/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:58:56,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:58:56,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:58:56,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-12-06 04:58:56,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:58:56,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:58:56,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:58:56,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:58:56,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:58:56,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:58:56,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:58:56,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:58:56,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:58:56,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:58:56,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:58:56,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:58:56,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:58:56,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:58:56,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:58:56,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:58:56,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:58:56,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:58:56,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:58:56,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:58:56,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:58:56,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:58:56,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:58:56,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:58:56,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:58:56,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:58:56,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:58:56,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:58:56,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:58:56,429 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:58:56,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:58:56,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:58:56,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:58:56,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:58:56,463 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:58:56,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:58:56,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:58:56,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:58:56,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:58:56,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:58:56,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:58:56,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:58:56,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:58:56,466 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:58:56,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:58:56,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:58:56,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:58:56,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:58:56,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:58:56,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:58:56,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:58:56,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:58:56,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:58:56,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:58:56,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:58:56,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:58:56,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:58:56,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:58:56,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:58:56,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:58:56,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:58:56,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:58:56,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:58:56,834 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:58:56,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-12-06 04:58:58,078 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:58:58,382 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:58:58,383 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-12-06 04:58:58,402 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed861e33a/a8ae45018d384be5aca11968ecfb3a8f/FLAG2da7f7101 [2022-12-06 04:58:58,421 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed861e33a/a8ae45018d384be5aca11968ecfb3a8f [2022-12-06 04:58:58,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:58:58,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:58:58,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:58:58,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:58:58,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:58:58,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:58" (1/1) ... [2022-12-06 04:58:58,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e23217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:58, skipping insertion in model container [2022-12-06 04:58:58,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:58" (1/1) ... [2022-12-06 04:58:58,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:58:58,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:58:58,663 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_67-pthread_cond_wait_true.i[1094,1107] [2022-12-06 04:58:59,014 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-06 04:58:59,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:58:59,028 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:58:59,039 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_67-pthread_cond_wait_true.i[1094,1107] [2022-12-06 04:58:59,067 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-06 04:58:59,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:58:59,147 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:58:59,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59 WrapperNode [2022-12-06 04:58:59,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:58:59,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:58:59,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:58:59,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:58:59,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,217 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-12-06 04:58:59,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:58:59,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:58:59,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:58:59,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:58:59,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,272 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:58:59,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:58:59,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:58:59,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:58:59,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (1/1) ... [2022-12-06 04:58:59,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:58:59,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:58:59,316 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 04:58:59,329 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 04:58:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-06 04:58:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-06 04:58:59,364 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-06 04:58:59,364 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:58:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:58:59,366 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 04:58:59,683 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:58:59,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:58:59,831 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:58:59,838 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:58:59,838 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:58:59,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:58:59 BoogieIcfgContainer [2022-12-06 04:58:59,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:58:59,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:58:59,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:58:59,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:58:59,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:58:58" (1/3) ... [2022-12-06 04:58:59,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e102f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:58:59, skipping insertion in model container [2022-12-06 04:58:59,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:59" (2/3) ... [2022-12-06 04:58:59,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e102f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:58:59, skipping insertion in model container [2022-12-06 04:58:59,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:58:59" (3/3) ... [2022-12-06 04:58:59,847 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-12-06 04:58:59,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:58:59,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:58:59,863 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:58:59,912 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 04:58:59,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2022-12-06 04:58:59,994 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2022-12-06 04:58:59,995 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:58:59,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 86 events. 1/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2022-12-06 04:58:59,999 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2022-12-06 04:59:00,002 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 66 transitions, 138 flow [2022-12-06 04:59:00,004 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:59:00,028 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 66 transitions, 138 flow [2022-12-06 04:59:00,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 66 transitions, 138 flow [2022-12-06 04:59:00,053 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-12-06 04:59:00,053 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:59:00,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 04:59:00,055 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 66 transitions, 138 flow [2022-12-06 04:59:00,055 INFO L188 LiptonReduction]: Number of co-enabled transitions 474 [2022-12-06 04:59:03,387 INFO L203 LiptonReduction]: Total number of compositions: 53 [2022-12-06 04:59:03,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:59:03,404 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;@43ac8b4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:59:03,404 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 04:59:03,408 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-06 04:59:03,408 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:59:03,408 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:59:03,408 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:59:03,409 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 04:59:03,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:59:03,413 INFO L85 PathProgramCache]: Analyzing trace with hash 813012681, now seen corresponding path program 1 times [2022-12-06 04:59:03,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:59:03,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623818162] [2022-12-06 04:59:03,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:59:03,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:59:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:59:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:59:03,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:59:03,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623818162] [2022-12-06 04:59:03,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623818162] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:59:03,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:59:03,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:59:03,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359058315] [2022-12-06 04:59:03,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:59:03,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:59:03,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:59:03,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:59:03,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:59:03,830 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 14 [2022-12-06 04:59:03,831 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 14 transitions, 34 flow. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:59:03,832 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:59:03,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 14 [2022-12-06 04:59:03,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:59:03,893 INFO L130 PetriNetUnfolder]: 31/92 cut-off events. [2022-12-06 04:59:03,893 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:59:03,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 92 events. 31/92 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 336 event pairs, 21 based on Foata normal form. 10/102 useless extension candidates. Maximal degree in co-relation 164. Up to 51 conditions per place. [2022-12-06 04:59:03,895 INFO L137 encePairwiseOnDemand]: 11/14 looper letters, 13 selfloop transitions, 2 changer transitions 2/20 dead transitions. [2022-12-06 04:59:03,895 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 20 transitions, 83 flow [2022-12-06 04:59:03,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:59:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:59:03,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-12-06 04:59:03,905 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2022-12-06 04:59:03,906 INFO L175 Difference]: Start difference. First operand has 21 places, 14 transitions, 34 flow. Second operand 3 states and 27 transitions. [2022-12-06 04:59:03,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 20 transitions, 83 flow [2022-12-06 04:59:03,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:59:03,910 INFO L231 Difference]: Finished difference. Result has 22 places, 14 transitions, 40 flow [2022-12-06 04:59:03,912 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=22, PETRI_TRANSITIONS=14} [2022-12-06 04:59:03,915 INFO L294 CegarLoopForPetriNet]: 21 programPoint places, 1 predicate places. [2022-12-06 04:59:03,915 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:59:03,916 INFO L89 Accepts]: Start accepts. Operand has 22 places, 14 transitions, 40 flow [2022-12-06 04:59:03,918 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:59:03,918 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:59:03,919 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 14 transitions, 40 flow [2022-12-06 04:59:03,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 22 places, 14 transitions, 40 flow [2022-12-06 04:59:03,924 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-12-06 04:59:03,925 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:59:03,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 14 events. 0/14 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 15 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 04:59:03,925 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 14 transitions, 40 flow [2022-12-06 04:59:03,925 INFO L188 LiptonReduction]: Number of co-enabled transitions 60 [2022-12-06 04:59:03,976 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:59:03,977 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 62 [2022-12-06 04:59:03,977 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 13 transitions, 38 flow [2022-12-06 04:59:03,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:59:03,978 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:59:03,978 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:59:03,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:59:03,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 04:59:03,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:59:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1640477973, now seen corresponding path program 1 times [2022-12-06 04:59:03,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:59:03,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669060894] [2022-12-06 04:59:03,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:59:03,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:59:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:59:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:59:04,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:59:04,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669060894] [2022-12-06 04:59:04,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669060894] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:59:04,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:59:04,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:59:04,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484820876] [2022-12-06 04:59:04,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:59:04,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:59:04,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:59:04,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:59:04,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:59:04,081 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 13 [2022-12-06 04:59:04,081 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 13 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:59:04,082 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:59:04,082 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 13 [2022-12-06 04:59:04,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:59:04,124 INFO L130 PetriNetUnfolder]: 15/46 cut-off events. [2022-12-06 04:59:04,124 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-06 04:59:04,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 46 events. 15/46 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 98 event pairs, 4 based on Foata normal form. 10/56 useless extension candidates. Maximal degree in co-relation 104. Up to 29 conditions per place. [2022-12-06 04:59:04,125 INFO L137 encePairwiseOnDemand]: 8/13 looper letters, 10 selfloop transitions, 5 changer transitions 0/16 dead transitions. [2022-12-06 04:59:04,125 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 16 transitions, 76 flow [2022-12-06 04:59:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:59:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:59:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2022-12-06 04:59:04,128 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5384615384615384 [2022-12-06 04:59:04,128 INFO L175 Difference]: Start difference. First operand has 21 places, 13 transitions, 38 flow. Second operand 3 states and 21 transitions. [2022-12-06 04:59:04,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 16 transitions, 76 flow [2022-12-06 04:59:04,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 16 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:59:04,130 INFO L231 Difference]: Finished difference. Result has 22 places, 13 transitions, 46 flow [2022-12-06 04:59:04,130 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=13, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=22, PETRI_TRANSITIONS=13} [2022-12-06 04:59:04,131 INFO L294 CegarLoopForPetriNet]: 21 programPoint places, 1 predicate places. [2022-12-06 04:59:04,132 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:59:04,132 INFO L89 Accepts]: Start accepts. Operand has 22 places, 13 transitions, 46 flow [2022-12-06 04:59:04,133 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:59:04,133 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:59:04,133 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 13 transitions, 46 flow [2022-12-06 04:59:04,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 22 places, 13 transitions, 46 flow [2022-12-06 04:59:04,139 INFO L130 PetriNetUnfolder]: 0/15 cut-off events. [2022-12-06 04:59:04,139 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:59:04,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 15 events. 0/15 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 15 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2022-12-06 04:59:04,140 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 13 transitions, 46 flow [2022-12-06 04:59:04,140 INFO L188 LiptonReduction]: Number of co-enabled transitions 34 [2022-12-06 04:59:04,209 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [266] $Ultimate##0-->L1357-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_167| |v_~#mut~0.base_91|))) (and (= v_~g~0_52 1) (= (select .cse0 |v_~#mut~0.offset_91|) 0) (= |v_f1Thread1of1ForFork0_~ptr#1.base_17| |v_f1Thread1of1ForFork0_#in~ptr#1.base_17|) (= |v_#pthreadsMutex_165| (store |v_#pthreadsMutex_167| |v_~#mut~0.base_91| (store .cse0 |v_~#mut~0.offset_91| 0))) (= |v_f1Thread1of1ForFork0_~ptr#1.offset_17| |v_f1Thread1of1ForFork0_#in~ptr#1.offset_17|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_167|, ~#mut~0.base=|v_~#mut~0.base_91|, ~#mut~0.offset=|v_~#mut~0.offset_91|, f1Thread1of1ForFork0_#in~ptr#1.base=|v_f1Thread1of1ForFork0_#in~ptr#1.base_17|, f1Thread1of1ForFork0_#in~ptr#1.offset=|v_f1Thread1of1ForFork0_#in~ptr#1.offset_17|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_165|, ~#mut~0.base=|v_~#mut~0.base_91|, ~g~0=v_~g~0_52, f1Thread1of1ForFork0_#t~nondet4#1=|v_f1Thread1of1ForFork0_#t~nondet4#1_31|, ~#mut~0.offset=|v_~#mut~0.offset_91|, f1Thread1of1ForFork0_~ptr#1.offset=|v_f1Thread1of1ForFork0_~ptr#1.offset_17|, f1Thread1of1ForFork0_#in~ptr#1.base=|v_f1Thread1of1ForFork0_#in~ptr#1.base_17|, f1Thread1of1ForFork0_~ptr#1.base=|v_f1Thread1of1ForFork0_~ptr#1.base_17|, f1Thread1of1ForFork0_#in~ptr#1.offset=|v_f1Thread1of1ForFork0_#in~ptr#1.offset_17|} AuxVars[] AssignedVars[#pthreadsMutex, ~g~0, f1Thread1of1ForFork0_#t~nondet4#1, f1Thread1of1ForFork0_~ptr#1.offset, f1Thread1of1ForFork0_~ptr#1.base] and [267] $Ultimate##0-->L1368: Formula: (let ((.cse0 (select |v_#pthreadsMutex_172| |v_~#mut~0.base_93|))) (and (= (select .cse0 |v_~#mut~0.offset_93|) 0) (= v_f2Thread1of1ForFork1_~ptr.base_29 |v_f2Thread1of1ForFork1_#in~ptr.base_29|) (= v_~g~0_54 0) (= (store |v_#pthreadsMutex_172| |v_~#mut~0.base_93| (store .cse0 |v_~#mut~0.offset_93| 1)) |v_#pthreadsMutex_171|) (= v_f2Thread1of1ForFork1_~ptr.offset_29 |v_f2Thread1of1ForFork1_#in~ptr.offset_29|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_172|, ~#mut~0.base=|v_~#mut~0.base_93|, f2Thread1of1ForFork1_#in~ptr.offset=|v_f2Thread1of1ForFork1_#in~ptr.offset_29|, ~#mut~0.offset=|v_~#mut~0.offset_93|, f2Thread1of1ForFork1_#in~ptr.base=|v_f2Thread1of1ForFork1_#in~ptr.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_171|, ~#mut~0.base=|v_~#mut~0.base_93|, f2Thread1of1ForFork1_#in~ptr.offset=|v_f2Thread1of1ForFork1_#in~ptr.offset_29|, f2Thread1of1ForFork1_#t~nondet7=|v_f2Thread1of1ForFork1_#t~nondet7_47|, ~g~0=v_~g~0_54, ~#mut~0.offset=|v_~#mut~0.offset_93|, f2Thread1of1ForFork1_~ptr.base=v_f2Thread1of1ForFork1_~ptr.base_29, f2Thread1of1ForFork1_#in~ptr.base=|v_f2Thread1of1ForFork1_#in~ptr.base_29|, f2Thread1of1ForFork1_~ptr.offset=v_f2Thread1of1ForFork1_~ptr.offset_29} AuxVars[] AssignedVars[#pthreadsMutex, f2Thread1of1ForFork1_#t~nondet7, ~g~0, f2Thread1of1ForFork1_~ptr.base, f2Thread1of1ForFork1_~ptr.offset] [2022-12-06 04:59:04,361 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [269] $Ultimate##0-->f2EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_183| |v_~#mut~0.base_97|))) (and (= v_~g~0_60 0) (= |v_f1Thread1of1ForFork0_~ptr#1.base_21| |v_f1Thread1of1ForFork0_#in~ptr#1.base_21|) (= v_f2Thread1of1ForFork1_~ptr.base_33 |v_f2Thread1of1ForFork1_#in~ptr.base_33|) (= v_f2Thread1of1ForFork1_~ptr.offset_33 |v_f2Thread1of1ForFork1_#in~ptr.offset_33|) (= |v_f2Thread1of1ForFork1_#res.base_27| 0) (= |v_#pthreadsMutex_181| (store |v_#pthreadsMutex_183| |v_~#mut~0.base_97| (store .cse0 |v_~#mut~0.offset_97| 0))) (= (select .cse0 |v_~#mut~0.offset_97|) 0) (= |v_f2Thread1of1ForFork1_#res.offset_27| 0) (= |v_f1Thread1of1ForFork0_~ptr#1.offset_21| |v_f1Thread1of1ForFork0_#in~ptr#1.offset_21|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_183|, ~#mut~0.base=|v_~#mut~0.base_97|, f2Thread1of1ForFork1_#in~ptr.offset=|v_f2Thread1of1ForFork1_#in~ptr.offset_33|, ~#mut~0.offset=|v_~#mut~0.offset_97|, f1Thread1of1ForFork0_#in~ptr#1.base=|v_f1Thread1of1ForFork0_#in~ptr#1.base_21|, f2Thread1of1ForFork1_#in~ptr.base=|v_f2Thread1of1ForFork1_#in~ptr.base_33|, f1Thread1of1ForFork0_#in~ptr#1.offset=|v_f1Thread1of1ForFork0_#in~ptr#1.offset_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, f2Thread1of1ForFork1_#t~nondet7=|v_f2Thread1of1ForFork1_#t~nondet7_53|, ~g~0=v_~g~0_60, ~#mut~0.offset=|v_~#mut~0.offset_97|, f2Thread1of1ForFork1_#res.offset=|v_f2Thread1of1ForFork1_#res.offset_27|, f2Thread1of1ForFork1_~ptr.offset=v_f2Thread1of1ForFork1_~ptr.offset_33, f1Thread1of1ForFork0_~ptr#1.base=|v_f1Thread1of1ForFork0_~ptr#1.base_21|, ~#mut~0.base=|v_~#mut~0.base_97|, f2Thread1of1ForFork1_#in~ptr.offset=|v_f2Thread1of1ForFork1_#in~ptr.offset_33|, f1Thread1of1ForFork0_#t~nondet4#1=|v_f1Thread1of1ForFork0_#t~nondet4#1_35|, f2Thread1of1ForFork1_#res.base=|v_f2Thread1of1ForFork1_#res.base_27|, f2Thread1of1ForFork1_~ptr.base=v_f2Thread1of1ForFork1_~ptr.base_33, f1Thread1of1ForFork0_~ptr#1.offset=|v_f1Thread1of1ForFork0_~ptr#1.offset_21|, f1Thread1of1ForFork0_#in~ptr#1.base=|v_f1Thread1of1ForFork0_#in~ptr#1.base_21|, f2Thread1of1ForFork1_#in~ptr.base=|v_f2Thread1of1ForFork1_#in~ptr.base_33|, f1Thread1of1ForFork0_#in~ptr#1.offset=|v_f1Thread1of1ForFork0_#in~ptr#1.offset_21|} AuxVars[] AssignedVars[#pthreadsMutex, f2Thread1of1ForFork1_#t~nondet7, ~g~0, f1Thread1of1ForFork0_#t~nondet4#1, f2Thread1of1ForFork1_#res.base, f2Thread1of1ForFork1_~ptr.base, f1Thread1of1ForFork0_~ptr#1.offset, f2Thread1of1ForFork1_#res.offset, f2Thread1of1ForFork1_~ptr.offset, f1Thread1of1ForFork0_~ptr#1.base] and [184] L1357-1-->L1357-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_4| |v_~#mut~0.base_8|))) (and (= |v_#pthreadsMutex_3| (store |v_#pthreadsMutex_4| |v_~#mut~0.base_8| (store .cse0 |v_~#mut~0.offset_8| 1))) (= (select .cse0 |v_~#mut~0.offset_8|) 0) (= |v_f1Thread1of1ForFork0_#t~nondet5#1_1| 0))) InVars {~#mut~0.offset=|v_~#mut~0.offset_8|, #pthreadsMutex=|v_#pthreadsMutex_4|, ~#mut~0.base=|v_~#mut~0.base_8|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_8|, #pthreadsMutex=|v_#pthreadsMutex_3|, ~#mut~0.base=|v_~#mut~0.base_8|, f1Thread1of1ForFork0_#t~nondet5#1=|v_f1Thread1of1ForFork0_#t~nondet5#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, f1Thread1of1ForFork0_#t~nondet5#1] [2022-12-06 04:59:04,609 INFO L203 LiptonReduction]: Total number of compositions: 6 [2022-12-06 04:59:04,610 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 478 [2022-12-06 04:59:04,610 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 9 transitions, 36 flow [2022-12-06 04:59:04,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:59:04,611 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:59:04,611 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 04:59:04,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:59:04,611 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 04:59:04,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:59:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash 277938521, now seen corresponding path program 1 times [2022-12-06 04:59:04,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:59:04,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995235699] [2022-12-06 04:59:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:59:04,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:59:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:59:04,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 04:59:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:59:04,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 04:59:04,688 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 04:59:04,689 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 04:59:04,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 04:59:04,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 04:59:04,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 04:59:04,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:59:04,698 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 04:59:04,703 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:59:04,703 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:59:04,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:59:04 BasicIcfg [2022-12-06 04:59:04,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:59:04,724 INFO L158 Benchmark]: Toolchain (without parser) took 6299.31ms. Allocated memory was 183.5MB in the beginning and 248.5MB in the end (delta: 65.0MB). Free memory was 157.1MB in the beginning and 94.8MB in the end (delta: 62.3MB). Peak memory consumption was 128.3MB. Max. memory is 8.0GB. [2022-12-06 04:59:04,724 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:59:04,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.26ms. Allocated memory is still 183.5MB. Free memory was 157.1MB in the beginning and 119.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-12-06 04:59:04,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.47ms. Allocated memory is still 183.5MB. Free memory was 119.3MB in the beginning and 116.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 04:59:04,725 INFO L158 Benchmark]: Boogie Preprocessor took 60.48ms. Allocated memory is still 183.5MB. Free memory was 116.2MB in the beginning and 114.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:59:04,725 INFO L158 Benchmark]: RCFGBuilder took 560.53ms. Allocated memory is still 183.5MB. Free memory was 114.1MB in the beginning and 94.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 04:59:04,726 INFO L158 Benchmark]: TraceAbstraction took 4881.39ms. Allocated memory was 183.5MB in the beginning and 248.5MB in the end (delta: 65.0MB). Free memory was 94.2MB in the beginning and 94.8MB in the end (delta: -663.5kB). Peak memory consumption was 65.4MB. Max. memory is 8.0GB. [2022-12-06 04:59:04,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 721.26ms. Allocated memory is still 183.5MB. Free memory was 157.1MB in the beginning and 119.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.47ms. Allocated memory is still 183.5MB. Free memory was 119.3MB in the beginning and 116.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.48ms. Allocated memory is still 183.5MB. Free memory was 116.2MB in the beginning and 114.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 560.53ms. Allocated memory is still 183.5MB. Free memory was 114.1MB in the beginning and 94.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 4881.39ms. Allocated memory was 183.5MB in the beginning and 248.5MB in the end (delta: 65.0MB). Free memory was 94.2MB in the beginning and 94.8MB in the end (delta: -663.5kB). Peak memory consumption was 65.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 73 PlacesBefore, 21 PlacesAfterwards, 66 TransitionsBefore, 14 TransitionsAfterwards, 474 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 19 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 333, independent: 305, independent conditional: 305, independent unconditional: 0, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 333, independent: 305, independent conditional: 0, independent unconditional: 305, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 333, independent: 305, independent conditional: 0, independent unconditional: 305, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 333, independent: 305, independent conditional: 0, independent unconditional: 305, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 285, independent: 271, independent conditional: 0, independent unconditional: 271, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 285, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 333, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 285, unknown conditional: 0, unknown unconditional: 285] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 384, Positive conditional cache size: 0, Positive unconditional cache size: 384, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 22 PlacesBefore, 21 PlacesAfterwards, 14 TransitionsBefore, 13 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65, independent: 53, independent conditional: 53, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 65, independent: 53, independent conditional: 4, independent unconditional: 49, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 65, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 65, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 34, unknown conditional: 0, unknown unconditional: 34] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5s, 22 PlacesBefore, 18 PlacesAfterwards, 13 TransitionsBefore, 9 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, independent: 19, independent conditional: 19, 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: 19, independent: 19, independent conditional: 0, independent unconditional: 19, 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: 19, independent: 19, independent conditional: 0, independent unconditional: 19, 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: 19, independent: 19, independent conditional: 0, independent unconditional: 19, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 19, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1150:1151}, argv={1150:1151}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-2, t1={6:0}, t2={5:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1150:1151}, argv={1150:1151}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=-1, ptr={0:0}, t1={6:0}, t2={5:0}] [L1356] 1 g = 1 [L1366] 1 g = 0 [L1369] 1 return ((void *)0); [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, \result={0:0}, cond=0, cond={4:0}, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: 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. - UnprovableResult [Line: 1377]: 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 5 procedures, 118 locations, 4 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: 4.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-06 04:59:04,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...