./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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/04-mutex_35-trylock_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 bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:28:30,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:28:30,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:28:30,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:28:30,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:28:30,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:28:30,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:28:30,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:28:30,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:28:30,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:28:30,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:28:30,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:28:30,762 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:28:30,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:28:30,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:28:30,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:28:30,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:28:30,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:28:30,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:28:30,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:28:30,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:28:30,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:28:30,769 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:28:30,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:28:30,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:28:30,770 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:28:30,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:28:30,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:28:30,771 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:28:30,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:28:30,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:28:30,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:28:30,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:28:30,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:28:30,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:28:30,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:28:30,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:28:30,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:28:30,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:28:30,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:28:30,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:28:30,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 [2024-11-10 14:28:31,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:28:31,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:28:31,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:28:31,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:28:31,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:28:31,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2024-11-10 14:28:32,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:28:32,868 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:28:32,869 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2024-11-10 14:28:32,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0fae680f/be5f58b2fcdb46448b0909e83efb41a9/FLAGfea733ec3 [2024-11-10 14:28:33,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0fae680f/be5f58b2fcdb46448b0909e83efb41a9 [2024-11-10 14:28:33,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:28:33,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:28:33,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:28:33,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:28:33,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:28:33,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:28:33" (1/1) ... [2024-11-10 14:28:33,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1874b48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:33, skipping insertion in model container [2024-11-10 14:28:33,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:28:33" (1/1) ... [2024-11-10 14:28:33,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:28:33,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:28:33,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:28:33,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:28:34,042 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:28:34,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34 WrapperNode [2024-11-10 14:28:34,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:28:34,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:28:34,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:28:34,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:28:34,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,113 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 113 [2024-11-10 14:28:34,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:28:34,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:28:34,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:28:34,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:28:34,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:28:34,157 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:28:34,157 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:28:34,157 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:28:34,158 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (1/1) ... [2024-11-10 14:28:34,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:28:34,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:34,198 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) [2024-11-10 14:28:34,200 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 [2024-11-10 14:28:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2024-11-10 14:28:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2024-11-10 14:28:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2024-11-10 14:28:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2024-11-10 14:28:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:28:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:28:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:28:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:28:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:28:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2024-11-10 14:28:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:28:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:28:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:28:34,240 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:28:34,505 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:28:34,507 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:28:34,817 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:28:34,818 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:28:34,838 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:28:34,838 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:28:34,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:34 BoogieIcfgContainer [2024-11-10 14:28:34,838 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:28:34,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:28:34,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:28:34,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:28:34,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:28:33" (1/3) ... [2024-11-10 14:28:34,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b64691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:28:34, skipping insertion in model container [2024-11-10 14:28:34,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:34" (2/3) ... [2024-11-10 14:28:34,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b64691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:28:34, skipping insertion in model container [2024-11-10 14:28:34,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:34" (3/3) ... [2024-11-10 14:28:34,874 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_35-trylock_rc.i [2024-11-10 14:28:34,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:28:34,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-10 14:28:34,890 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:28:34,992 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:28:35,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 243 places, 275 transitions, 564 flow [2024-11-10 14:28:35,122 INFO L124 PetriNetUnfolderBase]: 39/273 cut-off events. [2024-11-10 14:28:35,123 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:28:35,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 273 events. 39/273 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 899 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 199. Up to 5 conditions per place. [2024-11-10 14:28:35,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 243 places, 275 transitions, 564 flow [2024-11-10 14:28:35,147 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 235 places, 265 transitions, 542 flow [2024-11-10 14:28:35,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:28:35,163 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;@70e10888, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:28:35,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-10 14:28:35,170 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:28:35,173 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-10 14:28:35,173 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:35,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:35,174 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] [2024-11-10 14:28:35,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr5ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-10 14:28:35,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:35,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1767778642, now seen corresponding path program 1 times [2024-11-10 14:28:35,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:35,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837965427] [2024-11-10 14:28:35,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:35,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:35,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:35,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837965427] [2024-11-10 14:28:35,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837965427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:35,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:35,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:28:35,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490215361] [2024-11-10 14:28:35,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:35,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:35,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:35,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:35,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:28:35,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 275 [2024-11-10 14:28:35,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 265 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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) [2024-11-10 14:28:35,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:35,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 275 [2024-11-10 14:28:35,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:35,793 INFO L124 PetriNetUnfolderBase]: 46/546 cut-off events. [2024-11-10 14:28:35,795 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-10 14:28:35,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 546 events. 46/546 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3008 event pairs, 15 based on Foata normal form. 98/555 useless extension candidates. Maximal degree in co-relation 477. Up to 48 conditions per place. [2024-11-10 14:28:35,805 INFO L140 encePairwiseOnDemand]: 254/275 looper letters, 13 selfloop transitions, 2 changer transitions 9/231 dead transitions. [2024-11-10 14:28:35,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 231 transitions, 504 flow [2024-11-10 14:28:35,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions. [2024-11-10 14:28:35,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8812121212121212 [2024-11-10 14:28:35,826 INFO L175 Difference]: Start difference. First operand has 235 places, 265 transitions, 542 flow. Second operand 3 states and 727 transitions. [2024-11-10 14:28:35,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 231 transitions, 504 flow [2024-11-10 14:28:35,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 231 transitions, 496 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:28:35,836 INFO L231 Difference]: Finished difference. Result has 224 places, 222 transitions, 452 flow [2024-11-10 14:28:35,839 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=224, PETRI_TRANSITIONS=222} [2024-11-10 14:28:35,844 INFO L277 CegarLoopForPetriNet]: 235 programPoint places, -11 predicate places. [2024-11-10 14:28:35,845 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 222 transitions, 452 flow [2024-11-10 14:28:35,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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) [2024-11-10 14:28:35,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:35,846 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] [2024-11-10 14:28:35,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:28:35,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr5ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-10 14:28:35,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:35,848 INFO L85 PathProgramCache]: Analyzing trace with hash -685757313, now seen corresponding path program 1 times [2024-11-10 14:28:35,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:35,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548548531] [2024-11-10 14:28:35,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:35,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:35,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:35,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548548531] [2024-11-10 14:28:35,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548548531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:35,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:35,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:28:35,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092520730] [2024-11-10 14:28:35,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:35,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:35,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:35,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:35,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:28:36,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 275 [2024-11-10 14:28:36,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 222 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 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) [2024-11-10 14:28:36,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:36,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 275 [2024-11-10 14:28:36,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:36,353 INFO L124 PetriNetUnfolderBase]: 423/2132 cut-off events. [2024-11-10 14:28:36,353 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-10 14:28:36,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2620 conditions, 2132 events. 423/2132 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 18120 event pairs, 156 based on Foata normal form. 1/1810 useless extension candidates. Maximal degree in co-relation 2589. Up to 451 conditions per place. [2024-11-10 14:28:36,371 INFO L140 encePairwiseOnDemand]: 259/275 looper letters, 26 selfloop transitions, 7 changer transitions 6/227 dead transitions. [2024-11-10 14:28:36,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 227 transitions, 536 flow [2024-11-10 14:28:36,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2024-11-10 14:28:36,379 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8387878787878787 [2024-11-10 14:28:36,379 INFO L175 Difference]: Start difference. First operand has 224 places, 222 transitions, 452 flow. Second operand 3 states and 692 transitions. [2024-11-10 14:28:36,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 227 transitions, 536 flow [2024-11-10 14:28:36,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 227 transitions, 532 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:36,387 INFO L231 Difference]: Finished difference. Result has 209 places, 215 transitions, 466 flow [2024-11-10 14:28:36,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=209, PETRI_TRANSITIONS=215} [2024-11-10 14:28:36,389 INFO L277 CegarLoopForPetriNet]: 235 programPoint places, -26 predicate places. [2024-11-10 14:28:36,389 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 215 transitions, 466 flow [2024-11-10 14:28:36,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 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) [2024-11-10 14:28:36,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:36,391 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] [2024-11-10 14:28:36,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:28:36,391 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting counter_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr5ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-10 14:28:36,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:36,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2115060050, now seen corresponding path program 1 times [2024-11-10 14:28:36,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:36,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090852069] [2024-11-10 14:28:36,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:36,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:36,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:36,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090852069] [2024-11-10 14:28:36,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090852069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:36,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:36,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:28:36,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383026644] [2024-11-10 14:28:36,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:36,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:36,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:36,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:36,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:28:36,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 275 [2024-11-10 14:28:36,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 215 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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) [2024-11-10 14:28:36,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:36,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 275 [2024-11-10 14:28:36,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:36,609 INFO L124 PetriNetUnfolderBase]: 121/968 cut-off events. [2024-11-10 14:28:36,610 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 14:28:36,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 968 events. 121/968 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6656 event pairs, 20 based on Foata normal form. 0/844 useless extension candidates. Maximal degree in co-relation 585. Up to 76 conditions per place. [2024-11-10 14:28:36,619 INFO L140 encePairwiseOnDemand]: 271/275 looper letters, 13 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2024-11-10 14:28:36,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 216 transitions, 499 flow [2024-11-10 14:28:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2024-11-10 14:28:36,621 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8678787878787879 [2024-11-10 14:28:36,621 INFO L175 Difference]: Start difference. First operand has 209 places, 215 transitions, 466 flow. Second operand 3 states and 716 transitions. [2024-11-10 14:28:36,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 216 transitions, 499 flow [2024-11-10 14:28:36,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 216 transitions, 499 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:28:36,626 INFO L231 Difference]: Finished difference. Result has 205 places, 215 transitions, 476 flow [2024-11-10 14:28:36,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=205, PETRI_TRANSITIONS=215} [2024-11-10 14:28:36,628 INFO L277 CegarLoopForPetriNet]: 235 programPoint places, -30 predicate places. [2024-11-10 14:28:36,628 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 215 transitions, 476 flow [2024-11-10 14:28:36,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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) [2024-11-10 14:28:36,629 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:36,629 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] [2024-11-10 14:28:36,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:28:36,629 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr5ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-10 14:28:36,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:36,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1362771191, now seen corresponding path program 1 times [2024-11-10 14:28:36,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:36,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637983710] [2024-11-10 14:28:36,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:36,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:36,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:36,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637983710] [2024-11-10 14:28:36,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637983710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:36,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:36,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:28:36,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818165110] [2024-11-10 14:28:36,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:36,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:36,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:36,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:36,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:28:36,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 275 [2024-11-10 14:28:36,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 215 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 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) [2024-11-10 14:28:36,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:36,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 275 [2024-11-10 14:28:36,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:37,003 INFO L124 PetriNetUnfolderBase]: 281/2050 cut-off events. [2024-11-10 14:28:37,004 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 14:28:37,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2524 conditions, 2050 events. 281/2050 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 16492 event pairs, 31 based on Foata normal form. 0/1801 useless extension candidates. Maximal degree in co-relation 2323. Up to 162 conditions per place. [2024-11-10 14:28:37,028 INFO L140 encePairwiseOnDemand]: 264/275 looper letters, 24 selfloop transitions, 8 changer transitions 0/229 dead transitions. [2024-11-10 14:28:37,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 229 transitions, 570 flow [2024-11-10 14:28:37,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 722 transitions. [2024-11-10 14:28:37,030 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8751515151515151 [2024-11-10 14:28:37,030 INFO L175 Difference]: Start difference. First operand has 205 places, 215 transitions, 476 flow. Second operand 3 states and 722 transitions. [2024-11-10 14:28:37,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 229 transitions, 570 flow [2024-11-10 14:28:37,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 229 transitions, 570 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:28:37,037 INFO L231 Difference]: Finished difference. Result has 209 places, 223 transitions, 546 flow [2024-11-10 14:28:37,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=546, PETRI_PLACES=209, PETRI_TRANSITIONS=223} [2024-11-10 14:28:37,039 INFO L277 CegarLoopForPetriNet]: 235 programPoint places, -26 predicate places. [2024-11-10 14:28:37,040 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 223 transitions, 546 flow [2024-11-10 14:28:37,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 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) [2024-11-10 14:28:37,041 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:37,041 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] [2024-11-10 14:28:37,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:28:37,041 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting counter_threadErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr5ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-10 14:28:37,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:37,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1178486902, now seen corresponding path program 1 times [2024-11-10 14:28:37,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:37,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481437209] [2024-11-10 14:28:37,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:37,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:37,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:37,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481437209] [2024-11-10 14:28:37,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481437209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:37,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:37,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:28:37,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227525279] [2024-11-10 14:28:37,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:37,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:37,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:37,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:37,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:28:37,168 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 275 [2024-11-10 14:28:37,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 223 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2024-11-10 14:28:37,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:37,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 275 [2024-11-10 14:28:37,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:37,569 INFO L124 PetriNetUnfolderBase]: 481/3341 cut-off events. [2024-11-10 14:28:37,569 INFO L125 PetriNetUnfolderBase]: For 299/317 co-relation queries the response was YES. [2024-11-10 14:28:37,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4349 conditions, 3341 events. 481/3341 cut-off events. For 299/317 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 30656 event pairs, 57 based on Foata normal form. 9/2941 useless extension candidates. Maximal degree in co-relation 4138. Up to 280 conditions per place. [2024-11-10 14:28:37,594 INFO L140 encePairwiseOnDemand]: 268/275 looper letters, 23 selfloop transitions, 11 changer transitions 0/237 dead transitions. [2024-11-10 14:28:37,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 237 transitions, 666 flow [2024-11-10 14:28:37,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 723 transitions. [2024-11-10 14:28:37,597 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8763636363636363 [2024-11-10 14:28:37,597 INFO L175 Difference]: Start difference. First operand has 209 places, 223 transitions, 546 flow. Second operand 3 states and 723 transitions. [2024-11-10 14:28:37,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 237 transitions, 666 flow [2024-11-10 14:28:37,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 237 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:37,604 INFO L231 Difference]: Finished difference. Result has 211 places, 231 transitions, 622 flow [2024-11-10 14:28:37,605 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=211, PETRI_TRANSITIONS=231} [2024-11-10 14:28:37,607 INFO L277 CegarLoopForPetriNet]: 235 programPoint places, -24 predicate places. [2024-11-10 14:28:37,608 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 231 transitions, 622 flow [2024-11-10 14:28:37,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2024-11-10 14:28:37,608 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:37,609 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] [2024-11-10 14:28:37,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:28:37,609 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting monitor_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr5ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-10 14:28:37,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:37,609 INFO L85 PathProgramCache]: Analyzing trace with hash 943020996, now seen corresponding path program 1 times [2024-11-10 14:28:37,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:37,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405513805] [2024-11-10 14:28:37,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:37,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:37,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:37,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405513805] [2024-11-10 14:28:37,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405513805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:37,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:37,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:28:37,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529655365] [2024-11-10 14:28:37,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:37,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:37,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:28:37,744 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 275 [2024-11-10 14:28:37,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 231 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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) [2024-11-10 14:28:37,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:37,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 275 [2024-11-10 14:28:37,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:38,242 INFO L124 PetriNetUnfolderBase]: 606/4074 cut-off events. [2024-11-10 14:28:38,243 INFO L125 PetriNetUnfolderBase]: For 816/836 co-relation queries the response was YES. [2024-11-10 14:28:38,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5532 conditions, 4074 events. 606/4074 cut-off events. For 816/836 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 39251 event pairs, 78 based on Foata normal form. 3/3568 useless extension candidates. Maximal degree in co-relation 5262. Up to 339 conditions per place. [2024-11-10 14:28:38,284 INFO L140 encePairwiseOnDemand]: 268/275 looper letters, 27 selfloop transitions, 14 changer transitions 0/245 dead transitions. [2024-11-10 14:28:38,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 245 transitions, 777 flow [2024-11-10 14:28:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2024-11-10 14:28:38,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8739393939393939 [2024-11-10 14:28:38,287 INFO L175 Difference]: Start difference. First operand has 211 places, 231 transitions, 622 flow. Second operand 3 states and 721 transitions. [2024-11-10 14:28:38,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 245 transitions, 777 flow [2024-11-10 14:28:38,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 245 transitions, 747 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:38,295 INFO L231 Difference]: Finished difference. Result has 213 places, 241 transitions, 734 flow [2024-11-10 14:28:38,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=213, PETRI_TRANSITIONS=241} [2024-11-10 14:28:38,298 INFO L277 CegarLoopForPetriNet]: 235 programPoint places, -22 predicate places. [2024-11-10 14:28:38,298 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 241 transitions, 734 flow [2024-11-10 14:28:38,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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) [2024-11-10 14:28:38,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:38,299 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, 1, 1, 1, 1, 1] [2024-11-10 14:28:38,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:28:38,300 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr5ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-10 14:28:38,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:38,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1236758894, now seen corresponding path program 1 times [2024-11-10 14:28:38,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:38,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509390005] [2024-11-10 14:28:38,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:38,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:28:38,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:28:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:28:38,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:28:38,402 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:28:38,403 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2024-11-10 14:28:38,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2024-11-10 14:28:38,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2024-11-10 14:28:38,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2024-11-10 14:28:38,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2024-11-10 14:28:38,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2024-11-10 14:28:38,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2024-11-10 14:28:38,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2024-11-10 14:28:38,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2024-11-10 14:28:38,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2024-11-10 14:28:38,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2024-11-10 14:28:38,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2024-11-10 14:28:38,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2024-11-10 14:28:38,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2024-11-10 14:28:38,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2024-11-10 14:28:38,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2024-11-10 14:28:38,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2024-11-10 14:28:38,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 29 remaining) [2024-11-10 14:28:38,407 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 29 remaining) [2024-11-10 14:28:38,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2024-11-10 14:28:38,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2024-11-10 14:28:38,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2024-11-10 14:28:38,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2024-11-10 14:28:38,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2024-11-10 14:28:38,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2024-11-10 14:28:38,408 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2024-11-10 14:28:38,409 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2024-11-10 14:28:38,409 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2024-11-10 14:28:38,409 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2024-11-10 14:28:38,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:28:38,409 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:38,513 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:28:38,513 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:28:38,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:28:38 BasicIcfg [2024-11-10 14:28:38,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:28:38,520 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:28:38,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:28:38,521 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:28:38,521 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:34" (3/4) ... [2024-11-10 14:28:38,522 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-10 14:28:38,621 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:28:38,622 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:28:38,622 INFO L158 Benchmark]: Toolchain (without parser) took 5517.38ms. Allocated memory was 136.3MB in the beginning and 289.4MB in the end (delta: 153.1MB). Free memory was 79.3MB in the beginning and 222.0MB in the end (delta: -142.7MB). Peak memory consumption was 169.0MB. Max. memory is 16.1GB. [2024-11-10 14:28:38,622 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 111.1MB in the beginning and 110.9MB in the end (delta: 154.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:28:38,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 936.33ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 79.1MB in the beginning and 108.1MB in the end (delta: -29.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-10 14:28:38,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.74ms. Allocated memory is still 190.8MB. Free memory was 108.1MB in the beginning and 105.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:28:38,623 INFO L158 Benchmark]: Boogie Preprocessor took 41.52ms. Allocated memory is still 190.8MB. Free memory was 105.0MB in the beginning and 101.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:28:38,625 INFO L158 Benchmark]: IcfgBuilder took 681.75ms. Allocated memory is still 190.8MB. Free memory was 101.8MB in the beginning and 72.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 14:28:38,625 INFO L158 Benchmark]: TraceAbstraction took 3655.59ms. Allocated memory was 190.8MB in the beginning and 289.4MB in the end (delta: 98.6MB). Free memory was 151.5MB in the beginning and 70.5MB in the end (delta: 81.0MB). Peak memory consumption was 178.7MB. Max. memory is 16.1GB. [2024-11-10 14:28:38,625 INFO L158 Benchmark]: Witness Printer took 101.24ms. Allocated memory is still 289.4MB. Free memory was 70.5MB in the beginning and 222.0MB in the end (delta: -151.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-10 14:28:38,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 111.1MB in the beginning and 110.9MB in the end (delta: 154.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 936.33ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 79.1MB in the beginning and 108.1MB in the end (delta: -29.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.74ms. Allocated memory is still 190.8MB. Free memory was 108.1MB in the beginning and 105.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.52ms. Allocated memory is still 190.8MB. Free memory was 105.0MB in the beginning and 101.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 681.75ms. Allocated memory is still 190.8MB. Free memory was 101.8MB in the beginning and 72.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3655.59ms. Allocated memory was 190.8MB in the beginning and 289.4MB in the end (delta: 98.6MB). Free memory was 151.5MB in the beginning and 70.5MB in the end (delta: 81.0MB). Peak memory consumption was 178.7MB. Max. memory is 16.1GB. * Witness Printer took 101.24ms. Allocated memory is still 289.4MB. Free memory was 70.5MB in the beginning and 222.0MB in the end (delta: -151.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1830]: Data race detected Data race detected The following path leads to a data race: [L1797] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex={1:0}] [L1798] 0 long counter; VAL [counter=0, mutex={1:0}] [L1799] 0 time_t end_time; VAL [counter=0, end_time=0, mutex={1:0}] [L1836] 0 int status; VAL [\old(argc)=1150, \old(argv)={1154:1152}, argc=1150, counter=0, end_time=0, mutex={1:0}] [L1837] 0 pthread_t counter_thread_id; VAL [\old(argc)=1150, \old(argv)={1154:1152}, argc=1150, counter=0, end_time=0, mutex={1:0}] [L1838] 0 pthread_t monitor_thread_id; VAL [\old(argc)=1150, \old(argv)={1154:1152}, argc=1150, counter=0, end_time=0, mutex={1:0}] [L1839] 0 end_time = time (((void *)0)) + 60 VAL [\old(argc)=1150, \old(argv)={1154:1152}, argc=1150, counter=0, end_time=60, mutex={1:0}] [L1840] EXPR, FCALL, FORK 0 pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1154:1152}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}] [L1801] 1 int status; VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}] [L1802] 1 int spin; VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}] [L1803] 1 time (((void *)0)) < end_time VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}] [L1803] COND TRUE 1 time (((void *)0)) < end_time VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}] [L1804] 1 status = pthread_mutex_lock (&mutex) VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, status=0] [L1805] COND FALSE 1 !(status != 0) VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, status=0] [L1807] 1 spin = 0 VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0] [L1807] COND TRUE 1 spin < 10000000 VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0] [L1808] 1 counter++ VAL [\old(arg)={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0] [L1840] 0 status = pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1154:1152}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}, spin=0, status=0, status=0] [L1841] COND FALSE 0 !(status != 0) VAL [\old(arg)={0:0}, \old(argc)=1150, \old(argv)={1154:1152}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, mutex={1:0}, spin=0, status=0, status=0] [L1843] FCALL, FORK 0 pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=1150, \old(argv)={1154:1152}, arg={0:0}, argc=1150, counter=0, counter_thread_id=-1, end_time=60, monitor_thread_id=0, mutex={1:0}, spin=0, status=0, status=0] [L1817] 2 int status; VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={1:0}, spin=0, status=0] [L1818] 2 int misses = 0; VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0] [L1819] 2 time (((void *)0)) < end_time VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0] [L1819] COND TRUE 2 time (((void *)0)) < end_time VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0] [L1821] 2 status = pthread_mutex_trylock (&mutex) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] [L1822] COND FALSE 2 !(status != 16) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] [L1830] 2 counter++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] [L1808] 1 counter++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] [L1830] 2 counter++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=60, misses=0, mutex={1:0}, spin=0, status=0, status=16] Now there is a data race on ~counter~0 between C: counter++ [1808] and C: counter++ [1830] - UnprovableResult [Line: 1819]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1824]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1828]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1803]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1806]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1811]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1842]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1845]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1848]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1851]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1843]: 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: 1840]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 369 locations, 29 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: 3.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 20 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=734occurred in iteration=6, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-10 14:28:38,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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