/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 --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:56:59,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:56:59,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:56:59,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:56:59,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:56:59,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:56:59,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:56:59,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:56:59,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:56:59,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:56:59,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:56:59,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:56:59,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:56:59,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:56:59,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:56:59,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:56:59,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:56:59,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:56:59,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:56:59,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:56:59,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:56:59,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:56:59,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:56:59,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:56:59,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 16:56:59,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:56:59,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:56:59,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:56:59,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-06 16:56:59,983 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:56:59,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:56:59,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:56:59,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:56:59,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:56:59,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:56:59,985 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:56:59,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:56:59,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:56:59,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:56:59,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:56:59,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:56:59,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:56:59,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:56:59,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:56:59,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:56:59,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:56:59,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:56:59,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:56:59,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:56:59,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:56:59,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:56:59,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:56:59,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:56:59,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:56:59,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:56:59,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:56:59,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:56:59,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:56:59,988 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:56:59,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:56:59,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:57:00,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:57:00,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:57:00,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:57:00,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:57:00,329 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:57:00,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-12-06 16:57:01,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:57:01,566 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:57:01,566 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-12-06 16:57:01,582 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c891988a4/12923c0d2c1646568d4a686695336a0e/FLAG5ef2dc3af [2022-12-06 16:57:01,594 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c891988a4/12923c0d2c1646568d4a686695336a0e [2022-12-06 16:57:01,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:57:01,597 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:57:01,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:57:01,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:57:01,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:57:01,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3a070e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01, skipping insertion in model container [2022-12-06 16:57:01,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:57:01,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:57:01,721 WARN L237 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_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-12-06 16:57:01,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:57:01,801 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:57:01,811 WARN L237 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_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-12-06 16:57:01,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:57:01,878 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:57:01,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01 WrapperNode [2022-12-06 16:57:01,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:57:01,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:57:01,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:57:01,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:57:01,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,926 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-06 16:57:01,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:57:01,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:57:01,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:57:01,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:57:01,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,953 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:57:01,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:57:01,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:57:01,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:57:01,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (1/1) ... [2022-12-06 16:57:01,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:57:01,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:57:01,984 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) [2022-12-06 16:57:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:57:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:57:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 16:57:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:57:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:57:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 16:57:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 16:57:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:57:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:57:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:57:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:57:02,012 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 16:57:02,015 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 [2022-12-06 16:57:02,089 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:57:02,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:57:02,204 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:57:02,208 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:57:02,208 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 16:57:02,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:02 BoogieIcfgContainer [2022-12-06 16:57:02,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:57:02,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:57:02,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:57:02,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:57:02,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:57:01" (1/3) ... [2022-12-06 16:57:02,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c7bde1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:02, skipping insertion in model container [2022-12-06 16:57:02,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:01" (2/3) ... [2022-12-06 16:57:02,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c7bde1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:02, skipping insertion in model container [2022-12-06 16:57:02,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:02" (3/3) ... [2022-12-06 16:57:02,214 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-12-06 16:57:02,232 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:57:02,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 16:57:02,233 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:57:02,278 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 16:57:02,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-06 16:57:02,347 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-06 16:57:02,347 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 16:57:02,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 1/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-06 16:57:02,359 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-06 16:57:02,363 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-06 16:57:02,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:57:02,414 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=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;@4800310f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:57:02,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-06 16:57:02,450 INFO L130 PetriNetUnfolder]: 0/45 cut-off events. [2022-12-06 16:57:02,450 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:57:02,450 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:57:02,451 INFO L213 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] [2022-12-06 16:57:02,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 16:57:02,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:57:02,455 INFO L85 PathProgramCache]: Analyzing trace with hash 105341448, now seen corresponding path program 1 times [2022-12-06 16:57:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:57:02,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251654818] [2022-12-06 16:57:02,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:57:02,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:57:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:57:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:57:02,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:57:02,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251654818] [2022-12-06 16:57:02,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251654818] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:57:02,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:57:02,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 16:57:02,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497503801] [2022-12-06 16:57:02,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:57:02,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 16:57:02,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:57:02,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 16:57:02,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 16:57:02,915 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 65 [2022-12-06 16:57:02,917 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 107 flow. Second operand has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 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) [2022-12-06 16:57:02,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:57:02,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 65 [2022-12-06 16:57:02,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:57:02,966 INFO L130 PetriNetUnfolder]: 8/95 cut-off events. [2022-12-06 16:57:02,967 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 16:57:02,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 95 events. 8/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 214 event pairs, 0 based on Foata normal form. 3/98 useless extension candidates. Maximal degree in co-relation 93. Up to 10 conditions per place. [2022-12-06 16:57:02,969 INFO L137 encePairwiseOnDemand]: 59/65 looper letters, 8 selfloop transitions, 3 changer transitions 9/64 dead transitions. [2022-12-06 16:57:02,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 64 transitions, 171 flow [2022-12-06 16:57:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 16:57:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 16:57:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 393 transitions. [2022-12-06 16:57:02,980 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8637362637362638 [2022-12-06 16:57:02,982 INFO L294 CegarLoopForPetriNet]: 56 programPoint places, 6 predicate places. [2022-12-06 16:57:02,982 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 64 transitions, 171 flow [2022-12-06 16:57:02,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 5 states have internal predecessors, (271), 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) [2022-12-06 16:57:02,983 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:57:02,983 INFO L213 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] [2022-12-06 16:57:02,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:57:02,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 16:57:02,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:57:02,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1870291707, now seen corresponding path program 1 times [2022-12-06 16:57:02,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:57:02,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403077281] [2022-12-06 16:57:02,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:57:02,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:57:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:57:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:57:03,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:57:03,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403077281] [2022-12-06 16:57:03,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403077281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:57:03,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:57:03,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 16:57:03,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104104092] [2022-12-06 16:57:03,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:57:03,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 16:57:03,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:57:03,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 16:57:03,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 16:57:03,130 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 65 [2022-12-06 16:57:03,130 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 64 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2022-12-06 16:57:03,130 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:57:03,130 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 65 [2022-12-06 16:57:03,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:57:03,182 INFO L130 PetriNetUnfolder]: 1/76 cut-off events. [2022-12-06 16:57:03,183 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 16:57:03,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 76 events. 1/76 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 0 based on Foata normal form. 4/80 useless extension candidates. Maximal degree in co-relation 78. Up to 13 conditions per place. [2022-12-06 16:57:03,183 INFO L137 encePairwiseOnDemand]: 59/65 looper letters, 8 selfloop transitions, 3 changer transitions 12/57 dead transitions. [2022-12-06 16:57:03,183 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 57 transitions, 171 flow [2022-12-06 16:57:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 16:57:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 16:57:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2022-12-06 16:57:03,185 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205 [2022-12-06 16:57:03,185 INFO L294 CegarLoopForPetriNet]: 56 programPoint places, 6 predicate places. [2022-12-06 16:57:03,185 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 57 transitions, 171 flow [2022-12-06 16:57:03,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2022-12-06 16:57:03,186 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:57:03,186 INFO L213 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] [2022-12-06 16:57:03,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:57:03,186 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 16:57:03,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:57:03,187 INFO L85 PathProgramCache]: Analyzing trace with hash 579730692, now seen corresponding path program 1 times [2022-12-06 16:57:03,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:57:03,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743895786] [2022-12-06 16:57:03,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:57:03,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:57:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 16:57:03,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 16:57:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 16:57:03,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 16:57:03,229 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 16:57:03,230 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-06 16:57:03,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-06 16:57:03,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 16:57:03,232 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 16:57:03,235 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 16:57:03,235 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 16:57:03,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:57:03 BasicIcfg [2022-12-06 16:57:03,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 16:57:03,258 INFO L158 Benchmark]: Toolchain (without parser) took 1660.15ms. Allocated memory was 199.2MB in the beginning and 275.8MB in the end (delta: 76.5MB). Free memory was 174.6MB in the beginning and 240.6MB in the end (delta: -65.9MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-12-06 16:57:03,258 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 175.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:57:03,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.65ms. Allocated memory is still 199.2MB. Free memory was 174.2MB in the beginning and 155.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 16:57:03,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 199.2MB. Free memory was 155.4MB in the beginning and 153.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 16:57:03,259 INFO L158 Benchmark]: Boogie Preprocessor took 28.54ms. Allocated memory is still 199.2MB. Free memory was 153.3MB in the beginning and 152.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 16:57:03,259 INFO L158 Benchmark]: RCFGBuilder took 254.47ms. Allocated memory is still 199.2MB. Free memory was 152.2MB in the beginning and 139.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 16:57:03,260 INFO L158 Benchmark]: TraceAbstraction took 1046.29ms. Allocated memory was 199.2MB in the beginning and 275.8MB in the end (delta: 76.5MB). Free memory was 138.7MB in the beginning and 240.6MB in the end (delta: -101.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:57:03,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 175.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 281.65ms. Allocated memory is still 199.2MB. Free memory was 174.2MB in the beginning and 155.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 199.2MB. Free memory was 155.4MB in the beginning and 153.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.54ms. Allocated memory is still 199.2MB. Free memory was 153.3MB in the beginning and 152.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 254.47ms. Allocated memory is still 199.2MB. Free memory was 152.2MB in the beginning and 139.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1046.29ms. Allocated memory was 199.2MB in the beginning and 275.8MB in the end (delta: 76.5MB). Free memory was 138.7MB in the beginning and 240.6MB in the end (delta: -101.9MB). There was no memory consumed. Max. memory is 8.0GB. * 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: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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, 81 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 21 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=1, InterpolantAutomatonStates: 10, 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, 0.5s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-12-06 16:57:03,281 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...