/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/twostage_3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 21:35:05,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 21:35:05,066 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 21:35:05,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 21:35:05,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 21:35:05,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 21:35:05,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 21:35:05,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 21:35:05,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 21:35:05,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 21:35:05,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 21:35:05,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 21:35:05,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 21:35:05,105 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 21:35:05,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 21:35:05,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 21:35:05,105 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 21:35:05,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 21:35:05,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 21:35:05,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 21:35:05,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 21:35:05,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 21:35:05,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 21:35:05,106 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 21:35:05,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 21:35:05,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 21:35:05,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 21:35:05,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 21:35:05,108 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 21:35:05,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 21:35:05,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 21:35:05,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 21:35:05,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 21:35:05,109 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 21:35:05,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 21:35:05,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 21:35:05,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 21:35:05,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 21:35:05,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 21:35:05,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 21:35:05,110 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 21:35:05,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 21:35:05,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 21:35:05,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 21:35:05,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 21:35:05,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 21:35:05,339 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 21:35:05,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/twostage_3.i [2023-09-04 21:35:06,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 21:35:06,620 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 21:35:06,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/twostage_3.i [2023-09-04 21:35:06,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d794ad71a/d55471b2c3a741e5aa3bc60421fb0e64/FLAG7139d89e8 [2023-09-04 21:35:06,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d794ad71a/d55471b2c3a741e5aa3bc60421fb0e64 [2023-09-04 21:35:06,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 21:35:06,649 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 21:35:06,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 21:35:06,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 21:35:06,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 21:35:06,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:35:06" (1/1) ... [2023-09-04 21:35:06,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e336302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:06, skipping insertion in model container [2023-09-04 21:35:06,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:35:06" (1/1) ... [2023-09-04 21:35:06,695 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 21:35:07,027 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/twostage_3.i[58991,59004] [2023-09-04 21:35:07,053 WARN L1561 CHandler]: Possible shadowing of function lock [2023-09-04 21:35:07,053 WARN L1561 CHandler]: Possible shadowing of function lock [2023-09-04 21:35:07,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 21:35:07,062 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 21:35:07,070 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [133] [2023-09-04 21:35:07,078 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [510] [2023-09-04 21:35:07,078 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [510] [2023-09-04 21:35:07,095 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/twostage_3.i[58991,59004] [2023-09-04 21:35:07,121 WARN L1561 CHandler]: Possible shadowing of function lock [2023-09-04 21:35:07,122 WARN L1561 CHandler]: Possible shadowing of function lock [2023-09-04 21:35:07,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 21:35:07,174 WARN L669 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 21:35:07,179 INFO L206 MainTranslator]: Completed translation [2023-09-04 21:35:07,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07 WrapperNode [2023-09-04 21:35:07,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 21:35:07,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 21:35:07,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 21:35:07,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 21:35:07,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,238 INFO L138 Inliner]: procedures = 374, calls = 61, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 192 [2023-09-04 21:35:07,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 21:35:07,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 21:35:07,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 21:35:07,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 21:35:07,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 21:35:07,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 21:35:07,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 21:35:07,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 21:35:07,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (1/1) ... [2023-09-04 21:35:07,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 21:35:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 21:35:07,309 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 21:35:07,310 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 21:35:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2023-09-04 21:35:07,331 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2023-09-04 21:35:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2023-09-04 21:35:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 21:35:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 21:35:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 21:35:07,333 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 21:35:07,431 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 21:35:07,433 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 21:35:07,743 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 21:35:07,749 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 21:35:07,750 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-04 21:35:07,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:35:07 BoogieIcfgContainer [2023-09-04 21:35:07,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 21:35:07,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 21:35:07,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 21:35:07,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 21:35:07,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:35:06" (1/3) ... [2023-09-04 21:35:07,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e15dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:35:07, skipping insertion in model container [2023-09-04 21:35:07,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:35:07" (2/3) ... [2023-09-04 21:35:07,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e15dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:35:07, skipping insertion in model container [2023-09-04 21:35:07,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:35:07" (3/3) ... [2023-09-04 21:35:07,757 INFO L112 eAbstractionObserver]: Analyzing ICFG twostage_3.i [2023-09-04 21:35:07,762 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 21:35:07,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 21:35:07,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-04 21:35:07,769 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 21:35:07,822 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-09-04 21:35:07,856 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 21:35:07,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 21:35:07,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 21:35:07,859 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 21:35:07,878 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 21:35:07,900 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 21:35:07,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 21:35:07,910 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;@2139a7c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 21:35:07,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. Found a loop, use abstraction hammer [2023-09-04 21:35:07,952 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-04 21:35:07,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:07,956 INFO L85 PathProgramCache]: Analyzing trace with hash -564647335, now seen corresponding path program 1 times [2023-09-04 21:35:07,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:07,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463310100] [2023-09-04 21:35:07,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-04 21:35:08,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:08,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463310100] [2023-09-04 21:35:08,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463310100] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:08,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:08,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 21:35:08,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611892933] [2023-09-04 21:35:08,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:08,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-04 21:35:08,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:08,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-04 21:35:08,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-04 21:35:08,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:08,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:08,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 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 21:35:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-04 21:35:08,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:08,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 21:35:08,282 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-04 21:35:08,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:08,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1860218588, now seen corresponding path program 1 times [2023-09-04 21:35:08,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:08,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805724430] [2023-09-04 21:35:08,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:08,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:08,396 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 21:35:08,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:08,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805724430] [2023-09-04 21:35:08,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805724430] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:08,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:08,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-04 21:35:08,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263268403] [2023-09-04 21:35:08,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:08,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 21:35:08,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:08,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 21:35:08,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 21:35:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:08,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:08,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 21:35:08,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:08,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-04 21:35:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:08,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:08,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 21:35:08,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-04 21:35:08,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:08,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1180630784, now seen corresponding path program 1 times [2023-09-04 21:35:08,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:08,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957217490] [2023-09-04 21:35:08,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:08,578 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 21:35:08,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:08,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957217490] [2023-09-04 21:35:08,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957217490] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:08,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:08,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-04 21:35:08,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311595939] [2023-09-04 21:35:08,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:08,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 21:35:08,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:08,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 21:35:08,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 21:35:08,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:08,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:08,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 21:35:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:08,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-04 21:35:08,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:08,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:08,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:08,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 21:35:08,687 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-04 21:35:08,688 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:08,688 INFO L85 PathProgramCache]: Analyzing trace with hash 2086048928, now seen corresponding path program 1 times [2023-09-04 21:35:08,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:08,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115230653] [2023-09-04 21:35:08,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:08,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 21:35:08,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-04 21:35:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 21:35:08,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-04 21:35:08,882 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-04 21:35:08,883 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2023-09-04 21:35:08,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-09-04 21:35:08,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-09-04 21:35:08,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-09-04 21:35:08,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-04 21:35:08,892 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-04 21:35:08,894 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-04 21:35:08,894 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-09-04 21:35:08,939 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2023-09-04 21:35:08,954 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 21:35:08,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 21:35:08,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 21:35:09,054 INFO L229 MonitoredProcess]: Starting monitored process 3 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 21:35:09,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-09-04 21:35:09,059 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 21:35:09,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 21:35:09,059 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;@2139a7c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 21:35:09,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. Found a loop, use abstraction hammer [2023-09-04 21:35:09,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 21:35:09,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:09,068 INFO L85 PathProgramCache]: Analyzing trace with hash -330145630, now seen corresponding path program 1 times [2023-09-04 21:35:09,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:09,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389270148] [2023-09-04 21:35:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:09,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-04 21:35:09,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:09,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389270148] [2023-09-04 21:35:09,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389270148] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:09,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:09,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 21:35:09,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710196063] [2023-09-04 21:35:09,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:09,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-04 21:35:09,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:09,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-04 21:35:09,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-04 21:35:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:09,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:09,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 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 21:35:09,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-04 21:35:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:09,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-04 21:35:09,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 21:35:09,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:09,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1827027099, now seen corresponding path program 1 times [2023-09-04 21:35:09,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:09,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650874726] [2023-09-04 21:35:09,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:09,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:09,207 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 21:35:09,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:09,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650874726] [2023-09-04 21:35:09,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650874726] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:09,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:09,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-04 21:35:09,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821914347] [2023-09-04 21:35:09,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:09,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 21:35:09,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:09,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 21:35:09,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 21:35:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:09,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:09,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 21:35:09,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:09,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-04 21:35:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:09,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-04 21:35:09,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 21:35:09,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:09,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1755412545, now seen corresponding path program 1 times [2023-09-04 21:35:09,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:09,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772555015] [2023-09-04 21:35:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:09,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:09,331 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 21:35:09,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:09,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772555015] [2023-09-04 21:35:09,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772555015] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:09,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:09,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-04 21:35:09,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163274082] [2023-09-04 21:35:09,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:09,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 21:35:09,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:09,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 21:35:09,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 21:35:09,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:09,335 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:09,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 21:35:09,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:09,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:09,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-04 21:35:39,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:39,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:39,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:39,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-09-04 21:35:39,041 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 21:35:39,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash 256814397, now seen corresponding path program 1 times [2023-09-04 21:35:39,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:39,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28369539] [2023-09-04 21:35:39,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:39,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 21:35:39,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-04 21:35:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 21:35:39,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-04 21:35:39,138 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-04 21:35:39,138 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2023-09-04 21:35:39,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-09-04 21:35:39,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2023-09-04 21:35:39,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-09-04 21:35:39,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-09-04 21:35:39,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-04 21:35:39,144 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-04 21:35:39,144 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-04 21:35:39,145 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-09-04 21:35:39,165 INFO L144 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2023-09-04 21:35:39,167 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 21:35:39,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 21:35:39,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 21:35:39,169 INFO L229 MonitoredProcess]: Starting monitored process 4 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 21:35:39,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-09-04 21:35:39,178 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 21:35:39,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 21:35:39,178 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;@2139a7c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 21:35:39,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. Found a loop, use abstraction hammer [2023-09-04 21:35:39,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-04 21:35:39,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:39,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1792720903, now seen corresponding path program 1 times [2023-09-04 21:35:39,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:39,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478626980] [2023-09-04 21:35:39,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:39,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:39,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-04 21:35:39,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:39,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478626980] [2023-09-04 21:35:39,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478626980] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:39,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:39,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 21:35:39,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095333689] [2023-09-04 21:35:39,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:39,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-04 21:35:39,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:39,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-04 21:35:39,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-04 21:35:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:39,239 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:39,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 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 21:35:39,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-04 21:35:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:39,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-09-04 21:35:39,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-04 21:35:39,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash 318162230, now seen corresponding path program 1 times [2023-09-04 21:35:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:39,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291829312] [2023-09-04 21:35:39,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:39,303 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 21:35:39,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:39,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291829312] [2023-09-04 21:35:39,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291829312] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:39,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:39,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-04 21:35:39,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254140932] [2023-09-04 21:35:39,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:39,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 21:35:39,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:39,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 21:35:39,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 21:35:39,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:39,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:39,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 21:35:39,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:39,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer [2023-09-04 21:35:39,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:39,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:39,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-09-04 21:35:39,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-04 21:35:39,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 21:35:39,317 INFO L85 PathProgramCache]: Analyzing trace with hash 919369426, now seen corresponding path program 1 times [2023-09-04 21:35:39,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 21:35:39,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898512335] [2023-09-04 21:35:39,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 21:35:39,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 21:35:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 21:35:39,374 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 21:35:39,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 21:35:39,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898512335] [2023-09-04 21:35:39,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898512335] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 21:35:39,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 21:35:39,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-04 21:35:39,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824404161] [2023-09-04 21:35:39,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 21:35:39,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 21:35:39,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 21:35:39,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 21:35:39,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 21:35:39,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:39,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 21:35:39,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 21:35:39,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 21:35:39,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 21:35:39,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Received shutdown request... [2023-09-04 21:39:51,495 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 21:39:51,495 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 21:39:51,495 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 21:39:51,495 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 21:39:51,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-09-04 21:39:51,794 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-04 21:39:51,794 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2023-09-04 21:39:51,794 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-09-04 21:39:51,794 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2023-09-04 21:39:51,794 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-09-04 21:39:51,794 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2023-09-04 21:39:51,794 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-09-04 21:39:51,805 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-09-04 21:39:51,808 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2023-09-04 21:39:51,808 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 21:39:51,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:39:51 BasicIcfg [2023-09-04 21:39:51,810 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 21:39:51,811 INFO L158 Benchmark]: Toolchain (without parser) took 285161.81ms. Allocated memory was 194.0MB in the beginning and 349.2MB in the end (delta: 155.2MB). Free memory was 143.6MB in the beginning and 185.4MB in the end (delta: -41.8MB). Peak memory consumption was 283.1MB. Max. memory is 7.0GB. [2023-09-04 21:39:51,811 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 21:39:51,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.42ms. Allocated memory is still 194.0MB. Free memory was 143.6MB in the beginning and 102.4MB in the end (delta: 41.2MB). Peak memory consumption was 40.9MB. Max. memory is 7.0GB. [2023-09-04 21:39:51,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.03ms. Allocated memory is still 194.0MB. Free memory was 102.4MB in the beginning and 99.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 21:39:51,811 INFO L158 Benchmark]: Boogie Preprocessor took 34.39ms. Allocated memory is still 194.0MB. Free memory was 99.6MB in the beginning and 97.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-04 21:39:51,812 INFO L158 Benchmark]: RCFGBuilder took 477.09ms. Allocated memory was 194.0MB in the beginning and 271.6MB in the end (delta: 77.6MB). Free memory was 97.5MB in the beginning and 226.1MB in the end (delta: -128.6MB). Peak memory consumption was 8.6MB. Max. memory is 7.0GB. [2023-09-04 21:39:51,812 INFO L158 Benchmark]: TraceAbstraction took 284057.84ms. Allocated memory was 271.6MB in the beginning and 349.2MB in the end (delta: 77.6MB). Free memory was 225.0MB in the beginning and 185.4MB in the end (delta: 39.7MB). Peak memory consumption was 286.1MB. Max. memory is 7.0GB. [2023-09-04 21:39:51,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 531.42ms. Allocated memory is still 194.0MB. Free memory was 143.6MB in the beginning and 102.4MB in the end (delta: 41.2MB). Peak memory consumption was 40.9MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 57.03ms. Allocated memory is still 194.0MB. Free memory was 102.4MB in the beginning and 99.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 34.39ms. Allocated memory is still 194.0MB. Free memory was 99.6MB in the beginning and 97.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 477.09ms. Allocated memory was 194.0MB in the beginning and 271.6MB in the end (delta: 77.6MB). Free memory was 97.5MB in the beginning and 226.1MB in the end (delta: -128.6MB). Peak memory consumption was 8.6MB. Max. memory is 7.0GB. * TraceAbstraction took 284057.84ms. Allocated memory was 271.6MB in the beginning and 349.2MB in the end (delta: 77.6MB). Free memory was 225.0MB in the beginning and 185.4MB in the end (delta: 39.7MB). Peak memory consumption was 286.1MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 133]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [133] - GenericResultAtLocation [Line: 510]: Unsoundness Warning unspecified type, defaulting to int C: short [510] - GenericResultAtLocation [Line: 510]: Unsoundness Warning unspecified type, defaulting to int C: short [510] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 242, independent: 216, independent conditional: 216, independent unconditional: 0, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, independent: 216, independent conditional: 216, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 216, independent: 216, independent conditional: 216, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 216, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 216, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 216, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 216, Positive conditional cache size: 0, Positive unconditional cache size: 216, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 26 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 2 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6782, independent: 6611, independent conditional: 6611, independent unconditional: 0, dependent: 171, dependent conditional: 171, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6669, independent: 6611, independent conditional: 6611, independent unconditional: 0, dependent: 58, dependent conditional: 58, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6669, independent: 6611, independent conditional: 6611, independent unconditional: 0, dependent: 58, dependent conditional: 58, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6843, independent: 6611, independent conditional: 0, independent unconditional: 6611, dependent: 232, dependent conditional: 174, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6843, independent: 6611, independent conditional: 0, independent unconditional: 6611, dependent: 232, dependent conditional: 0, dependent unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6843, independent: 6611, independent conditional: 0, independent unconditional: 6611, dependent: 232, dependent conditional: 0, dependent unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6669, independent: 6611, independent conditional: 0, independent unconditional: 6611, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6669, independent: 6576, independent conditional: 0, independent unconditional: 6576, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 93, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 114, dependent conditional: 0, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6843, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 6669, unknown conditional: 0, unknown unconditional: 6669] , Statistics on independence cache: Total cache size (in pairs): 6669, Positive cache size: 6611, Positive conditional cache size: 0, Positive unconditional cache size: 6611, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 174, Maximal queried relation: 3, Independence queries for same thread: 113 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 2 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19821, independent: 19545, independent conditional: 19545, independent unconditional: 0, dependent: 276, dependent conditional: 276, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19708, independent: 19545, independent conditional: 19545, independent unconditional: 0, dependent: 163, dependent conditional: 163, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19708, independent: 19545, independent conditional: 19545, independent unconditional: 0, dependent: 163, dependent conditional: 163, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20197, independent: 19545, independent conditional: 0, independent unconditional: 19545, dependent: 652, dependent conditional: 489, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20197, independent: 19545, independent conditional: 0, independent unconditional: 19545, dependent: 652, dependent conditional: 0, dependent unconditional: 652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20197, independent: 19545, independent conditional: 0, independent unconditional: 19545, dependent: 652, dependent conditional: 0, dependent unconditional: 652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19708, independent: 19545, independent conditional: 0, independent unconditional: 19545, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19708, independent: 19395, independent conditional: 0, independent unconditional: 19395, dependent: 313, dependent conditional: 0, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 313, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 313, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 410, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 261, dependent conditional: 0, dependent unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20197, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 489, dependent conditional: 0, dependent unconditional: 489, unknown: 19708, unknown conditional: 0, unknown unconditional: 19708] , Statistics on independence cache: Total cache size (in pairs): 19708, Positive cache size: 19545, Positive conditional cache size: 0, Positive unconditional cache size: 19545, Negative cache size: 163, Negative conditional cache size: 0, Negative unconditional cache size: 163, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 489, Maximal queried relation: 3, Independence queries for same thread: 113 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 2 - TimeoutResultAtElement [Line: 1300]: 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: 1306]: 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: 1268]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 253 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 8, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 289 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 30.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 29.8s, 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: 8, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 9 procedures, 325 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 252.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 252.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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