/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-3902331-m [2022-09-20 22:37:39,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 22:37:39,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 22:37:39,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 22:37:39,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 22:37:39,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 22:37:39,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 22:37:39,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 22:37:39,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 22:37:39,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 22:37:39,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 22:37:39,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 22:37:39,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 22:37:39,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 22:37:39,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 22:37:39,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 22:37:39,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 22:37:39,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 22:37:39,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 22:37:39,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 22:37:39,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 22:37:39,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 22:37:39,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 22:37:39,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 22:37:39,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-20 22:37:39,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 22:37:39,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 22:37:39,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 22:37:39,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-20 22:37:39,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 22:37:39,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 22:37:39,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 22:37:39,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 22:37:39,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 22:37:39,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 22:37:39,678 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 22:37:39,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 22:37:39,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 22:37:39,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 22:37:39,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 22:37:39,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 22:37:39,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 22:37:39,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 22:37:39,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 22:37:39,684 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 22:37:39,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 22:37:39,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 22:37:39,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 22:37:39,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 22:37:39,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 22:37:39,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 22:37:39,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 22:37:39,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 22:37:39,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 22:37:39,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 22:37:39,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 22:37:39,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 22:37:39,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 22:37:39,687 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 22:37:39,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 22:37:39,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 22:37:39,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 22:37:39,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 22:37:39,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 22:37:39,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 22:37:39,951 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 22:37:39,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-09-20 22:37:40,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2b44d02/1c0e1a4ffb114f4e8ae24e8220b7fcb7/FLAG013e8a35e [2022-09-20 22:37:40,440 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 22:37:40,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-09-20 22:37:40,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2b44d02/1c0e1a4ffb114f4e8ae24e8220b7fcb7/FLAG013e8a35e [2022-09-20 22:37:40,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2b44d02/1c0e1a4ffb114f4e8ae24e8220b7fcb7 [2022-09-20 22:37:40,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 22:37:40,813 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 22:37:40,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 22:37:40,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 22:37:40,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 22:37:40,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:40" (1/1) ... [2022-09-20 22:37:40,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597ec5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:40, skipping insertion in model container [2022-09-20 22:37:40,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:37:40" (1/1) ... [2022-09-20 22:37:40,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 22:37:40,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 22:37:41,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-09-20 22:37:41,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 22:37:41,190 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 22:37:41,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-09-20 22:37:41,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 22:37:41,273 INFO L208 MainTranslator]: Completed translation [2022-09-20 22:37:41,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41 WrapperNode [2022-09-20 22:37:41,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 22:37:41,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 22:37:41,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 22:37:41,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 22:37:41,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,316 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-09-20 22:37:41,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 22:37:41,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 22:37:41,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 22:37:41,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 22:37:41,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 22:37:41,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 22:37:41,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 22:37:41,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 22:37:41,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (1/1) ... [2022-09-20 22:37:41,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 22:37:41,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 22:37:41,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-20 22:37:41,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-20 22:37:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 22:37:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 22:37:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-20 22:37:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 22:37:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 22:37:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-20 22:37:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-20 22:37:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 22:37:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 22:37:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 22:37:41,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 22:37:41,412 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 22:37:41,499 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 22:37:41,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 22:37:41,640 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 22:37:41,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 22:37:41,647 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-20 22:37:41,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:41 BoogieIcfgContainer [2022-09-20 22:37:41,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 22:37:41,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 22:37:41,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 22:37:41,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 22:37:41,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 10:37:40" (1/3) ... [2022-09-20 22:37:41,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138434a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 10:37:41, skipping insertion in model container [2022-09-20 22:37:41,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:37:41" (2/3) ... [2022-09-20 22:37:41,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138434a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 10:37:41, skipping insertion in model container [2022-09-20 22:37:41,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:37:41" (3/3) ... [2022-09-20 22:37:41,658 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-09-20 22:37:41,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 22:37:41,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 22:37:41,675 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 22:37:41,739 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-20 22:37:41,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-09-20 22:37:41,823 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-09-20 22:37:41,823 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-09-20 22:37:41,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-20 22:37:41,833 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-09-20 22:37:41,839 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-09-20 22:37:41,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 22:37:41,871 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f27b6ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 22:37:41,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-20 22:37:41,907 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2022-09-20 22:37:41,908 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-20 22:37:41,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:37:41,909 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 22:37:41,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 22:37:41,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:37:41,914 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-09-20 22:37:41,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:37:41,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180235585] [2022-09-20 22:37:41,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:37:41,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:37:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-20 22:37:42,041 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-20 22:37:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-20 22:37:42,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-20 22:37:42,096 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-09-20 22:37:42,097 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-09-20 22:37:42,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-09-20 22:37:42,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 22:37:42,100 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-09-20 22:37:42,105 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-20 22:37:42,106 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-20 22:37:42,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 10:37:42 BasicIcfg [2022-09-20 22:37:42,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-20 22:37:42,137 INFO L158 Benchmark]: Toolchain (without parser) took 1323.14ms. Allocated memory was 212.9MB in the beginning and 257.9MB in the end (delta: 45.1MB). Free memory was 155.5MB in the beginning and 183.6MB in the end (delta: -28.1MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. [2022-09-20 22:37:42,137 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 212.9MB. Free memory was 173.8MB in the beginning and 173.7MB in the end (delta: 111.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 22:37:42,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.56ms. Allocated memory was 212.9MB in the beginning and 257.9MB in the end (delta: 45.1MB). Free memory was 155.3MB in the beginning and 225.0MB in the end (delta: -69.6MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-09-20 22:37:42,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.65ms. Allocated memory is still 257.9MB. Free memory was 225.0MB in the beginning and 222.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-20 22:37:42,139 INFO L158 Benchmark]: Boogie Preprocessor took 18.91ms. Allocated memory is still 257.9MB. Free memory was 222.9MB in the beginning and 221.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-20 22:37:42,140 INFO L158 Benchmark]: RCFGBuilder took 311.89ms. Allocated memory is still 257.9MB. Free memory was 221.8MB in the beginning and 209.8MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-09-20 22:37:42,140 INFO L158 Benchmark]: TraceAbstraction took 484.40ms. Allocated memory is still 257.9MB. Free memory was 209.2MB in the beginning and 183.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-09-20 22:37:42,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 212.9MB. Free memory was 173.8MB in the beginning and 173.7MB in the end (delta: 111.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.56ms. Allocated memory was 212.9MB in the beginning and 257.9MB in the end (delta: 45.1MB). Free memory was 155.3MB in the beginning and 225.0MB in the end (delta: -69.6MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.65ms. Allocated memory is still 257.9MB. Free memory was 225.0MB in the beginning and 222.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.91ms. Allocated memory is still 257.9MB. Free memory was 222.9MB in the beginning and 221.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 311.89ms. Allocated memory is still 257.9MB. Free memory was 221.8MB in the beginning and 209.8MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 484.40ms. Allocated memory is still 257.9MB. Free memory was 209.2MB in the beginning and 183.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-09-20 22:37:42,176 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...