/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 18:16:04,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 18:16:04,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 18:16:04,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 18:16:04,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 18:16:04,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 18:16:04,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 18:16:04,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 18:16:04,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 18:16:04,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 18:16:04,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 18:16:04,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 18:16:04,205 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 18:16:04,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 18:16:04,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 18:16:04,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 18:16:04,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 18:16:04,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 18:16:04,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 18:16:04,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 18:16:04,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 18:16:04,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 18:16:04,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 18:16:04,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 18:16:04,212 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 18:16:04,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 18:16:04,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 18:16:04,213 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 18:16:04,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 18:16:04,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:16:04,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 18:16:04,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 18:16:04,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 18:16:04,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 18:16:04,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 18:16:04,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 18:16:04,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 18:16:04,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 18:16:04,216 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 18:16:04,216 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 18:16:04,216 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 18:16:04,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 18:16:04,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 18:16:04,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 18:16:04,508 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 18:16:04,508 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 18:16:04,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-17 18:16:05,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 18:16:06,003 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 18:16:06,004 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-17 18:16:06,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a365ff20/67adf84586234f21967dfb70542f9ec0/FLAG22c588900 [2023-11-17 18:16:06,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a365ff20/67adf84586234f21967dfb70542f9ec0 [2023-11-17 18:16:06,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 18:16:06,042 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 18:16:06,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 18:16:06,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 18:16:06,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 18:16:06,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af3508b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06, skipping insertion in model container [2023-11-17 18:16:06,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 18:16:06,223 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2023-11-17 18:16:06,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:16:06,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 18:16:06,252 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2023-11-17 18:16:06,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:16:06,260 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:16:06,261 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:16:06,267 INFO L206 MainTranslator]: Completed translation [2023-11-17 18:16:06,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06 WrapperNode [2023-11-17 18:16:06,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 18:16:06,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 18:16:06,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 18:16:06,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 18:16:06,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,299 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-17 18:16:06,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 18:16:06,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 18:16:06,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 18:16:06,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 18:16:06,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 18:16:06,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 18:16:06,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 18:16:06,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 18:16:06,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (1/1) ... [2023-11-17 18:16:06,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:16:06,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:16:06,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 18:16:06,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 18:16:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 18:16:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 18:16:06,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 18:16:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 18:16:06,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 18:16:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 18:16:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 18:16:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 18:16:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 18:16:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 18:16:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 18:16:06,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 18:16:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 18:16:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 18:16:06,420 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 18:16:06,529 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 18:16:06,530 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 18:16:06,709 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 18:16:06,757 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 18:16:06,757 INFO L307 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-17 18:16:06,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:16:06 BoogieIcfgContainer [2023-11-17 18:16:06,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 18:16:06,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 18:16:06,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 18:16:06,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 18:16:06,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:16:06" (1/3) ... [2023-11-17 18:16:06,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee8b187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:16:06, skipping insertion in model container [2023-11-17 18:16:06,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:06" (2/3) ... [2023-11-17 18:16:06,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee8b187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:16:06, skipping insertion in model container [2023-11-17 18:16:06,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:16:06" (3/3) ... [2023-11-17 18:16:06,774 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2023-11-17 18:16:06,782 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 18:16:06,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 18:16:06,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 18:16:06,791 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 18:16:06,849 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 18:16:06,888 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:16:06,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 18:16:06,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:16:06,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 18:16:06,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 18:16:06,930 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 18:16:06,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 18:16:06,947 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;@19b502f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:16:06,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-17 18:16:07,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:16:07,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:16:07,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1635374283, now seen corresponding path program 1 times [2023-11-17 18:16:07,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:16:07,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096784769] [2023-11-17 18:16:07,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:16:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:16:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:16:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 18:16:07,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:16:07,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096784769] [2023-11-17 18:16:07,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096784769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:16:07,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:16:07,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 18:16:07,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993658627] [2023-11-17 18:16:07,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:16:07,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 18:16:07,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:16:07,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 18:16:07,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 18:16:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:07,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:16:07,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 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) [2023-11-17 18:16:07,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:07,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 18:16:07,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:16:07,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:16:07,475 INFO L85 PathProgramCache]: Analyzing trace with hash -75260359, now seen corresponding path program 1 times [2023-11-17 18:16:07,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:16:07,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543417102] [2023-11-17 18:16:07,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:16:07,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:16:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:16:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 18:16:08,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:16:08,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543417102] [2023-11-17 18:16:08,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543417102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:16:08,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:16:08,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 18:16:08,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123565685] [2023-11-17 18:16:08,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:16:08,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 18:16:08,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:16:08,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 18:16:08,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-17 18:16:08,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:08,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:16:08,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) [2023-11-17 18:16:08,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:08,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:16:08,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 18:16:08,458 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:16:08,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:16:08,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1086882388, now seen corresponding path program 2 times [2023-11-17 18:16:08,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:16:08,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141015129] [2023-11-17 18:16:08,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:16:08,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:16:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:16:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:16:09,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:16:09,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141015129] [2023-11-17 18:16:09,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141015129] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:16:09,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91940199] [2023-11-17 18:16:09,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 18:16:09,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:16:09,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:16:09,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:16:09,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 18:16:09,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 18:16:09,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:16:09,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 18:16:09,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:16:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 18:16:10,166 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:16:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-17 18:16:10,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91940199] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-17 18:16:10,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-17 18:16:10,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 11] total 14 [2023-11-17 18:16:10,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556564071] [2023-11-17 18:16:10,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:16:10,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 18:16:10,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:16:10,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 18:16:10,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-11-17 18:16:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:10,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:16:10,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2023-11-17 18:16:10,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:10,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:16:10,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:10,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:10,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:16:10,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 18:16:10,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 18:16:10,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-17 18:16:10,585 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:16:10,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:16:10,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2063496928, now seen corresponding path program 3 times [2023-11-17 18:16:10,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:16:10,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460514756] [2023-11-17 18:16:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:16:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:16:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:16:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:16:15,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:16:15,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460514756] [2023-11-17 18:16:15,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460514756] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:16:15,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860204590] [2023-11-17 18:16:15,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 18:16:15,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:16:15,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:16:15,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:16:15,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 18:16:15,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-11-17 18:16:15,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:16:15,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-17 18:16:15,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:16:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:16:19,161 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:16:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:16:27,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860204590] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:16:27,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:16:27,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 25] total 64 [2023-11-17 18:16:27,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150719986] [2023-11-17 18:16:27,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:16:27,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-11-17 18:16:27,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:16:27,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-11-17 18:16:27,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=543, Invalid=3489, Unknown=0, NotChecked=0, Total=4032 [2023-11-17 18:16:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:27,404 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:16:27,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.78125) internal successors, (242), 64 states have internal predecessors, (242), 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) [2023-11-17 18:16:27,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:27,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:16:27,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 18:16:27,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:16:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:16:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 18:16:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-11-17 18:16:53,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 18:16:53,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:16:53,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:16:53,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:16:53,568 INFO L85 PathProgramCache]: Analyzing trace with hash 963042404, now seen corresponding path program 4 times [2023-11-17 18:16:53,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:16:53,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219888969] [2023-11-17 18:16:53,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:16:53,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:16:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:16:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:16:59,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:16:59,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219888969] [2023-11-17 18:16:59,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219888969] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:16:59,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222035904] [2023-11-17 18:16:59,097 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 18:16:59,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:16:59,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:16:59,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:16:59,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 18:16:59,593 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 18:16:59,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:16:59,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-17 18:16:59,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:17:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:17:05,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:17:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:17:22,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222035904] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:17:22,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:17:22,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 37, 35] total 95 [2023-11-17 18:17:22,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471647646] [2023-11-17 18:17:22,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:17:22,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2023-11-17 18:17:22,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:17:22,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2023-11-17 18:17:22,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1155, Invalid=7775, Unknown=0, NotChecked=0, Total=8930 [2023-11-17 18:17:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:17:22,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:17:22,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 3.042105263157895) internal successors, (289), 95 states have internal predecessors, (289), 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) [2023-11-17 18:17:22,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:17:22,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:17:22,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 18:17:22,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-11-17 18:17:22,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:17:57,721 WARN L293 SmtUtils]: Spent 8.70s on a formula simplification that was a NOOP. DAG size: 206 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 18:18:48,892 WARN L293 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 18:19:36,040 WARN L293 SmtUtils]: Spent 7.20s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 18:20:36,919 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse18 (+ c_~S~0 c_~T~0))) (let ((.cse13 (* (div .cse18 4294967296) 4294967296))) (let ((.cse20 (+ c_~m~0 2)) (.cse22 (+ c_~m~0 5)) (.cse21 (+ c_~m~0 4)) (.cse23 (+ c_~m~0 3)) (.cse24 (+ c_~m~0 6)) (.cse16 (* (- 1) c_~S~0)) (.cse17 (* (- 1) c_~T~0)) (.cse19 (= .cse18 .cse13))) (let ((.cse0 (< 0 (mod (+ c_~t~0 4294967290) 4294967296))) (.cse2 (and (<= (+ c_~S~0 c_~T~0 (* (div .cse24 4294967296) 4294967296)) (+ 7 c_~m~0 .cse13)) (<= (+ (* (div (+ c_~m~0 6 .cse16 .cse17) 4294967296) 4294967296) .cse13 4294967289) c_~m~0) (or .cse19 (not (= (mod (+ 7 c_~m~0) 4294967296) 0))))) (.cse5 (and (or (not (= (mod .cse21 4294967296) 0)) .cse19) (<= (+ (* (div .cse23 4294967296) 4294967296) c_~S~0 c_~T~0) (+ c_~m~0 .cse13 4)) (<= (+ 4294967292 (* 4294967296 (div (+ c_~m~0 3 .cse16 .cse17) 4294967296)) .cse13) c_~m~0))) (.cse4 (* c_~s~0 4294967295)) (.cse6 (< 0 (mod (+ c_~t~0 4294967293) 4294967296))) (.cse11 (< 0 (mod (+ c_~t~0 4294967291) 4294967296))) (.cse12 (and (or .cse19 (not (= (mod .cse24 4294967296) 0))) (<= (+ (* (div (+ c_~m~0 5 .cse16 .cse17) 4294967296) 4294967296) 4294967290 .cse13) c_~m~0) (<= (+ (* (div .cse22 4294967296) 4294967296) c_~S~0 c_~T~0) (+ c_~m~0 6 .cse13)))) (.cse7 (< 0 (mod (+ c_~t~0 4294967294) 4294967296))) (.cse1 (not (= (mod (+ c_~s~0 4294967295) 4294967296) 0))) (.cse8 (and (<= (+ .cse13 (* (div (+ c_~m~0 2 .cse16 .cse17) 4294967296) 4294967296) 4294967293) c_~m~0) (or (not (= (mod .cse23 4294967296) 0)) .cse19) (<= (+ c_~S~0 c_~T~0 (* (div .cse20 4294967296) 4294967296)) (+ c_~m~0 3 .cse13)))) (.cse9 (and (<= (+ (* (div .cse21 4294967296) 4294967296) c_~S~0 c_~T~0) (+ c_~m~0 5 .cse13)) (or (not (= (mod .cse22 4294967296) 0)) .cse19) (<= (+ 4294967291 (* 4294967296 (div (+ c_~m~0 .cse16 .cse17 4) 4294967296)) .cse13) c_~m~0))) (.cse10 (< 0 (mod (+ 4294967292 c_~t~0) 4294967296))) (.cse14 (* (div c_~t~0 4294967296) 4294967296)) (.cse3 (not (= (mod (+ c_~s~0 4294967294) 4294967296) 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or (not (= (mod (+ .cse4 1) 4294967296) 0)) .cse5 .cse6) (or .cse5 (not (= (mod (+ 2 .cse4) 4294967296) 0)) .cse6) (or .cse3 .cse7 .cse8) (or .cse9 .cse1 .cse10) (or .cse3 .cse11 .cse12) (or .cse8 (not (= (mod (+ c_~s~0 4294967293) 4294967296) 0)) (< 0 (mod (+ c_~t~0 4294967295) 4294967296))) (or (= (+ c_~m~0 .cse13) (+ c_~S~0 c_~T~0 (* (div c_~m~0 4294967296) 4294967296))) (and (<= (div c_thread1Thread1of1ForFork1_~cond~0 256) 0) (<= 1 c_thread1Thread1of1ForFork1_~cond~0))) (or .cse1 .cse11 .cse12) (or .cse7 .cse1 .cse8) (or (and (= c_thread2Thread1of1ForFork0_~cond~1 0) (<= c_~t~0 .cse14)) (and (<= (+ .cse14 1) c_~t~0) (= c_thread2Thread1of1ForFork0_~cond~1 1))) (or .cse3 .cse9 .cse10) (let ((.cse15 (* (div (+ c_~s~0 (- 2)) 4294967296) 4294967296))) (or (< c_~s~0 (+ 3 .cse15)) (and (<= c_~s~0 (+ 4294967295 .cse15 (* 4294967296 (div (+ c_~s~0 c_~t~0 6 .cse16 .cse17) 4294967296)))) (<= 6 c_~m~0) (<= (+ c_~s~0 c_~m~0 .cse14) .cse18)) (< .cse14 c_~t~0))) (or .cse3 (< 0 (mod c_~t~0 4294967296)) (and (or .cse19 (not (= (mod .cse20 4294967296) 0))) (<= (+ c_~S~0 c_~T~0 (* (div (+ c_~m~0 1) 4294967296) 4294967296)) (+ c_~m~0 2 .cse13)) (<= (+ (* (div (+ c_~m~0 .cse16 .cse17 1) 4294967296) 4294967296) 4294967294 .cse13) c_~m~0)))))))) is different from false [2023-11-17 18:24:30,328 WARN L293 SmtUtils]: Spent 21.59s on a formula simplification that was a NOOP. DAG size: 231 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 18:24:37,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-11-17 18:25:30,015 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 18:25:30,015 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 18:25:30,015 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 18:25:31,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-17 18:25:31,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 18:25:31,229 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-17 18:25:31,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2023-11-17 18:25:31,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-17 18:25:31,237 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-11-17 18:25:31,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-11-17 18:25:31,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-11-17 18:25:31,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-11-17 18:25:31,244 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1] [2023-11-17 18:25:31,247 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 18:25:31,247 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 18:25:31,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:25:31 BasicIcfg [2023-11-17 18:25:31,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 18:25:31,251 INFO L158 Benchmark]: Toolchain (without parser) took 565208.30ms. Allocated memory was 275.8MB in the beginning and 478.2MB in the end (delta: 202.4MB). Free memory was 226.4MB in the beginning and 226.3MB in the end (delta: 113.8kB). Peak memory consumption was 203.5MB. Max. memory is 8.0GB. [2023-11-17 18:25:31,251 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 177.2MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 18:25:31,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.21ms. Allocated memory is still 275.8MB. Free memory was 226.0MB in the beginning and 214.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-11-17 18:25:31,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.47ms. Allocated memory is still 275.8MB. Free memory was 214.9MB in the beginning and 213.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 18:25:31,253 INFO L158 Benchmark]: Boogie Preprocessor took 30.19ms. Allocated memory is still 275.8MB. Free memory was 213.0MB in the beginning and 212.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 18:25:31,253 INFO L158 Benchmark]: RCFGBuilder took 428.13ms. Allocated memory is still 275.8MB. Free memory was 211.7MB in the beginning and 195.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-11-17 18:25:31,254 INFO L158 Benchmark]: TraceAbstraction took 564488.85ms. Allocated memory was 275.8MB in the beginning and 478.2MB in the end (delta: 202.4MB). Free memory was 195.2MB in the beginning and 226.3MB in the end (delta: -31.1MB). Peak memory consumption was 172.1MB. Max. memory is 8.0GB. [2023-11-17 18:25:31,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 177.2MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 222.21ms. Allocated memory is still 275.8MB. Free memory was 226.0MB in the beginning and 214.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.47ms. Allocated memory is still 275.8MB. Free memory was 214.9MB in the beginning and 213.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.19ms. Allocated memory is still 275.8MB. Free memory was 213.0MB in the beginning and 212.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 428.13ms. Allocated memory is still 275.8MB. Free memory was 211.7MB in the beginning and 195.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 564488.85ms. Allocated memory was 275.8MB in the beginning and 478.2MB in the end (delta: 202.4MB). Free memory was 195.2MB in the beginning and 226.3MB in the end (delta: -31.1MB). Peak memory consumption was 172.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1631, independent: 1365, independent conditional: 842, independent unconditional: 523, dependent: 266, dependent conditional: 257, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1410, independent: 1365, independent conditional: 842, independent unconditional: 523, dependent: 45, dependent conditional: 36, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1410, independent: 1365, independent conditional: 842, independent unconditional: 523, dependent: 45, dependent conditional: 36, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1487, independent: 1365, independent conditional: 22, independent unconditional: 1343, dependent: 122, dependent conditional: 55, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1487, independent: 1365, independent conditional: 22, independent unconditional: 1343, dependent: 122, dependent conditional: 41, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1487, independent: 1365, independent conditional: 22, independent unconditional: 1343, dependent: 122, dependent conditional: 41, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 515, independent: 485, independent conditional: 18, independent unconditional: 467, dependent: 30, dependent conditional: 21, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 515, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 19, independent conditional: 18, independent unconditional: 1, dependent: 30, dependent conditional: 21, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 19, independent conditional: 18, independent unconditional: 1, dependent: 30, dependent conditional: 21, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 341, independent: 168, independent conditional: 119, independent unconditional: 49, dependent: 173, dependent conditional: 91, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1487, independent: 880, independent conditional: 4, independent unconditional: 876, dependent: 92, dependent conditional: 20, dependent unconditional: 72, unknown: 515, unknown conditional: 39, unknown unconditional: 476] , Statistics on independence cache: Total cache size (in pairs): 515, Positive cache size: 485, Positive conditional cache size: 18, Positive unconditional cache size: 467, Negative cache size: 30, Negative conditional cache size: 21, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 4, Independence queries for same thread: 221 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 85, Number of trivial persistent sets: 62, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 532, independent: 523, independent conditional: 0, independent unconditional: 523, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1631, independent: 1365, independent conditional: 842, independent unconditional: 523, dependent: 266, dependent conditional: 257, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1410, independent: 1365, independent conditional: 842, independent unconditional: 523, dependent: 45, dependent conditional: 36, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1410, independent: 1365, independent conditional: 842, independent unconditional: 523, dependent: 45, dependent conditional: 36, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1487, independent: 1365, independent conditional: 22, independent unconditional: 1343, dependent: 122, dependent conditional: 55, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1487, independent: 1365, independent conditional: 22, independent unconditional: 1343, dependent: 122, dependent conditional: 41, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1487, independent: 1365, independent conditional: 22, independent unconditional: 1343, dependent: 122, dependent conditional: 41, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 515, independent: 485, independent conditional: 18, independent unconditional: 467, dependent: 30, dependent conditional: 21, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 515, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 19, independent conditional: 18, independent unconditional: 1, dependent: 30, dependent conditional: 21, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 19, independent conditional: 18, independent unconditional: 1, dependent: 30, dependent conditional: 21, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 341, independent: 168, independent conditional: 119, independent unconditional: 49, dependent: 173, dependent conditional: 91, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1487, independent: 880, independent conditional: 4, independent unconditional: 876, dependent: 92, dependent conditional: 20, dependent unconditional: 72, unknown: 515, unknown conditional: 39, unknown unconditional: 476] , Statistics on independence cache: Total cache size (in pairs): 515, Positive cache size: 485, Positive conditional cache size: 18, Positive unconditional cache size: 467, Negative cache size: 30, Negative conditional cache size: 21, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 4, Independence queries for same thread: 221 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 102 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 564.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 514.8s, 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: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 47.3s InterpolantComputationTime, 732 NumberOfCodeBlocks, 732 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1012 ConstructedInterpolants, 0 QuantifiedInterpolants, 23016 SizeOfPredicates, 43 NumberOfNonLiveVariables, 638 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 49/804 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown