./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_3b-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-1_3b-join.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:26:45,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:26:45,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:26:45,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:26:45,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:26:45,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:26:45,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:26:45,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:26:45,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:26:45,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:26:45,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:26:45,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:26:45,300 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:26:45,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:26:45,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:26:45,301 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:26:45,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:26:45,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:26:45,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:26:45,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:26:45,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:26:45,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:26:45,302 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:26:45,302 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:26:45,302 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:26:45,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:26:45,302 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:26:45,302 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:26:45,302 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:26:45,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:26:45,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:26:45,303 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b [2025-02-08 05:26:45,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:26:45,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:26:45,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:26:45,608 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:26:45,609 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:26:45,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_3b-join.i [2025-02-08 05:26:46,968 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8da975711/dc466735538342cb982685fe96e01133/FLAGe81110c2a [2025-02-08 05:26:47,358 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:26:47,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_3b-join.i [2025-02-08 05:26:47,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8da975711/dc466735538342cb982685fe96e01133/FLAGe81110c2a [2025-02-08 05:26:47,395 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8da975711/dc466735538342cb982685fe96e01133 [2025-02-08 05:26:47,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:26:47,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:26:47,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:26:47,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:26:47,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:26:47,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:26:47" (1/1) ... [2025-02-08 05:26:47,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd440f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:47, skipping insertion in model container [2025-02-08 05:26:47,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:26:47" (1/1) ... [2025-02-08 05:26:47,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:26:47,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:26:47,934 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:26:48,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:26:48,134 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:26:48,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48 WrapperNode [2025-02-08 05:26:48,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:26:48,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:26:48,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:26:48,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:26:48,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,179 INFO L138 Inliner]: procedures = 481, calls = 25, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 119 [2025-02-08 05:26:48,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:26:48,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:26:48,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:26:48,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:26:48,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,208 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:26:48,217 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:26:48,218 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:26:48,218 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:26:48,218 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (1/1) ... [2025-02-08 05:26:48,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:26:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:26:48,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:26:48,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:26:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:26:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:26:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:26:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-08 05:26:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:26:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:26:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 05:26:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:26:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 05:26:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 05:26:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:26:48,273 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:26:48,535 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:26:48,538 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:26:48,739 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:26:48,740 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:26:48,761 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:26:48,762 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:26:48,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:26:48 BoogieIcfgContainer [2025-02-08 05:26:48,762 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:26:48,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:26:48,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:26:48,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:26:48,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:26:47" (1/3) ... [2025-02-08 05:26:48,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c72e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:26:48, skipping insertion in model container [2025-02-08 05:26:48,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:26:48" (2/3) ... [2025-02-08 05:26:48,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c72e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:26:48, skipping insertion in model container [2025-02-08 05:26:48,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:26:48" (3/3) ... [2025-02-08 05:26:48,775 INFO L128 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2025-02-08 05:26:48,787 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:26:48,789 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-1_3b-join.i that has 2 procedures, 156 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2025-02-08 05:26:48,789 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:26:48,852 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 05:26:48,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 159 places, 163 transitions, 333 flow [2025-02-08 05:26:48,943 INFO L124 PetriNetUnfolderBase]: 6/130 cut-off events. [2025-02-08 05:26:48,945 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:48,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 130 events. 6/130 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 145 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2025-02-08 05:26:48,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 159 places, 163 transitions, 333 flow [2025-02-08 05:26:48,954 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 121 transitions, 245 flow [2025-02-08 05:26:48,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:26:48,972 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;@1873e626, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:26:48,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-08 05:26:48,981 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:26:48,982 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-02-08 05:26:48,982 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:48,982 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:48,982 INFO L206 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] [2025-02-08 05:26:48,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-02-08 05:26:48,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:48,988 INFO L85 PathProgramCache]: Analyzing trace with hash 424499735, now seen corresponding path program 1 times [2025-02-08 05:26:48,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:48,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898587285] [2025-02-08 05:26:48,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:48,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:49,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 05:26:49,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 05:26:49,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:49,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:49,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:49,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898587285] [2025-02-08 05:26:49,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898587285] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:49,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:49,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:49,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20136669] [2025-02-08 05:26:49,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:49,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:49,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:49,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:49,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:49,475 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 163 [2025-02-08 05:26:49,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 121 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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) [2025-02-08 05:26:49,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:49,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 163 [2025-02-08 05:26:49,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:49,529 INFO L124 PetriNetUnfolderBase]: 0/108 cut-off events. [2025-02-08 05:26:49,532 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:26:49,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 108 events. 0/108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 6/104 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2025-02-08 05:26:49,534 INFO L140 encePairwiseOnDemand]: 154/163 looper letters, 12 selfloop transitions, 2 changer transitions 9/108 dead transitions. [2025-02-08 05:26:49,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 108 transitions, 247 flow [2025-02-08 05:26:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:49,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions. [2025-02-08 05:26:49,551 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.852760736196319 [2025-02-08 05:26:49,553 INFO L175 Difference]: Start difference. First operand has 119 places, 121 transitions, 245 flow. Second operand 3 states and 417 transitions. [2025-02-08 05:26:49,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 108 transitions, 247 flow [2025-02-08 05:26:49,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 108 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:26:49,561 INFO L231 Difference]: Finished difference. Result has 113 places, 99 transitions, 204 flow [2025-02-08 05:26:49,563 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=113, PETRI_TRANSITIONS=99} [2025-02-08 05:26:49,566 INFO L279 CegarLoopForPetriNet]: 119 programPoint places, -6 predicate places. [2025-02-08 05:26:49,566 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 99 transitions, 204 flow [2025-02-08 05:26:49,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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) [2025-02-08 05:26:49,567 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:49,567 INFO L206 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] [2025-02-08 05:26:49,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:26:49,567 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-02-08 05:26:49,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:49,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1888079730, now seen corresponding path program 1 times [2025-02-08 05:26:49,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:49,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228118914] [2025-02-08 05:26:49,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:49,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:49,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 05:26:49,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 05:26:49,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:49,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:49,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:49,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228118914] [2025-02-08 05:26:49,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228118914] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:49,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:49,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:49,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5278216] [2025-02-08 05:26:49,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:49,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:49,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:49,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:49,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:49,780 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 163 [2025-02-08 05:26:49,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 99 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2025-02-08 05:26:49,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:49,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 163 [2025-02-08 05:26:49,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:49,807 INFO L124 PetriNetUnfolderBase]: 0/96 cut-off events. [2025-02-08 05:26:49,808 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:26:49,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 96 events. 0/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2025-02-08 05:26:49,809 INFO L140 encePairwiseOnDemand]: 154/163 looper letters, 6 selfloop transitions, 6 changer transitions 0/96 dead transitions. [2025-02-08 05:26:49,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 96 transitions, 222 flow [2025-02-08 05:26:49,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2025-02-08 05:26:49,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8282208588957055 [2025-02-08 05:26:49,813 INFO L175 Difference]: Start difference. First operand has 113 places, 99 transitions, 204 flow. Second operand 3 states and 405 transitions. [2025-02-08 05:26:49,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 96 transitions, 222 flow [2025-02-08 05:26:49,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 96 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:26:49,818 INFO L231 Difference]: Finished difference. Result has 101 places, 96 transitions, 206 flow [2025-02-08 05:26:49,818 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=101, PETRI_TRANSITIONS=96} [2025-02-08 05:26:49,818 INFO L279 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2025-02-08 05:26:49,819 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 96 transitions, 206 flow [2025-02-08 05:26:49,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2025-02-08 05:26:49,819 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:49,819 INFO L206 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] [2025-02-08 05:26:49,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:26:49,819 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-02-08 05:26:49,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:49,820 INFO L85 PathProgramCache]: Analyzing trace with hash -182527881, now seen corresponding path program 1 times [2025-02-08 05:26:49,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:49,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327872318] [2025-02-08 05:26:49,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:49,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:49,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 05:26:49,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 05:26:49,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:49,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:49,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:49,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327872318] [2025-02-08 05:26:49,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327872318] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:49,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:49,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:49,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084817146] [2025-02-08 05:26:49,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:49,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:49,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:49,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:49,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:49,996 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 163 [2025-02-08 05:26:49,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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) [2025-02-08 05:26:49,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:49,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 163 [2025-02-08 05:26:49,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:50,027 INFO L124 PetriNetUnfolderBase]: 0/95 cut-off events. [2025-02-08 05:26:50,027 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-08 05:26:50,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 95 events. 0/95 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2025-02-08 05:26:50,029 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 12 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2025-02-08 05:26:50,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 95 transitions, 232 flow [2025-02-08 05:26:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 411 transitions. [2025-02-08 05:26:50,033 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8404907975460123 [2025-02-08 05:26:50,033 INFO L175 Difference]: Start difference. First operand has 101 places, 96 transitions, 206 flow. Second operand 3 states and 411 transitions. [2025-02-08 05:26:50,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 95 transitions, 232 flow [2025-02-08 05:26:50,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 95 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:26:50,036 INFO L231 Difference]: Finished difference. Result has 100 places, 95 transitions, 196 flow [2025-02-08 05:26:50,037 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=100, PETRI_TRANSITIONS=95} [2025-02-08 05:26:50,038 INFO L279 CegarLoopForPetriNet]: 119 programPoint places, -19 predicate places. [2025-02-08 05:26:50,038 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 95 transitions, 196 flow [2025-02-08 05:26:50,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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) [2025-02-08 05:26:50,039 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:50,039 INFO L206 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] [2025-02-08 05:26:50,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:26:50,040 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-02-08 05:26:50,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:50,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1824983747, now seen corresponding path program 1 times [2025-02-08 05:26:50,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:50,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922388749] [2025-02-08 05:26:50,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:50,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:50,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 05:26:50,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 05:26:50,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:50,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:50,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:50,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922388749] [2025-02-08 05:26:50,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922388749] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:50,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:50,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:50,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058429645] [2025-02-08 05:26:50,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:50,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:50,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:50,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:50,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:50,156 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 163 [2025-02-08 05:26:50,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 95 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 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) [2025-02-08 05:26:50,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:50,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 163 [2025-02-08 05:26:50,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:50,177 INFO L124 PetriNetUnfolderBase]: 1/98 cut-off events. [2025-02-08 05:26:50,177 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:50,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 98 events. 1/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 74. Up to 8 conditions per place. [2025-02-08 05:26:50,178 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 8 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2025-02-08 05:26:50,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 95 transitions, 216 flow [2025-02-08 05:26:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2025-02-08 05:26:50,180 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8752556237218814 [2025-02-08 05:26:50,180 INFO L175 Difference]: Start difference. First operand has 100 places, 95 transitions, 196 flow. Second operand 3 states and 428 transitions. [2025-02-08 05:26:50,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 95 transitions, 216 flow [2025-02-08 05:26:50,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 212 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:26:50,189 INFO L231 Difference]: Finished difference. Result has 99 places, 94 transitions, 194 flow [2025-02-08 05:26:50,189 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=99, PETRI_TRANSITIONS=94} [2025-02-08 05:26:50,190 INFO L279 CegarLoopForPetriNet]: 119 programPoint places, -20 predicate places. [2025-02-08 05:26:50,190 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 94 transitions, 194 flow [2025-02-08 05:26:50,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 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) [2025-02-08 05:26:50,190 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:50,190 INFO L206 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] [2025-02-08 05:26:50,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:26:50,191 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-02-08 05:26:50,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:50,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1564677934, now seen corresponding path program 1 times [2025-02-08 05:26:50,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:50,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799904741] [2025-02-08 05:26:50,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:50,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:50,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 05:26:50,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 05:26:50,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:50,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:50,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799904741] [2025-02-08 05:26:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799904741] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:50,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:50,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:26:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797893657] [2025-02-08 05:26:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:50,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:26:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:50,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:26:50,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:26:50,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 163 [2025-02-08 05:26:50,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2025-02-08 05:26:50,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:50,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 163 [2025-02-08 05:26:50,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:50,362 INFO L124 PetriNetUnfolderBase]: 0/93 cut-off events. [2025-02-08 05:26:50,363 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:50,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 93 events. 0/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 1/92 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2025-02-08 05:26:50,363 INFO L140 encePairwiseOnDemand]: 161/163 looper letters, 6 selfloop transitions, 0 changer transitions 19/93 dead transitions. [2025-02-08 05:26:50,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 93 transitions, 212 flow [2025-02-08 05:26:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:26:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:26:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 413 transitions. [2025-02-08 05:26:50,365 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8445807770961146 [2025-02-08 05:26:50,365 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 194 flow. Second operand 3 states and 413 transitions. [2025-02-08 05:26:50,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 93 transitions, 212 flow [2025-02-08 05:26:50,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 93 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:26:50,367 INFO L231 Difference]: Finished difference. Result has 98 places, 74 transitions, 148 flow [2025-02-08 05:26:50,367 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=98, PETRI_TRANSITIONS=74} [2025-02-08 05:26:50,368 INFO L279 CegarLoopForPetriNet]: 119 programPoint places, -21 predicate places. [2025-02-08 05:26:50,368 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 74 transitions, 148 flow [2025-02-08 05:26:50,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2025-02-08 05:26:50,369 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:26:50,369 INFO L206 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] [2025-02-08 05:26:50,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:26:50,369 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2025-02-08 05:26:50,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:26:50,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1078864424, now seen corresponding path program 1 times [2025-02-08 05:26:50,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:26:50,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315732327] [2025-02-08 05:26:50,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:26:50,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:26:50,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 05:26:50,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 05:26:50,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:26:50,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:26:50,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:26:50,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:26:50,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315732327] [2025-02-08 05:26:50,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315732327] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:26:50,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:26:50,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 05:26:50,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878532722] [2025-02-08 05:26:50,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:26:50,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 05:26:50,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:26:50,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 05:26:50,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 05:26:50,568 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 163 [2025-02-08 05:26:50,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 74 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 139.5) internal successors, (558), 4 states have internal predecessors, (558), 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) [2025-02-08 05:26:50,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:26:50,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 163 [2025-02-08 05:26:50,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:26:50,592 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2025-02-08 05:26:50,592 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:26:50,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 0/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/55 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2025-02-08 05:26:50,592 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2025-02-08 05:26:50,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 54 transitions, 116 flow [2025-02-08 05:26:50,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 05:26:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 05:26:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 557 transitions. [2025-02-08 05:26:50,595 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8542944785276073 [2025-02-08 05:26:50,595 INFO L175 Difference]: Start difference. First operand has 98 places, 74 transitions, 148 flow. Second operand 4 states and 557 transitions. [2025-02-08 05:26:50,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 54 transitions, 116 flow [2025-02-08 05:26:50,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 54 transitions, 116 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:26:50,597 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2025-02-08 05:26:50,597 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2025-02-08 05:26:50,598 INFO L279 CegarLoopForPetriNet]: 119 programPoint places, -60 predicate places. [2025-02-08 05:26:50,598 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2025-02-08 05:26:50,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.5) internal successors, (558), 4 states have internal predecessors, (558), 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) [2025-02-08 05:26:50,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-02-08 05:26:50,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2025-02-08 05:26:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-02-08 05:26:50,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 05:26:50,603 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-08 05:26:50,608 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:26:50,608 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:26:50,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:26:50 BasicIcfg [2025-02-08 05:26:50,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:26:50,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:26:50,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:26:50,615 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:26:50,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:26:48" (3/4) ... [2025-02-08 05:26:50,618 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:26:50,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 05:26:50,626 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-08 05:26:50,626 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 05:26:50,627 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:26:50,627 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:26:50,717 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:26:50,718 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:26:50,718 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:26:50,718 INFO L158 Benchmark]: Toolchain (without parser) took 3318.37ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 44.9MB in the end (delta: 58.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2025-02-08 05:26:50,719 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:26:50,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.19ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 51.4MB in the end (delta: 51.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-08 05:26:50,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.91ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 48.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:26:50,720 INFO L158 Benchmark]: Boogie Preprocessor took 36.35ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 45.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:26:50,721 INFO L158 Benchmark]: IcfgBuilder took 544.94ms. Allocated memory is still 142.6MB. Free memory was 45.7MB in the beginning and 92.5MB in the end (delta: -46.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2025-02-08 05:26:50,722 INFO L158 Benchmark]: TraceAbstraction took 1848.02ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 51.2MB in the end (delta: 40.5MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2025-02-08 05:26:50,722 INFO L158 Benchmark]: Witness Printer took 102.95ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 44.9MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:26:50,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.19ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 51.4MB in the end (delta: 51.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.91ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 48.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.35ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 45.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 544.94ms. Allocated memory is still 142.6MB. Free memory was 45.7MB in the beginning and 92.5MB in the end (delta: -46.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1848.02ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 51.2MB in the end (delta: 40.5MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 102.95ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 44.9MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1723]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 171 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 264 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 39 mSDtfsCounter, 245 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 0.6s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:26:50,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 Result: TRUE