/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:09:18,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:09:18,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:09:18,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:09:18,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:09:18,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:09:18,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:09:18,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:09:18,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:09:18,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:09:18,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:09:18,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:09:18,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:09:18,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:09:18,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:09:18,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:09:18,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:09:18,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:09:18,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:09:18,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:09:18,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:09:18,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:09:18,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:09:18,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:09:18,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 07:09:18,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 07:09:18,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 07:09:18,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 07:09:18,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 07:09:18,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 07:09:18,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:09:18,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:09:18,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:09:18,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:09:18,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:09:18,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:09:18,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:09:18,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:09:18,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:09:18,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:09:18,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:09:18,696 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 07:09:18,714 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:09:18,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:09:18,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:09:18,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:09:18,715 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:09:18,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:09:18,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:09:18,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:09:18,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:09:18,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:09:18,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:09:18,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:09:19,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:09:19,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:09:19,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:09:19,013 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:09:19,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-12-06 07:09:19,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:09:20,173 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:09:20,173 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-12-06 07:09:20,188 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7f9671f/3622487d217b4397839772cbe7fe645a/FLAG0c4a3fb71 [2022-12-06 07:09:20,203 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7f9671f/3622487d217b4397839772cbe7fe645a [2022-12-06 07:09:20,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:09:20,206 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:09:20,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:09:20,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:09:20,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:09:20,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be6de43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20, skipping insertion in model container [2022-12-06 07:09:20,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:09:20,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:09:20,359 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/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2022-12-06 07:09:20,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:09:20,488 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:09:20,497 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/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2022-12-06 07:09:20,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:09:20,560 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:09:20,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20 WrapperNode [2022-12-06 07:09:20,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:09:20,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:09:20,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:09:20,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:09:20,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,601 INFO L138 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-12-06 07:09:20,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:09:20,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:09:20,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:09:20,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:09:20,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:09:20,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:09:20,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:09:20,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:09:20,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (1/1) ... [2022-12-06 07:09:20,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:09:20,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:09:20,650 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 07:09:20,672 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 07:09:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:09:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:09:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:09:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 07:09:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 07:09:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:09:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:09:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:09:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:09:20,688 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 07:09:20,802 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:09:20,803 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:09:20,885 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:09:20,889 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:09:20,889 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 07:09:20,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:09:20 BoogieIcfgContainer [2022-12-06 07:09:20,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:09:20,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:09:20,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:09:20,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:09:20,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:09:20" (1/3) ... [2022-12-06 07:09:20,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ffc4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:09:20, skipping insertion in model container [2022-12-06 07:09:20,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:20" (2/3) ... [2022-12-06 07:09:20,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ffc4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:09:20, skipping insertion in model container [2022-12-06 07:09:20,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:09:20" (3/3) ... [2022-12-06 07:09:20,895 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-12-06 07:09:20,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:09:20,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:09:20,908 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:09:20,938 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 07:09:20,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 37 transitions, 79 flow [2022-12-06 07:09:20,985 INFO L130 PetriNetUnfolder]: 1/36 cut-off events. [2022-12-06 07:09:20,986 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:09:20,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 36 events. 1/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2022-12-06 07:09:20,988 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 37 transitions, 79 flow [2022-12-06 07:09:20,990 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 31 transitions, 65 flow [2022-12-06 07:09:20,992 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:09:21,007 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 31 transitions, 65 flow [2022-12-06 07:09:21,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 31 transitions, 65 flow [2022-12-06 07:09:21,016 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-12-06 07:09:21,016 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:09:21,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 13 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 07:09:21,018 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 31 transitions, 65 flow [2022-12-06 07:09:21,018 INFO L188 LiptonReduction]: Number of co-enabled transitions 126 [2022-12-06 07:09:22,207 INFO L203 LiptonReduction]: Total number of compositions: 27 [2022-12-06 07:09:22,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:09:22,227 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=REPEATED_LIPTON_PN, 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;@156ac3da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:09:22,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 07:09:22,230 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-06 07:09:22,230 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:09:22,231 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:09:22,231 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 07:09:22,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-06 07:09:22,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:09:22,248 INFO L85 PathProgramCache]: Analyzing trace with hash 149104, now seen corresponding path program 1 times [2022-12-06 07:09:22,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:09:22,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780815329] [2022-12-06 07:09:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:22,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:09:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 07:09:22,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 07:09:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 07:09:22,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 07:09:22,402 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 07:09:22,403 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 07:09:22,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 07:09:22,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-06 07:09:22,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:09:22,405 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 07:09:22,410 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 07:09:22,410 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 07:09:22,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:09:22 BasicIcfg [2022-12-06 07:09:22,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 07:09:22,424 INFO L158 Benchmark]: Toolchain (without parser) took 2218.05ms. Allocated memory is still 181.4MB. Free memory was 141.4MB in the beginning and 124.4MB in the end (delta: 17.0MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. [2022-12-06 07:09:22,425 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:09:22,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.35ms. Allocated memory is still 181.4MB. Free memory was 141.4MB in the beginning and 157.7MB in the end (delta: -16.2MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. [2022-12-06 07:09:22,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.73ms. Allocated memory is still 181.4MB. Free memory was 157.7MB in the beginning and 155.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:09:22,429 INFO L158 Benchmark]: Boogie Preprocessor took 24.07ms. Allocated memory is still 181.4MB. Free memory was 155.7MB in the beginning and 154.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 07:09:22,429 INFO L158 Benchmark]: RCFGBuilder took 263.83ms. Allocated memory is still 181.4MB. Free memory was 154.6MB in the beginning and 143.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-06 07:09:22,430 INFO L158 Benchmark]: TraceAbstraction took 1531.42ms. Allocated memory is still 181.4MB. Free memory was 142.6MB in the beginning and 124.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.2MB. Max. memory is 8.0GB. [2022-12-06 07:09:22,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 352.35ms. Allocated memory is still 181.4MB. Free memory was 141.4MB in the beginning and 157.7MB in the end (delta: -16.2MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.73ms. Allocated memory is still 181.4MB. Free memory was 157.7MB in the beginning and 155.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.07ms. Allocated memory is still 181.4MB. Free memory was 155.7MB in the beginning and 154.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 263.83ms. Allocated memory is still 181.4MB. Free memory was 154.6MB in the beginning and 143.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1531.42ms. Allocated memory is still 181.4MB. Free memory was 142.6MB in the beginning and 124.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.2s, 35 PlacesBefore, 8 PlacesAfterwards, 31 TransitionsBefore, 4 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 14 ConcurrentYvCompositions, 0 ChoiceCompositions, 27 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, independent: 62, independent conditional: 62, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 62, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 62, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 62, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L688] 0 int x = 3; [L689] 0 pthread_t id; [L690] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x=3] [L683] 1 int x = __VERIFIER_nondet_int(); [L684] CALL 1 __VERIFIER_assert(!(x == 3)) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 690]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 52 locations, 3 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: 1.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2022-12-06 07:09:22,458 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...