/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/13-privatized_18-first-reads_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:07:47,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:07:47,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:07:47,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:07:47,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:07:47,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:07:47,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:07:47,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:07:47,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:07:47,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:07:47,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:07:47,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:07:47,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:07:47,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:07:47,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:07:47,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:07:47,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:07:47,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:07:47,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:07:47,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:07:47,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:07:47,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:07:47,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:07:47,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:07:47,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 07:07:47,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:07:47,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:07:47,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:07:47,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:07:47,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:07:47,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:07:47,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:07:47,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:07:47,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:07:47,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:07:47,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:07:47,490 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 07:07:47,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:07:47,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:07:47,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:07:47,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:07:47,520 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:07:47,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:07:47,521 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:07:47,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:07:47,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:07:47,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:07:47,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:07:47,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:07:47,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:07:47,522 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:07:47,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:07:47,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:07:47,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:07:47,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:07:47,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:07:47,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:07:47,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:07:47,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:07:47,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:07:47,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:07:47,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:07:47,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:07:47,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:07:47,523 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:07:47,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:07:47,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:07:47,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:07:47,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:07:47,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:07:47,780 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:07:47,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-12-06 07:07:48,714 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:07:48,875 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:07:48,876 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-12-06 07:07:48,898 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4a59e5c/fab10124c07e46d5ae8e31800e725c9f/FLAGa6d86a1c4 [2022-12-06 07:07:48,910 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4a59e5c/fab10124c07e46d5ae8e31800e725c9f [2022-12-06 07:07:48,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:07:48,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:07:48,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:07:48,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:07:48,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:07:48,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:07:48" (1/1) ... [2022-12-06 07:07:48,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283f09fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:48, skipping insertion in model container [2022-12-06 07:07:48,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:07:48" (1/1) ... [2022-12-06 07:07:48,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:07:48,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:07:49,121 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_18-first-reads_unknown_2_pos.i[1097,1110] [2022-12-06 07:07:49,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:07:49,276 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:07:49,286 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_18-first-reads_unknown_2_pos.i[1097,1110] [2022-12-06 07:07:49,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:07:49,345 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:07:49,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49 WrapperNode [2022-12-06 07:07:49,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:07:49,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:07:49,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:07:49,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:07:49,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,389 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-06 07:07:49,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:07:49,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:07:49,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:07:49,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:07:49,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,418 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:07:49,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:07:49,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:07:49,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:07:49,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (1/1) ... [2022-12-06 07:07:49,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:07:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:07:49,490 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 07:07:49,496 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 07:07:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 07:07:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:07:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 07:07:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:07:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:07:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 07:07:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 07:07:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:07:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:07:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:07:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:07:49,539 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 07:07:49,678 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:07:49,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:07:49,841 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:07:49,845 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:07:49,846 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 07:07:49,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:07:49 BoogieIcfgContainer [2022-12-06 07:07:49,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:07:49,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:07:49,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:07:49,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:07:49,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:07:48" (1/3) ... [2022-12-06 07:07:49,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baf5192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:07:49, skipping insertion in model container [2022-12-06 07:07:49,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:07:49" (2/3) ... [2022-12-06 07:07:49,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baf5192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:07:49, skipping insertion in model container [2022-12-06 07:07:49,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:07:49" (3/3) ... [2022-12-06 07:07:49,854 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2022-12-06 07:07:49,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:07:49,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:07:49,867 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:07:49,925 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 07:07:49,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 58 transitions, 124 flow [2022-12-06 07:07:49,984 INFO L130 PetriNetUnfolder]: 2/57 cut-off events. [2022-12-06 07:07:49,985 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 07:07:49,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 57 events. 2/57 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-06 07:07:49,988 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 58 transitions, 124 flow [2022-12-06 07:07:49,992 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 43 transitions, 89 flow [2022-12-06 07:07:49,993 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:07:50,009 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 43 transitions, 89 flow [2022-12-06 07:07:50,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 43 transitions, 89 flow [2022-12-06 07:07:50,032 INFO L130 PetriNetUnfolder]: 1/43 cut-off events. [2022-12-06 07:07:50,032 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:07:50,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 43 events. 1/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2022-12-06 07:07:50,034 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 43 transitions, 89 flow [2022-12-06 07:07:50,034 INFO L188 LiptonReduction]: Number of co-enabled transitions 180 [2022-12-06 07:07:51,831 INFO L203 LiptonReduction]: Total number of compositions: 39 [2022-12-06 07:07:51,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:07:51,852 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;@6ab443b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:07:51,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 07:07:51,854 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-06 07:07:51,854 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:07:51,854 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:07:51,855 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 07:07:51,855 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 07:07:51,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:07:51,859 INFO L85 PathProgramCache]: Analyzing trace with hash 218122, now seen corresponding path program 1 times [2022-12-06 07:07:51,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:07:51,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709417086] [2022-12-06 07:07:51,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:07:51,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:07:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 07:07:51,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 07:07:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 07:07:52,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 07:07:52,003 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 07:07:52,004 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 07:07:52,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 07:07:52,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-06 07:07:52,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:07:52,006 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 07:07:52,010 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 07:07:52,010 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 07:07:52,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:07:52 BasicIcfg [2022-12-06 07:07:52,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 07:07:52,022 INFO L158 Benchmark]: Toolchain (without parser) took 3109.20ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 149.5MB in the beginning and 191.3MB in the end (delta: -41.8MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. [2022-12-06 07:07:52,023 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 167.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:07:52,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.80ms. Allocated memory is still 190.8MB. Free memory was 149.5MB in the beginning and 130.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 07:07:52,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.27ms. Allocated memory is still 190.8MB. Free memory was 130.5MB in the beginning and 128.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:07:52,024 INFO L158 Benchmark]: Boogie Preprocessor took 30.42ms. Allocated memory is still 190.8MB. Free memory was 128.5MB in the beginning and 127.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 07:07:52,024 INFO L158 Benchmark]: RCFGBuilder took 426.35ms. Allocated memory is still 190.8MB. Free memory was 127.0MB in the beginning and 114.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 07:07:52,024 INFO L158 Benchmark]: TraceAbstraction took 2171.54ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 113.8MB in the beginning and 191.3MB in the end (delta: -77.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:07:52,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 167.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 431.80ms. Allocated memory is still 190.8MB. Free memory was 149.5MB in the beginning and 130.5MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.27ms. Allocated memory is still 190.8MB. Free memory was 130.5MB in the beginning and 128.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.42ms. Allocated memory is still 190.8MB. Free memory was 128.5MB in the beginning and 127.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 426.35ms. Allocated memory is still 190.8MB. Free memory was 127.0MB in the beginning and 114.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2171.54ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 113.8MB in the beginning and 191.3MB in the end (delta: -77.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 46 PlacesBefore, 9 PlacesAfterwards, 43 TransitionsBefore, 5 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 18 ConcurrentYvCompositions, 1 ChoiceCompositions, 39 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108, independent: 107, independent conditional: 107, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 108, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 108, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 108, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 100, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 100, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 108, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 100, unknown conditional: 0, unknown unconditional: 100] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 185, Positive conditional cache size: 0, Positive unconditional cache size: 185, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: 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, 79 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: 2.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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 07:07:52,054 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...