/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_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:46:52,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:46:52,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:46:52,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:46:52,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:46:52,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:46:52,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:46:52,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:46:52,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:46:52,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:46:52,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:46:52,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:46:52,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:46:52,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:46:52,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:46:52,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:46:52,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:46:52,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:46:52,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:46:52,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:46:52,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:46:52,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:46:52,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:46:52,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:46:52,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-05 18:46:52,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 18:46:52,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 18:46:52,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 18:46:52,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 18:46:52,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 18:46:52,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 18:46:52,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 18:46:52,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 18:46:52,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:46:52,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:46:52,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:46:52,878 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 [2022-12-05 18:46:52,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:46:52,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:46:52,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:46:52,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:46:52,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:46:52,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:46:52,905 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:46:52,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:46:52,906 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:46:52,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:46:52,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:46:52,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:46:52,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:46:52,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:46:52,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:46:52,907 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:46:52,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:46:52,907 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:46:52,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:46:52,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:46:52,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:46:52,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:46:52,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:46:52,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:46:53,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:46:53,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:46:53,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:46:53,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:46:53,180 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:46:53,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-12-05 18:46:54,256 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:46:54,517 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:46:54,518 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-12-05 18:46:54,532 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e69aa809/54174c640d3c4a68ad60865a95152d09/FLAG613cbf71a [2022-12-05 18:46:54,543 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e69aa809/54174c640d3c4a68ad60865a95152d09 [2022-12-05 18:46:54,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:46:54,547 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:46:54,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:46:54,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:46:54,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:46:54,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411fb38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54, skipping insertion in model container [2022-12-05 18:46:54,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:46:54,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:46:54,709 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_1_pos.i[1103,1116] [2022-12-05 18:46:54,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:46:54,822 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:46:54,832 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_1_pos.i[1103,1116] [2022-12-05 18:46:54,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:46:54,892 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:46:54,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54 WrapperNode [2022-12-05 18:46:54,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:46:54,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:46:54,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:46:54,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:46:54,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,931 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-05 18:46:54,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:46:54,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:46:54,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:46:54,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:46:54,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:46:54,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:46:54,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:46:54,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:46:54,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (1/1) ... [2022-12-05 18:46:54,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:46:54,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:46:55,019 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) [2022-12-05 18:46:55,022 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 [2022-12-05 18:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 18:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 18:46:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 18:46:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:46:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:46:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:46:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:46:55,069 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 18:46:55,256 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:46:55,271 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:46:55,482 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:46:55,486 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:46:55,486 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 18:46:55,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:46:55 BoogieIcfgContainer [2022-12-05 18:46:55,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:46:55,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:46:55,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:46:55,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:46:55,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:46:54" (1/3) ... [2022-12-05 18:46:55,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bdbebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:46:55, skipping insertion in model container [2022-12-05 18:46:55,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:54" (2/3) ... [2022-12-05 18:46:55,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bdbebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:46:55, skipping insertion in model container [2022-12-05 18:46:55,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:46:55" (3/3) ... [2022-12-05 18:46:55,493 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-12-05 18:46:55,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:46:55,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 18:46:55,506 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:46:55,545 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-05 18:46:55,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-05 18:46:55,613 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-05 18:46:55,614 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 18:46:55,616 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. [2022-12-05 18:46:55,617 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-05 18:46:55,619 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-05 18:46:55,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:46:55,633 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;@64cd109c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:46:55,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-05 18:46:55,643 INFO L130 PetriNetUnfolder]: 0/45 cut-off events. [2022-12-05 18:46:55,644 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 18:46:55,644 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:55,644 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] [2022-12-05 18:46:55,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 18:46:55,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:55,649 INFO L85 PathProgramCache]: Analyzing trace with hash 105341448, now seen corresponding path program 1 times [2022-12-05 18:46:55,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:55,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842329643] [2022-12-05 18:46:55,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:46:56,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:56,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842329643] [2022-12-05 18:46:56,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842329643] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:56,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:56,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 18:46:56,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268585024] [2022-12-05 18:46:56,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:56,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 18:46:56,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:56,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 18:46:56,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-05 18:46:56,177 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 65 [2022-12-05 18:46:56,179 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) [2022-12-05 18:46:56,179 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:56,179 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 65 [2022-12-05 18:46:56,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:56,274 INFO L130 PetriNetUnfolder]: 8/95 cut-off events. [2022-12-05 18:46:56,274 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 18:46:56,275 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. [2022-12-05 18:46:56,277 INFO L137 encePairwiseOnDemand]: 59/65 looper letters, 8 selfloop transitions, 3 changer transitions 9/64 dead transitions. [2022-12-05 18:46:56,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 64 transitions, 171 flow [2022-12-05 18:46:56,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-05 18:46:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-05 18:46:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 393 transitions. [2022-12-05 18:46:56,291 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8637362637362638 [2022-12-05 18:46:56,293 INFO L175 Difference]: Start difference. First operand has 56 places, 52 transitions, 107 flow. Second operand 7 states and 393 transitions. [2022-12-05 18:46:56,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 64 transitions, 171 flow [2022-12-05 18:46:56,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 64 transitions, 170 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 18:46:56,300 INFO L231 Difference]: Finished difference. Result has 66 places, 52 transitions, 125 flow [2022-12-05 18:46:56,301 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=125, PETRI_PLACES=66, PETRI_TRANSITIONS=52} [2022-12-05 18:46:56,305 INFO L294 CegarLoopForPetriNet]: 56 programPoint places, 10 predicate places. [2022-12-05 18:46:56,305 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 52 transitions, 125 flow [2022-12-05 18:46:56,306 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) [2022-12-05 18:46:56,306 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:56,306 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] [2022-12-05 18:46:56,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:46:56,306 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 18:46:56,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:56,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1870291707, now seen corresponding path program 1 times [2022-12-05 18:46:56,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:56,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138123314] [2022-12-05 18:46:56,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:56,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:46:56,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:56,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138123314] [2022-12-05 18:46:56,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138123314] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:56,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:56,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 18:46:56,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98414695] [2022-12-05 18:46:56,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:56,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 18:46:56,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:56,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 18:46:56,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 18:46:56,414 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 65 [2022-12-05 18:46:56,415 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 52 transitions, 125 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) [2022-12-05 18:46:56,415 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:56,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 65 [2022-12-05 18:46:56,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:56,465 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-05 18:46:56,466 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-05 18:46:56,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 64 events. 1/64 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 4/68 useless extension candidates. Maximal degree in co-relation 91. Up to 13 conditions per place. [2022-12-05 18:46:56,466 INFO L137 encePairwiseOnDemand]: 59/65 looper letters, 8 selfloop transitions, 3 changer transitions 9/54 dead transitions. [2022-12-05 18:46:56,466 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 54 transitions, 161 flow [2022-12-05 18:46:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 18:46:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 18:46:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2022-12-05 18:46:56,470 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205 [2022-12-05 18:46:56,471 INFO L175 Difference]: Start difference. First operand has 66 places, 52 transitions, 125 flow. Second operand 3 states and 160 transitions. [2022-12-05 18:46:56,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 54 transitions, 161 flow [2022-12-05 18:46:56,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 54 transitions, 147 flow, removed 4 selfloop flow, removed 6 redundant places. [2022-12-05 18:46:56,473 INFO L231 Difference]: Finished difference. Result has 58 places, 45 transitions, 102 flow [2022-12-05 18:46:56,473 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=58, PETRI_TRANSITIONS=45} [2022-12-05 18:46:56,474 INFO L294 CegarLoopForPetriNet]: 56 programPoint places, 2 predicate places. [2022-12-05 18:46:56,474 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 45 transitions, 102 flow [2022-12-05 18:46:56,474 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) [2022-12-05 18:46:56,474 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:56,474 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] [2022-12-05 18:46:56,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 18:46:56,475 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 18:46:56,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:56,475 INFO L85 PathProgramCache]: Analyzing trace with hash 2063616206, now seen corresponding path program 1 times [2022-12-05 18:46:56,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:56,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458456911] [2022-12-05 18:46:56,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 18:46:56,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 18:46:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 18:46:56,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 18:46:56,536 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 18:46:56,537 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-05 18:46:56,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-05 18:46:56,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 18:46:56,540 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-05 18:46:56,547 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 18:46:56,548 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 18:46:56,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 06:46:56 BasicIcfg [2022-12-05 18:46:56,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 18:46:56,592 INFO L158 Benchmark]: Toolchain (without parser) took 2044.91ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 145.9MB in the beginning and 124.6MB in the end (delta: 21.3MB). Peak memory consumption was 56.0MB. Max. memory is 8.0GB. [2022-12-05 18:46:56,592 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 170.9MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:46:56,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.53ms. Allocated memory is still 170.9MB. Free memory was 145.5MB in the beginning and 126.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 18:46:56,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.17ms. Allocated memory is still 170.9MB. Free memory was 126.7MB in the beginning and 124.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 18:46:56,593 INFO L158 Benchmark]: Boogie Preprocessor took 26.55ms. Allocated memory is still 170.9MB. Free memory was 124.8MB in the beginning and 123.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 18:46:56,593 INFO L158 Benchmark]: RCFGBuilder took 528.61ms. Allocated memory is still 170.9MB. Free memory was 123.5MB in the beginning and 110.5MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-05 18:46:56,593 INFO L158 Benchmark]: TraceAbstraction took 1101.99ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 109.9MB in the beginning and 124.6MB in the end (delta: -14.8MB). Peak memory consumption was 20.4MB. Max. memory is 8.0GB. [2022-12-05 18:46:56,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 170.9MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 345.53ms. Allocated memory is still 170.9MB. Free memory was 145.5MB in the beginning and 126.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.17ms. Allocated memory is still 170.9MB. Free memory was 126.7MB in the beginning and 124.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.55ms. Allocated memory is still 170.9MB. Free memory was 124.8MB in the beginning and 123.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 528.61ms. Allocated memory is still 170.9MB. Free memory was 123.5MB in the beginning and 110.5MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1101.99ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 109.9MB in the beginning and 124.6MB in the end (delta: -14.8MB). Peak memory consumption was 20.4MB. 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 == 0) [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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, 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=125occurred 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, 0.1s 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! [2022-12-05 18:46:56,613 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...