/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:46:51,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:46:51,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:46:51,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:46:51,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:46:51,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:46:51,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:46:51,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:46:51,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:46:51,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:46:51,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:46:51,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:46:51,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:46:51,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:46:51,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:46:51,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:46:51,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:46:51,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:46:51,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:46:51,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:46:51,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:46:51,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:46:51,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:46:51,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:46:51,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-05 18:46:51,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:46:51,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:46:51,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:46:51,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-05 18:46:51,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:46:51,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:46:51,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:46:51,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:46:51,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:46:51,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:46:51,727 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:46:51,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:46:51,727 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:46:51,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:46:51,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:46:51,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:46:51,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:46:51,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:46:51,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:46:51,728 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:46:51,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:46:51,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:46:51,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:46:51,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:46:51,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:46:51,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:46:51,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:46:51,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:46:51,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:46:51,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:46:51,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:46:51,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:46:51,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:46:51,731 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:46:51,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:46:51,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:46:52,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:46:52,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:46:52,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:46:52,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:46:52,079 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:46:52,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-05 18:46:52,999 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:46:53,244 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:46:53,244 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-05 18:46:53,252 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3acf62b48/52973dc975f44736ae7a1633df44ede1/FLAG241703485 [2022-12-05 18:46:53,263 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3acf62b48/52973dc975f44736ae7a1633df44ede1 [2022-12-05 18:46:53,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:46:53,266 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:46:53,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:46:53,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:46:53,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:46:53,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44be0248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53, skipping insertion in model container [2022-12-05 18:46:53,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:46:53,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:46:53,447 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-12-05 18:46:53,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:46:53,586 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:46:53,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-12-05 18:46:53,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:46:53,655 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:46:53,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53 WrapperNode [2022-12-05 18:46:53,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:46:53,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:46:53,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:46:53,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:46:53,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,703 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-05 18:46:53,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:46:53,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:46:53,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:46:53,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:46:53,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:46:53,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:46:53,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:46:53,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:46:53,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (1/1) ... [2022-12-05 18:46:53,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:46:53,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:46:53,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 18:46:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:46:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:46:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 18:46:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:46:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:46:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 18:46:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 18:46:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:46:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:46:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:46:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:46:53,808 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 18:46:53,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 18:46:53,904 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:46:53,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:46:54,021 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:46:54,025 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:46:54,025 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 18:46:54,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:46:54 BoogieIcfgContainer [2022-12-05 18:46:54,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:46:54,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:46:54,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:46:54,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:46:54,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:46:53" (1/3) ... [2022-12-05 18:46:54,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a701ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:46:54, skipping insertion in model container [2022-12-05 18:46:54,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:53" (2/3) ... [2022-12-05 18:46:54,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a701ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:46:54, skipping insertion in model container [2022-12-05 18:46:54,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:46:54" (3/3) ... [2022-12-05 18:46:54,035 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-12-05 18:46:54,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:46:54,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 18:46:54,047 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:46:54,082 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-05 18:46:54,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2022-12-05 18:46:54,153 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-05 18:46:54,153 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 18:46:54,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 1/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-05 18:46:54,156 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2022-12-05 18:46:54,158 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-05 18:46:54,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:46:54,168 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;@3744240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:46:54,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-05 18:46:54,180 INFO L130 PetriNetUnfolder]: 0/45 cut-off events. [2022-12-05 18:46:54,180 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 18:46:54,180 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:54,181 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:46:54,181 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 18:46:54,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:54,185 INFO L85 PathProgramCache]: Analyzing trace with hash 105341448, now seen corresponding path program 1 times [2022-12-05 18:46:54,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:54,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185885501] [2022-12-05 18:46:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 18:46:54,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 18:46:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 18:46:54,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 18:46:54,355 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 18:46:54,355 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-05 18:46:54,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-05 18:46:54,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:46:54,357 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-05 18:46:54,361 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 18:46:54,361 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 18:46:54,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 06:46:54 BasicIcfg [2022-12-05 18:46:54,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 18:46:54,381 INFO L158 Benchmark]: Toolchain (without parser) took 1114.50ms. Allocated memory is still 188.7MB. Free memory was 166.3MB in the beginning and 134.8MB in the end (delta: 31.5MB). Peak memory consumption was 33.0MB. Max. memory is 8.0GB. [2022-12-05 18:46:54,381 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory was 108.1MB in the beginning and 108.1MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:46:54,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.07ms. Allocated memory is still 188.7MB. Free memory was 165.9MB in the beginning and 147.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 18:46:54,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.67ms. Allocated memory is still 188.7MB. Free memory was 147.0MB in the beginning and 145.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 18:46:54,382 INFO L158 Benchmark]: Boogie Preprocessor took 39.93ms. Allocated memory is still 188.7MB. Free memory was 145.3MB in the beginning and 143.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 18:46:54,382 INFO L158 Benchmark]: RCFGBuilder took 281.94ms. Allocated memory is still 188.7MB. Free memory was 143.8MB in the beginning and 162.0MB in the end (delta: -18.2MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-12-05 18:46:54,383 INFO L158 Benchmark]: TraceAbstraction took 349.92ms. Allocated memory is still 188.7MB. Free memory was 161.0MB in the beginning and 134.8MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-12-05 18:46:54,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory was 108.1MB in the beginning and 108.1MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 389.07ms. Allocated memory is still 188.7MB. Free memory was 165.9MB in the beginning and 147.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.67ms. Allocated memory is still 188.7MB. Free memory was 147.0MB in the beginning and 145.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.93ms. Allocated memory is still 188.7MB. Free memory was 145.3MB in the beginning and 143.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 281.94ms. Allocated memory is still 188.7MB. Free memory was 143.8MB in the beginning and 162.0MB in the end (delta: -18.2MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * TraceAbstraction took 349.92ms. Allocated memory is still 188.7MB. Free memory was 161.0MB in the beginning and 134.8MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. 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={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [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, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 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=107occurred 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, 38 NumberOfCodeBlocks, 38 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! [2022-12-05 18:46:54,403 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...