)) (.cse62 (< .cse14 .cse84)) (.cse63 (< .cse14 .cse83)) (.cse66 (+ 4294967297 (mod (+ 7 c_thread1Thread1of1ForFork0_~i~0) 4294967296))) (.cse69 (< (mod .cse88 4294967296) .cse67)) (.cse19 (< (mod (+ c_~counter~0 (* c_~C~0 2)) 4294967296) 1)) (.cse73 (< .cse67 .cse18)) (.cse58 (< .cse67 (+ .cse87 1))) (.cse37 (< .cse67 (+ .cse86 1))) (.cse38 (< .cse67 (+ .cse85 1))) (.cse72 (and (or .cse74 .cse75 .cse6) (or .cse53 .cse54 .cse10 .cse11))) (.cse32 (< .cse30 .cse84)) (.cse33 (< .cse30 .cse83)) (.cse34 (< .cse30 .cse82)) (.cse65 (< .cse30 .cse81)) (.cse35 (< .cse30 .cse61)) (.cse48 (< .cse67 (+ .cse22 1))) (.cse57 (and (or .cse53 .cse54 .cse6) (or .cse51 .cse10 .cse11 .cse52))) (.cse70 (< .cse68 .cse67)) (.cse71 (< .cse67 (+ .cse21 1))) (.cse23 (< 0 .cse80)) (.cse49 (< .cse67 (+ .cse20 1))) (.cse36 (and (or .cse77 .cse10 (< (+ (* 4294967296 (div (+ (- 1) c_~counter~0 .cse78) 4294967296)) 4294967295) (+ c_~counter~0 .cse78)) .cse79) (or .cse51 .cse6 .cse52))) (.cse50 (< .cse67 (+ .cse24 1)))) (and (or .cse0 (< .cse1 .cse2) .cse3 .cse4 .cse5 .cse6) (or (< .cse7 .cse8) (< .cse7 .cse9) .cse10 (< .cse7 .cse2) .cse11 (< .cse7 .cse12) (< .cse7 .cse13)) (or (< .cse14 .cse15) (< .cse14 .cse13) .cse6 (< .cse14 .cse8) (< .cse14 .cse12) (< .cse14 .cse16)) (or (< (mod .cse17 4294967296) .cse18) .cse19 (< 4294967294 .cse20) (< 4294967294 .cse21) (< 4294967294 .cse22) .cse23 (< 4294967294 .cse24)) (or .cse25 .cse10 .cse26 .cse27 .cse11 .cse28 .cse29) (or (< .cse30 .cse31) .cse6 .cse32 .cse33 .cse34 .cse35) (or .cse25 .cse26 .cse27 .cse6 .cse28 .cse29) (or .cse36 .cse37 .cse38) (or .cse39 (< .cse30 .cse9) .cse6 .cse40 .cse41 .cse42) (or .cse43 .cse19 .cse44 .cse23 .cse45 .cse46 .cse47) (or .cse48 .cse49 .cse50 (and (or .cse19 .cse51 .cse23 .cse52) (or .cse53 .cse54 .cse11))) (or .cse10 .cse26 .cse27 .cse11 .cse55 .cse28 .cse29) (or .cse43 .cse10 .cse44 .cse11 .cse46 .cse47 .cse56) (or .cse57 .cse58 .cse37 .cse38) (or .cse0 .cse10 .cse3 .cse4 .cse11 .cse5 (< .cse1 .cse15)) (or .cse59 .cse60 .cse6 (< .cse14 .cse61) .cse62 .cse63) (or .cse25 (< .cse1 .cse64) .cse26 .cse27 .cse6 .cse28) (or .cse43 .cse44 .cse11 .cse46 .cse47 .cse56) (or .cse19 .cse26 .cse27 .cse23 .cse55 .cse28 .cse29) (or .cse39 (< .cse30 .cse16) .cse10 .cse11 .cse40 .cse41 .cse42) (or .cse25 .cse26 .cse27 .cse11 .cse28 .cse29) (or .cse43 .cse10 .cse44 .cse11 .cse45 .cse46 .cse47) (or .cse10 .cse11 .cse32 .cse33 .cse34 .cse65 .cse35) (or .cse6 .cse32 .cse33 .cse34 .cse65 .cse35) (or (< .cse14 .cse66) .cse59 .cse60 .cse6 .cse62 .cse63) (or (< .cse67 (+ .cse68 1)) .cse69 .cse50 .cse11) (or .cse10 (< .cse30 .cse66) .cse11 .cse32 .cse33 .cse34 .cse65) (= c_~counter~0 0) (or (and (or .cse69 .cse6) (or .cse10 .cse70)) .cse71) (or .cse48 .cse72 .cse49 .cse50 .cse73) (or .cse48 .cse49 .cse50 (and (or .cse53 .cse19 .cse54 .cse23) (or .cse74 .cse75 .cse11)) .cse73) (or .cse72 (< .cse67 (+ .cse76 1)) .cse58 .cse37 .cse38) (or .cse48 .cse72 .cse49 .cse50 .cse71) (or .cse11 .cse32 .cse33 .cse34 .cse65 .cse35) (or .cse49 .cse57 .cse50 .cse71) (or .cse48 .cse49 .cse57 .cse50) (or .cse71 .cse70) (or .cse36 .cse50 .cse71) (or .cse49 .cse50 (and (or .cse51 .cse11 .cse52) (or .cse77 (< (+ 4294967295 (* (div (+ (- 1) c_~C~0 c_~counter~0 .cse78) 4294967296) 4294967296)) (+ c_~C~0 c_~counter~0 .cse78)) .cse23 .cse79))) (or .cse49 .cse36 .cse50)))))) is different from false [2024-05-05 07:41:47,160 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 [] [2024-05-05 07:42:11,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:42:23,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 07:43:02,388 WARN L293 SmtUtils]: Spent 16.70s on a formula simplification. DAG size of input: 358 DAG size of output: 89 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 07:43:16,213 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 276 DAG size of output: 51 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 07:43:31,103 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 282 DAG size of output: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-05-05 07:49:48,172 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 07:49:48,172 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 [2024-05-05 07:49:48,175 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 07:49:49,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 07:49:49,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-05 07:49:49,374 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-05-05 07:49:49,384 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 [2024-05-05 07:49:49,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-05 07:49:49,385 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while executing Executor. [2024-05-05 07:49:49,386 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-05 07:49:49,387 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-05 07:49:49,387 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-05 07:49:49,390 INFO L448 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-05-05 07:49:49,394 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 07:49:49,394 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 07:49:49,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 07:49:49 BasicIcfg [2024-05-05 07:49:49,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 07:49:49,396 INFO L158 Benchmark]: Toolchain (without parser) took 867641.57ms. Allocated memory was 166.7MB in the beginning and 468.7MB in the end (delta: 302.0MB). Free memory was 95.2MB in the beginning and 151.6MB in the end (delta: -56.5MB). Peak memory consumption was 246.6MB. Max. memory is 8.0GB. [2024-05-05 07:49:49,396 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 166.7MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 07:49:49,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.16ms. Allocated memory is still 166.7MB. Free memory was 94.9MB in the beginning and 83.8MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-05 07:49:49,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.71ms. Allocated memory is still 166.7MB. Free memory was 83.8MB in the beginning and 82.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 07:49:49,400 INFO L158 Benchmark]: Boogie Preprocessor took 53.14ms. Allocated memory was 166.7MB in the beginning and 270.5MB in the end (delta: 103.8MB). Free memory was 82.2MB in the beginning and 240.8MB in the end (delta: -158.6MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2024-05-05 07:49:49,402 INFO L158 Benchmark]: RCFGBuilder took 494.68ms. Allocated memory is still 270.5MB. Free memory was 240.8MB in the beginning and 225.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-05 07:49:49,402 INFO L158 Benchmark]: TraceAbstraction took 866819.16ms. Allocated memory was 270.5MB in the beginning and 468.7MB in the end (delta: 198.2MB). Free memory was 224.1MB in the beginning and 151.6MB in the end (delta: 72.4MB). Peak memory consumption was 272.2MB. Max. memory is 8.0GB. [2024-05-05 07:49:49,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 166.7MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 238.16ms. Allocated memory is still 166.7MB. Free memory was 94.9MB in the beginning and 83.8MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.71ms. Allocated memory is still 166.7MB. Free memory was 83.8MB in the beginning and 82.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.14ms. Allocated memory was 166.7MB in the beginning and 270.5MB in the end (delta: 103.8MB). Free memory was 82.2MB in the beginning and 240.8MB in the end (delta: -158.6MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * RCFGBuilder took 494.68ms. Allocated memory is still 270.5MB. Free memory was 240.8MB in the beginning and 225.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 866819.16ms. Allocated memory was 270.5MB in the beginning and 468.7MB in the end (delta: 198.2MB). Free memory was 224.1MB in the beginning and 151.6MB in the end (delta: 72.4MB). Peak memory consumption was 272.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1596, independent: 1313, independent conditional: 1311, independent unconditional: 2, dependent: 283, dependent conditional: 283, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1316, independent: 1313, independent conditional: 1311, independent unconditional: 2, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1316, independent: 1313, independent conditional: 1311, independent unconditional: 2, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1316, independent: 1313, independent conditional: 1311, independent unconditional: 2, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1321, independent: 1313, independent conditional: 485, independent unconditional: 828, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1321, independent: 1313, independent conditional: 479, independent unconditional: 834, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1321, independent: 1313, independent conditional: 479, independent unconditional: 834, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 119, independent conditional: 29, independent unconditional: 90, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1321, independent: 1194, independent conditional: 450, independent unconditional: 744, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 120, unknown conditional: 29, unknown unconditional: 91] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 119, Positive conditional cache size: 29, Positive unconditional cache size: 90, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1321, independent: 1313, independent conditional: 485, independent unconditional: 828, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1321, independent: 1313, independent conditional: 479, independent unconditional: 834, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1321, independent: 1313, independent conditional: 479, independent unconditional: 834, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 119, independent conditional: 29, independent unconditional: 90, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1321, independent: 1194, independent conditional: 450, independent unconditional: 744, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 120, unknown conditional: 29, unknown unconditional: 91] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 119, Positive conditional cache size: 29, Positive unconditional cache size: 90, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8 ], Independence queries for same thread: 280 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable 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 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 866.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 679.7s, 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: 199, 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, 1.6s SatisfiabilityAnalysisTime, 184.3s InterpolantComputationTime, 688 NumberOfCodeBlocks, 688 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 956 ConstructedInterpolants, 1 QuantifiedInterpolants, 21137 SizeOfPredicates, 51 NumberOfNonLiveVariables, 561 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 256/1007 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown