/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -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 [2024-05-06 18:42:26,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 18:42:26,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 18:42:26,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 18:42:26,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 18:42:26,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 18:42:26,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 18:42:26,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 18:42:26,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 18:42:26,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 18:42:26,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 18:42:26,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 18:42:26,338 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 18:42:26,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 18:42:26,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 18:42:26,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 18:42:26,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 18:42:26,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 18:42:26,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 18:42:26,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 18:42:26,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 18:42:26,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 18:42:26,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 18:42:26,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 18:42:26,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 18:42:26,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 18:42:26,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 18:42:26,344 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 18:42:26,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 18:42:26,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 18:42:26,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 18:42:26,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 18:42:26,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 18:42:26,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 18:42:26,345 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 18:42:26,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 18:42:26,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 18:42:26,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 18:42:26,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 18:42:26,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-05-06 18:42:26,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 18:42:26,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 18:42:26,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 18:42:26,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 18:42:26,559 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 18:42:26,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-05-06 18:42:27,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 18:42:27,808 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 18:42:27,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-05-06 18:42:27,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1e986dd71/f212c1b85b464380bd57c2d84ea421a4/FLAGc3a2d83aa [2024-05-06 18:42:27,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1e986dd71/f212c1b85b464380bd57c2d84ea421a4 [2024-05-06 18:42:27,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 18:42:27,833 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 18:42:27,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 18:42:27,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 18:42:27,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 18:42:27,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 06:42:27" (1/1) ... [2024-05-06 18:42:27,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddc5992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:27, skipping insertion in model container [2024-05-06 18:42:27,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 06:42:27" (1/1) ... [2024-05-06 18:42:27,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 18:42:28,169 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] [2024-05-06 18:42:28,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 18:42:28,188 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 18:42:28,226 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] [2024-05-06 18:42:28,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 18:42:28,278 INFO L206 MainTranslator]: Completed translation [2024-05-06 18:42:28,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28 WrapperNode [2024-05-06 18:42:28,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 18:42:28,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 18:42:28,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 18:42:28,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 18:42:28,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,321 INFO L138 Inliner]: procedures = 244, calls = 54, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2024-05-06 18:42:28,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 18:42:28,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 18:42:28,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 18:42:28,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 18:42:28,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 18:42:28,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 18:42:28,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 18:42:28,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 18:42:28,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (1/1) ... [2024-05-06 18:42:28,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 18:42:28,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 18:42:28,373 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) [2024-05-06 18:42:28,382 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 [2024-05-06 18:42:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 18:42:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 18:42:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-05-06 18:42:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-06 18:42:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 18:42:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 18:42:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 18:42:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 18:42:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 18:42:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 18:42:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-06 18:42:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 18:42:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 18:42:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 18:42:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 18:42:28,415 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 18:42:28,517 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 18:42:28,519 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 18:42:28,715 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 18:42:28,735 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 18:42:28,735 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-06 18:42:28,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 06:42:28 BoogieIcfgContainer [2024-05-06 18:42:28,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 18:42:28,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 18:42:28,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 18:42:28,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 18:42:28,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 06:42:27" (1/3) ... [2024-05-06 18:42:28,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dbe09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 06:42:28, skipping insertion in model container [2024-05-06 18:42:28,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:42:28" (2/3) ... [2024-05-06 18:42:28,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dbe09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 06:42:28, skipping insertion in model container [2024-05-06 18:42:28,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 06:42:28" (3/3) ... [2024-05-06 18:42:28,744 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-05-06 18:42:28,750 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 18:42:28,757 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 18:42:28,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 18:42:28,758 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 18:42:28,817 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 18:42:28,852 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 18:42:28,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 18:42:28,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 18:42:28,854 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) [2024-05-06 18:42:28,855 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 [2024-05-06 18:42:28,886 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 18:42:28,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 18:42:28,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 18:42:28,901 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;@68fefb67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 18:42:28,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 18:42:29,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 18:42:29,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 18:42:29,540 INFO L85 PathProgramCache]: Analyzing trace with hash -892493939, now seen corresponding path program 1 times [2024-05-06 18:42:29,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 18:42:29,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224354462] [2024-05-06 18:42:29,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:29,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-05-06 18:42:29,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 18:42:29,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224354462] [2024-05-06 18:42:29,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224354462] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 18:42:29,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 18:42:29,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-06 18:42:29,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923197134] [2024-05-06 18:42:29,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 18:42:29,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-06 18:42:29,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 18:42:30,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 18:42:30,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 18:42:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:30,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 18:42:30,022 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) [2024-05-06 18:42:30,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:30,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1233214126, now seen corresponding path program 1 times [2024-05-06 18:42:30,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:30,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 18:42:30,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 18:42:30,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-06 18:42:30,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-06 18:42:30,966 INFO L85 PathProgramCache]: Analyzing trace with hash -983078965, now seen corresponding path program 1 times [2024-05-06 18:42:30,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:30,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-06 18:42:31,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:31,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-06 18:42:31,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 18:42:31,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-05-06 18:42:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:31,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-05-06 18:42:31,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 18:42:31,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 18:42:31,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1319990757, now seen corresponding path program 1 times [2024-05-06 18:42:31,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 18:42:31,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711058232] [2024-05-06 18:42:31,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:31,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-06 18:42:31,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 18:42:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711058232] [2024-05-06 18:42:31,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711058232] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 18:42:31,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385377460] [2024-05-06 18:42:31,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:31,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 18:42:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 18:42:31,522 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) [2024-05-06 18:42:31,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 18:42:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:31,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-06 18:42:31,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 18:42:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-06 18:42:31,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-06 18:42:31,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385377460] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 18:42:31,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-06 18:42:31,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-05-06 18:42:31,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334173513] [2024-05-06 18:42:31,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 18:42:31,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 18:42:31,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 18:42:31,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 18:42:31,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-05-06 18:42:31,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:31,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 18:42:31,752 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) [2024-05-06 18:42:31,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:31,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 18:42:31,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-06 18:42:32,058 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,SelfDestructingSolverStorable5 [2024-05-06 18:42:32,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 18:42:32,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 18:42:32,060 INFO L85 PathProgramCache]: Analyzing trace with hash -506339265, now seen corresponding path program 2 times [2024-05-06 18:42:32,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 18:42:32,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054549149] [2024-05-06 18:42:32,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:32,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 84 proven. 7 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-05-06 18:42:32,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 18:42:32,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054549149] [2024-05-06 18:42:32,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054549149] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 18:42:32,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109398206] [2024-05-06 18:42:32,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 18:42:32,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 18:42:32,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 18:42:32,263 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) [2024-05-06 18:42:32,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 18:42:32,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 18:42:32,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 18:42:32,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-06 18:42:32,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 18:42:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-06 18:42:32,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 18:42:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-06 18:42:32,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109398206] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 18:42:32,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 18:42:32,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 15 [2024-05-06 18:42:32,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388898568] [2024-05-06 18:42:32,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 18:42:32,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 18:42:32,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 18:42:32,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 18:42:32,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-05-06 18:42:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:32,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 18:42:32,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.4) internal successors, (261), 15 states have internal predecessors, (261), 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) [2024-05-06 18:42:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 18:42:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 18:42:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 18:42:33,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 18:42:33,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 18:42:33,361 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 18:42:33,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 18:42:33,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1417557362, now seen corresponding path program 1 times [2024-05-06 18:42:33,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 18:42:33,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94567538] [2024-05-06 18:42:33,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:33,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 164 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 18:42:33,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 18:42:33,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94567538] [2024-05-06 18:42:33,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94567538] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 18:42:33,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257001280] [2024-05-06 18:42:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:33,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 18:42:33,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 18:42:33,562 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) [2024-05-06 18:42:33,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 18:42:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:33,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 18:42:33,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 18:42:33,847 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 18:42:33,848 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-06 18:42:33,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257001280] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 18:42:33,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-06 18:42:33,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 13 [2024-05-06 18:42:33,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104575568] [2024-05-06 18:42:33,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 18:42:33,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-06 18:42:33,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 18:42:33,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-06 18:42:33,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-05-06 18:42:33,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:33,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 18:42:33,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.636363636363637) internal successors, (194), 11 states have internal predecessors, (194), 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) [2024-05-06 18:42:33,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:33,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 18:42:33,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 18:42:33,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 18:42:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-06 18:42:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 18:42:33,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 18:42:34,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 18:42:34,197 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 18:42:34,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 18:42:34,197 INFO L85 PathProgramCache]: Analyzing trace with hash 814636186, now seen corresponding path program 2 times [2024-05-06 18:42:34,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 18:42:34,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127947588] [2024-05-06 18:42:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 18:42:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 18:42:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 18:42:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 18:42:34,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 18:42:34,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127947588] [2024-05-06 18:42:34,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127947588] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 18:42:34,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452997545] [2024-05-06 18:42:34,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 18:42:34,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 18:42:34,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 18:42:34,753 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) [2024-05-06 18:42:34,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 18:42:34,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 18:42:34,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 18:42:34,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 31 conjunts are in the unsatisfiable core [2024-05-06 18:42:34,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 18:42:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 18:42:35,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 18:42:35,896 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 18:42:35,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452997545] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 18:42:35,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 18:42:35,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 43 [2024-05-06 18:42:35,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119583418] [2024-05-06 18:42:35,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 18:42:35,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-06 18:42:35,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 18:42:35,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-06 18:42:35,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1677, Unknown=0, NotChecked=0, Total=1806 [2024-05-06 18:42:35,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:35,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 18:42:35,899 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) [2024-05-06 18:42:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 18:42:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-06 18:42:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 18:42:35,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 18:42:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 18:42:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 18:42:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-06 18:42:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 18:42:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 18:42:38,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-06 18:42:38,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-06 18:42:38,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-06 18:42:38,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 18:42:38,782 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,SelfDestructingSolverStorable8 [2024-05-06 18:42:38,787 INFO L448 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2024-05-06 18:42:38,789 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 18:42:38,789 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 18:42:38,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 06:42:38 BasicIcfg [2024-05-06 18:42:38,792 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 18:42:38,792 INFO L158 Benchmark]: Toolchain (without parser) took 10958.82ms. Allocated memory was 276.8MB in the beginning and 439.4MB in the end (delta: 162.5MB). Free memory was 204.0MB in the beginning and 154.2MB in the end (delta: 49.7MB). Peak memory consumption was 213.3MB. Max. memory is 8.0GB. [2024-05-06 18:42:38,792 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 18:42:38,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.81ms. Allocated memory is still 276.8MB. Free memory was 204.0MB in the beginning and 176.7MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-05-06 18:42:38,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.11ms. Allocated memory is still 276.8MB. Free memory was 176.7MB in the beginning and 174.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 18:42:38,793 INFO L158 Benchmark]: Boogie Preprocessor took 25.02ms. Allocated memory is still 276.8MB. Free memory was 174.6MB in the beginning and 172.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 18:42:38,793 INFO L158 Benchmark]: RCFGBuilder took 389.34ms. Allocated memory is still 276.8MB. Free memory was 172.5MB in the beginning and 233.7MB in the end (delta: -61.1MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2024-05-06 18:42:38,793 INFO L158 Benchmark]: TraceAbstraction took 10053.03ms. Allocated memory was 276.8MB in the beginning and 439.4MB in the end (delta: 162.5MB). Free memory was 232.1MB in the beginning and 154.2MB in the end (delta: 77.9MB). Peak memory consumption was 240.4MB. Max. memory is 8.0GB. [2024-05-06 18:42:38,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.81ms. Allocated memory is still 276.8MB. Free memory was 204.0MB in the beginning and 176.7MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.11ms. Allocated memory is still 276.8MB. Free memory was 176.7MB in the beginning and 174.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.02ms. Allocated memory is still 276.8MB. Free memory was 174.6MB in the beginning and 172.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 389.34ms. Allocated memory is still 276.8MB. Free memory was 172.5MB in the beginning and 233.7MB in the end (delta: -61.1MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 10053.03ms. Allocated memory was 276.8MB in the beginning and 439.4MB in the end (delta: 162.5MB). Free memory was 232.1MB in the beginning and 154.2MB in the end (delta: 77.9MB). Peak memory consumption was 240.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 68422, independent: 65048, independent conditional: 64184, independent unconditional: 864, dependent: 3374, dependent conditional: 3359, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 65326, independent: 65048, independent conditional: 64184, independent unconditional: 864, dependent: 278, dependent conditional: 263, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65326, independent: 65048, independent conditional: 64184, independent unconditional: 864, dependent: 278, dependent conditional: 263, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 65326, independent: 65048, independent conditional: 64184, independent unconditional: 864, dependent: 278, dependent conditional: 263, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66943, independent: 65048, independent conditional: 29652, independent unconditional: 35396, dependent: 1895, dependent conditional: 1346, dependent unconditional: 549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66943, independent: 65048, independent conditional: 19433, independent unconditional: 45615, dependent: 1895, dependent conditional: 243, dependent unconditional: 1652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66943, independent: 65048, independent conditional: 19433, independent unconditional: 45615, dependent: 1895, dependent conditional: 243, dependent unconditional: 1652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1855, independent: 1824, independent conditional: 210, independent unconditional: 1614, dependent: 31, dependent conditional: 12, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1855, independent: 1806, independent conditional: 0, independent unconditional: 1806, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 3, independent unconditional: 15, dependent: 31, dependent conditional: 12, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 3, independent unconditional: 15, dependent: 31, dependent conditional: 12, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, independent: 34, independent conditional: 5, independent unconditional: 28, dependent: 78, dependent conditional: 17, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 66943, independent: 63224, independent conditional: 19223, independent unconditional: 44001, dependent: 1864, dependent conditional: 231, dependent unconditional: 1633, unknown: 1855, unknown conditional: 222, unknown unconditional: 1633] , Statistics on independence cache: Total cache size (in pairs): 1855, Positive cache size: 1824, Positive conditional cache size: 210, Positive unconditional cache size: 1614, Negative cache size: 31, Negative conditional cache size: 12, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11322, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66943, independent: 65048, independent conditional: 29652, independent unconditional: 35396, dependent: 1895, dependent conditional: 1346, dependent unconditional: 549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66943, independent: 65048, independent conditional: 19433, independent unconditional: 45615, dependent: 1895, dependent conditional: 243, dependent unconditional: 1652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66943, independent: 65048, independent conditional: 19433, independent unconditional: 45615, dependent: 1895, dependent conditional: 243, dependent unconditional: 1652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1855, independent: 1824, independent conditional: 210, independent unconditional: 1614, dependent: 31, dependent conditional: 12, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1855, independent: 1806, independent conditional: 0, independent unconditional: 1806, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 3, independent unconditional: 15, dependent: 31, dependent conditional: 12, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 3, independent unconditional: 15, dependent: 31, dependent conditional: 12, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, independent: 34, independent conditional: 5, independent unconditional: 28, dependent: 78, dependent conditional: 17, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 66943, independent: 63224, independent conditional: 19223, independent unconditional: 44001, dependent: 1864, dependent conditional: 231, dependent unconditional: 1633, unknown: 1855, unknown conditional: 222, unknown unconditional: 1633] , Statistics on independence cache: Total cache size (in pairs): 1855, Positive cache size: 1824, Positive conditional cache size: 210, Positive unconditional cache size: 1614, Negative cache size: 31, Negative conditional cache size: 12, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11322 ], Independence queries for same thread: 3096 - 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: 9.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 5.3s, 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: 111, 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, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1564 NumberOfCodeBlocks, 1564 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1919 ConstructedInterpolants, 0 QuantifiedInterpolants, 6325 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1854 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 704/1445 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: 1.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 2, ConditionalCommutativityConditionCalculations: 19, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 18:42:38,814 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 [2024-05-06 18:42:39,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...