/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 22:21:35,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 22:21:35,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 22:21:35,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 22:21:35,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 22:21:35,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 22:21:35,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 22:21:35,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 22:21:35,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 22:21:35,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 22:21:35,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 22:21:35,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 22:21:35,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 22:21:35,978 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 22:21:35,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 22:21:35,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 22:21:35,978 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 22:21:35,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 22:21:35,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 22:21:35,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 22:21:35,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 22:21:35,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 22:21:35,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 22:21:35,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 22:21:35,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 22:21:35,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 22:21:35,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 22:21:35,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 22:21:35,982 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 22:21:35,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 22:21:35,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:21:35,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 22:21:35,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 22:21:35,983 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 22:21:35,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 22:21:35,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 22:21:35,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 22:21:35,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 22:21:35,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 22:21:35,984 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 22:21:35,984 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 22:21:35,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 22:21:36,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 22:21:36,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 22:21:36,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 22:21:36,192 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 22:21:36,192 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 22:21:36,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2023-09-04 22:21:37,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 22:21:37,434 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 22:21:37,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2023-09-04 22:21:37,444 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c51e7043b/27870d66630344afbf4978eb12ff2df5/FLAGff11f60f0 [2023-09-04 22:21:37,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c51e7043b/27870d66630344afbf4978eb12ff2df5 [2023-09-04 22:21:37,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 22:21:37,459 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 22:21:37,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 22:21:37,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 22:21:37,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 22:21:37,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c93038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37, skipping insertion in model container [2023-09-04 22:21:37,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,506 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 22:21:37,603 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-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2023-09-04 22:21:37,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:21:37,777 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 22:21:37,784 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-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2023-09-04 22:21:37,794 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-04 22:21:37,795 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-04 22:21:37,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:21:37,851 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:21:37,852 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:21:37,856 INFO L206 MainTranslator]: Completed translation [2023-09-04 22:21:37,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37 WrapperNode [2023-09-04 22:21:37,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 22:21:37,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 22:21:37,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 22:21:37,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 22:21:37,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,903 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2023-09-04 22:21:37,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 22:21:37,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 22:21:37,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 22:21:37,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 22:21:37,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 22:21:37,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 22:21:37,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 22:21:37,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 22:21:37,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (1/1) ... [2023-09-04 22:21:37,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:21:37,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:21:37,967 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) [2023-09-04 22:21:37,984 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 [2023-09-04 22:21:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 22:21:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 22:21:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 22:21:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 22:21:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 22:21:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-04 22:21:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-04 22:21:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-04 22:21:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-04 22:21:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-04 22:21:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-04 22:21:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 22:21:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 22:21:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 22:21:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 22:21:38,021 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 22:21:38,121 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 22:21:38,122 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 22:21:38,324 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 22:21:38,408 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 22:21:38,408 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-04 22:21:38,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:21:38 BoogieIcfgContainer [2023-09-04 22:21:38,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 22:21:38,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 22:21:38,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 22:21:38,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 22:21:38,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:21:37" (1/3) ... [2023-09-04 22:21:38,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4006e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:21:38, skipping insertion in model container [2023-09-04 22:21:38,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:21:37" (2/3) ... [2023-09-04 22:21:38,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4006e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:21:38, skipping insertion in model container [2023-09-04 22:21:38,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:21:38" (3/3) ... [2023-09-04 22:21:38,419 INFO L112 eAbstractionObserver]: Analyzing ICFG mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2023-09-04 22:21:38,425 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 22:21:38,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 22:21:38,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-04 22:21:38,432 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 22:21:38,491 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-04 22:21:38,525 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:21:38,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 22:21:38,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:21:38,527 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) [2023-09-04 22:21:38,543 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 [2023-09-04 22:21:38,578 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 22:21:38,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 22:21:38,588 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=LoopsAndPotentialCycles, 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;@714f1a4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:21:38,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-09-04 22:21:38,611 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:21:38,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:21:38,616 INFO L85 PathProgramCache]: Analyzing trace with hash 770179019, now seen corresponding path program 1 times [2023-09-04 22:21:38,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:21:38,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701487787] [2023-09-04 22:21:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:21:38,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:21:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:21:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:21:38,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:21:38,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701487787] [2023-09-04 22:21:38,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701487787] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:21:38,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:21:38,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 22:21:38,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102596976] [2023-09-04 22:21:38,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:21:38,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 22:21:38,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:21:39,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 22:21:39,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 22:21:39,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:21:39,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:21:39,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2023-09-04 22:21:39,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:21:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:21:41,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 22:21:41,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:21:41,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:21:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1773518260, now seen corresponding path program 1 times [2023-09-04 22:21:41,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:21:41,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597925015] [2023-09-04 22:21:41,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:21:41,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:21:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:21:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:21:41,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:21:41,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597925015] [2023-09-04 22:21:41,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597925015] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:21:41,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:21:41,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:21:41,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092070222] [2023-09-04 22:21:41,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:21:41,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:21:41,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:21:41,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:21:41,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:21:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:21:41,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:21:41,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 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) [2023-09-04 22:21:41,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:21:41,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:21:52,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:21:52,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:21:52,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 22:21:52,677 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:21:52,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:21:52,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1844383094, now seen corresponding path program 1 times [2023-09-04 22:21:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:21:52,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84110444] [2023-09-04 22:21:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:21:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:21:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:21:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:21:53,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:21:53,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84110444] [2023-09-04 22:21:53,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84110444] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:21:53,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:21:53,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-04 22:21:53,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966643804] [2023-09-04 22:21:53,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:21:53,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-04 22:21:53,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:21:53,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-04 22:21:53,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-09-04 22:21:53,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:21:53,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:21:53,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 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) [2023-09-04 22:21:53,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:21:53,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:21:53,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:22:00,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:22:00,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:22:00,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:22:00,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 22:22:00,049 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:22:00,049 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:22:00,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1190187245, now seen corresponding path program 1 times [2023-09-04 22:22:00,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:22:00,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14774544] [2023-09-04 22:22:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:22:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:22:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:22:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:22:00,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:22:00,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14774544] [2023-09-04 22:22:00,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14774544] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:22:00,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:22:00,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-04 22:22:00,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137652317] [2023-09-04 22:22:00,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:22:00,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-04 22:22:00,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:22:00,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-04 22:22:00,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-09-04 22:22:00,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:22:00,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:22:00,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2023-09-04 22:22:00,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:22:00,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:22:00,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:22:00,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:22:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:22:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:22:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:22:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-04 22:22:08,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-04 22:22:08,514 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:22:08,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:22:08,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1866523063, now seen corresponding path program 1 times [2023-09-04 22:22:08,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:22:08,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792721124] [2023-09-04 22:22:08,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:22:08,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:22:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:22:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:22:08,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:22:08,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792721124] [2023-09-04 22:22:08,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792721124] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:22:08,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:22:08,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-04 22:22:08,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410337208] [2023-09-04 22:22:08,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:22:08,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-04 22:22:08,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:22:08,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-04 22:22:08,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-09-04 22:22:08,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:22:08,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:22:08,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2023-09-04 22:22:08,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:22:08,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:22:08,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:22:08,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-04 22:22:08,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2023-09-04 22:26:14,413 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 [2023-09-04 22:26:14,413 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 [2023-09-04 22:26:14,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-04 22:26:14,441 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-04 22:26:14,443 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-09-04 22:26:14,443 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-04 22:26:14,443 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2023-09-04 22:26:14,444 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-09-04 22:26:14,444 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-09-04 22:26:14,444 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-09-04 22:26:14,462 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-09-04 22:26:14,465 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 22:26:14,465 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 22:26:14,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:26:14 BasicIcfg [2023-09-04 22:26:14,467 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 22:26:14,468 INFO L158 Benchmark]: Toolchain (without parser) took 277009.21ms. Allocated memory was 264.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 210.8MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 704.2MB. Max. memory is 7.0GB. [2023-09-04 22:26:14,468 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 22:26:14,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.79ms. Allocated memory is still 264.2MB. Free memory was 210.3MB in the beginning and 187.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. [2023-09-04 22:26:14,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 264.2MB. Free memory was 187.2MB in the beginning and 184.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 22:26:14,469 INFO L158 Benchmark]: Boogie Preprocessor took 21.37ms. Allocated memory is still 264.2MB. Free memory was 184.6MB in the beginning and 183.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-04 22:26:14,469 INFO L158 Benchmark]: RCFGBuilder took 486.54ms. Allocated memory is still 264.2MB. Free memory was 183.0MB in the beginning and 145.8MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 7.0GB. [2023-09-04 22:26:14,469 INFO L158 Benchmark]: TraceAbstraction took 276053.48ms. Allocated memory was 264.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 145.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 639.2MB. Max. memory is 7.0GB. [2023-09-04 22:26:14,470 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 397.79ms. Allocated memory is still 264.2MB. Free memory was 210.3MB in the beginning and 187.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 264.2MB. Free memory was 187.2MB in the beginning and 184.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 21.37ms. Allocated memory is still 264.2MB. Free memory was 184.6MB in the beginning and 183.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 486.54ms. Allocated memory is still 264.2MB. Free memory was 183.0MB in the beginning and 145.8MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 7.0GB. * TraceAbstraction took 276053.48ms. Allocated memory was 264.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 145.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 639.2MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22246, independent: 21951, independent conditional: 21951, independent unconditional: 0, dependent: 294, dependent conditional: 294, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22183, independent: 21951, independent conditional: 21951, independent unconditional: 0, dependent: 231, dependent conditional: 231, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22183, independent: 21951, independent conditional: 21951, independent unconditional: 0, dependent: 231, dependent conditional: 231, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23337, independent: 21951, independent conditional: 0, independent unconditional: 21951, dependent: 1383, dependent conditional: 1152, dependent unconditional: 231, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23337, independent: 21951, independent conditional: 0, independent unconditional: 21951, dependent: 1383, dependent conditional: 0, dependent unconditional: 1383, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23337, independent: 21951, independent conditional: 0, independent unconditional: 21951, dependent: 1383, dependent conditional: 0, dependent unconditional: 1383, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22183, independent: 21951, independent conditional: 0, independent unconditional: 21951, dependent: 231, dependent conditional: 0, dependent unconditional: 231, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22183, independent: 21786, independent conditional: 0, independent unconditional: 21786, dependent: 397, dependent conditional: 0, dependent unconditional: 397, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 397, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 231, dependent conditional: 0, dependent unconditional: 231, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 397, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 231, dependent conditional: 0, dependent unconditional: 231, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 397, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 231, dependent conditional: 0, dependent unconditional: 231, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5411, independent: 3423, independent conditional: 0, independent unconditional: 3423, dependent: 959, dependent conditional: 0, dependent unconditional: 959, unknown: 1029, unknown conditional: 0, unknown unconditional: 1029] , Protected Queries: 0 ], Cache Queries: [ total: 23337, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1152, dependent conditional: 0, dependent unconditional: 1152, unknown: 22185, unknown conditional: 0, unknown unconditional: 22185] , Statistics on independence cache: Total cache size (in pairs): 22182, Positive cache size: 21951, Positive conditional cache size: 0, Positive unconditional cache size: 21951, Negative cache size: 231, Negative conditional cache size: 0, Negative unconditional cache size: 231, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 1154, Maximal queried relation: 5, Independence queries for same thread: 63 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 4 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 834]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 838]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 836]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 135 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 275.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 274.0s, 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: 51, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 357 ConstructedInterpolants, 0 QuantifiedInterpolants, 1597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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