/usr/bin/java -Xmx7000000000 -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 ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 23:13:16,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 23:13:16,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 23:13:16,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 23:13:16,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 23:13:16,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 23:13:17,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 23:13:17,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 23:13:17,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 23:13:17,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 23:13:17,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 23:13:17,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 23:13:17,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 23:13:17,015 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 23:13:17,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 23:13:17,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 23:13:17,016 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 23:13:17,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 23:13:17,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 23:13:17,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 23:13:17,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 23:13:17,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 23:13:17,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 23:13:17,018 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 23:13:17,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 23:13:17,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 23:13:17,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 23:13:17,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 23:13:17,019 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 23:13:17,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 23:13:17,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 23:13:17,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 23:13:17,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 23:13:17,020 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 23:13:17,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 23:13:17,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 23:13:17,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 23:13:17,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 23:13:17,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 23:13:17,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 23:13:17,022 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 23:13:17,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-07 23:13:17,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 23:13:17,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 23:13:17,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 23:13:17,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 23:13:17,229 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 23:13:17,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2023-09-07 23:13:18,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 23:13:18,397 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 23:13:18,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2023-09-07 23:13:18,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aae127c0/9fc4144b9da24cedb0565dfc0b302822/FLAG757c1fcb7 [2023-09-07 23:13:18,415 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aae127c0/9fc4144b9da24cedb0565dfc0b302822 [2023-09-07 23:13:18,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 23:13:18,421 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 23:13:18,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 23:13:18,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 23:13:18,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 23:13:18,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a97a007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18, skipping insertion in model container [2023-09-07 23:13:18,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 23:13:18,586 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2023-09-07 23:13:18,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 23:13:18,724 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 23:13:18,735 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2023-09-07 23:13:18,750 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-09-07 23:13:18,751 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-09-07 23:13:18,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 23:13:18,792 INFO L206 MainTranslator]: Completed translation [2023-09-07 23:13:18,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18 WrapperNode [2023-09-07 23:13:18,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 23:13:18,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 23:13:18,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 23:13:18,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 23:13:18,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,824 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-09-07 23:13:18,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 23:13:18,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 23:13:18,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 23:13:18,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 23:13:18,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 23:13:18,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 23:13:18,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 23:13:18,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 23:13:18,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (1/1) ... [2023-09-07 23:13:18,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 23:13:18,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 23:13:18,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 23:13:18,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 23:13:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 23:13:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-07 23:13:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 23:13:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 23:13:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-09-07 23:13:18,914 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-09-07 23:13:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 23:13:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 23:13:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 23:13:18,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 23:13:18,915 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 23:13:19,006 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 23:13:19,007 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 23:13:19,108 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 23:13:19,112 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 23:13:19,112 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 23:13:19,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:13:19 BoogieIcfgContainer [2023-09-07 23:13:19,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 23:13:19,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 23:13:19,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 23:13:19,117 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 23:13:19,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 11:13:18" (1/3) ... [2023-09-07 23:13:19,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5433248b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:13:19, skipping insertion in model container [2023-09-07 23:13:19,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:13:18" (2/3) ... [2023-09-07 23:13:19,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5433248b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:13:19, skipping insertion in model container [2023-09-07 23:13:19,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:13:19" (3/3) ... [2023-09-07 23:13:19,119 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2023-09-07 23:13:19,123 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 23:13:19,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 23:13:19,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 23:13:19,130 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 23:13:19,158 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-07 23:13:19,195 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 23:13:19,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 23:13:19,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 23:13:19,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 23:13:19,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 23:13:19,234 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 23:13:19,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-07 23:13:19,258 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;@65230326, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 23:13:19,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-09-07 23:13:19,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:13:19,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:13:19,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1808390897, now seen corresponding path program 1 times [2023-09-07 23:13:19,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:13:19,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015189552] [2023-09-07 23:13:19,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:13:19,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:13:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:13:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:13:19,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:13:19,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015189552] [2023-09-07 23:13:19,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015189552] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:13:19,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:13:19,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-07 23:13:19,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213975727] [2023-09-07 23:13:19,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:13:19,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-07 23:13:19,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:13:19,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-07 23:13:19,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-07 23:13:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:19,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:13:19,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:13:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:19,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 23:13:19,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:13:19,871 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:13:19,871 INFO L85 PathProgramCache]: Analyzing trace with hash -2076112308, now seen corresponding path program 1 times [2023-09-07 23:13:19,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:13:19,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352654484] [2023-09-07 23:13:19,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:13:19,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:13:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:13:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:13:20,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:13:20,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352654484] [2023-09-07 23:13:20,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352654484] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:13:20,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:13:20,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 23:13:20,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311971628] [2023-09-07 23:13:20,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:13:20,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 23:13:20,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:13:20,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 23:13:20,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-09-07 23:13:20,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:20,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:13:20,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:13:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 23:13:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:13:20,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 23:13:20,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:13:20,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:13:20,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1631473011, now seen corresponding path program 1 times [2023-09-07 23:13:20,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:13:20,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786312645] [2023-09-07 23:13:20,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:13:20,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:13:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:13:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:13:20,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:13:20,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786312645] [2023-09-07 23:13:20,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786312645] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:13:20,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:13:20,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-07 23:13:20,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870284907] [2023-09-07 23:13:20,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:13:20,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-07 23:13:20,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:13:20,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-07 23:13:20,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-07 23:13:20,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:20,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:13:20,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:13:20,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:20,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:13:20,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:20,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:20,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:13:20,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 23:13:20,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 23:13:20,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:13:20,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:13:20,451 INFO L85 PathProgramCache]: Analyzing trace with hash 656505061, now seen corresponding path program 2 times [2023-09-07 23:13:20,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:13:20,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142738337] [2023-09-07 23:13:20,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:13:20,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:13:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:13:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:13:20,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:13:20,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142738337] [2023-09-07 23:13:20,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142738337] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:13:20,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:13:20,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 23:13:20,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013298209] [2023-09-07 23:13:20,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:13:20,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 23:13:20,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:13:20,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 23:13:20,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-09-07 23:13:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:20,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:13:20,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:13:20,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:20,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:13:20,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 23:13:20,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:13:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:13:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:13:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 23:13:20,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:13:20,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 23:13:20,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:13:20,710 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:13:20,710 INFO L85 PathProgramCache]: Analyzing trace with hash -2090753645, now seen corresponding path program 1 times [2023-09-07 23:13:20,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:13:20,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139622843] [2023-09-07 23:13:20,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:13:20,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:13:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-07 23:13:20,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-07 23:13:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-07 23:13:20,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-07 23:13:20,763 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-07 23:13:20,764 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-09-07 23:13:20,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-09-07 23:13:20,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 23:13:20,770 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-09-07 23:13:20,774 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 23:13:20,774 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 23:13:20,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 11:13:20 BasicIcfg [2023-09-07 23:13:20,807 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 23:13:20,808 INFO L158 Benchmark]: Toolchain (without parser) took 2386.61ms. Allocated memory is still 242.2MB. Free memory was 191.2MB in the beginning and 137.4MB in the end (delta: 53.7MB). Peak memory consumption was 55.3MB. Max. memory is 7.0GB. [2023-09-07 23:13:20,808 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory was 114.2MB in the beginning and 114.1MB in the end (delta: 65.6kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 23:13:20,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.73ms. Allocated memory is still 242.2MB. Free memory was 191.2MB in the beginning and 172.3MB in the end (delta: 18.9MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. [2023-09-07 23:13:20,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.02ms. Allocated memory is still 242.2MB. Free memory was 171.8MB in the beginning and 170.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 23:13:20,808 INFO L158 Benchmark]: Boogie Preprocessor took 21.60ms. Allocated memory is still 242.2MB. Free memory was 170.2MB in the beginning and 168.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 23:13:20,809 INFO L158 Benchmark]: RCFGBuilder took 267.30ms. Allocated memory is still 242.2MB. Free memory was 168.6MB in the beginning and 156.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-07 23:13:20,809 INFO L158 Benchmark]: TraceAbstraction took 1692.12ms. Allocated memory is still 242.2MB. Free memory was 155.0MB in the beginning and 137.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.6MB. Max. memory is 7.0GB. [2023-09-07 23:13:20,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory was 114.2MB in the beginning and 114.1MB in the end (delta: 65.6kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 371.73ms. Allocated memory is still 242.2MB. Free memory was 191.2MB in the beginning and 172.3MB in the end (delta: 18.9MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 30.02ms. Allocated memory is still 242.2MB. Free memory was 171.8MB in the beginning and 170.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * Boogie Preprocessor took 21.60ms. Allocated memory is still 242.2MB. Free memory was 170.2MB in the beginning and 168.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 267.30ms. Allocated memory is still 242.2MB. Free memory was 168.6MB in the beginning and 156.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * TraceAbstraction took 1692.12ms. Allocated memory is still 242.2MB. Free memory was 155.0MB in the beginning and 137.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112, independent: 106, independent conditional: 106, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 112, independent: 106, independent conditional: 106, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 112, independent: 106, independent conditional: 106, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 22, dependent conditional: 16, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 112, independent: 106, independent conditional: 0, independent unconditional: 106, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 112, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 128, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 112, unknown conditional: 0, unknown unconditional: 112] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 4, Independence queries for same thread: 0 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1, RedundantProofs: 1, ProvenStates: 32 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 g = 17 VAL [A={3:0}, D={4:0}, arg={0:0}, arg={0:0}, g=17] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, arg={0:0}, cond=0, g=17] [L19] 0 reach_error() VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, arg={0:0}, cond=0, g=17] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 72 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 515 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-09-07 23:13:20,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-09-07 23:13:21,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...