/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 -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 [2023-08-26 22:20:59,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 22:20:59,927 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 [2023-08-26 22:20:59,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 22:20:59,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 22:20:59,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 22:20:59,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 22:20:59,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 22:20:59,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 22:20:59,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 22:20:59,967 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 22:20:59,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 22:20:59,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 22:20:59,969 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 22:20:59,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 22:20:59,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 22:20:59,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 22:20:59,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 22:20:59,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 22:20:59,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 22:20:59,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 22:20:59,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 22:20:59,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 22:20:59,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 22:20:59,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 22:20:59,972 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 22:20:59,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 22:20:59,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 22:20:59,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 22:20:59,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 22:20:59,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 22:20:59,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 22:20:59,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 22:20:59,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 22:20:59,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 22:20:59,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-26 22:21:00,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 22:21:00,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 22:21:00,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 22:21:00,289 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 22:21:00,289 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 22:21:00,290 INFO L431 ainManager$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 [2023-08-26 22:21:01,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 22:21:01,689 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 22:21:01,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2023-08-26 22:21:01,714 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818908db7/1915ff78fd6b4dd89f2371059288904f/FLAG7aae94d11 [2023-08-26 22:21:01,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818908db7/1915ff78fd6b4dd89f2371059288904f [2023-08-26 22:21:01,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 22:21:01,732 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 22:21:01,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 22:21:01,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 22:21:01,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 22:21:01,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 10:21:01" (1/1) ... [2023-08-26 22:21:01,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35137ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:01, skipping insertion in model container [2023-08-26 22:21:01,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 10:21:01" (1/1) ... [2023-08-26 22:21:01,781 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 22:21:02,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 22:21:02,024 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 22:21:02,054 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-26 22:21:02,055 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-26 22:21:02,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 22:21:02,121 INFO L206 MainTranslator]: Completed translation [2023-08-26 22:21:02,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02 WrapperNode [2023-08-26 22:21:02,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 22:21:02,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 22:21:02,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 22:21:02,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 22:21:02,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,159 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-08-26 22:21:02,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 22:21:02,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 22:21:02,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 22:21:02,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 22:21:02,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 22:21:02,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 22:21:02,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 22:21:02,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 22:21:02,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (1/1) ... [2023-08-26 22:21:02,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 22:21:02,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 22:21:02,210 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) [2023-08-26 22:21:02,224 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 [2023-08-26 22:21:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 22:21:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 22:21:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 22:21:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 22:21:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 22:21:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-26 22:21:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-26 22:21:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 22:21:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 22:21:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 22:21:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 22:21:02,254 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 22:21:02,364 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 22:21:02,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 22:21:02,476 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 22:21:02,482 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 22:21:02,482 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 22:21:02,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 10:21:02 BoogieIcfgContainer [2023-08-26 22:21:02,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 22:21:02,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 22:21:02,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 22:21:02,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 22:21:02,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 10:21:01" (1/3) ... [2023-08-26 22:21:02,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ecdc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 10:21:02, skipping insertion in model container [2023-08-26 22:21:02,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:21:02" (2/3) ... [2023-08-26 22:21:02,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ecdc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 10:21:02, skipping insertion in model container [2023-08-26 22:21:02,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 10:21:02" (3/3) ... [2023-08-26 22:21:02,490 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2023-08-26 22:21:02,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 22:21:02,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-26 22:21:02,505 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 22:21:02,543 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-26 22:21:02,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 69 transitions, 146 flow [2023-08-26 22:21:02,603 INFO L124 PetriNetUnfolderBase]: 2/68 cut-off events. [2023-08-26 22:21:02,603 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-26 22:21:02,606 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. [2023-08-26 22:21:02,606 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 69 transitions, 146 flow [2023-08-26 22:21:02,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 54 transitions, 111 flow [2023-08-26 22:21:02,612 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 22:21:02,619 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 54 transitions, 111 flow [2023-08-26 22:21:02,621 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 54 transitions, 111 flow [2023-08-26 22:21:02,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 111 flow [2023-08-26 22:21:02,635 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2023-08-26 22:21:02,635 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 22:21:02,636 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. [2023-08-26 22:21:02,636 INFO L119 LiptonReduction]: Number of co-enabled transitions 308 [2023-08-26 22:21:04,747 INFO L134 LiptonReduction]: Checked pairs total: 623 [2023-08-26 22:21:04,747 INFO L136 LiptonReduction]: Total number of compositions: 42 [2023-08-26 22:21:04,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 22:21:04,763 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;@3ce0dc40, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 22:21:04,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-26 22:21:04,766 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 22:21:04,766 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-08-26 22:21:04,766 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 22:21:04,766 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 22:21:04,767 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-26 22:21:04,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-26 22:21:04,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 22:21:04,771 INFO L85 PathProgramCache]: Analyzing trace with hash 7192635, now seen corresponding path program 1 times [2023-08-26 22:21:04,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 22:21:04,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628990128] [2023-08-26 22:21:04,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 22:21:04,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 22:21:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 22:21:04,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-26 22:21:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-26 22:21:04,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-26 22:21:04,956 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-26 22:21:04,957 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2023-08-26 22:21:04,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-08-26 22:21:04,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 22:21:04,960 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-26 22:21:04,967 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 22:21:04,967 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 22:21:04,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 10:21:04 BasicIcfg [2023-08-26 22:21:04,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 22:21:04,988 INFO L158 Benchmark]: Toolchain (without parser) took 3255.83ms. Allocated memory was 371.2MB in the beginning and 450.9MB in the end (delta: 79.7MB). Free memory was 346.7MB in the beginning and 332.4MB in the end (delta: 14.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.0GB. [2023-08-26 22:21:04,989 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 371.2MB. Free memory is still 348.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 22:21:04,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.06ms. Allocated memory is still 371.2MB. Free memory was 346.7MB in the beginning and 327.7MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-26 22:21:04,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.16ms. Allocated memory is still 371.2MB. Free memory was 327.7MB in the beginning and 325.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 22:21:04,995 INFO L158 Benchmark]: Boogie Preprocessor took 18.36ms. Allocated memory is still 371.2MB. Free memory was 325.7MB in the beginning and 324.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 22:21:04,996 INFO L158 Benchmark]: RCFGBuilder took 304.75ms. Allocated memory is still 371.2MB. Free memory was 324.3MB in the beginning and 311.0MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-26 22:21:04,996 INFO L158 Benchmark]: TraceAbstraction took 2501.58ms. Allocated memory was 371.2MB in the beginning and 450.9MB in the end (delta: 79.7MB). Free memory was 310.5MB in the beginning and 332.4MB in the end (delta: -21.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.0GB. [2023-08-26 22:21:05,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 371.2MB. Free memory is still 348.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 389.06ms. Allocated memory is still 371.2MB. Free memory was 346.7MB in the beginning and 327.7MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 37.16ms. Allocated memory is still 371.2MB. Free memory was 327.7MB in the beginning and 325.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 18.36ms. Allocated memory is still 371.2MB. Free memory was 325.7MB in the beginning and 324.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 304.75ms. Allocated memory is still 371.2MB. Free memory was 324.3MB in the beginning and 311.0MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 2501.58ms. Allocated memory was 371.2MB in the beginning and 450.9MB in the end (delta: 79.7MB). Free memory was 310.5MB in the beginning and 332.4MB in the end (delta: -21.9MB). Peak memory consumption was 58.7MB. 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: 2.1s, 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: 2.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, 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! [2023-08-26 22:21:05,025 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...