/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-08 04:44:11,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-08 04:44:11,683 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-08 04:44:11,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-08 04:44:11,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-08 04:44:11,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-08 04:44:11,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-08 04:44:11,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-08 04:44:11,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-08 04:44:11,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-08 04:44:11,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-08 04:44:11,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-08 04:44:11,721 INFO L153 SettingsManager]: * Use SBE=true [2024-05-08 04:44:11,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-08 04:44:11,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-08 04:44:11,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-08 04:44:11,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-08 04:44:11,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-08 04:44:11,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-08 04:44:11,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-08 04:44:11,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-08 04:44:11,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-08 04:44:11,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-08 04:44:11,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-08 04:44:11,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-08 04:44:11,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-08 04:44:11,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-08 04:44:11,733 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-08 04:44:11,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-08 04:44:11,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 04:44:11,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-08 04:44:11,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-08 04:44:11,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-08 04:44:11,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-08 04:44:11,734 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-08 04:44:11,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-08 04:44:11,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-08 04:44:11,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-08 04:44:11,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-08 04:44:11,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-08 04:44:11,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-08 04:44:11,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-08 04:44:11,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-08 04:44:11,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-08 04:44:11,978 INFO L274 PluginConnector]: CDTParser initialized [2024-05-08 04:44:11,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-05-08 04:44:13,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-08 04:44:13,306 INFO L384 CDTParser]: Found 1 translation units. [2024-05-08 04:44:13,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-05-08 04:44:13,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7bb304ddc/e17fd1d84c8c4f0e904c7b0ec2cd0469/FLAG361964800 [2024-05-08 04:44:13,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7bb304ddc/e17fd1d84c8c4f0e904c7b0ec2cd0469 [2024-05-08 04:44:13,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-08 04:44:13,339 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-08 04:44:13,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-08 04:44:13,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-08 04:44:13,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-08 04:44:13,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c37bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13, skipping insertion in model container [2024-05-08 04:44:13,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-08 04:44:13,677 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-05-08 04:44:13,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 04:44:13,691 INFO L202 MainTranslator]: Completed pre-run [2024-05-08 04:44:13,724 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-05-08 04:44:13,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 04:44:13,781 INFO L206 MainTranslator]: Completed translation [2024-05-08 04:44:13,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13 WrapperNode [2024-05-08 04:44:13,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-08 04:44:13,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-08 04:44:13,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-08 04:44:13,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-08 04:44:13,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,838 INFO L138 Inliner]: procedures = 244, calls = 54, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2024-05-08 04:44:13,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-08 04:44:13,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-08 04:44:13,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-08 04:44:13,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-08 04:44:13,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-08 04:44:13,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-08 04:44:13,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-08 04:44:13,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-08 04:44:13,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (1/1) ... [2024-05-08 04:44:13,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 04:44:13,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:44:13,894 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) [2024-05-08 04:44:13,904 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 [2024-05-08 04:44:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-08 04:44:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-08 04:44:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-05-08 04:44:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-08 04:44:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-08 04:44:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-08 04:44:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-08 04:44:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-08 04:44:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-08 04:44:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-08 04:44:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-08 04:44:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-08 04:44:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-08 04:44:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-08 04:44:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-08 04:44:13,935 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-08 04:44:14,073 INFO L241 CfgBuilder]: Building ICFG [2024-05-08 04:44:14,076 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-08 04:44:14,273 INFO L282 CfgBuilder]: Performing block encoding [2024-05-08 04:44:14,297 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-08 04:44:14,297 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-08 04:44:14,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 04:44:14 BoogieIcfgContainer [2024-05-08 04:44:14,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-08 04:44:14,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-08 04:44:14,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-08 04:44:14,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-08 04:44:14,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.05 04:44:13" (1/3) ... [2024-05-08 04:44:14,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c939d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 04:44:14, skipping insertion in model container [2024-05-08 04:44:14,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 04:44:13" (2/3) ... [2024-05-08 04:44:14,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c939d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 04:44:14, skipping insertion in model container [2024-05-08 04:44:14,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 04:44:14" (3/3) ... [2024-05-08 04:44:14,310 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-05-08 04:44:14,317 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-08 04:44:14,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-08 04:44:14,325 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-08 04:44:14,325 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-08 04:44:14,373 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-08 04:44:14,405 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-08 04:44:14,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-08 04:44:14,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:44:14,407 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) [2024-05-08 04:44:14,409 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 [2024-05-08 04:44:14,435 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-08 04:44:14,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:44:14,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-08 04:44:14,452 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;@6459c872, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-08 04:44:14,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-08 04:44:15,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:44:15,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:44:15,128 INFO L85 PathProgramCache]: Analyzing trace with hash -892493939, now seen corresponding path program 1 times [2024-05-08 04:44:15,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:44:15,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100715902] [2024-05-08 04:44:15,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:44:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-05-08 04:44:15,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:44:15,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100715902] [2024-05-08 04:44:15,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100715902] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 04:44:15,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 04:44:15,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-08 04:44:15,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649406477] [2024-05-08 04:44:15,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 04:44:15,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-08 04:44:15,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:44:15,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-08 04:44:15,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-08 04:44:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:15,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:44:15,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2024-05-08 04:44:15,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:16,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-08 04:44:16,066 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:44:16,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:44:16,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1539757117, now seen corresponding path program 2 times [2024-05-08 04:44:16,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:44:16,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802577268] [2024-05-08 04:44:16,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:16,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:44:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:16,336 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-05-08 04:44:16,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:44:16,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802577268] [2024-05-08 04:44:16,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802577268] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 04:44:16,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 04:44:16,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-08 04:44:16,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536482482] [2024-05-08 04:44:16,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 04:44:16,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-08 04:44:16,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:44:16,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-08 04:44:16,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-08 04:44:16,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:16,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:44:16,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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) [2024-05-08 04:44:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:17,115 INFO L85 PathProgramCache]: Analyzing trace with hash -158216821, now seen corresponding path program 1 times [2024-05-08 04:44:17,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:17,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:44:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-05-08 04:44:17,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:17,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:44:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-05-08 04:44:17,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-08 04:44:17,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-08 04:44:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:17,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-05-08 04:44:17,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:44:17,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:44:17,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1319990757, now seen corresponding path program 1 times [2024-05-08 04:44:17,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:44:17,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485824170] [2024-05-08 04:44:17,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:17,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:44:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-08 04:44:17,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:44:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485824170] [2024-05-08 04:44:17,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485824170] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 04:44:17,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984156805] [2024-05-08 04:44:17,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:17,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:44:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:44:17,681 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) [2024-05-08 04:44:17,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-08 04:44:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:17,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-08 04:44:17,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 04:44:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-08 04:44:17,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-08 04:44:17,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984156805] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 04:44:17,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-08 04:44:17,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-05-08 04:44:17,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987338521] [2024-05-08 04:44:17,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 04:44:17,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-08 04:44:17,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:44:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-08 04:44:17,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-05-08 04:44:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:17,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:44:17,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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) [2024-05-08 04:44:17,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:17,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:17,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:18,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:18,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:18,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-08 04:44:18,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:44:18,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:44:18,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:44:18,216 INFO L85 PathProgramCache]: Analyzing trace with hash -506339265, now seen corresponding path program 3 times [2024-05-08 04:44:18,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:44:18,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28408248] [2024-05-08 04:44:18,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:18,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:44:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 84 proven. 7 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-05-08 04:44:18,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:44:18,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28408248] [2024-05-08 04:44:18,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28408248] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 04:44:18,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621535102] [2024-05-08 04:44:18,400 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-08 04:44:18,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:44:18,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:44:18,401 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) [2024-05-08 04:44:18,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-08 04:44:18,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-08 04:44:18,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 04:44:18,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-08 04:44:18,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 04:44:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-05-08 04:44:18,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-08 04:44:18,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621535102] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 04:44:18,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-08 04:44:18,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2024-05-08 04:44:18,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890455323] [2024-05-08 04:44:18,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 04:44:18,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-08 04:44:18,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:44:18,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-08 04:44:18,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-08 04:44:18,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:18,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:44:18,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 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) [2024-05-08 04:44:18,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:18,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:18,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:18,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:18,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:18,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-08 04:44:18,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:44:18,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:44:18,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:44:18,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1706011079, now seen corresponding path program 2 times [2024-05-08 04:44:18,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:44:18,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432726097] [2024-05-08 04:44:18,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:18,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:44:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 04:44:19,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:44:19,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432726097] [2024-05-08 04:44:19,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432726097] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 04:44:19,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941015457] [2024-05-08 04:44:19,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 04:44:19,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:44:19,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:44:19,095 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) [2024-05-08 04:44:19,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-08 04:44:19,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 04:44:19,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 04:44:19,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-08 04:44:19,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 04:44:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 04:44:19,346 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 04:44:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 04:44:19,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941015457] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 04:44:19,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 04:44:19,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-05-08 04:44:19,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551241550] [2024-05-08 04:44:19,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 04:44:19,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-08 04:44:19,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:44:19,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-08 04:44:19,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-05-08 04:44:19,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:19,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:44:19,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 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) [2024-05-08 04:44:19,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:19,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:19,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:19,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:19,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-08 04:44:19,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-08 04:44:19,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:44:19,756 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 04:44:19,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 04:44:19,757 INFO L85 PathProgramCache]: Analyzing trace with hash 814636186, now seen corresponding path program 1 times [2024-05-08 04:44:19,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 04:44:19,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617223551] [2024-05-08 04:44:19,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:19,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 04:44:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:44:20,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 04:44:20,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617223551] [2024-05-08 04:44:20,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617223551] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 04:44:20,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319917140] [2024-05-08 04:44:20,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 04:44:20,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 04:44:20,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 04:44:20,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 04:44:20,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-08 04:44:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 04:44:20,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 31 conjunts are in the unsatisfiable core [2024-05-08 04:44:20,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 04:44:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:44:20,995 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 04:44:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 04:44:21,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319917140] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 04:44:21,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 04:44:21,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 43 [2024-05-08 04:44:21,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253264922] [2024-05-08 04:44:21,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 04:44:21,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-08 04:44:21,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 04:44:21,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-08 04:44:21,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1677, Unknown=0, NotChecked=0, Total=1806 [2024-05-08 04:44:21,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:21,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 04:44:21,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 9.534883720930232) internal successors, (410), 43 states have internal predecessors, (410), 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) [2024-05-08 04:44:21,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:21,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:21,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:21,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:21,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-08 04:44:21,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 04:44:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-08 04:44:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-08 04:44:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 04:44:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-08 04:44:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-08 04:44:23,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-08 04:44:23,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-08 04:44:23,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-08 04:44:23,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-08 04:44:23,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-08 04:44:23,948 INFO L448 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2024-05-08 04:44:23,950 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-08 04:44:23,950 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-08 04:44:23,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.05 04:44:23 BasicIcfg [2024-05-08 04:44:23,952 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-08 04:44:23,953 INFO L158 Benchmark]: Toolchain (without parser) took 10614.12ms. Allocated memory was 295.7MB in the beginning and 462.4MB in the end (delta: 166.7MB). Free memory was 220.0MB in the beginning and 254.5MB in the end (delta: -34.5MB). Peak memory consumption was 133.2MB. Max. memory is 8.0GB. [2024-05-08 04:44:23,953 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-08 04:44:23,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.29ms. Allocated memory is still 295.7MB. Free memory was 219.9MB in the beginning and 243.7MB in the end (delta: -23.8MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. [2024-05-08 04:44:23,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.94ms. Allocated memory is still 295.7MB. Free memory was 243.7MB in the beginning and 241.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 04:44:23,953 INFO L158 Benchmark]: Boogie Preprocessor took 23.40ms. Allocated memory is still 295.7MB. Free memory was 241.2MB in the beginning and 239.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 04:44:23,954 INFO L158 Benchmark]: RCFGBuilder took 436.53ms. Allocated memory is still 295.7MB. Free memory was 239.6MB in the beginning and 219.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-08 04:44:23,954 INFO L158 Benchmark]: TraceAbstraction took 9647.23ms. Allocated memory was 295.7MB in the beginning and 462.4MB in the end (delta: 166.7MB). Free memory was 218.1MB in the beginning and 254.5MB in the end (delta: -36.4MB). Peak memory consumption was 130.3MB. Max. memory is 8.0GB. [2024-05-08 04:44:23,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 442.29ms. Allocated memory is still 295.7MB. Free memory was 219.9MB in the beginning and 243.7MB in the end (delta: -23.8MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.94ms. Allocated memory is still 295.7MB. Free memory was 243.7MB in the beginning and 241.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.40ms. Allocated memory is still 295.7MB. Free memory was 241.2MB in the beginning and 239.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 436.53ms. Allocated memory is still 295.7MB. Free memory was 239.6MB in the beginning and 219.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 9647.23ms. Allocated memory was 295.7MB in the beginning and 462.4MB in the end (delta: 166.7MB). Free memory was 218.1MB in the beginning and 254.5MB in the end (delta: -36.4MB). Peak memory consumption was 130.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 62848, independent: 60137, independent conditional: 58793, independent unconditional: 1344, dependent: 2711, dependent conditional: 2682, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60468, independent: 60137, independent conditional: 58793, independent unconditional: 1344, dependent: 331, dependent conditional: 302, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60468, independent: 60137, independent conditional: 58793, independent unconditional: 1344, dependent: 331, dependent conditional: 302, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 60468, independent: 60137, independent conditional: 58793, independent unconditional: 1344, dependent: 331, dependent conditional: 302, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62187, independent: 60137, independent conditional: 27067, independent unconditional: 33070, dependent: 2050, dependent conditional: 1412, dependent unconditional: 638, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62187, independent: 60137, independent conditional: 16662, independent unconditional: 43475, dependent: 2050, dependent conditional: 250, dependent unconditional: 1800, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62187, independent: 60137, independent conditional: 16662, independent unconditional: 43475, dependent: 2050, dependent conditional: 250, dependent unconditional: 1800, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1864, independent: 1824, independent conditional: 182, independent unconditional: 1642, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1864, independent: 1798, independent conditional: 0, independent unconditional: 1798, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 26, independent conditional: 10, independent unconditional: 16, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 26, independent conditional: 10, independent unconditional: 16, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, independent: 31, independent conditional: 7, independent unconditional: 24, dependent: 92, dependent conditional: 22, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 62187, independent: 58313, independent conditional: 16480, independent unconditional: 41833, dependent: 2010, dependent conditional: 236, dependent unconditional: 1774, unknown: 1864, unknown conditional: 196, unknown unconditional: 1668] , Statistics on independence cache: Total cache size (in pairs): 1864, Positive cache size: 1824, Positive conditional cache size: 182, Positive unconditional cache size: 1642, Negative cache size: 40, Negative conditional cache size: 14, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11567, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62187, independent: 60137, independent conditional: 27067, independent unconditional: 33070, dependent: 2050, dependent conditional: 1412, dependent unconditional: 638, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62187, independent: 60137, independent conditional: 16662, independent unconditional: 43475, dependent: 2050, dependent conditional: 250, dependent unconditional: 1800, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62187, independent: 60137, independent conditional: 16662, independent unconditional: 43475, dependent: 2050, dependent conditional: 250, dependent unconditional: 1800, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1864, independent: 1824, independent conditional: 182, independent unconditional: 1642, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1864, independent: 1798, independent conditional: 0, independent unconditional: 1798, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 26, independent conditional: 10, independent unconditional: 16, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 26, independent conditional: 10, independent unconditional: 16, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, independent: 31, independent conditional: 7, independent unconditional: 24, dependent: 92, dependent conditional: 22, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 62187, independent: 58313, independent conditional: 16480, independent unconditional: 41833, dependent: 2010, dependent conditional: 236, dependent unconditional: 1774, unknown: 1864, unknown conditional: 196, unknown unconditional: 1668] , Statistics on independence cache: Total cache size (in pairs): 1864, Positive cache size: 1824, Positive conditional cache size: 182, Positive unconditional cache size: 1642, Negative cache size: 40, Negative conditional cache size: 14, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11567 ], Independence queries for same thread: 2380 - PositiveResult [Line: 919]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 175 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 58, 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, 2.9s InterpolantComputationTime, 1669 NumberOfCodeBlocks, 1669 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2001 ConstructedInterpolants, 0 QuantifiedInterpolants, 6223 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1785 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 570/1236 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: 1.9s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 35, ConditionalCommutativityTraceChecks: 1, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-08 04:44:23,975 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 [2024-05-08 04:44:24,175 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 0 Received shutdown request...