./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 881804847426e60812f8175456032b889bbad15c60068b15698c7277211e0c6e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:35:30,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:35:30,133 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:35:30,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:35:30,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:35:30,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:35:30,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:35:30,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:35:30,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:35:30,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:35:30,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:35:30,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:35:30,164 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:35:30,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:35:30,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:35:30,165 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:35:30,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:35:30,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:35:30,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:35:30,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:35:30,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:35:30,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:35:30,169 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:35:30,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:35:30,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:35:30,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:35:30,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:35:30,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:35:30,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:35:30,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:35:30,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:35:30,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:35:30,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:35:30,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:35:30,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:35:30,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:35:30,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:35:30,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:35:30,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:35:30,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:35:30,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:35:30,176 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 881804847426e60812f8175456032b889bbad15c60068b15698c7277211e0c6e [2024-11-16 23:35:30,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:35:30,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:35:30,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:35:30,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:35:30,449 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:35:30,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i [2024-11-16 23:35:31,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:35:31,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:35:31,888 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_01-idx_rc.i [2024-11-16 23:35:31,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d11ea0b6/167c7f8dd17f43d5ab99053163c1fae4/FLAG4c2cee15f [2024-11-16 23:35:32,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d11ea0b6/167c7f8dd17f43d5ab99053163c1fae4 [2024-11-16 23:35:32,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:35:32,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:35:32,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:35:32,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:35:32,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:35:32,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5d5e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32, skipping insertion in model container [2024-11-16 23:35:32,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:35:32,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:35:32,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:35:32,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:35:32,761 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:35:32,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32 WrapperNode [2024-11-16 23:35:32,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:35:32,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:35:32,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:35:32,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:35:32,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,805 INFO L138 Inliner]: procedures = 162, calls = 58, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-11-16 23:35:32,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:35:32,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:35:32,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:35:32,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:35:32,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,829 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:35:32,834 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:35:32,834 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:35:32,834 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:35:32,835 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (1/1) ... [2024-11-16 23:35:32,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:35:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:32,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:35:32,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:35:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:35:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:35:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:35:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:35:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:35:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:35:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:35:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:35:32,903 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:35:32,999 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:35:33,001 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:35:33,202 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:35:33,203 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:35:33,228 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:35:33,228 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:35:33,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:33 BoogieIcfgContainer [2024-11-16 23:35:33,229 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:35:33,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:35:33,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:35:33,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:35:33,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:35:32" (1/3) ... [2024-11-16 23:35:33,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737b8f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:33, skipping insertion in model container [2024-11-16 23:35:33,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:32" (2/3) ... [2024-11-16 23:35:33,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737b8f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:33, skipping insertion in model container [2024-11-16 23:35:33,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:33" (3/3) ... [2024-11-16 23:35:33,238 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_01-idx_rc.i [2024-11-16 23:35:33,251 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:35:33,252 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 23:35:33,252 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:35:33,307 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:35:33,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 112 transitions, 228 flow [2024-11-16 23:35:33,389 INFO L124 PetriNetUnfolderBase]: 2/111 cut-off events. [2024-11-16 23:35:33,389 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:33,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2024-11-16 23:35:33,394 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 112 transitions, 228 flow [2024-11-16 23:35:33,398 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 111 transitions, 225 flow [2024-11-16 23:35:33,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:35:33,415 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@60044f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:35:33,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-16 23:35:33,438 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:35:33,438 INFO L124 PetriNetUnfolderBase]: 2/81 cut-off events. [2024-11-16 23:35:33,438 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:33,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:33,439 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-16 23:35:33,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:33,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:33,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1822947221, now seen corresponding path program 1 times [2024-11-16 23:35:33,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:33,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749201847] [2024-11-16 23:35:33,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:33,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:33,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:33,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:33,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749201847] [2024-11-16 23:35:33,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749201847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:33,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:33,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:35:33,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258929418] [2024-11-16 23:35:33,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:33,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:35:33,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:33,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:35:33,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:35:33,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 112 [2024-11-16 23:35:33,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 111 transitions, 225 flow. Second operand has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:33,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:33,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 112 [2024-11-16 23:35:33,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:33,818 INFO L124 PetriNetUnfolderBase]: 5/148 cut-off events. [2024-11-16 23:35:33,819 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:35:33,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 148 events. 5/148 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 199 event pairs, 4 based on Foata normal form. 1/139 useless extension candidates. Maximal degree in co-relation 89. Up to 14 conditions per place. [2024-11-16 23:35:33,823 INFO L140 encePairwiseOnDemand]: 111/112 looper letters, 5 selfloop transitions, 0 changer transitions 0/110 dead transitions. [2024-11-16 23:35:33,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 110 transitions, 233 flow [2024-11-16 23:35:33,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:35:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:35:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 218 transitions. [2024-11-16 23:35:33,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9732142857142857 [2024-11-16 23:35:33,836 INFO L175 Difference]: Start difference. First operand has 113 places, 111 transitions, 225 flow. Second operand 2 states and 218 transitions. [2024-11-16 23:35:33,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 110 transitions, 233 flow [2024-11-16 23:35:33,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:33,842 INFO L231 Difference]: Finished difference. Result has 113 places, 110 transitions, 222 flow [2024-11-16 23:35:33,844 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=222, PETRI_PLACES=113, PETRI_TRANSITIONS=110} [2024-11-16 23:35:33,846 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 0 predicate places. [2024-11-16 23:35:33,847 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 110 transitions, 222 flow [2024-11-16 23:35:33,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:33,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:33,847 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-16 23:35:33,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:35:33,849 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:33,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:33,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1298989723, now seen corresponding path program 1 times [2024-11-16 23:35:33,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:33,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037890680] [2024-11-16 23:35:33,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:33,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:33,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:33,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:33,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037890680] [2024-11-16 23:35:33,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037890680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:33,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:33,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:35:33,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752978205] [2024-11-16 23:35:33,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:33,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:33,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:33,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:33,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:35:34,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 112 [2024-11-16 23:35:34,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 110 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:34,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:34,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 112 [2024-11-16 23:35:34,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:34,051 INFO L124 PetriNetUnfolderBase]: 7/172 cut-off events. [2024-11-16 23:35:34,051 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:34,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 172 events. 7/172 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 258 event pairs, 6 based on Foata normal form. 1/161 useless extension candidates. Maximal degree in co-relation 198. Up to 24 conditions per place. [2024-11-16 23:35:34,055 INFO L140 encePairwiseOnDemand]: 109/112 looper letters, 10 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2024-11-16 23:35:34,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 111 transitions, 248 flow [2024-11-16 23:35:34,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2024-11-16 23:35:34,059 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9315476190476191 [2024-11-16 23:35:34,060 INFO L175 Difference]: Start difference. First operand has 113 places, 110 transitions, 222 flow. Second operand 3 states and 313 transitions. [2024-11-16 23:35:34,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 111 transitions, 248 flow [2024-11-16 23:35:34,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 111 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:35:34,063 INFO L231 Difference]: Finished difference. Result has 116 places, 111 transitions, 234 flow [2024-11-16 23:35:34,063 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=116, PETRI_TRANSITIONS=111} [2024-11-16 23:35:34,064 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 3 predicate places. [2024-11-16 23:35:34,064 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 111 transitions, 234 flow [2024-11-16 23:35:34,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:34,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:34,065 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-16 23:35:34,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:35:34,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:34,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:34,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1588062638, now seen corresponding path program 1 times [2024-11-16 23:35:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:34,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503181030] [2024-11-16 23:35:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:34,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:34,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:34,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503181030] [2024-11-16 23:35:34,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503181030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:34,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510089767] [2024-11-16 23:35:34,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:34,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:34,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:34,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:35:34,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:35:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:34,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:34,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:35:34,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:34,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510089767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:34,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:34,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:34,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543512653] [2024-11-16 23:35:34,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:34,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:34,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:34,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:34,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:34,354 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 112 [2024-11-16 23:35:34,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 111 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:34,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:34,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 112 [2024-11-16 23:35:34,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:34,417 INFO L124 PetriNetUnfolderBase]: 32/261 cut-off events. [2024-11-16 23:35:34,418 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:35:34,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 261 events. 32/261 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 882 event pairs, 13 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 347. Up to 44 conditions per place. [2024-11-16 23:35:34,421 INFO L140 encePairwiseOnDemand]: 104/112 looper letters, 17 selfloop transitions, 6 changer transitions 0/121 dead transitions. [2024-11-16 23:35:34,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 121 transitions, 300 flow [2024-11-16 23:35:34,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2024-11-16 23:35:34,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494047619047619 [2024-11-16 23:35:34,423 INFO L175 Difference]: Start difference. First operand has 116 places, 111 transitions, 234 flow. Second operand 3 states and 319 transitions. [2024-11-16 23:35:34,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 121 transitions, 300 flow [2024-11-16 23:35:34,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 121 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:34,428 INFO L231 Difference]: Finished difference. Result has 119 places, 117 transitions, 284 flow [2024-11-16 23:35:34,428 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=119, PETRI_TRANSITIONS=117} [2024-11-16 23:35:34,429 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 6 predicate places. [2024-11-16 23:35:34,429 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 117 transitions, 284 flow [2024-11-16 23:35:34,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:34,430 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:34,430 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-16 23:35:34,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 23:35:34,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:34,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:34,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:34,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2146948501, now seen corresponding path program 1 times [2024-11-16 23:35:34,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:34,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419226581] [2024-11-16 23:35:34,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:34,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:34,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:34,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419226581] [2024-11-16 23:35:34,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419226581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:34,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089946371] [2024-11-16 23:35:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:34,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:34,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:34,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:35:34,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:35:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:34,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:34,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:35:34,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:34,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089946371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:34,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:34,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:34,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146373605] [2024-11-16 23:35:34,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:34,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:34,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:34,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:34,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:34,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 112 [2024-11-16 23:35:34,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 117 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:34,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:34,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 112 [2024-11-16 23:35:34,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:34,907 INFO L124 PetriNetUnfolderBase]: 47/321 cut-off events. [2024-11-16 23:35:34,907 INFO L125 PetriNetUnfolderBase]: For 89/94 co-relation queries the response was YES. [2024-11-16 23:35:34,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 321 events. 47/321 cut-off events. For 89/94 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1301 event pairs, 21 based on Foata normal form. 3/306 useless extension candidates. Maximal degree in co-relation 525. Up to 86 conditions per place. [2024-11-16 23:35:34,911 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 16 selfloop transitions, 7 changer transitions 1/124 dead transitions. [2024-11-16 23:35:34,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 124 transitions, 356 flow [2024-11-16 23:35:34,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-16 23:35:34,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9345238095238095 [2024-11-16 23:35:34,913 INFO L175 Difference]: Start difference. First operand has 119 places, 117 transitions, 284 flow. Second operand 3 states and 314 transitions. [2024-11-16 23:35:34,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 124 transitions, 356 flow [2024-11-16 23:35:34,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 124 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:34,918 INFO L231 Difference]: Finished difference. Result has 121 places, 122 transitions, 328 flow [2024-11-16 23:35:34,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=121, PETRI_TRANSITIONS=122} [2024-11-16 23:35:34,920 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 8 predicate places. [2024-11-16 23:35:34,920 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 122 transitions, 328 flow [2024-11-16 23:35:34,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:34,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:34,921 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:35:34,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 23:35:35,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-16 23:35:35,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:35,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:35,122 INFO L85 PathProgramCache]: Analyzing trace with hash 714083354, now seen corresponding path program 1 times [2024-11-16 23:35:35,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:35,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208711346] [2024-11-16 23:35:35,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:35,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:35,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:35,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208711346] [2024-11-16 23:35:35,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208711346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:35,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397425821] [2024-11-16 23:35:35,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:35,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:35,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:35,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:35:35,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:35:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:35,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:35,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:35:35,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:35,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397425821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:35,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:35,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:35,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286824399] [2024-11-16 23:35:35,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:35,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:35,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:35,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:35,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:35,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 112 [2024-11-16 23:35:35,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 122 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:35,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:35,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 112 [2024-11-16 23:35:35,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:35,363 INFO L124 PetriNetUnfolderBase]: 66/388 cut-off events. [2024-11-16 23:35:35,364 INFO L125 PetriNetUnfolderBase]: For 214/222 co-relation queries the response was YES. [2024-11-16 23:35:35,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 388 events. 66/388 cut-off events. For 214/222 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1773 event pairs, 25 based on Foata normal form. 2/373 useless extension candidates. Maximal degree in co-relation 725. Up to 115 conditions per place. [2024-11-16 23:35:35,368 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 17 selfloop transitions, 7 changer transitions 7/129 dead transitions. [2024-11-16 23:35:35,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 129 transitions, 414 flow [2024-11-16 23:35:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:35,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2024-11-16 23:35:35,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9226190476190477 [2024-11-16 23:35:35,371 INFO L175 Difference]: Start difference. First operand has 121 places, 122 transitions, 328 flow. Second operand 3 states and 310 transitions. [2024-11-16 23:35:35,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 129 transitions, 414 flow [2024-11-16 23:35:35,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 129 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:35,376 INFO L231 Difference]: Finished difference. Result has 123 places, 121 transitions, 346 flow [2024-11-16 23:35:35,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=123, PETRI_TRANSITIONS=121} [2024-11-16 23:35:35,377 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 10 predicate places. [2024-11-16 23:35:35,378 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 121 transitions, 346 flow [2024-11-16 23:35:35,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:35,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:35,378 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:35:35,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 23:35:35,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:35,580 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:35,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:35,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1596680353, now seen corresponding path program 1 times [2024-11-16 23:35:35,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:35,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173190833] [2024-11-16 23:35:35,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:35,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:35,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:35,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173190833] [2024-11-16 23:35:35,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173190833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:35,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819827320] [2024-11-16 23:35:35,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:35,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:35,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:35,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:35:35,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 23:35:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:35,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 23:35:35,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:35,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:35,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819827320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:35,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:35,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-16 23:35:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546468360] [2024-11-16 23:35:35,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:35,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:35:35,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:35,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:35:35,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:35:35,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 112 [2024-11-16 23:35:35,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 121 transitions, 346 flow. Second operand has 10 states, 10 states have (on average 99.1) internal successors, (991), 10 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:35,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:35,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 112 [2024-11-16 23:35:35,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:35,925 INFO L124 PetriNetUnfolderBase]: 25/322 cut-off events. [2024-11-16 23:35:35,925 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-11-16 23:35:35,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 322 events. 25/322 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1310 event pairs, 10 based on Foata normal form. 2/313 useless extension candidates. Maximal degree in co-relation 561. Up to 37 conditions per place. [2024-11-16 23:35:35,927 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 14 selfloop transitions, 9 changer transitions 0/129 dead transitions. [2024-11-16 23:35:35,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 129 transitions, 410 flow [2024-11-16 23:35:35,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:35:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:35:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 898 transitions. [2024-11-16 23:35:35,929 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8908730158730159 [2024-11-16 23:35:35,929 INFO L175 Difference]: Start difference. First operand has 123 places, 121 transitions, 346 flow. Second operand 9 states and 898 transitions. [2024-11-16 23:35:35,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 129 transitions, 410 flow [2024-11-16 23:35:35,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 129 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:35,932 INFO L231 Difference]: Finished difference. Result has 132 places, 127 transitions, 382 flow [2024-11-16 23:35:35,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=382, PETRI_PLACES=132, PETRI_TRANSITIONS=127} [2024-11-16 23:35:35,933 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 19 predicate places. [2024-11-16 23:35:35,933 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 127 transitions, 382 flow [2024-11-16 23:35:35,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 99.1) internal successors, (991), 10 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:35,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:35,934 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-16 23:35:35,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 23:35:36,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:36,136 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:36,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:36,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1326289877, now seen corresponding path program 2 times [2024-11-16 23:35:36,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:36,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174248745] [2024-11-16 23:35:36,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:36,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:36,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:36,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174248745] [2024-11-16 23:35:36,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174248745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:36,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873057710] [2024-11-16 23:35:36,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:35:36,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:36,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:36,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:35:36,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 23:35:36,335 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 23:35:36,336 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:35:36,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 23:35:36,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:36,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:36,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873057710] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:36,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:36,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-16 23:35:36,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452493151] [2024-11-16 23:35:36,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:36,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 23:35:36,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:36,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 23:35:36,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-16 23:35:36,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 112 [2024-11-16 23:35:36,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 127 transitions, 382 flow. Second operand has 18 states, 18 states have (on average 99.05555555555556) internal successors, (1783), 18 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:36,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:36,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 112 [2024-11-16 23:35:36,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:36,707 INFO L124 PetriNetUnfolderBase]: 25/346 cut-off events. [2024-11-16 23:35:36,708 INFO L125 PetriNetUnfolderBase]: For 143/143 co-relation queries the response was YES. [2024-11-16 23:35:36,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 346 events. 25/346 cut-off events. For 143/143 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1304 event pairs, 10 based on Foata normal form. 4/339 useless extension candidates. Maximal degree in co-relation 625. Up to 37 conditions per place. [2024-11-16 23:35:36,710 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 18 selfloop transitions, 21 changer transitions 0/145 dead transitions. [2024-11-16 23:35:36,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 145 transitions, 556 flow [2024-11-16 23:35:36,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 23:35:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-16 23:35:36,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2080 transitions. [2024-11-16 23:35:36,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8843537414965986 [2024-11-16 23:35:36,717 INFO L175 Difference]: Start difference. First operand has 132 places, 127 transitions, 382 flow. Second operand 21 states and 2080 transitions. [2024-11-16 23:35:36,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 145 transitions, 556 flow [2024-11-16 23:35:36,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 542 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:36,723 INFO L231 Difference]: Finished difference. Result has 156 places, 140 transitions, 506 flow [2024-11-16 23:35:36,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=506, PETRI_PLACES=156, PETRI_TRANSITIONS=140} [2024-11-16 23:35:36,724 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 43 predicate places. [2024-11-16 23:35:36,724 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 140 transitions, 506 flow [2024-11-16 23:35:36,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 99.05555555555556) internal successors, (1783), 18 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:36,726 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:36,726 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-16 23:35:36,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 23:35:36,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:36,927 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:36,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash 877682515, now seen corresponding path program 3 times [2024-11-16 23:35:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:36,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233554847] [2024-11-16 23:35:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:36,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:37,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233554847] [2024-11-16 23:35:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233554847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378830839] [2024-11-16 23:35:37,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-16 23:35:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:37,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:37,182 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:35:37,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 23:35:37,270 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-16 23:35:37,270 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:35:37,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 23:35:37,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:37,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:37,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378830839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:37,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:37,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-16 23:35:37,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801278340] [2024-11-16 23:35:37,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:37,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 23:35:37,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:37,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 23:35:37,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-16 23:35:37,614 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 112 [2024-11-16 23:35:37,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 140 transitions, 506 flow. Second operand has 23 states, 23 states have (on average 99.1304347826087) internal successors, (2280), 23 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:37,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:37,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 112 [2024-11-16 23:35:37,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:37,909 INFO L124 PetriNetUnfolderBase]: 25/364 cut-off events. [2024-11-16 23:35:37,910 INFO L125 PetriNetUnfolderBase]: For 298/298 co-relation queries the response was YES. [2024-11-16 23:35:37,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 364 events. 25/364 cut-off events. For 298/298 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1305 event pairs, 10 based on Foata normal form. 3/356 useless extension candidates. Maximal degree in co-relation 721. Up to 37 conditions per place. [2024-11-16 23:35:37,911 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 21 selfloop transitions, 30 changer transitions 0/157 dead transitions. [2024-11-16 23:35:37,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 157 transitions, 736 flow [2024-11-16 23:35:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 23:35:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-16 23:35:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2964 transitions. [2024-11-16 23:35:37,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8821428571428571 [2024-11-16 23:35:37,916 INFO L175 Difference]: Start difference. First operand has 156 places, 140 transitions, 506 flow. Second operand 30 states and 2964 transitions. [2024-11-16 23:35:37,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 157 transitions, 736 flow [2024-11-16 23:35:37,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 157 transitions, 706 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-16 23:35:37,920 INFO L231 Difference]: Finished difference. Result has 183 places, 150 transitions, 634 flow [2024-11-16 23:35:37,920 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=634, PETRI_PLACES=183, PETRI_TRANSITIONS=150} [2024-11-16 23:35:37,921 INFO L277 CegarLoopForPetriNet]: 113 programPoint places, 70 predicate places. [2024-11-16 23:35:37,921 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 150 transitions, 634 flow [2024-11-16 23:35:37,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 99.1304347826087) internal successors, (2280), 23 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:35:37,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:37,922 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-16 23:35:37,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-16 23:35:38,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:38,123 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 23:35:38,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:38,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1407247382, now seen corresponding path program 4 times [2024-11-16 23:35:38,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:38,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125883795] [2024-11-16 23:35:38,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:38,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:35:38,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:35:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:35:38,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:35:38,186 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:35:38,187 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-16 23:35:38,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-16 23:35:38,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-16 23:35:38,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-16 23:35:38,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-16 23:35:38,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-16 23:35:38,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-16 23:35:38,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:35:38,190 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-11-16 23:35:38,227 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:35:38,227 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:35:38,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:35:38 BasicIcfg [2024-11-16 23:35:38,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:35:38,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:35:38,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:35:38,233 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:35:38,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:33" (3/4) ... [2024-11-16 23:35:38,234 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-16 23:35:38,279 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:35:38,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:35:38,279 INFO L158 Benchmark]: Toolchain (without parser) took 6023.72ms. Allocated memory was 155.2MB in the beginning and 264.2MB in the end (delta: 109.1MB). Free memory was 82.7MB in the beginning and 129.7MB in the end (delta: -47.0MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-11-16 23:35:38,279 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:35:38,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.14ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 104.7MB in the end (delta: -22.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:35:38,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.77ms. Allocated memory is still 155.2MB. Free memory was 104.7MB in the beginning and 102.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:35:38,280 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 155.2MB. Free memory was 102.5MB in the beginning and 101.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:35:38,280 INFO L158 Benchmark]: IcfgBuilder took 395.03ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 83.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:35:38,280 INFO L158 Benchmark]: TraceAbstraction took 5001.93ms. Allocated memory was 155.2MB in the beginning and 264.2MB in the end (delta: 109.1MB). Free memory was 83.2MB in the beginning and 135.9MB in the end (delta: -52.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-16 23:35:38,281 INFO L158 Benchmark]: Witness Printer took 46.35ms. Allocated memory is still 264.2MB. Free memory was 135.9MB in the beginning and 129.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:35:38,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.14ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 104.7MB in the end (delta: -22.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.77ms. Allocated memory is still 155.2MB. Free memory was 104.7MB in the beginning and 102.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.48ms. Allocated memory is still 155.2MB. Free memory was 102.5MB in the beginning and 101.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 395.03ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 83.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5001.93ms. Allocated memory was 155.2MB in the beginning and 264.2MB in the end (delta: 109.1MB). Free memory was 83.2MB in the beginning and 135.9MB in the end (delta: -52.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Witness Printer took 46.35ms. Allocated memory is still 264.2MB. Free memory was 135.9MB in the beginning and 129.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data; VAL [data=0] [L680] 0 pthread_mutex_t m[10]; VAL [data=0, m={1:0}] [L688] 0 int i = 0; VAL [data=0, i=0, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=0, m={1:0}] [L688] 0 i++ VAL [data=0, i=1, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=1, m={1:0}] [L688] 0 i++ VAL [data=0, i=2, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=2, m={1:0}] [L688] 0 i++ VAL [data=0, i=3, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=3, m={1:0}] [L688] 0 i++ VAL [data=0, i=4, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=4, m={1:0}] [L688] 0 i++ VAL [data=0, i=5, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=5, m={1:0}] [L688] 0 i++ VAL [data=0, i=6, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=6, m={1:0}] [L688] 0 i++ VAL [data=0, i=7, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=7, m={1:0}] [L688] 0 i++ VAL [data=0, i=8, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=8, m={1:0}] [L688] 0 i++ VAL [data=0, i=9, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=9, m={1:0}] [L688] 0 i++ VAL [data=0, i=10, m={1:0}] [L688] COND FALSE 0 !(i < 10) VAL [data=0, i=10, m={1:0}] [L690] 0 pthread_t id; VAL [data=0, m={1:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data=0, id=-1, m={1:0}] [L683] 1 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, m={1:0}] [L693] 0 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, id=-1, m={1:0}] [L683] 1 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, m={1:0}] [L693] 0 data++ VAL [\old(arg)={0:0}, arg={0:0}, data=1, id=-1, m={1:0}] Now there is a data race on ~data~0 between C: data++ [683] and C: data++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 131 locations, 7 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: 4.9s, OverallIterations: 9, TraceHistogramMax: 11, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 518 IncrementalHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 59 mSDtfsCounter, 518 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 936 GetRequests, 833 SyntacticMatches, 11 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=634occurred in iteration=8, InterpolantAutomatonStates: 74, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1384 NumberOfCodeBlocks, 1384 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 2025 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1154 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 6/510 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! [2024-11-16 23:35:38,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE