./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/pthread-ext/33_double_lock_p1_vs.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 3937112f59473340c79cc2d7ab59a9fe9e4faa83d54303e5490f5452d86b21aa --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 10:45:37,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 10:45:37,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 10:45:37,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 10:45:37,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 10:45:37,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 10:45:37,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 10:45:37,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 10:45:37,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 10:45:37,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 10:45:37,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 10:45:37,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 10:45:37,814 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 10:45:37,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 10:45:37,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 10:45:37,814 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 10:45:37,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 10:45:37,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 10:45:37,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 10:45:37,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 10:45:37,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 10:45:37,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 10:45:37,815 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 10:45:37,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 10:45:37,815 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 10:45:37,816 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 10:45:37,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 10:45:37,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 10:45:37,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 10:45:37,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 10:45:37,817 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 10:45:37,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 10:45:37,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 10:45:37,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 10:45:37,817 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/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 -> 3937112f59473340c79cc2d7ab59a9fe9e4faa83d54303e5490f5452d86b21aa [2025-03-17 10:45:38,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 10:45:38,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 10:45:38,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 10:45:38,034 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 10:45:38,034 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 10:45:38,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2025-03-17 10:45:39,209 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4818e3e4/e8a4ee7dc49b440f866407c6f30f7e56/FLAG76f145382 [2025-03-17 10:45:39,487 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 10:45:39,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2025-03-17 10:45:39,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4818e3e4/e8a4ee7dc49b440f866407c6f30f7e56/FLAG76f145382 [2025-03-17 10:45:39,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4818e3e4/e8a4ee7dc49b440f866407c6f30f7e56 [2025-03-17 10:45:39,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 10:45:39,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 10:45:39,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 10:45:39,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 10:45:39,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 10:45:39,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:45:39" (1/1) ... [2025-03-17 10:45:39,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736f61e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:39, skipping insertion in model container [2025-03-17 10:45:39,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:45:39" (1/1) ... [2025-03-17 10:45:39,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 10:45:40,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 10:45:40,073 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 10:45:40,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 10:45:40,126 INFO L204 MainTranslator]: Completed translation [2025-03-17 10:45:40,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40 WrapperNode [2025-03-17 10:45:40,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 10:45:40,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 10:45:40,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 10:45:40,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 10:45:40,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,161 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 275 [2025-03-17 10:45:40,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 10:45:40,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 10:45:40,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 10:45:40,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 10:45:40,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 10:45:40,195 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 10:45:40,195 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 10:45:40,195 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 10:45:40,196 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (1/1) ... [2025-03-17 10:45:40,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 10:45:40,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 10:45:40,235 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) [2025-03-17 10:45:40,237 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 [2025-03-17 10:45:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 10:45:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2025-03-17 10:45:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2025-03-17 10:45:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-03-17 10:45:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-03-17 10:45:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 10:45:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 10:45:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 10:45:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 10:45:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 10:45:40,257 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 10:45:40,348 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 10:45:40,349 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 10:45:40,723 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 10:45:40,723 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 10:45:40,973 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 10:45:40,974 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 10:45:40,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:45:40 BoogieIcfgContainer [2025-03-17 10:45:40,974 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 10:45:40,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 10:45:40,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 10:45:40,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 10:45:40,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 10:45:39" (1/3) ... [2025-03-17 10:45:40,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa992cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 10:45:40, skipping insertion in model container [2025-03-17 10:45:40,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:45:40" (2/3) ... [2025-03-17 10:45:40,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa992cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 10:45:40, skipping insertion in model container [2025-03-17 10:45:40,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:45:40" (3/3) ... [2025-03-17 10:45:40,983 INFO L128 eAbstractionObserver]: Analyzing ICFG 33_double_lock_p1_vs.i [2025-03-17 10:45:40,994 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 10:45:40,996 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 33_double_lock_p1_vs.i that has 3 procedures, 96 locations, 1 initial locations, 2 loop locations, and 26 error locations. [2025-03-17 10:45:40,997 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 10:45:41,055 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-17 10:45:41,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 101 transitions, 210 flow [2025-03-17 10:45:41,128 INFO L124 PetriNetUnfolderBase]: 5/107 cut-off events. [2025-03-17 10:45:41,130 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 10:45:41,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 107 events. 5/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 296 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2025-03-17 10:45:41,137 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 101 transitions, 210 flow [2025-03-17 10:45:41,140 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 100 transitions, 207 flow [2025-03-17 10:45:41,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 10:45:41,158 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;@5b0fea12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 10:45:41,159 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-03-17 10:45:41,163 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 10:45:41,163 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-03-17 10:45:41,163 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 10:45:41,164 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:45:41,164 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] [2025-03-17 10:45:41,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-17 10:45:41,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:45:41,168 INFO L85 PathProgramCache]: Analyzing trace with hash -364112642, now seen corresponding path program 1 times [2025-03-17 10:45:41,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:45:41,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348539256] [2025-03-17 10:45:41,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:45:41,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:45:41,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 10:45:41,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 10:45:41,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:41,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:45:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:45:41,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:45:41,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348539256] [2025-03-17 10:45:41,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348539256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:45:41,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:45:41,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 10:45:41,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108917793] [2025-03-17 10:45:41,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:45:41,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 10:45:41,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:45:41,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 10:45:41,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 10:45:41,608 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 101 [2025-03-17 10:45:41,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 100 transitions, 207 flow. Second operand has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 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) [2025-03-17 10:45:41,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:45:41,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 101 [2025-03-17 10:45:41,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:45:41,731 INFO L124 PetriNetUnfolderBase]: 54/200 cut-off events. [2025-03-17 10:45:41,731 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-17 10:45:41,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 200 events. 54/200 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 778 event pairs, 35 based on Foata normal form. 56/228 useless extension candidates. Maximal degree in co-relation 281. Up to 95 conditions per place. [2025-03-17 10:45:41,735 INFO L140 encePairwiseOnDemand]: 73/101 looper letters, 14 selfloop transitions, 0 changer transitions 0/65 dead transitions. [2025-03-17 10:45:41,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 65 transitions, 165 flow [2025-03-17 10:45:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 10:45:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-17 10:45:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 158 transitions. [2025-03-17 10:45:41,746 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7821782178217822 [2025-03-17 10:45:41,747 INFO L175 Difference]: Start difference. First operand has 101 places, 100 transitions, 207 flow. Second operand 2 states and 158 transitions. [2025-03-17 10:45:41,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 65 transitions, 165 flow [2025-03-17 10:45:41,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 65 transitions, 164 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 10:45:41,753 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 136 flow [2025-03-17 10:45:41,755 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=136, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2025-03-17 10:45:41,757 INFO L279 CegarLoopForPetriNet]: 101 programPoint places, -33 predicate places. [2025-03-17 10:45:41,757 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 136 flow [2025-03-17 10:45:41,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 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) [2025-03-17 10:45:41,758 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:45:41,758 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] [2025-03-17 10:45:41,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 10:45:41,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-17 10:45:41,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:45:41,759 INFO L85 PathProgramCache]: Analyzing trace with hash -2019870205, now seen corresponding path program 1 times [2025-03-17 10:45:41,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:45:41,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951833270] [2025-03-17 10:45:41,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:45:41,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:45:41,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 10:45:41,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 10:45:41,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:41,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:45:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:45:41,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:45:41,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951833270] [2025-03-17 10:45:41,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951833270] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:45:41,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:45:41,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 10:45:41,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214676382] [2025-03-17 10:45:41,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:45:41,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:45:41,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:45:41,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:45:41,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:45:41,825 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 101 [2025-03-17 10:45:41,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2025-03-17 10:45:41,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:45:41,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 101 [2025-03-17 10:45:41,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:45:41,949 INFO L124 PetriNetUnfolderBase]: 146/415 cut-off events. [2025-03-17 10:45:41,949 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-17 10:45:41,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 415 events. 146/415 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2137 event pairs, 13 based on Foata normal form. 0/376 useless extension candidates. Maximal degree in co-relation 718. Up to 148 conditions per place. [2025-03-17 10:45:41,952 INFO L140 encePairwiseOnDemand]: 91/101 looper letters, 29 selfloop transitions, 8 changer transitions 0/82 dead transitions. [2025-03-17 10:45:41,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 82 transitions, 247 flow [2025-03-17 10:45:41,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:45:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:45:41,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2025-03-17 10:45:41,954 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6435643564356436 [2025-03-17 10:45:41,954 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 136 flow. Second operand 3 states and 195 transitions. [2025-03-17 10:45:41,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 82 transitions, 247 flow [2025-03-17 10:45:41,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 82 transitions, 247 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 10:45:41,957 INFO L231 Difference]: Finished difference. Result has 72 places, 73 transitions, 204 flow [2025-03-17 10:45:41,957 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=72, PETRI_TRANSITIONS=73} [2025-03-17 10:45:41,958 INFO L279 CegarLoopForPetriNet]: 101 programPoint places, -29 predicate places. [2025-03-17 10:45:41,958 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 204 flow [2025-03-17 10:45:41,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2025-03-17 10:45:41,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:45:41,959 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 10:45:41,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 10:45:41,959 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-17 10:45:41,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:45:41,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2022005087, now seen corresponding path program 1 times [2025-03-17 10:45:41,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:45:41,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354305394] [2025-03-17 10:45:41,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:45:41,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:45:41,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 10:45:41,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 10:45:41,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:41,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 10:45:41,973 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 10:45:41,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 10:45:41,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 10:45:41,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:41,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 10:45:42,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 10:45:42,000 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 10:45:42,001 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-03-17 10:45:42,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-03-17 10:45:42,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-03-17 10:45:42,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-03-17 10:45:42,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 10:45:42,005 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-17 10:45:42,008 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-17 10:45:42,008 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-17 10:45:42,064 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-17 10:45:42,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 170 transitions, 360 flow [2025-03-17 10:45:42,083 INFO L124 PetriNetUnfolderBase]: 6/152 cut-off events. [2025-03-17 10:45:42,084 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 10:45:42,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 152 events. 6/152 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 504 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 159. Up to 3 conditions per place. [2025-03-17 10:45:42,085 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 170 transitions, 360 flow [2025-03-17 10:45:42,088 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 136 transitions, 285 flow [2025-03-17 10:45:42,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 10:45:42,091 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;@5b0fea12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 10:45:42,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2025-03-17 10:45:42,094 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 10:45:42,094 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-03-17 10:45:42,094 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 10:45:42,095 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:45:42,095 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] [2025-03-17 10:45:42,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-17 10:45:42,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:45:42,095 INFO L85 PathProgramCache]: Analyzing trace with hash -468659614, now seen corresponding path program 1 times [2025-03-17 10:45:42,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:45:42,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924120934] [2025-03-17 10:45:42,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:45:42,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:45:42,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 10:45:42,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 10:45:42,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:42,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:45:42,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:45:42,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:45:42,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924120934] [2025-03-17 10:45:42,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924120934] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:45:42,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:45:42,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 10:45:42,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231189121] [2025-03-17 10:45:42,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:45:42,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 10:45:42,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:45:42,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 10:45:42,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 10:45:42,236 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 170 [2025-03-17 10:45:42,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 136 transitions, 285 flow. Second operand has 2 states, 2 states have (on average 86.0) internal successors, (172), 2 states have internal predecessors, (172), 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) [2025-03-17 10:45:42,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:45:42,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 170 [2025-03-17 10:45:42,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:45:42,539 INFO L124 PetriNetUnfolderBase]: 882/1658 cut-off events. [2025-03-17 10:45:42,539 INFO L125 PetriNetUnfolderBase]: For 141/141 co-relation queries the response was YES. [2025-03-17 10:45:42,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3072 conditions, 1658 events. 882/1658 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 10370 event pairs, 719 based on Foata normal form. 610/2216 useless extension candidates. Maximal degree in co-relation 3044. Up to 1265 conditions per place. [2025-03-17 10:45:42,554 INFO L140 encePairwiseOnDemand]: 126/170 looper letters, 23 selfloop transitions, 0 changer transitions 0/85 dead transitions. [2025-03-17 10:45:42,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 85 transitions, 229 flow [2025-03-17 10:45:42,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 10:45:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-17 10:45:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 237 transitions. [2025-03-17 10:45:42,558 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6970588235294117 [2025-03-17 10:45:42,559 INFO L175 Difference]: Start difference. First operand has 138 places, 136 transitions, 285 flow. Second operand 2 states and 237 transitions. [2025-03-17 10:45:42,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 85 transitions, 229 flow [2025-03-17 10:45:42,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 85 transitions, 228 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 10:45:42,563 INFO L231 Difference]: Finished difference. Result has 89 places, 85 transitions, 182 flow [2025-03-17 10:45:42,563 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=182, PETRI_PLACES=89, PETRI_TRANSITIONS=85} [2025-03-17 10:45:42,564 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -49 predicate places. [2025-03-17 10:45:42,564 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 85 transitions, 182 flow [2025-03-17 10:45:42,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.0) internal successors, (172), 2 states have internal predecessors, (172), 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) [2025-03-17 10:45:42,565 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:45:42,565 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] [2025-03-17 10:45:42,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 10:45:42,565 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-17 10:45:42,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:45:42,566 INFO L85 PathProgramCache]: Analyzing trace with hash 589711367, now seen corresponding path program 1 times [2025-03-17 10:45:42,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:45:42,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460397] [2025-03-17 10:45:42,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:45:42,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:45:42,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 10:45:42,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 10:45:42,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:42,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:45:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:45:42,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:45:42,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460397] [2025-03-17 10:45:42,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460397] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:45:42,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:45:42,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 10:45:42,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366602223] [2025-03-17 10:45:42,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:45:42,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:45:42,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:45:42,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:45:42,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:45:42,611 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 170 [2025-03-17 10:45:42,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 85 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2025-03-17 10:45:42,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:45:42,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 170 [2025-03-17 10:45:42,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:45:43,202 INFO L124 PetriNetUnfolderBase]: 3011/5710 cut-off events. [2025-03-17 10:45:43,203 INFO L125 PetriNetUnfolderBase]: For 458/458 co-relation queries the response was YES. [2025-03-17 10:45:43,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10572 conditions, 5710 events. 3011/5710 cut-off events. For 458/458 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 44993 event pairs, 910 based on Foata normal form. 0/5220 useless extension candidates. Maximal degree in co-relation 10567. Up to 2663 conditions per place. [2025-03-17 10:45:43,242 INFO L140 encePairwiseOnDemand]: 156/170 looper letters, 43 selfloop transitions, 12 changer transitions 0/111 dead transitions. [2025-03-17 10:45:43,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 111 transitions, 352 flow [2025-03-17 10:45:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:45:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:45:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2025-03-17 10:45:43,245 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5411764705882353 [2025-03-17 10:45:43,245 INFO L175 Difference]: Start difference. First operand has 89 places, 85 transitions, 182 flow. Second operand 3 states and 276 transitions. [2025-03-17 10:45:43,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 111 transitions, 352 flow [2025-03-17 10:45:43,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 111 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 10:45:43,247 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 282 flow [2025-03-17 10:45:43,248 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2025-03-17 10:45:43,248 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -45 predicate places. [2025-03-17 10:45:43,248 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 282 flow [2025-03-17 10:45:43,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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) [2025-03-17 10:45:43,248 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:45:43,249 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] [2025-03-17 10:45:43,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 10:45:43,249 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-17 10:45:43,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:45:43,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1673551431, now seen corresponding path program 1 times [2025-03-17 10:45:43,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:45:43,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596810751] [2025-03-17 10:45:43,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:45:43,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:45:43,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 10:45:43,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 10:45:43,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:43,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:45:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:45:43,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:45:43,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596810751] [2025-03-17 10:45:43,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596810751] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:45:43,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:45:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 10:45:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554222492] [2025-03-17 10:45:43,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:45:43,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:45:43,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:45:43,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:45:43,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:45:43,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 170 [2025-03-17 10:45:43,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2025-03-17 10:45:43,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:45:43,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 170 [2025-03-17 10:45:43,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:45:43,978 INFO L124 PetriNetUnfolderBase]: 2682/5982 cut-off events. [2025-03-17 10:45:43,978 INFO L125 PetriNetUnfolderBase]: For 2758/2758 co-relation queries the response was YES. [2025-03-17 10:45:43,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13457 conditions, 5982 events. 2682/5982 cut-off events. For 2758/2758 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 48912 event pairs, 531 based on Foata normal form. 211/5907 useless extension candidates. Maximal degree in co-relation 13450. Up to 1878 conditions per place. [2025-03-17 10:45:44,021 INFO L140 encePairwiseOnDemand]: 161/170 looper letters, 51 selfloop transitions, 9 changer transitions 0/124 dead transitions. [2025-03-17 10:45:44,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 124 transitions, 512 flow [2025-03-17 10:45:44,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:45:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:45:44,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 296 transitions. [2025-03-17 10:45:44,023 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5803921568627451 [2025-03-17 10:45:44,023 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 282 flow. Second operand 3 states and 296 transitions. [2025-03-17 10:45:44,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 124 transitions, 512 flow [2025-03-17 10:45:44,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 124 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 10:45:44,037 INFO L231 Difference]: Finished difference. Result has 94 places, 103 transitions, 309 flow [2025-03-17 10:45:44,039 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=309, PETRI_PLACES=94, PETRI_TRANSITIONS=103} [2025-03-17 10:45:44,039 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -44 predicate places. [2025-03-17 10:45:44,039 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 103 transitions, 309 flow [2025-03-17 10:45:44,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2025-03-17 10:45:44,040 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:45:44,040 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] [2025-03-17 10:45:44,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 10:45:44,040 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-03-17 10:45:44,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:45:44,040 INFO L85 PathProgramCache]: Analyzing trace with hash 541144463, now seen corresponding path program 1 times [2025-03-17 10:45:44,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:45:44,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497005869] [2025-03-17 10:45:44,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:45:44,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:45:44,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 10:45:44,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 10:45:44,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:44,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 10:45:44,056 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 10:45:44,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 10:45:44,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 10:45:44,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:45:44,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 10:45:44,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 10:45:44,070 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2025-03-17 10:45:44,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2025-03-17 10:45:44,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2025-03-17 10:45:44,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2025-03-17 10:45:44,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (34 of 80 remaining) [2025-03-17 10:45:44,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (33 of 80 remaining) [2025-03-17 10:45:44,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2025-03-17 10:45:44,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2025-03-17 10:45:44,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2025-03-17 10:45:44,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2025-03-17 10:45:44,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2025-03-17 10:45:44,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2025-03-17 10:45:44,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2025-03-17 10:45:44,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2025-03-17 10:45:44,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2025-03-17 10:45:44,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 10:45:44,076 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-17 10:45:44,114 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2025-03-17 10:45:44,114 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 10:45:44,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 10:45:44 BasicIcfg [2025-03-17 10:45:44,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 10:45:44,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 10:45:44,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 10:45:44,121 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 10:45:44,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:45:40" (3/4) ... [2025-03-17 10:45:44,122 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-17 10:45:44,163 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 16. [2025-03-17 10:45:44,205 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 10:45:44,206 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 10:45:44,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 10:45:44,206 INFO L158 Benchmark]: Toolchain (without parser) took 4435.62ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 112.4MB in the beginning and 138.6MB in the end (delta: -26.2MB). Peak memory consumption was 218.0MB. Max. memory is 16.1GB. [2025-03-17 10:45:44,206 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 10:45:44,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.06ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 92.1MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 10:45:44,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.96ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 10:45:44,207 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 86.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 10:45:44,207 INFO L158 Benchmark]: IcfgBuilder took 779.31ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 68.6MB in the end (delta: 18.0MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2025-03-17 10:45:44,207 INFO L158 Benchmark]: TraceAbstraction took 3144.29ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 68.6MB in the beginning and 151.6MB in the end (delta: -83.0MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. [2025-03-17 10:45:44,207 INFO L158 Benchmark]: Witness Printer took 84.95ms. Allocated memory is still 385.9MB. Free memory was 151.6MB in the beginning and 138.6MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 10:45:44,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.06ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 92.1MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.96ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 86.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 779.31ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 68.6MB in the end (delta: 18.0MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3144.29ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 68.6MB in the beginning and 151.6MB in the end (delta: -83.0MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. * Witness Printer took 84.95ms. Allocated memory is still 385.9MB. Free memory was 151.6MB in the beginning and 138.6MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 729]: Data race detected Data race detected The following path leads to a data race: [L689] 0 int count = 0; VAL [count=0] [L708] 0 int mutexa = 0; VAL [count=0, mutexa={3:0}] [L709] 0 int mutexb = 0; VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L747] 0 pthread_t t; VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L748] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=-1] [L728] CALL 1 __VERIFIER_atomic_acquire(&mutexa) [L692] EXPR 1 \read(*m) [L692] EXPR 1 *m==0 [L692] CALL 1 assume_abort_if_not(*m==0) [L4] COND FALSE 1 !(!cond) [L692] RET 1 assume_abort_if_not(*m==0) [L693] 1 *m = 1 [L728] RET 1 __VERIFIER_atomic_acquire(&mutexa) [L749] COND TRUE 0 1 [L751] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=0] [L739] COND FALSE 2 !(__VERIFIER_nondet_int()) VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L742] CALL 2 my_thread2() [L719] CALL 2 __VERIFIER_atomic_acquire(&mutexb) [L692] EXPR 2 \read(*m) [L692] EXPR 2 *m==0 [L692] CALL 2 assume_abort_if_not(*m==0) [L4] COND FALSE 2 !(!cond) [L692] RET 2 assume_abort_if_not(*m==0) [L693] 2 *m = 1 [L719] RET 2 __VERIFIER_atomic_acquire(&mutexb) [L729] 1 count >= -1 VAL [\old(arg)={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}] [L720] CALL 2 __VERIFIER_atomic_dec() [L706] 2 count-- [L720] RET 2 __VERIFIER_atomic_dec() [L729] 1 count >= -1 VAL [\old(arg)={0:0}, arg={0:0}, count=-1, mutexa={3:0}, mutexb={4:0}] Now there is a data race on ~count~0 between C: count-- [706] and C: count >= -1 [729] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 731]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 751]: 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: 748]: 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, 162 locations, 170 edges, 54 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 3 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 226 locations, 239 edges, 80 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 7 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! [2025-03-17 10:45:44,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)