/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.fix-rcfgbuilder-lbe-0ccecc1-m [2023-11-10 12:04:04,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-10 12:04:04,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-10 12:04:04,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-10 12:04:04,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-10 12:04:04,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-10 12:04:04,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-10 12:04:04,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-10 12:04:04,855 INFO L153 SettingsManager]: * Use SBE=true [2023-11-10 12:04:04,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-10 12:04:04,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-10 12:04:04,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-10 12:04:04,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-10 12:04:04,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-10 12:04:04,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-10 12:04:04,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-10 12:04:04,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-10 12:04:04,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-10 12:04:04,863 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-10 12:04:04,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-10 12:04:04,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-10 12:04:04,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-10 12:04:04,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-10 12:04:04,865 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-10 12:04:04,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-10 12:04:04,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 12:04:04,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-10 12:04:04,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-10 12:04:04,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-10 12:04:04,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-10 12:04:04,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-10 12:04:04,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-10 12:04:04,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-10 12:04:04,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-10 12:04:05,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-10 12:04:05,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-10 12:04:05,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-10 12:04:05,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-10 12:04:05,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-10 12:04:05,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-10 12:04:06,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-10 12:04:06,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-10 12:04:06,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-10 12:04:06,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749ab8cbd/d88d6f236e1241768bf6a68ebf4440fc/FLAG7ba457ff8 [2023-11-10 12:04:06,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749ab8cbd/d88d6f236e1241768bf6a68ebf4440fc [2023-11-10 12:04:06,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-10 12:04:06,720 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-10 12:04:06,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-10 12:04:06,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-10 12:04:06,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-10 12:04:06,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:06" (1/1) ... [2023-11-10 12:04:06,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd5a3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:06, skipping insertion in model container [2023-11-10 12:04:06,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:04:06" (1/1) ... [2023-11-10 12:04:06,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-10 12:04:06,922 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2023-11-10 12:04:07,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 12:04:07,096 INFO L202 MainTranslator]: Completed pre-run [2023-11-10 12:04:07,111 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2023-11-10 12:04:07,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 12:04:07,193 INFO L206 MainTranslator]: Completed translation [2023-11-10 12:04:07,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07 WrapperNode [2023-11-10 12:04:07,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-10 12:04:07,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-10 12:04:07,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-10 12:04:07,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-10 12:04:07,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,256 INFO L138 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2023-11-10 12:04:07,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-10 12:04:07,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-10 12:04:07,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-10 12:04:07,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-10 12:04:07,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-10 12:04:07,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-10 12:04:07,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-10 12:04:07,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-10 12:04:07,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (1/1) ... [2023-11-10 12:04:07,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 12:04:07,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 12:04:07,330 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) [2023-11-10 12:04:07,352 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 [2023-11-10 12:04:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-10 12:04:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-10 12:04:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-10 12:04:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-10 12:04:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-10 12:04:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-10 12:04:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-10 12:04:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-10 12:04:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-10 12:04:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-10 12:04:07,382 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-10 12:04:07,527 INFO L236 CfgBuilder]: Building ICFG [2023-11-10 12:04:07,529 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-10 12:04:07,746 INFO L277 CfgBuilder]: Performing block encoding [2023-11-10 12:04:07,756 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-10 12:04:07,757 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-10 12:04:07,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:04:07 BoogieIcfgContainer [2023-11-10 12:04:07,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-10 12:04:07,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-10 12:04:07,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-10 12:04:07,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-10 12:04:07,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:04:06" (1/3) ... [2023-11-10 12:04:07,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf4b5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:04:07, skipping insertion in model container [2023-11-10 12:04:07,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:04:07" (2/3) ... [2023-11-10 12:04:07,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf4b5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:04:07, skipping insertion in model container [2023-11-10 12:04:07,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:04:07" (3/3) ... [2023-11-10 12:04:07,768 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-10 12:04:07,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-10 12:04:07,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-10 12:04:07,787 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-10 12:04:07,851 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-10 12:04:07,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 75 transitions, 154 flow [2023-11-10 12:04:07,941 INFO L124 PetriNetUnfolderBase]: 2/74 cut-off events. [2023-11-10 12:04:07,942 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 12:04:07,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 74 events. 2/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2023-11-10 12:04:07,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 75 transitions, 154 flow [2023-11-10 12:04:07,954 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2023-11-10 12:04:07,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-10 12:04:07,981 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@30e63d0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-10 12:04:07,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-10 12:04:08,018 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-10 12:04:08,019 INFO L124 PetriNetUnfolderBase]: 1/60 cut-off events. [2023-11-10 12:04:08,019 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 12:04:08,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 12:04:08,020 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 12:04:08,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-10 12:04:08,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 12:04:08,025 INFO L85 PathProgramCache]: Analyzing trace with hash -745868389, now seen corresponding path program 1 times [2023-11-10 12:04:08,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 12:04:08,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420384828] [2023-11-10 12:04:08,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 12:04:08,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 12:04:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-10 12:04:08,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-10 12:04:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-10 12:04:08,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-10 12:04:08,278 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-10 12:04:08,279 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-10 12:04:08,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-10 12:04:08,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-10 12:04:08,281 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-10 12:04:08,288 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-10 12:04:08,288 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-10 12:04:08,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-10 12:04:08,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre4 could not be translated [2023-11-10 12:04:08,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:04:08 BasicIcfg [2023-11-10 12:04:08,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-10 12:04:08,332 INFO L158 Benchmark]: Toolchain (without parser) took 1612.57ms. Allocated memory is still 238.0MB. Free memory was 194.3MB in the beginning and 128.8MB in the end (delta: 65.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2023-11-10 12:04:08,333 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-10 12:04:08,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.12ms. Allocated memory is still 238.0MB. Free memory was 193.8MB in the beginning and 174.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-11-10 12:04:08,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.74ms. Allocated memory is still 238.0MB. Free memory was 174.9MB in the beginning and 172.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-10 12:04:08,334 INFO L158 Benchmark]: Boogie Preprocessor took 37.62ms. Allocated memory is still 238.0MB. Free memory was 172.8MB in the beginning and 171.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-10 12:04:08,335 INFO L158 Benchmark]: RCFGBuilder took 464.85ms. Allocated memory is still 238.0MB. Free memory was 171.2MB in the beginning and 158.1MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-11-10 12:04:08,335 INFO L158 Benchmark]: TraceAbstraction took 569.24ms. Allocated memory is still 238.0MB. Free memory was 157.1MB in the beginning and 128.8MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-11-10 12:04:08,337 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 473.12ms. Allocated memory is still 238.0MB. Free memory was 193.8MB in the beginning and 174.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.74ms. Allocated memory is still 238.0MB. Free memory was 174.9MB in the beginning and 172.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.62ms. Allocated memory is still 238.0MB. Free memory was 172.8MB in the beginning and 171.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 464.85ms. Allocated memory is still 238.0MB. Free memory was 171.2MB in the beginning and 158.1MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 569.24ms. Allocated memory is still 238.0MB. Free memory was 157.1MB in the beginning and 128.8MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, B={4:0}, arg={0:0}, g=42, id={5:0}, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, B={4:0}, arg={0:0}, g=42, id={5:0}, r=0] [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, B={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=42] [L19] 0 reach_error() VAL [A={3:0}, B={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=42] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 86 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 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! [2023-11-10 12:04:08,357 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...