/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 17:09:54,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 17:09:54,417 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 17:09:54,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 17:09:54,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 17:09:54,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 17:09:54,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 17:09:54,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 17:09:54,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 17:09:54,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 17:09:54,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 17:09:54,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 17:09:54,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 17:09:54,463 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 17:09:54,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 17:09:54,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 17:09:54,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 17:09:54,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 17:09:54,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 17:09:54,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 17:09:54,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 17:09:54,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 17:09:54,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 17:09:54,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 17:09:54,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 17:09:54,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 17:09:54,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 17:09:54,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 17:09:54,466 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 17:09:54,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 17:09:54,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:09:54,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 17:09:54,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 17:09:54,468 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 17:09:54,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 17:09:54,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 17:09:54,469 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 17:09:54,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 17:09:54,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 17:09:54,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 17:09:54,469 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 17:09:54,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 17:09:54,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 17:09:54,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 17:09:54,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 17:09:54,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 17:09:54,723 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 17:09:54,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2024-05-30 17:09:55,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 17:09:56,216 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 17:09:56,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2024-05-30 17:09:56,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/afccafb95/77dafeaece334c5698150480260ca3bd/FLAGc51c0586e [2024-05-30 17:09:56,258 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/afccafb95/77dafeaece334c5698150480260ca3bd [2024-05-30 17:09:56,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 17:09:56,261 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 17:09:56,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 17:09:56,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 17:09:56,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 17:09:56,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287e7915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56, skipping insertion in model container [2024-05-30 17:09:56,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 17:09:56,615 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2024-05-30 17:09:56,630 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2024-05-30 17:09:56,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:09:56,662 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 17:09:56,741 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2024-05-30 17:09:56,744 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2024-05-30 17:09:56,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:09:56,782 INFO L206 MainTranslator]: Completed translation [2024-05-30 17:09:56,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56 WrapperNode [2024-05-30 17:09:56,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 17:09:56,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 17:09:56,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 17:09:56,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 17:09:56,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,830 INFO L138 Inliner]: procedures = 169, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 141 [2024-05-30 17:09:56,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 17:09:56,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 17:09:56,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 17:09:56,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 17:09:56,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 17:09:56,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 17:09:56,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 17:09:56,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 17:09:56,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (1/1) ... [2024-05-30 17:09:56,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:09:56,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:09:56,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 17:09:56,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 17:09:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 17:09:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-30 17:09:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-30 17:09:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-30 17:09:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-30 17:09:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 17:09:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-30 17:09:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 17:09:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 17:09:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 17:09:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-05-30 17:09:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 17:09:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-30 17:09:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 17:09:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 17:09:56,946 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 17:09:57,058 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 17:09:57,060 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 17:09:57,336 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 17:09:57,359 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 17:09:57,359 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-30 17:09:57,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:09:57 BoogieIcfgContainer [2024-05-30 17:09:57,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 17:09:57,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 17:09:57,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 17:09:57,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 17:09:57,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 05:09:56" (1/3) ... [2024-05-30 17:09:57,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ced01f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:09:57, skipping insertion in model container [2024-05-30 17:09:57,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:09:56" (2/3) ... [2024-05-30 17:09:57,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ced01f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:09:57, skipping insertion in model container [2024-05-30 17:09:57,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:09:57" (3/3) ... [2024-05-30 17:09:57,369 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2024-05-30 17:09:57,377 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 17:09:57,385 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 17:09:57,386 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-30 17:09:57,386 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 17:09:57,453 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 17:09:57,493 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:57,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:09:57,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:09:57,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:09:57,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 17:09:57,534 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:09:57,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 17:09:57,553 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;@571a4a05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:57,553 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:09:57,559 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:09:57,648 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:57,648 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:57,648 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:57,925 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:57,926 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:57,926 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,022 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,022 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,022 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,132 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,133 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,133 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,177 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,177 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,177 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,233 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,233 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,233 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,235 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 253 states. [2024-05-30 17:09:58,235 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:09:58,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 17:09:58,245 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 17:09:58,248 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/6) [2024-05-30 17:09:58,263 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:58,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:09:58,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:09:58,270 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:09:58,277 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:09:58,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-30 17:09:58,278 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;@571a4a05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:58,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:09:58,278 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:09:58,282 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 43 states. [2024-05-30 17:09:58,282 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:09:58,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-30 17:09:58,284 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 17:09:58,284 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/6) [2024-05-30 17:09:58,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-30 17:09:58,298 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:58,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:09:58,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:09:58,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:09:58,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-05-30 17:09:58,307 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:09:58,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:09:58,310 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;@571a4a05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:58,310 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:09:58,311 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 17:09:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:09:58,312 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 17:09:58,312 INFO L308 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/6) [2024-05-30 17:09:58,315 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:58,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:09:58,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:09:58,324 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:09:58,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-05-30 17:09:58,334 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:09:58,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:09:58,335 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;@571a4a05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:58,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:09:58,335 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 17:09:58,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:09:58,336 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 17:09:58,337 INFO L308 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (4/6) [2024-05-30 17:09:58,339 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:58,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:09:58,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:09:58,347 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:09:58,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-05-30 17:09:58,350 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:09:58,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:09:58,351 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;@571a4a05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:09:58,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:09:58,351 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:09:58,427 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,428 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,428 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,472 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,472 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,472 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,501 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,502 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,502 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,527 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,527 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,528 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,552 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,553 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,553 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,586 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,586 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,586 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,611 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,612 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,612 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,638 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,638 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,638 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,663 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,664 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,664 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,696 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,696 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,697 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,728 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,729 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,729 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,801 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,804 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,804 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,818 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,824 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,824 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,848 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,849 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,849 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,866 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,867 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,867 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,884 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,885 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,885 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,915 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,915 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,915 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,949 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,949 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,949 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:58,978 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:58,979 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:58,979 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,010 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,011 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,011 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,054 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,054 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,055 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,058 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,058 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,058 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,068 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,068 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,068 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,071 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,071 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,071 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,086 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,086 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,086 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,089 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,089 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,089 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,100 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,101 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,101 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,103 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,103 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,104 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,115 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,115 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,115 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,117 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,118 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,118 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,131 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,133 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,133 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,137 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,137 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,137 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,151 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,151 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,151 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,155 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,155 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,155 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:09:59,155 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1135 states. [2024-05-30 17:09:59,156 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-30 17:09:59,213 INFO L78 Accepts]: Start accepts. Automaton has currently 1296 states, but on-demand construction may add more states Word has length 101 [2024-05-30 17:09:59,215 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:09:59,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:09:59,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:09:59,226 INFO L85 PathProgramCache]: Analyzing trace with hash -412063262, now seen corresponding path program 1 times [2024-05-30 17:09:59,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:09:59,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404796605] [2024-05-30 17:09:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:09:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:09:59,463 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-30 17:09:59,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118550573] [2024-05-30 17:09:59,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:09:59,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:09:59,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:09:59,472 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:09:59,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 17:09:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:09:59,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 3 conjunts are in the unsatisfiable core [2024-05-30 17:09:59,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:09:59,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-05-30 17:09:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:09:59,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:09:59,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:09:59,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404796605] [2024-05-30 17:09:59,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-30 17:09:59,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118550573] [2024-05-30 17:09:59,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118550573] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:09:59,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:09:59,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 17:09:59,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873326437] [2024-05-30 17:09:59,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:09:59,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 17:09:59,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:09:59,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 17:09:59,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 17:09:59,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:09:59,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:09:59,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:09:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:09:59,786 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:09:59,856 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,857 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:59,857 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,871 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,871 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,871 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,895 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,895 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,896 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,919 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,919 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,919 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,938 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,939 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,939 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,961 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,961 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,964 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,991 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:59,991 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:09:59,993 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,015 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,015 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,016 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,041 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,041 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,041 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,064 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,064 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,065 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,092 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,093 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,093 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,120 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,120 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,120 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,142 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,143 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,143 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,160 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,160 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,160 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,199 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,199 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,199 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,227 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,227 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,227 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,244 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:00,244 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,244 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:00,426 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1140 states. [2024-05-30 17:10:00,426 INFO L212 cStratifiedReduction]: Copied states 31 times. [2024-05-30 17:10:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:00,426 INFO L78 Accepts]: Start accepts. Automaton has currently 1254 states, but on-demand construction may add more states Word has length 60 [2024-05-30 17:10:00,427 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:10:00,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 17:10:00,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-05-30 17:10:00,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:10:00,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:10:00,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1157324197, now seen corresponding path program 1 times [2024-05-30 17:10:00,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:10:00,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553228200] [2024-05-30 17:10:00,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:00,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:10:00,730 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-30 17:10:00,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711721966] [2024-05-30 17:10:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:00,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:10:00,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:10:00,731 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:10:00,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 17:10:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:10:00,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-30 17:10:00,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:10:00,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:10:00,954 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:10:00,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:10:00,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553228200] [2024-05-30 17:10:00,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-30 17:10:00,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711721966] [2024-05-30 17:10:00,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711721966] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:10:00,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:10:00,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-30 17:10:00,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845018008] [2024-05-30 17:10:00,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:10:00,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-30 17:10:00,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:10:00,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-30 17:10:00,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-05-30 17:10:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:00,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:10:00,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:10:00,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:00,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:00,959 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:10:01,714 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,715 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,715 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,723 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,723 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,723 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,735 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,735 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,735 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,747 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,747 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,747 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,757 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,757 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,757 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,905 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,905 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,905 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,919 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,920 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,920 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,929 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,929 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,929 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,943 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,943 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,943 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,957 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,958 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,958 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,967 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:01,967 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:01,967 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,018 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,018 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,018 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,097 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,097 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,097 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,116 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,116 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,116 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,140 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,140 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,141 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,164 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,165 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,165 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,185 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,185 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,185 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,428 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,428 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,429 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,500 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,500 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,500 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,515 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,515 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,515 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,534 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,534 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,534 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,553 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,553 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,553 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,567 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,568 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,568 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,740 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,740 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,740 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,817 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,817 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,817 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,831 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,831 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,831 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,849 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,849 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,849 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,866 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,866 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,866 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,881 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:02,881 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:02,881 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,133 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:03,133 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,133 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,212 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:03,213 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,213 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,557 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:03,557 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,557 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,633 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:03,633 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:03,633 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,635 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:03,635 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,635 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,670 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:03,671 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:03,671 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,671 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:03,672 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,672 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:03,986 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:03,986 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:03,986 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,040 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,041 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,041 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,063 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,064 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,064 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,077 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,077 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,077 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,091 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,091 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,091 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,106 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,106 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,106 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,125 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,125 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,126 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,141 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,142 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,142 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,159 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,159 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,159 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,174 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,174 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,174 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,194 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,194 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,195 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,210 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,211 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,211 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,226 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,226 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,227 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,237 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,237 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,237 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,253 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,254 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,254 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,266 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,267 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,267 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,279 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,280 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,280 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,572 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,572 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,572 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,580 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,581 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,581 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,592 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,592 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,593 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,605 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,605 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,605 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,615 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,615 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,615 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,662 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,662 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,662 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,668 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,669 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,669 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,747 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,748 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,748 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,765 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,765 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,765 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,785 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,785 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,785 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,804 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,804 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,805 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,821 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,821 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,822 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,982 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,982 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,983 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,989 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:04,990 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:04,990 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,059 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,059 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,059 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,071 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,072 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,072 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,086 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,087 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,087 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,101 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,102 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,102 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,115 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,116 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,116 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,161 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,161 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,162 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,170 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,170 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,170 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,237 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,237 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,238 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,250 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,251 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,251 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,267 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,267 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,267 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,281 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,281 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,282 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,294 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,295 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,295 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,337 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,337 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,337 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,343 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,344 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,344 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,351 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,351 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:05,351 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,487 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,487 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,487 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,502 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,503 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,503 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,522 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,523 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,523 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,539 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,540 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,540 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,558 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,558 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,558 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,572 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,572 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,572 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,593 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,593 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,593 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,608 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,609 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,609 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,625 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,625 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,625 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,649 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,649 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,649 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,674 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,674 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,674 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,697 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,698 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,698 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,721 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:05,721 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,721 INFO L395 cStratifiedReduction]: Actual level: [~buffer_size~0, ~next~0, #pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:05,725 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6582 states. [2024-05-30 17:10:05,725 INFO L212 cStratifiedReduction]: Copied states 1988 times. [2024-05-30 17:10:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 17:10:05,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:10:05,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 17:10:05,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-30 17:10:05,954 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-05-30 17:10:05,955 INFO L308 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (5/6) [2024-05-30 17:10:05,960 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:10:05,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:10:05,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:10:05,961 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:10:05,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2024-05-30 17:10:05,967 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:10:05,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:10:05,967 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;@571a4a05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:10:05,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:10:05,968 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:10:06,107 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,107 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,107 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,137 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,137 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,137 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,160 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,160 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,160 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,183 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,184 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,184 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,201 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,201 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,201 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,229 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,229 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,229 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,253 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,253 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,253 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,280 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,280 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,280 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,296 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,296 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,296 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,323 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,324 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,324 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,348 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,348 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,348 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,375 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,375 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,375 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,391 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,391 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,391 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,417 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,417 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,417 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,444 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,444 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,444 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,472 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,472 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,472 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,493 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,493 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,493 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,525 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,525 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,525 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,554 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,554 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,554 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,586 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,587 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,587 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,620 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,620 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,621 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,623 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,623 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,623 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,637 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,637 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,637 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,639 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:06,639 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:06,639 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:10:06,640 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 974 states. [2024-05-30 17:10:06,640 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-30 17:10:06,640 INFO L78 Accepts]: Start accepts. Automaton has currently 1134 states, but on-demand construction may add more states Word has length 107 [2024-05-30 17:10:06,643 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:10:06,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:10:06,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:10:06,644 INFO L85 PathProgramCache]: Analyzing trace with hash 964367446, now seen corresponding path program 1 times [2024-05-30 17:10:06,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:10:06,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804203956] [2024-05-30 17:10:06,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:06,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:10:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:10:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:10:07,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:10:07,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804203956] [2024-05-30 17:10:07,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804203956] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:10:07,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:10:07,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 17:10:07,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154596616] [2024-05-30 17:10:07,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:10:07,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 17:10:07,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:10:07,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 17:10:07,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 17:10:07,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:07,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:10:07,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:10:07,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:07,010 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:10:07,047 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,047 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:07,047 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,060 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,060 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,061 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,086 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,086 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,086 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,107 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,107 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,107 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,246 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,246 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,246 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,266 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,266 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,267 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,298 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,298 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,298 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,327 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,328 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,328 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,355 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,355 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,355 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,373 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,374 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,374 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,405 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,405 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,405 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,435 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,435 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,435 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,463 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,463 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,463 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,478 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,478 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,478 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,504 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,504 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,505 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,530 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,530 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,530 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,555 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,555 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,555 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base] [2024-05-30 17:10:07,611 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 919 states. [2024-05-30 17:10:07,612 INFO L212 cStratifiedReduction]: Copied states 33 times. [2024-05-30 17:10:07,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:07,612 INFO L78 Accepts]: Start accepts. Automaton has currently 1023 states, but on-demand construction may add more states Word has length 72 [2024-05-30 17:10:07,613 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:10:07,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 17:10:07,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:10:07,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:10:07,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1913276988, now seen corresponding path program 1 times [2024-05-30 17:10:07,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:10:07,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048447492] [2024-05-30 17:10:07,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:10:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:10:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:10:07,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:10:07,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048447492] [2024-05-30 17:10:07,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048447492] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:10:07,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:10:07,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 17:10:07,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98965819] [2024-05-30 17:10:07,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:10:07,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 17:10:07,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:10:07,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 17:10:07,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 17:10:07,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:07,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:10:07,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:10:07,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:07,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:07,734 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:10:07,775 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,776 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:07,776 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,790 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,790 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,790 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,797 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,797 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:07,797 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,810 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,810 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,811 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,861 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,862 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,862 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,870 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,870 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,870 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,913 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,913 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,913 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,918 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,918 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,918 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,962 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,962 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,962 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,967 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,967 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,967 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:07,998 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:07,998 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:07,998 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,003 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,003 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,003 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,056 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,057 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,057 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,064 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,064 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,064 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,118 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,119 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,119 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,126 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,126 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,126 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,175 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,175 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,175 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,181 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,181 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,182 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,210 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,211 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,211 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,215 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,216 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,216 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,266 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,266 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,266 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,273 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,273 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,274 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,406 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,406 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,406 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,410 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,411 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,411 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,456 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,456 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,456 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,461 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,461 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,461 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,479 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,479 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,480 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,482 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,482 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,482 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,520 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,520 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,520 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,524 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,524 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,524 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,558 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,558 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,558 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,562 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,562 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,562 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,597 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,597 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,597 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,600 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,601 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:08,601 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:08,688 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,689 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,689 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,691 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,692 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,692 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,711 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,711 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,711 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,714 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,714 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,714 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,736 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,737 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,737 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,740 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,740 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,740 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,761 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,761 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,761 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,765 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,765 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,765 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,783 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,783 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,783 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,786 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,786 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,786 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,789 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:08,789 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,790 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:08,795 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1857 states. [2024-05-30 17:10:08,796 INFO L212 cStratifiedReduction]: Copied states 359 times. [2024-05-30 17:10:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:08,796 INFO L78 Accepts]: Start accepts. Automaton has currently 1786 states, but on-demand construction may add more states Word has length 99 [2024-05-30 17:10:08,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:10:08,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 17:10:08,797 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:10:08,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:10:08,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1415642416, now seen corresponding path program 1 times [2024-05-30 17:10:08,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:10:08,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952434442] [2024-05-30 17:10:08,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:08,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:10:08,811 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-30 17:10:08,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1373053698] [2024-05-30 17:10:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:08,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:10:08,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:10:08,815 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:10:08,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 17:10:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:10:09,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-30 17:10:09,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:10:09,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-05-30 17:10:09,168 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-05-30 17:10:09,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-05-30 17:10:09,204 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-05-30 17:10:09,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-05-30 17:10:09,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2024-05-30 17:10:09,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2024-05-30 17:10:09,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 43 [2024-05-30 17:10:09,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2024-05-30 17:10:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:10:09,913 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:10:09,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:10:09,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952434442] [2024-05-30 17:10:09,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-30 17:10:09,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373053698] [2024-05-30 17:10:09,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373053698] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:10:09,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:10:09,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-05-30 17:10:09,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240103026] [2024-05-30 17:10:09,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:10:09,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-30 17:10:09,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:10:09,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-30 17:10:09,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-05-30 17:10:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:09,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:10:09,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 16 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:10:09,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:09,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:09,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:10:09,917 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:10:10,187 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,187 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:10,187 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,207 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,207 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,207 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,242 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,242 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:10,243 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,258 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,258 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,258 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,262 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,262 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:10:10,262 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,279 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,280 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,280 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,325 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,325 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,325 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,356 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,356 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,356 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,360 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,360 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,361 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,540 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,541 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,541 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,563 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,564 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,564 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,567 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,567 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,567 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,608 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,609 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,609 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,634 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,634 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,634 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,637 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,637 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,638 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,660 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,660 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,660 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,673 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,674 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,674 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,676 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,676 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,676 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,720 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,720 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,720 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,746 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,746 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,746 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,750 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,750 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,750 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,788 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,788 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,789 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,810 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,810 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,810 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,813 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,813 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,813 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,849 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,849 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,849 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,872 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,873 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,873 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,876 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,876 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,876 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,896 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,896 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,897 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,908 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,909 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,909 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,911 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,911 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,911 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,951 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,951 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,951 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,974 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,974 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,974 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:10,977 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:10,977 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:10,978 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:11,011 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,012 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:11,012 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:11,033 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,033 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:11,033 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:11,036 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,036 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:11,036 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:11,069 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,069 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:11,069 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:11,090 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,090 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:11,090 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:11,093 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,093 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~receive~0] [2024-05-30 17:10:11,093 INFO L395 cStratifiedReduction]: Actual level: [~receive~0] [2024-05-30 17:10:11,206 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,206 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,206 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,227 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,227 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,227 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,231 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,231 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,231 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,250 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,251 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,251 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,254 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,254 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,254 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,289 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,290 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,290 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,294 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,295 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,295 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,322 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,322 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,322 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,326 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,326 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,327 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,349 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,349 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,350 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,353 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,353 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,353 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,357 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:10:11,357 INFO L394 cStratifiedReduction]: Guessed abstraction level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,357 INFO L395 cStratifiedReduction]: Actual level: [#pthreadsMutex, ~#m~0.offset, ~#m~0.base, ~receive~0] [2024-05-30 17:10:11,365 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2082 states. [2024-05-30 17:10:11,366 INFO L212 cStratifiedReduction]: Copied states 244 times. [2024-05-30 17:10:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 17:10:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:10:11,366 INFO L78 Accepts]: Start accepts. Automaton has currently 2295 states, but on-demand construction may add more states Word has length 108 [2024-05-30 17:10:11,367 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:10:11,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 17:10:11,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:10:11,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:10:11,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:10:11,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1753165018, now seen corresponding path program 1 times [2024-05-30 17:10:11,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:10:11,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124499420] [2024-05-30 17:10:11,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:11,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:10:11,590 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-30 17:10:11,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776366884] [2024-05-30 17:10:11,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:10:11,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:10:11,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:10:11,592 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:10:11,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 17:10:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-30 17:10:11,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-30 17:10:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-30 17:10:12,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-30 17:10:12,032 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-05-30 17:10:12,033 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:10:12,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 17:10:12,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-30 17:10:12,244 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-05-30 17:10:12,245 INFO L308 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (6/6) [2024-05-30 17:10:12,246 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 17:10:12,246 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 17:10:12,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 05:10:12 BasicIcfg [2024-05-30 17:10:12,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 17:10:12,326 INFO L158 Benchmark]: Toolchain (without parser) took 16064.78ms. Allocated memory was 265.3MB in the beginning and 1.2GB in the end (delta: 916.5MB). Free memory was 191.5MB in the beginning and 553.1MB in the end (delta: -361.6MB). Peak memory consumption was 554.1MB. Max. memory is 8.0GB. [2024-05-30 17:10:12,326 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 17:10:12,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.03ms. Allocated memory is still 265.3MB. Free memory was 191.4MB in the beginning and 224.9MB in the end (delta: -33.5MB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. [2024-05-30 17:10:12,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.50ms. Allocated memory is still 265.3MB. Free memory was 224.9MB in the beginning and 222.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 17:10:12,327 INFO L158 Benchmark]: Boogie Preprocessor took 33.35ms. Allocated memory is still 265.3MB. Free memory was 222.3MB in the beginning and 220.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 17:10:12,327 INFO L158 Benchmark]: RCFGBuilder took 494.82ms. Allocated memory is still 265.3MB. Free memory was 220.7MB in the beginning and 200.8MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-30 17:10:12,327 INFO L158 Benchmark]: TraceAbstraction took 14963.47ms. Allocated memory was 265.3MB in the beginning and 1.2GB in the end (delta: 916.5MB). Free memory was 199.8MB in the beginning and 553.1MB in the end (delta: -353.4MB). Peak memory consumption was 562.0MB. Max. memory is 8.0GB. [2024-05-30 17:10:12,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 520.03ms. Allocated memory is still 265.3MB. Free memory was 191.4MB in the beginning and 224.9MB in the end (delta: -33.5MB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.50ms. Allocated memory is still 265.3MB. Free memory was 224.9MB in the beginning and 222.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.35ms. Allocated memory is still 265.3MB. Free memory was 222.3MB in the beginning and 220.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 494.82ms. Allocated memory is still 265.3MB. Free memory was 220.7MB in the beginning and 200.8MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 14963.47ms. Allocated memory was 265.3MB in the beginning and 1.2GB in the end (delta: 916.5MB). Free memory was 199.8MB in the beginning and 553.1MB in the end (delta: -353.4MB). Peak memory consumption was 562.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 237, independent: 195, independent conditional: 195, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 195, independent: 195, independent conditional: 195, 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: 195, independent: 195, independent conditional: 195, 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: 195, independent: 195, independent conditional: 0, independent unconditional: 195, 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: 195, independent: 195, independent conditional: 0, independent unconditional: 195, 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: 195, independent: 195, independent conditional: 0, independent unconditional: 195, 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: 195, independent: 195, independent conditional: 0, independent unconditional: 195, 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: 195, independent: 195, independent conditional: 0, independent unconditional: 195, 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: 195, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 195, unknown conditional: 0, unknown unconditional: 195] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 195, Positive conditional cache size: 0, Positive unconditional cache size: 195, 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: 42 - StatisticsResult: Reduction benchmarks 48.0ms Time before loop, 627.5ms Time in loop, 0.7s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 253, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 254, Transitions: 283, Traversal time: 0.7s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.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: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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: -1, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 3.6ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 43, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 44, Transitions: 43, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.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: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 16594538.3s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.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: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 16594538.3s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15288, independent: 14337, independent conditional: 14337, independent unconditional: 0, dependent: 951, dependent conditional: 951, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14358, independent: 14337, independent conditional: 14337, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14358, independent: 14337, independent conditional: 14337, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14398, independent: 14337, independent conditional: 0, independent unconditional: 14337, dependent: 61, dependent conditional: 40, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14398, independent: 14337, independent conditional: 0, independent unconditional: 14337, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14398, independent: 14337, independent conditional: 0, independent unconditional: 14337, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14358, independent: 14337, independent conditional: 0, independent unconditional: 14337, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14358, independent: 14325, independent conditional: 0, independent unconditional: 14325, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14398, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 14358, unknown conditional: 0, unknown unconditional: 14358] , Statistics on independence cache: Total cache size (in pairs): 14358, Positive cache size: 14337, Positive conditional cache size: 0, Positive unconditional cache size: 14337, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 40, Maximal queried relation: 2, Independence queries for same thread: 930 - StatisticsResult: Reduction benchmarks 7.2ms Time before loop, 796.9ms Time in loop, 0.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 36, Reduction States: 1135, Duplicate States: 12, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 36.5ms Time before loop, 602.5ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 18, Reduction States: 1140, Duplicate States: 31, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 73.8ms Time before loop, 4692.2ms Time in loop, 4.8s Time in total, Has Loop: 1, wrong guesses: 6, overall guesses: 95, Reduction States: 6582, Duplicate States: 1988, Protected Variables: 5 - StatisticsResult: Visitor Statistics States: 1090, Transitions: 1226, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 1018, Transitions: 1175, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 6274, Transitions: 7488, Traversal time: 4.8s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 807, Times there's more than one choice: 433, Avg number of choices: 1.5365551425030979 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9144, independent: 8496, independent conditional: 8496, independent unconditional: 0, dependent: 648, dependent conditional: 648, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8500, independent: 8496, independent conditional: 8496, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8500, independent: 8496, independent conditional: 8496, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8508, independent: 8496, independent conditional: 0, independent unconditional: 8496, dependent: 12, dependent conditional: 8, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8508, independent: 8496, independent conditional: 0, independent unconditional: 8496, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8508, independent: 8496, independent conditional: 0, independent unconditional: 8496, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8500, independent: 8496, independent conditional: 0, independent unconditional: 8496, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8500, independent: 8493, independent conditional: 0, independent unconditional: 8493, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8508, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 8500, unknown conditional: 0, unknown unconditional: 8500] , Statistics on independence cache: Total cache size (in pairs): 8500, Positive cache size: 8496, Positive conditional cache size: 0, Positive unconditional cache size: 8496, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 3, Independence queries for same thread: 644 - StatisticsResult: Reduction benchmarks 100.8ms Time before loop, 571.0ms Time in loop, 0.7s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 26, Reduction States: 974, Duplicate States: 7, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 18.0ms Time before loop, 583.2ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 18, Reduction States: 919, Duplicate States: 33, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 8.3ms Time before loop, 1052.7ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 47, Reduction States: 1857, Duplicate States: 359, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 197.4ms Time before loop, 1250.7ms Time in loop, 1.4s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 54, Reduction States: 2082, Duplicate States: 244, Protected Variables: 4 - StatisticsResult: Visitor Statistics States: 895, Transitions: 1006, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 802, Transitions: 919, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 1748, Transitions: 1986, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 1957, Transitions: 2204, Traversal time: 1.4s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1, RedundantProofs: 1, ProvenStates: 315, Times there's more than one choice: 209, Avg number of choices: 1.9936507936507937 - PositiveResult [Line: 713]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - CounterExampleResult [Line: 746]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 static char buffer[10]; VAL [buffer={3:0}] [L683] 0 static unsigned int first; VAL [buffer={3:0}, first=0] [L684] 0 static unsigned int next; VAL [buffer={3:0}, first=0, next=0] [L685] 0 static int buffer_size; VAL [buffer={3:0}, buffer_size=0, first=0, next=0] [L686] 0 _Bool send, receive; VAL [buffer={3:0}, buffer_size=0, first=0, next=0, receive=0, send=0] [L687] 0 pthread_mutex_t m; VAL [buffer={3:0}, buffer_size=0, first=0, m={4:0}, next=0, receive=0, send=0] [L756] 0 pthread_t id1, id2; VAL [buffer={3:0}, buffer_size=0, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=0] [L758] CALL 0 initLog(10) [L690] 0 buffer_size = max VAL [\old(max)=10, buffer={3:0}, buffer_size=10, first=0, m={4:0}, max=10, next=0, receive=0, send=0] [L691] EXPR 0 next = 0 VAL [\old(max)=10, buffer={3:0}, buffer_size=10, first=0, m={4:0}, max=10, next=0, receive=0, send=0] [L691] 0 first = next = 0 VAL [\old(max)=10, buffer={3:0}, buffer_size=10, first=0, m={4:0}, max=10, next=0, receive=0, send=0] [L758] RET 0 initLog(10) [L759] 0 send=1 VAL [buffer={3:0}, buffer_size=10, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=1] [L760] 0 receive=0 VAL [buffer={3:0}, buffer_size=10, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=1] [L761] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [buffer={3:0}, buffer_size=10, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=1] [L762] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [buffer={3:0}, buffer_size=10, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=1] [L739] 2 int i; VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=0, receive=0, send=1] [L740] 2 i=0 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=0, m={4:0}, next=0, receive=0, send=1] [L740] COND TRUE 2 i<7 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=0, m={4:0}, next=0, receive=0, send=1] [L743] COND FALSE 2 !(\read(receive)) VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=0, m={4:0}, next=0, receive=0, send=1] [L740] 2 i++ VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=1, m={4:0}, next=0, receive=0, send=1] [L740] COND TRUE 2 i<7 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=1, m={4:0}, next=0, receive=0, send=1] [L763] 0 \read(id1) VAL [buffer={3:0}, buffer_size=10, first=0, id1={5:0}, id2={6:0}, m={4:0}, next=0, receive=0, send=1] [L723] 1 int i; VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=0, receive=0, send=1] [L724] 1 i=0 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=0, m={4:0}, next=0, receive=0, send=1] [L724] COND TRUE 1 i<7 VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=0, i=0, m={4:0}, next=0, receive=0, send=1] [L727] COND TRUE 1 \read(send) [L729] CALL 1 insertLogElement(i) [L707] COND TRUE 1 next < buffer_size && buffer_size > 0 VAL [\old(b)=0, b=0, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=0, receive=0, send=1] [L709] 1 buffer[next] = b VAL [\old(b)=0, b=0, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=0, receive=0, send=1] [L710] 1 next = (next+1)%buffer_size VAL [\old(b)=0, b=0, buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=1, receive=0, send=1] [L712] COND TRUE 1 next 0 && first < buffer_size VAL [buffer={3:0}, buffer_size=10, first=0, m={4:0}, next=1, receive=1, send=0] [L697] 2 first++ VAL [buffer={3:0}, buffer_size=10, first=1, m={4:0}, next=1, receive=1, send=0] [L698] EXPR 2 buffer[first-1] VAL [buffer={3:0}, buffer_size=10, first=1, m={4:0}, next=1, receive=1, send=0] [L698] 2 return buffer[first-1]; VAL [\result=0, buffer={3:0}, buffer_size=10, first=1, m={4:0}, next=1, receive=1, send=0] [L745] RET, EXPR 2 removeLogElement() [L745] COND FALSE 2 !(removeLogElement()==i) VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=1, i=1, m={4:0}, next=1, receive=1, send=0] [L746] 2 reach_error() VAL [arg={0:0}, arg={0:0}, buffer={3:0}, buffer_size=10, first=1, i=1, m={4:0}, next=1, receive=1, send=0] - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 211 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.7s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 211 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 211 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONERROR_FUNCTION with 2 thread instances CFG has 5 procedures, 211 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 6.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 159 ConstructedInterpolants, 1 QuantifiedInterpolants, 390 SizeOfPredicates, 2 NumberOfNonLiveVariables, 465 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 12/12 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 for error location: t2Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 211 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err0ASSERT_VIOLATIONERROR_FUNCTION with 2 thread instances CFG has 5 procedures, 211 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.8s, 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: 14, 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, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 275 ConstructedInterpolants, 6 QuantifiedInterpolants, 1928 SizeOfPredicates, 14 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 17/17 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 proved your program to be incorrect! [2024-05-30 17:10:12,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Forceful destruction successful, exit code 0 [2024-05-30 17:10:12,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2024-05-30 17:10:12,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-05-30 17:10:12,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-05-30 17:10:13,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-05-30 17:10:13,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-30 17:10:13,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...