/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/13-privatized_19-publish-precision_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-0612a5f-m [2022-09-20 20:45:07,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 20:45:07,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 20:45:07,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 20:45:07,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 20:45:07,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 20:45:07,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 20:45:07,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 20:45:07,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 20:45:07,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 20:45:07,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 20:45:07,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 20:45:07,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 20:45:07,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 20:45:07,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 20:45:07,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 20:45:07,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 20:45:07,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 20:45:07,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 20:45:07,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 20:45:07,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 20:45:07,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 20:45:07,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 20:45:07,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 20:45:07,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-20 20:45:07,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 20:45:07,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 20:45:07,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 20:45:07,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 20:45:07,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 20:45:07,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 20:45:07,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 20:45:07,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 20:45:07,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 20:45:07,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 20:45:07,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 20:45:07,948 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 [2022-09-20 20:45:07,969 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 20:45:07,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 20:45:07,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 20:45:07,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 20:45:07,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 20:45:07,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 20:45:07,977 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 20:45:07,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 20:45:07,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 20:45:07,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 20:45:07,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 20:45:07,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 20:45:07,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 20:45:07,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 20:45:07,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 20:45:07,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 20:45:07,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 20:45:07,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 20:45:07,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 20:45:07,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 20:45:07,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 20:45:07,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 20:45:07,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 20:45:07,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 20:45:07,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 20:45:07,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 20:45:07,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 20:45:07,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 20:45:07,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 20:45:07,982 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 20:45:07,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 20:45:07,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 20:45:08,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 20:45:08,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 20:45:08,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 20:45:08,216 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 20:45:08,216 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 20:45:08,218 INFO L432 ainManager$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_pos.i [2022-09-20 20:45:08,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea53ae956/89ce4450ec414273b91f96af4665734f/FLAG23c283393 [2022-09-20 20:45:08,686 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 20:45:08,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-09-20 20:45:08,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea53ae956/89ce4450ec414273b91f96af4665734f/FLAG23c283393 [2022-09-20 20:45:09,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea53ae956/89ce4450ec414273b91f96af4665734f [2022-09-20 20:45:09,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 20:45:09,054 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 20:45:09,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 20:45:09,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 20:45:09,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 20:45:09,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e69580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09, skipping insertion in model container [2022-09-20 20:45:09,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 20:45:09,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 20:45:09,299 WARN L230 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_pos.i[1103,1116] [2022-09-20 20:45:09,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 20:45:09,469 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 20:45:09,480 WARN L230 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_pos.i[1103,1116] [2022-09-20 20:45:09,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 20:45:09,553 INFO L208 MainTranslator]: Completed translation [2022-09-20 20:45:09,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09 WrapperNode [2022-09-20 20:45:09,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 20:45:09,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 20:45:09,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 20:45:09,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 20:45:09,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,615 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-09-20 20:45:09,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 20:45:09,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 20:45:09,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 20:45:09,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 20:45:09,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 20:45:09,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 20:45:09,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 20:45:09,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 20:45:09,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (1/1) ... [2022-09-20 20:45:09,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 20:45:09,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 20:45:09,672 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) [2022-09-20 20:45:09,674 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 [2022-09-20 20:45:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 20:45:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 20:45:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-20 20:45:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 20:45:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 20:45:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-20 20:45:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-20 20:45:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 20:45:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 20:45:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 20:45:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 20:45:09,702 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 20:45:09,802 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 20:45:09,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 20:45:09,921 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 20:45:09,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 20:45:09,927 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-20 20:45:09,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:45:09 BoogieIcfgContainer [2022-09-20 20:45:09,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 20:45:09,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 20:45:09,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 20:45:09,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 20:45:09,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 08:45:09" (1/3) ... [2022-09-20 20:45:09,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d96077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 08:45:09, skipping insertion in model container [2022-09-20 20:45:09,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:09" (2/3) ... [2022-09-20 20:45:09,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d96077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 08:45:09, skipping insertion in model container [2022-09-20 20:45:09,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:45:09" (3/3) ... [2022-09-20 20:45:09,935 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-09-20 20:45:09,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 20:45:09,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 20:45:09,949 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 20:45:10,000 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-20 20:45:10,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-09-20 20:45:10,103 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-09-20 20:45:10,103 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-09-20 20:45:10,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-20 20:45:10,108 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-09-20 20:45:10,112 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-09-20 20:45:10,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 20:45:10,136 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;@7e80fad3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 20:45:10,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-20 20:45:10,164 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2022-09-20 20:45:10,164 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-20 20:45:10,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 20:45:10,165 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] [2022-09-20 20:45:10,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 20:45:10,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 20:45:10,172 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-09-20 20:45:10,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 20:45:10,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716319365] [2022-09-20 20:45:10,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 20:45:10,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 20:45:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-20 20:45:10,355 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-20 20:45:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-20 20:45:10,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-20 20:45:10,433 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-09-20 20:45:10,433 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-09-20 20:45:10,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-09-20 20:45:10,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 20:45:10,436 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-09-20 20:45:10,445 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-20 20:45:10,445 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-20 20:45:10,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 08:45:10 BasicIcfg [2022-09-20 20:45:10,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-20 20:45:10,487 INFO L158 Benchmark]: Toolchain (without parser) took 1432.57ms. Allocated memory is still 194.0MB. Free memory was 136.7MB in the beginning and 118.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB. [2022-09-20 20:45:10,488 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 194.0MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 20:45:10,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.48ms. Allocated memory is still 194.0MB. Free memory was 136.5MB in the beginning and 160.4MB in the end (delta: -23.9MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2022-09-20 20:45:10,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.90ms. Allocated memory is still 194.0MB. Free memory was 160.4MB in the beginning and 158.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-20 20:45:10,491 INFO L158 Benchmark]: Boogie Preprocessor took 26.07ms. Allocated memory is still 194.0MB. Free memory was 158.3MB in the beginning and 157.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-20 20:45:10,494 INFO L158 Benchmark]: RCFGBuilder took 286.05ms. Allocated memory is still 194.0MB. Free memory was 157.3MB in the beginning and 145.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-09-20 20:45:10,495 INFO L158 Benchmark]: TraceAbstraction took 555.34ms. Allocated memory is still 194.0MB. Free memory was 144.7MB in the beginning and 118.9MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-09-20 20:45:10,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 194.0MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 498.48ms. Allocated memory is still 194.0MB. Free memory was 136.5MB in the beginning and 160.4MB in the end (delta: -23.9MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.90ms. Allocated memory is still 194.0MB. Free memory was 160.4MB in the beginning and 158.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.07ms. Allocated memory is still 194.0MB. Free memory was 158.3MB in the beginning and 157.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 286.05ms. Allocated memory is still 194.0MB. Free memory was 157.3MB in the beginning and 145.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 555.34ms. Allocated memory is still 194.0MB. Free memory was 144.7MB in the beginning and 118.9MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. 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={6:0}, 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={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, 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, 87 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=115occurred 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, 42 NumberOfCodeBlocks, 42 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! [2022-09-20 20:45:10,542 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...