/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 11:14:29,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 11:14:29,924 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-27 11:14:29,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 11:14:29,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 11:14:29,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 11:14:29,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 11:14:29,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 11:14:29,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 11:14:29,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 11:14:29,945 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 11:14:29,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 11:14:29,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 11:14:29,946 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 11:14:29,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 11:14:29,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 11:14:29,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 11:14:29,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 11:14:29,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 11:14:29,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 11:14:29,947 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 11:14:29,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 11:14:29,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 11:14:29,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 11:14:29,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 11:14:29,951 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 11:14:29,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 11:14:29,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 11:14:29,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 11:14:29,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 11:14:29,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 11:14:29,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 11:14:29,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 11:14:29,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 11:14:29,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 11:14:29,953 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 11:14:30,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 11:14:30,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 11:14:30,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 11:14:30,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 11:14:30,229 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 11:14:30,231 INFO L431 ainManager$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 [2023-08-27 11:14:31,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 11:14:31,431 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 11:14:31,431 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2023-08-27 11:14:31,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e798087/d55c42dc65274d758a18c469463ea881/FLAGcc199173f [2023-08-27 11:14:31,454 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e798087/d55c42dc65274d758a18c469463ea881 [2023-08-27 11:14:31,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 11:14:31,459 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 11:14:31,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 11:14:31,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 11:14:31,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 11:14:31,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f7870d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31, skipping insertion in model container [2023-08-27 11:14:31,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,497 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 11:14:31,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 11:14:31,676 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 11:14:31,688 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-27 11:14:31,689 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-27 11:14:31,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 11:14:31,737 INFO L206 MainTranslator]: Completed translation [2023-08-27 11:14:31,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31 WrapperNode [2023-08-27 11:14:31,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 11:14:31,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 11:14:31,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 11:14:31,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 11:14:31,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,782 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-08-27 11:14:31,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 11:14:31,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 11:14:31,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 11:14:31,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 11:14:31,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 11:14:31,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 11:14:31,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 11:14:31,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 11:14:31,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (1/1) ... [2023-08-27 11:14:31,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 11:14:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 11:14:31,833 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) [2023-08-27 11:14:31,865 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 [2023-08-27 11:14:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 11:14:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 11:14:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-27 11:14:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 11:14:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 11:14:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-27 11:14:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-27 11:14:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 11:14:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 11:14:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 11:14:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 11:14:31,890 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 11:14:31,974 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 11:14:31,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 11:14:32,125 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 11:14:32,129 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 11:14:32,129 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 11:14:32,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:14:32 BoogieIcfgContainer [2023-08-27 11:14:32,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 11:14:32,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 11:14:32,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 11:14:32,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 11:14:32,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:14:31" (1/3) ... [2023-08-27 11:14:32,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3188b0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:14:32, skipping insertion in model container [2023-08-27 11:14:32,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:14:31" (2/3) ... [2023-08-27 11:14:32,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3188b0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:14:32, skipping insertion in model container [2023-08-27 11:14:32,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:14:32" (3/3) ... [2023-08-27 11:14:32,135 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2023-08-27 11:14:32,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 11:14:32,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-27 11:14:32,147 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 11:14:32,199 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-27 11:14:32,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 69 transitions, 146 flow [2023-08-27 11:14:32,268 INFO L124 PetriNetUnfolderBase]: 2/68 cut-off events. [2023-08-27 11:14:32,268 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-27 11:14:32,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 68 events. 2/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2023-08-27 11:14:32,272 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 69 transitions, 146 flow [2023-08-27 11:14:32,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 54 transitions, 111 flow [2023-08-27 11:14:32,277 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 11:14:32,286 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 54 transitions, 111 flow [2023-08-27 11:14:32,289 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 54 transitions, 111 flow [2023-08-27 11:14:32,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 111 flow [2023-08-27 11:14:32,310 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2023-08-27 11:14:32,310 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:14:32,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 54 events. 0/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-27 11:14:32,311 INFO L119 LiptonReduction]: Number of co-enabled transitions 308 [2023-08-27 11:14:34,002 INFO L134 LiptonReduction]: Checked pairs total: 623 [2023-08-27 11:14:34,002 INFO L136 LiptonReduction]: Total number of compositions: 42 [2023-08-27 11:14:34,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 11:14:34,014 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;@26b640df, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 11:14:34,014 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-27 11:14:34,016 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 11:14:34,016 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-08-27 11:14:34,016 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:14:34,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:14:34,016 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-27 11:14:34,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 11:14:34,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:14:34,019 INFO L85 PathProgramCache]: Analyzing trace with hash 7192635, now seen corresponding path program 1 times [2023-08-27 11:14:34,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:14:34,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651933983] [2023-08-27 11:14:34,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:14:34,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:14:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 11:14:34,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 11:14:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 11:14:34,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 11:14:34,115 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 11:14:34,116 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2023-08-27 11:14:34,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-08-27 11:14:34,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 11:14:34,118 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 11:14:34,121 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 11:14:34,121 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 11:14:34,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:14:34 BasicIcfg [2023-08-27 11:14:34,131 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 11:14:34,131 INFO L158 Benchmark]: Toolchain (without parser) took 2672.46ms. Allocated memory was 388.0MB in the beginning and 465.6MB in the end (delta: 77.6MB). Free memory was 361.6MB in the beginning and 314.7MB in the end (delta: 46.9MB). Peak memory consumption was 127.6MB. Max. memory is 16.0GB. [2023-08-27 11:14:34,132 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 388.0MB. Free memory is still 365.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 11:14:34,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.42ms. Allocated memory is still 388.0MB. Free memory was 360.6MB in the beginning and 341.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-27 11:14:34,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.98ms. Allocated memory is still 388.0MB. Free memory was 341.7MB in the beginning and 339.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 11:14:34,133 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 388.0MB. Free memory was 339.6MB in the beginning and 338.7MB in the end (delta: 971.0kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 11:14:34,133 INFO L158 Benchmark]: RCFGBuilder took 318.53ms. Allocated memory is still 388.0MB. Free memory was 338.7MB in the beginning and 326.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-27 11:14:34,133 INFO L158 Benchmark]: TraceAbstraction took 1998.99ms. Allocated memory was 388.0MB in the beginning and 465.6MB in the end (delta: 77.6MB). Free memory was 324.9MB in the beginning and 314.7MB in the end (delta: 10.2MB). Peak memory consumption was 89.9MB. Max. memory is 16.0GB. [2023-08-27 11:14:34,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 388.0MB. Free memory is still 365.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 278.42ms. Allocated memory is still 388.0MB. Free memory was 360.6MB in the beginning and 341.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.98ms. Allocated memory is still 388.0MB. Free memory was 341.7MB in the beginning and 339.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 388.0MB. Free memory was 339.6MB in the beginning and 338.7MB in the end (delta: 971.0kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 318.53ms. Allocated memory is still 388.0MB. Free memory was 338.7MB in the beginning and 326.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 1998.99ms. Allocated memory was 388.0MB in the beginning and 465.6MB in the end (delta: 77.6MB). Free memory was 324.9MB in the beginning and 314.7MB in the end (delta: 10.2MB). Peak memory consumption was 89.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7s, 58 PlacesBefore, 16 PlacesAfterwards, 54 TransitionsBefore, 12 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 42 TotalNumberOfCompositions, 623 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 412, independent: 306, independent conditional: 0, independent unconditional: 306, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 180, independent: 158, independent conditional: 0, independent unconditional: 158, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 412, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: assertion can be violated assertion can be violated We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [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))=0] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [arg={0:0}, 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, 84 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: 1.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 4 NumberOfCodeBlocks, 4 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! [2023-08-27 11:14:34,174 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...