/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 17:47:24,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 17:47:24,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 17:47:24,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 17:47:24,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-03-23 17:47:24,239 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 17:47:24,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 17:47:24,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 17:47:24,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 17:47:24,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 17:47:24,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 17:47:24,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 17:47:24,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 17:47:24,241 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 17:47:24,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 17:47:24,241 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 17:47:24,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 17:47:24,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 17:47:24,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 17:47:24,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 17:47:24,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 17:47:24,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 17:47:24,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 17:47:24,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 17:47:24,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 17:47:24,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 17:47:24,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 17:47:24,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 17:47:24,244 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 17:47:24,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 17:47:24,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 17:47:24,244 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-03-23 17:47:24,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 17:47:24,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 17:47:24,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 17:47:24,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 17:47:24,446 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 17:47:24,446 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 17:47:24,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-03-23 17:47:25,450 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 17:47:25,630 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 17:47:25,631 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-03-23 17:47:25,639 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca9c4cae/c6842680ce48486cabca6a77fd664252/FLAG670e30c74 [2023-03-23 17:47:25,651 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca9c4cae/c6842680ce48486cabca6a77fd664252 [2023-03-23 17:47:25,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 17:47:25,654 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 17:47:25,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 17:47:25,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 17:47:25,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 17:47:25,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:25,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae20a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25, skipping insertion in model container [2023-03-23 17:47:25,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:25,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 17:47:25,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 17:47:25,817 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2023-03-23 17:47:25,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 17:47:25,909 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 17:47:25,923 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2023-03-23 17:47:25,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 17:47:25,989 INFO L208 MainTranslator]: Completed translation [2023-03-23 17:47:25,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25 WrapperNode [2023-03-23 17:47:25,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 17:47:25,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 17:47:25,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 17:47:25,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 17:47:25,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,026 INFO L138 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2023-03-23 17:47:26,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 17:47:26,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 17:47:26,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 17:47:26,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 17:47:26,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 17:47:26,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 17:47:26,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 17:47:26,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 17:47:26,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (1/1) ... [2023-03-23 17:47:26,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 17:47:26,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 17:47:26,082 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) [2023-03-23 17:47:26,084 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 [2023-03-23 17:47:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 17:47:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 17:47:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 17:47:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-03-23 17:47:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-03-23 17:47:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 17:47:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 17:47:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 17:47:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 17:47:26,110 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 17:47:26,224 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 17:47:26,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 17:47:26,311 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 17:47:26,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 17:47:26,316 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-23 17:47:26,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 05:47:26 BoogieIcfgContainer [2023-03-23 17:47:26,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 17:47:26,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 17:47:26,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 17:47:26,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 17:47:26,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 05:47:25" (1/3) ... [2023-03-23 17:47:26,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173eb41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 05:47:26, skipping insertion in model container [2023-03-23 17:47:26,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:25" (2/3) ... [2023-03-23 17:47:26,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173eb41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 05:47:26, skipping insertion in model container [2023-03-23 17:47:26,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 05:47:26" (3/3) ... [2023-03-23 17:47:26,323 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2023-03-23 17:47:26,329 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 17:47:26,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 17:47:26,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 17:47:26,336 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 17:47:26,398 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-03-23 17:47:26,444 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 17:47:26,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 17:47:26,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 17:47:26,447 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) [2023-03-23 17:47:26,464 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 [2023-03-23 17:47:26,498 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 17:47:26,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-23 17:47:26,511 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;@47e90aee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 17:47:26,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 17:47:26,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-23 17:47:26,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:26,546 INFO L85 PathProgramCache]: Analyzing trace with hash 543023679, now seen corresponding path program 1 times [2023-03-23 17:47:26,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:26,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407782429] [2023-03-23 17:47:26,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:26,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-23 17:47:26,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-23 17:47:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-23 17:47:26,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-23 17:47:26,748 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-23 17:47:26,749 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 17:47:26,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 17:47:26,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2023-03-23 17:47:26,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 17:47:26,754 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-03-23 17:47:26,759 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 17:47:26,759 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 17:47:26,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 05:47:26 BasicIcfg [2023-03-23 17:47:26,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 17:47:26,776 INFO L158 Benchmark]: Toolchain (without parser) took 1122.77ms. Allocated memory is still 255.9MB. Free memory was 207.1MB in the beginning and 216.2MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 17:47:26,777 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory was 134.9MB in the beginning and 134.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 17:47:26,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.54ms. Allocated memory is still 255.9MB. Free memory was 207.1MB in the beginning and 188.9MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-23 17:47:26,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.45ms. Allocated memory is still 255.9MB. Free memory was 188.8MB in the beginning and 186.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 17:47:26,778 INFO L158 Benchmark]: Boogie Preprocessor took 27.18ms. Allocated memory is still 255.9MB. Free memory was 186.8MB in the beginning and 185.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 17:47:26,778 INFO L158 Benchmark]: RCFGBuilder took 260.49ms. Allocated memory is still 255.9MB. Free memory was 185.7MB in the beginning and 174.9MB in the end (delta: 10.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 17:47:26,778 INFO L158 Benchmark]: TraceAbstraction took 457.10ms. Allocated memory is still 255.9MB. Free memory was 174.3MB in the beginning and 216.2MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 17:47:26,780 INFO L339 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 184.5MB. Free memory was 134.9MB in the beginning and 134.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 335.54ms. Allocated memory is still 255.9MB. Free memory was 207.1MB in the beginning and 188.9MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.45ms. Allocated memory is still 255.9MB. Free memory was 188.8MB in the beginning and 186.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.18ms. Allocated memory is still 255.9MB. Free memory was 186.8MB in the beginning and 185.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 260.49ms. Allocated memory is still 255.9MB. Free memory was 185.7MB in the beginning and 174.9MB in the end (delta: 10.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 457.10ms. Allocated memory is still 255.9MB. Free memory was 174.3MB in the beginning and 216.2MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 7, 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: 7, independent: 7, independent conditional: 7, 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: 7, independent: 7, independent conditional: 7, 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: 7, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 7, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 7, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 7, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 7, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 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: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, 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: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L688] 0 int x = 3; VAL [x=3] [L689] 0 pthread_t id; VAL [id={3:0}, x=3] [L690] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x=3] [L691] 0 return 0; VAL [\result=0, id={3:0}, x=3] [L691] 0 return 0; VAL [\result=0, x=3] [L683] 1 int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=3, arg={0:0}, arg={0:0}, x=3] [L684] CALL 1 __VERIFIER_assert(!(x == 3)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 690]: 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, 54 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2023-03-23 17:47:26,796 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 [2023-03-23 17:47:26,996 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...