./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 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/weaver/popl20-two-queue.wvr.c -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 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:56:09,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:56:09,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:56:09,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:56:09,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:56:09,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:56:09,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:56:09,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:56:09,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:56:09,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:56:09,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:56:09,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:56:09,089 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:56:09,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:56:09,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:56:09,091 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:56:09,091 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:56:09,091 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:56:09,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:56:09,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:56:09,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:56:09,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:56:09,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:56:09,091 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:56:09,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:56:09,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:56:09,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:56:09,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:56:09,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:56:09,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:56:09,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:56:09,093 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 -> 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 [2025-03-04 06:56:09,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:56:09,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:56:09,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:56:09,327 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:56:09,327 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:56:09,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2025-03-04 06:56:10,559 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a1f6373c/a4aed4d93e4647f79da05c99b299a45d/FLAG16fa1fd02 [2025-03-04 06:56:10,785 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:56:10,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2025-03-04 06:56:10,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a1f6373c/a4aed4d93e4647f79da05c99b299a45d/FLAG16fa1fd02 [2025-03-04 06:56:11,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a1f6373c/a4aed4d93e4647f79da05c99b299a45d [2025-03-04 06:56:11,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:56:11,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:56:11,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:56:11,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:56:11,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:56:11,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f0e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11, skipping insertion in model container [2025-03-04 06:56:11,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:56:11,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:56:11,295 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:56:11,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:56:11,326 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:56:11,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11 WrapperNode [2025-03-04 06:56:11,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:56:11,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:56:11,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:56:11,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:56:11,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,362 INFO L138 Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 402 [2025-03-04 06:56:11,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:56:11,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:56:11,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:56:11,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:56:11,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,382 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:56:11,387 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:56:11,388 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:56:11,388 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:56:11,388 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (1/1) ... [2025-03-04 06:56:11,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:56:11,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:56:11,416 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) [2025-03-04 06:56:11,418 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 [2025-03-04 06:56:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:56:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-04 06:56:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-04 06:56:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-04 06:56:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-04 06:56:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:56:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 06:56:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:56:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:56:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 06:56:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:56:11,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:56:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 06:56:11,438 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:56:11,510 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:56:11,512 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:56:11,988 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:56:11,988 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:56:12,168 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:56:12,169 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:56:12,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:12 BoogieIcfgContainer [2025-03-04 06:56:12,169 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:56:12,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:56:12,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:56:12,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:56:12,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:56:11" (1/3) ... [2025-03-04 06:56:12,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6398db4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:56:12, skipping insertion in model container [2025-03-04 06:56:12,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:56:11" (2/3) ... [2025-03-04 06:56:12,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6398db4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:56:12, skipping insertion in model container [2025-03-04 06:56:12,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:12" (3/3) ... [2025-03-04 06:56:12,177 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2025-03-04 06:56:12,190 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:56:12,192 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-two-queue.wvr.c that has 3 procedures, 314 locations, 1 initial locations, 4 loop locations, and 65 error locations. [2025-03-04 06:56:12,194 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:56:12,301 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 06:56:12,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 324 transitions, 662 flow [2025-03-04 06:56:12,437 INFO L124 PetriNetUnfolderBase]: 11/322 cut-off events. [2025-03-04 06:56:12,439 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 06:56:12,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 322 events. 11/322 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 530 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2025-03-04 06:56:12,446 INFO L82 GeneralOperation]: Start removeDead. Operand has 320 places, 324 transitions, 662 flow [2025-03-04 06:56:12,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 302 places, 305 transitions, 622 flow [2025-03-04 06:56:12,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:56:12,473 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;@6f5be5fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:56:12,473 INFO L334 AbstractCegarLoop]: Starting to check reachability of 115 error locations. [2025-03-04 06:56:12,480 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:56:12,481 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2025-03-04 06:56:12,481 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:56:12,482 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:12,483 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:12,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:12,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:12,489 INFO L85 PathProgramCache]: Analyzing trace with hash -639219350, now seen corresponding path program 1 times [2025-03-04 06:56:12,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:12,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604068574] [2025-03-04 06:56:12,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:12,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:12,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 06:56:12,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 06:56:12,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:12,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:12,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:12,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:12,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604068574] [2025-03-04 06:56:12,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604068574] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:12,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:12,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:12,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741151173] [2025-03-04 06:56:12,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:12,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:12,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:12,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:12,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:12,694 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 324 [2025-03-04 06:56:12,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 305 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 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) [2025-03-04 06:56:12,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:12,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 324 [2025-03-04 06:56:12,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:12,803 INFO L124 PetriNetUnfolderBase]: 27/412 cut-off events. [2025-03-04 06:56:12,803 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-03-04 06:56:12,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 412 events. 27/412 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1086 event pairs, 15 based on Foata normal form. 21/371 useless extension candidates. Maximal degree in co-relation 235. Up to 52 conditions per place. [2025-03-04 06:56:12,809 INFO L140 encePairwiseOnDemand]: 275/324 looper letters, 13 selfloop transitions, 2 changer transitions 4/258 dead transitions. [2025-03-04 06:56:12,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 258 transitions, 558 flow [2025-03-04 06:56:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 839 transitions. [2025-03-04 06:56:12,828 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8631687242798354 [2025-03-04 06:56:12,829 INFO L175 Difference]: Start difference. First operand has 302 places, 305 transitions, 622 flow. Second operand 3 states and 839 transitions. [2025-03-04 06:56:12,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 258 transitions, 558 flow [2025-03-04 06:56:12,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 258 transitions, 550 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-04 06:56:12,837 INFO L231 Difference]: Finished difference. Result has 259 places, 254 transitions, 516 flow [2025-03-04 06:56:12,839 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=259, PETRI_TRANSITIONS=254} [2025-03-04 06:56:12,842 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -43 predicate places. [2025-03-04 06:56:12,842 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 254 transitions, 516 flow [2025-03-04 06:56:12,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 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) [2025-03-04 06:56:12,843 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:12,843 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] [2025-03-04 06:56:12,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:56:12,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:12,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:12,844 INFO L85 PathProgramCache]: Analyzing trace with hash -834761768, now seen corresponding path program 1 times [2025-03-04 06:56:12,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:12,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071416216] [2025-03-04 06:56:12,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:12,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:12,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-04 06:56:12,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-04 06:56:12,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:12,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:12,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:12,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071416216] [2025-03-04 06:56:12,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071416216] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:12,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:12,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:12,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937827843] [2025-03-04 06:56:12,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:12,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:12,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:12,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:12,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:12,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 324 [2025-03-04 06:56:12,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 254 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2025-03-04 06:56:12,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:12,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 324 [2025-03-04 06:56:12,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:12,985 INFO L124 PetriNetUnfolderBase]: 22/386 cut-off events. [2025-03-04 06:56:12,985 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-04 06:56:12,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 386 events. 22/386 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 891 event pairs, 8 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 399. Up to 38 conditions per place. [2025-03-04 06:56:12,987 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 12 selfloop transitions, 2 changer transitions 0/253 dead transitions. [2025-03-04 06:56:12,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 253 transitions, 542 flow [2025-03-04 06:56:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2025-03-04 06:56:12,989 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8179012345679012 [2025-03-04 06:56:12,989 INFO L175 Difference]: Start difference. First operand has 259 places, 254 transitions, 516 flow. Second operand 3 states and 795 transitions. [2025-03-04 06:56:12,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 253 transitions, 542 flow [2025-03-04 06:56:12,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 253 transitions, 538 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:12,992 INFO L231 Difference]: Finished difference. Result has 254 places, 253 transitions, 514 flow [2025-03-04 06:56:12,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=254, PETRI_TRANSITIONS=253} [2025-03-04 06:56:12,993 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -48 predicate places. [2025-03-04 06:56:12,993 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 253 transitions, 514 flow [2025-03-04 06:56:12,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2025-03-04 06:56:12,994 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:12,994 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:12,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:56:12,994 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:12,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:12,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1514433755, now seen corresponding path program 1 times [2025-03-04 06:56:12,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:12,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458582296] [2025-03-04 06:56:12,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:12,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-04 06:56:13,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 06:56:13,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:13,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:13,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:13,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458582296] [2025-03-04 06:56:13,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458582296] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:13,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:13,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:13,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727020473] [2025-03-04 06:56:13,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:13,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:13,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:13,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:13,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:13,076 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 324 [2025-03-04 06:56:13,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 253 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2025-03-04 06:56:13,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:13,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 324 [2025-03-04 06:56:13,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:13,124 INFO L124 PetriNetUnfolderBase]: 22/385 cut-off events. [2025-03-04 06:56:13,124 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-04 06:56:13,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 385 events. 22/385 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 887 event pairs, 8 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 390. Up to 38 conditions per place. [2025-03-04 06:56:13,126 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 12 selfloop transitions, 2 changer transitions 0/252 dead transitions. [2025-03-04 06:56:13,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 252 transitions, 540 flow [2025-03-04 06:56:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2025-03-04 06:56:13,132 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8179012345679012 [2025-03-04 06:56:13,132 INFO L175 Difference]: Start difference. First operand has 254 places, 253 transitions, 514 flow. Second operand 3 states and 795 transitions. [2025-03-04 06:56:13,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 252 transitions, 540 flow [2025-03-04 06:56:13,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 252 transitions, 536 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:13,137 INFO L231 Difference]: Finished difference. Result has 253 places, 252 transitions, 512 flow [2025-03-04 06:56:13,139 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=253, PETRI_TRANSITIONS=252} [2025-03-04 06:56:13,139 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -49 predicate places. [2025-03-04 06:56:13,139 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 252 transitions, 512 flow [2025-03-04 06:56:13,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2025-03-04 06:56:13,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:13,140 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:13,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:56:13,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:13,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:13,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2026649108, now seen corresponding path program 1 times [2025-03-04 06:56:13,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:13,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749432354] [2025-03-04 06:56:13,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:13,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 06:56:13,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 06:56:13,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:13,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:13,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:13,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749432354] [2025-03-04 06:56:13,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749432354] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:13,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:13,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:13,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22310697] [2025-03-04 06:56:13,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:13,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:13,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:13,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:13,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:13,195 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 324 [2025-03-04 06:56:13,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 252 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2025-03-04 06:56:13,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:13,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 324 [2025-03-04 06:56:13,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:13,240 INFO L124 PetriNetUnfolderBase]: 22/384 cut-off events. [2025-03-04 06:56:13,240 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-04 06:56:13,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 384 events. 22/384 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 883 event pairs, 8 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 381. Up to 38 conditions per place. [2025-03-04 06:56:13,242 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 12 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2025-03-04 06:56:13,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 251 transitions, 538 flow [2025-03-04 06:56:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2025-03-04 06:56:13,244 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8179012345679012 [2025-03-04 06:56:13,244 INFO L175 Difference]: Start difference. First operand has 253 places, 252 transitions, 512 flow. Second operand 3 states and 795 transitions. [2025-03-04 06:56:13,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 251 transitions, 538 flow [2025-03-04 06:56:13,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 251 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:13,247 INFO L231 Difference]: Finished difference. Result has 252 places, 251 transitions, 510 flow [2025-03-04 06:56:13,247 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=252, PETRI_TRANSITIONS=251} [2025-03-04 06:56:13,248 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -50 predicate places. [2025-03-04 06:56:13,248 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 251 transitions, 510 flow [2025-03-04 06:56:13,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2025-03-04 06:56:13,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:13,249 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:13,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:56:13,249 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:13,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:13,249 INFO L85 PathProgramCache]: Analyzing trace with hash -727672877, now seen corresponding path program 1 times [2025-03-04 06:56:13,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:13,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365288542] [2025-03-04 06:56:13,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:13,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 06:56:13,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 06:56:13,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:13,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:13,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:13,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365288542] [2025-03-04 06:56:13,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365288542] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:13,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:13,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:13,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126727786] [2025-03-04 06:56:13,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:13,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:13,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:13,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:13,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:13,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 324 [2025-03-04 06:56:13,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 251 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2025-03-04 06:56:13,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:13,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 324 [2025-03-04 06:56:13,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:13,371 INFO L124 PetriNetUnfolderBase]: 23/408 cut-off events. [2025-03-04 06:56:13,371 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-04 06:56:13,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 408 events. 23/408 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1076 event pairs, 5 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 405. Up to 26 conditions per place. [2025-03-04 06:56:13,375 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 16 selfloop transitions, 2 changer transitions 0/257 dead transitions. [2025-03-04 06:56:13,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 257 transitions, 561 flow [2025-03-04 06:56:13,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 811 transitions. [2025-03-04 06:56:13,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8343621399176955 [2025-03-04 06:56:13,377 INFO L175 Difference]: Start difference. First operand has 252 places, 251 transitions, 510 flow. Second operand 3 states and 811 transitions. [2025-03-04 06:56:13,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 257 transitions, 561 flow [2025-03-04 06:56:13,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 257 transitions, 557 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:13,391 INFO L231 Difference]: Finished difference. Result has 252 places, 251 transitions, 514 flow [2025-03-04 06:56:13,392 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=252, PETRI_TRANSITIONS=251} [2025-03-04 06:56:13,392 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -50 predicate places. [2025-03-04 06:56:13,392 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 251 transitions, 514 flow [2025-03-04 06:56:13,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2025-03-04 06:56:13,394 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:13,395 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:13,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:56:13,397 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:13,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:13,399 INFO L85 PathProgramCache]: Analyzing trace with hash -501786091, now seen corresponding path program 1 times [2025-03-04 06:56:13,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:13,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225056633] [2025-03-04 06:56:13,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 06:56:13,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 06:56:13,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:13,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:13,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:13,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225056633] [2025-03-04 06:56:13,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225056633] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:13,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:13,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:13,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103756405] [2025-03-04 06:56:13,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:13,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:13,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:13,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:13,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:13,469 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 324 [2025-03-04 06:56:13,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 251 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:13,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:13,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 324 [2025-03-04 06:56:13,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:13,531 INFO L124 PetriNetUnfolderBase]: 27/453 cut-off events. [2025-03-04 06:56:13,532 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-04 06:56:13,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 453 events. 27/453 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1210 event pairs, 13 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 266. Up to 51 conditions per place. [2025-03-04 06:56:13,533 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 12 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2025-03-04 06:56:13,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 250 transitions, 540 flow [2025-03-04 06:56:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2025-03-04 06:56:13,535 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8199588477366255 [2025-03-04 06:56:13,535 INFO L175 Difference]: Start difference. First operand has 252 places, 251 transitions, 514 flow. Second operand 3 states and 797 transitions. [2025-03-04 06:56:13,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 250 transitions, 540 flow [2025-03-04 06:56:13,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 250 transitions, 538 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:13,539 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 514 flow [2025-03-04 06:56:13,539 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2025-03-04 06:56:13,540 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -50 predicate places. [2025-03-04 06:56:13,540 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 514 flow [2025-03-04 06:56:13,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:13,541 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:13,541 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:13,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 06:56:13,541 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:13,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:13,542 INFO L85 PathProgramCache]: Analyzing trace with hash 318692590, now seen corresponding path program 1 times [2025-03-04 06:56:13,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:13,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094812343] [2025-03-04 06:56:13,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:13,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-03-04 06:56:13,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-03-04 06:56:13,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:13,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:13,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:13,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094812343] [2025-03-04 06:56:13,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094812343] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:13,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:13,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:13,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915678396] [2025-03-04 06:56:13,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:13,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:13,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:13,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:13,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:13,590 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 324 [2025-03-04 06:56:13,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2025-03-04 06:56:13,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:13,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 324 [2025-03-04 06:56:13,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:13,636 INFO L124 PetriNetUnfolderBase]: 27/452 cut-off events. [2025-03-04 06:56:13,636 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-04 06:56:13,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 452 events. 27/452 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1207 event pairs, 13 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 457. Up to 52 conditions per place. [2025-03-04 06:56:13,638 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 13 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2025-03-04 06:56:13,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 249 transitions, 542 flow [2025-03-04 06:56:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:13,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2025-03-04 06:56:13,640 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8179012345679012 [2025-03-04 06:56:13,640 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 514 flow. Second operand 3 states and 795 transitions. [2025-03-04 06:56:13,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 249 transitions, 542 flow [2025-03-04 06:56:13,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 249 transitions, 538 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:13,643 INFO L231 Difference]: Finished difference. Result has 251 places, 249 transitions, 512 flow [2025-03-04 06:56:13,643 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=251, PETRI_TRANSITIONS=249} [2025-03-04 06:56:13,644 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -51 predicate places. [2025-03-04 06:56:13,644 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 249 transitions, 512 flow [2025-03-04 06:56:13,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2025-03-04 06:56:13,644 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:13,644 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:13,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 06:56:13,644 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:13,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:13,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1894680794, now seen corresponding path program 1 times [2025-03-04 06:56:13,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:13,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082398648] [2025-03-04 06:56:13,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:13,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 06:56:13,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 06:56:13,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:13,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:13,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:13,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:13,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082398648] [2025-03-04 06:56:13,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082398648] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:13,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:13,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:13,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086267426] [2025-03-04 06:56:13,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:13,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:13,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:13,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:13,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:13,683 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 324 [2025-03-04 06:56:13,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 249 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2025-03-04 06:56:13,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:13,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 324 [2025-03-04 06:56:13,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:13,737 INFO L124 PetriNetUnfolderBase]: 31/495 cut-off events. [2025-03-04 06:56:13,738 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-03-04 06:56:13,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 495 events. 31/495 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1568 event pairs, 8 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 505. Up to 34 conditions per place. [2025-03-04 06:56:13,739 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 17 selfloop transitions, 2 changer transitions 0/255 dead transitions. [2025-03-04 06:56:13,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 255 transitions, 568 flow [2025-03-04 06:56:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2025-03-04 06:56:13,741 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2025-03-04 06:56:13,741 INFO L175 Difference]: Start difference. First operand has 251 places, 249 transitions, 512 flow. Second operand 3 states and 810 transitions. [2025-03-04 06:56:13,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 255 transitions, 568 flow [2025-03-04 06:56:13,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 255 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:13,744 INFO L231 Difference]: Finished difference. Result has 251 places, 249 transitions, 516 flow [2025-03-04 06:56:13,744 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=251, PETRI_TRANSITIONS=249} [2025-03-04 06:56:13,745 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -51 predicate places. [2025-03-04 06:56:13,745 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 249 transitions, 516 flow [2025-03-04 06:56:13,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2025-03-04 06:56:13,745 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:13,746 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:13,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 06:56:13,746 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:13,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:13,746 INFO L85 PathProgramCache]: Analyzing trace with hash 788920893, now seen corresponding path program 1 times [2025-03-04 06:56:13,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:13,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621811195] [2025-03-04 06:56:13,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:13,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 06:56:13,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 06:56:13,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:13,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:13,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621811195] [2025-03-04 06:56:13,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621811195] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:13,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:13,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:13,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617327636] [2025-03-04 06:56:13,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:13,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:13,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:13,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:13,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:13,796 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 324 [2025-03-04 06:56:13,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 249 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:13,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:13,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 324 [2025-03-04 06:56:13,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:13,849 INFO L124 PetriNetUnfolderBase]: 31/494 cut-off events. [2025-03-04 06:56:13,849 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-04 06:56:13,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 494 events. 31/494 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1560 event pairs, 18 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 312. Up to 65 conditions per place. [2025-03-04 06:56:13,852 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 13 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2025-03-04 06:56:13,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 248 transitions, 544 flow [2025-03-04 06:56:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2025-03-04 06:56:13,854 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8199588477366255 [2025-03-04 06:56:13,854 INFO L175 Difference]: Start difference. First operand has 251 places, 249 transitions, 516 flow. Second operand 3 states and 797 transitions. [2025-03-04 06:56:13,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 248 transitions, 544 flow [2025-03-04 06:56:13,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 248 transitions, 542 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:13,858 INFO L231 Difference]: Finished difference. Result has 251 places, 248 transitions, 516 flow [2025-03-04 06:56:13,859 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=251, PETRI_TRANSITIONS=248} [2025-03-04 06:56:13,860 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -51 predicate places. [2025-03-04 06:56:13,860 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 248 transitions, 516 flow [2025-03-04 06:56:13,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:13,860 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:13,860 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:13,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 06:56:13,861 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:13,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:13,861 INFO L85 PathProgramCache]: Analyzing trace with hash 682247426, now seen corresponding path program 1 times [2025-03-04 06:56:13,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:13,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178034221] [2025-03-04 06:56:13,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:13,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 06:56:13,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 06:56:13,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:13,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:13,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:13,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178034221] [2025-03-04 06:56:13,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178034221] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:13,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:13,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:13,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614394201] [2025-03-04 06:56:13,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:13,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:13,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:13,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:13,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:13,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 324 [2025-03-04 06:56:13,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 248 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2025-03-04 06:56:13,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:13,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 324 [2025-03-04 06:56:13,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:13,968 INFO L124 PetriNetUnfolderBase]: 31/493 cut-off events. [2025-03-04 06:56:13,968 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-04 06:56:13,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 493 events. 31/493 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1560 event pairs, 18 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 508. Up to 63 conditions per place. [2025-03-04 06:56:13,970 INFO L140 encePairwiseOnDemand]: 322/324 looper letters, 12 selfloop transitions, 1 changer transitions 0/247 dead transitions. [2025-03-04 06:56:13,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 247 transitions, 540 flow [2025-03-04 06:56:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 804 transitions. [2025-03-04 06:56:13,972 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8271604938271605 [2025-03-04 06:56:13,972 INFO L175 Difference]: Start difference. First operand has 251 places, 248 transitions, 516 flow. Second operand 3 states and 804 transitions. [2025-03-04 06:56:13,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 247 transitions, 540 flow [2025-03-04 06:56:13,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 247 transitions, 536 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:13,975 INFO L231 Difference]: Finished difference. Result has 250 places, 247 transitions, 512 flow [2025-03-04 06:56:13,976 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=250, PETRI_TRANSITIONS=247} [2025-03-04 06:56:13,976 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -52 predicate places. [2025-03-04 06:56:13,976 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 247 transitions, 512 flow [2025-03-04 06:56:13,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2025-03-04 06:56:13,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:13,977 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:13,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 06:56:13,977 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:13,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:13,978 INFO L85 PathProgramCache]: Analyzing trace with hash -455189787, now seen corresponding path program 1 times [2025-03-04 06:56:13,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:13,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939492682] [2025-03-04 06:56:13,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:13,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:13,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-04 06:56:14,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-04 06:56:14,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:14,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:14,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:14,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939492682] [2025-03-04 06:56:14,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939492682] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:14,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:14,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:56:14,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236361042] [2025-03-04 06:56:14,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:14,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:56:14,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:14,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:56:14,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:56:14,564 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 324 [2025-03-04 06:56:14,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 247 transitions, 512 flow. Second operand has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 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) [2025-03-04 06:56:14,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:14,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 324 [2025-03-04 06:56:14,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:14,658 INFO L124 PetriNetUnfolderBase]: 31/491 cut-off events. [2025-03-04 06:56:14,659 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-04 06:56:14,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 491 events. 31/491 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1553 event pairs, 18 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 529. Up to 78 conditions per place. [2025-03-04 06:56:14,660 INFO L140 encePairwiseOnDemand]: 312/324 looper letters, 26 selfloop transitions, 10 changer transitions 0/245 dead transitions. [2025-03-04 06:56:14,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 245 transitions, 580 flow [2025-03-04 06:56:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:56:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:56:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1476 transitions. [2025-03-04 06:56:14,665 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7592592592592593 [2025-03-04 06:56:14,665 INFO L175 Difference]: Start difference. First operand has 250 places, 247 transitions, 512 flow. Second operand 6 states and 1476 transitions. [2025-03-04 06:56:14,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 245 transitions, 580 flow [2025-03-04 06:56:14,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 245 transitions, 579 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:14,667 INFO L231 Difference]: Finished difference. Result has 252 places, 245 transitions, 527 flow [2025-03-04 06:56:14,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=527, PETRI_PLACES=252, PETRI_TRANSITIONS=245} [2025-03-04 06:56:14,668 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -50 predicate places. [2025-03-04 06:56:14,668 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 245 transitions, 527 flow [2025-03-04 06:56:14,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 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) [2025-03-04 06:56:14,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:14,669 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:14,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 06:56:14,669 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:14,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:14,670 INFO L85 PathProgramCache]: Analyzing trace with hash 698761983, now seen corresponding path program 1 times [2025-03-04 06:56:14,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:14,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039046729] [2025-03-04 06:56:14,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:14,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-04 06:56:14,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-04 06:56:14,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:14,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:14,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:14,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039046729] [2025-03-04 06:56:14,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039046729] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:14,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:14,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:14,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622897306] [2025-03-04 06:56:14,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:14,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:14,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:14,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:14,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:14,708 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 324 [2025-03-04 06:56:14,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 245 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:14,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:14,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 324 [2025-03-04 06:56:14,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:14,760 INFO L124 PetriNetUnfolderBase]: 31/490 cut-off events. [2025-03-04 06:56:14,760 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-04 06:56:14,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 490 events. 31/490 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1546 event pairs, 18 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 566. Up to 65 conditions per place. [2025-03-04 06:56:14,762 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 13 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2025-03-04 06:56:14,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 244 transitions, 555 flow [2025-03-04 06:56:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2025-03-04 06:56:14,764 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8199588477366255 [2025-03-04 06:56:14,764 INFO L175 Difference]: Start difference. First operand has 252 places, 245 transitions, 527 flow. Second operand 3 states and 797 transitions. [2025-03-04 06:56:14,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 244 transitions, 555 flow [2025-03-04 06:56:14,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 244 transitions, 535 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:56:14,767 INFO L231 Difference]: Finished difference. Result has 248 places, 244 transitions, 509 flow [2025-03-04 06:56:14,767 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=505, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=509, PETRI_PLACES=248, PETRI_TRANSITIONS=244} [2025-03-04 06:56:14,768 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -54 predicate places. [2025-03-04 06:56:14,768 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 244 transitions, 509 flow [2025-03-04 06:56:14,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:14,768 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:14,768 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:14,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 06:56:14,769 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:14,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:14,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1734336277, now seen corresponding path program 1 times [2025-03-04 06:56:14,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:14,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109448859] [2025-03-04 06:56:14,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:14,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:14,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-04 06:56:14,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-04 06:56:14,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:14,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:14,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:14,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109448859] [2025-03-04 06:56:14,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109448859] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:14,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:14,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:14,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118844418] [2025-03-04 06:56:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:14,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:14,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:14,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:14,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:14,802 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 324 [2025-03-04 06:56:14,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 244 transitions, 509 flow. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2025-03-04 06:56:14,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:14,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 324 [2025-03-04 06:56:14,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:14,856 INFO L124 PetriNetUnfolderBase]: 31/489 cut-off events. [2025-03-04 06:56:14,856 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-04 06:56:14,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 489 events. 31/489 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1554 event pairs, 18 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 505. Up to 63 conditions per place. [2025-03-04 06:56:14,858 INFO L140 encePairwiseOnDemand]: 322/324 looper letters, 12 selfloop transitions, 1 changer transitions 0/243 dead transitions. [2025-03-04 06:56:14,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 243 transitions, 533 flow [2025-03-04 06:56:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 804 transitions. [2025-03-04 06:56:14,860 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8271604938271605 [2025-03-04 06:56:14,860 INFO L175 Difference]: Start difference. First operand has 248 places, 244 transitions, 509 flow. Second operand 3 states and 804 transitions. [2025-03-04 06:56:14,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 243 transitions, 533 flow [2025-03-04 06:56:14,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 243 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:14,863 INFO L231 Difference]: Finished difference. Result has 247 places, 243 transitions, 505 flow [2025-03-04 06:56:14,863 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=505, PETRI_PLACES=247, PETRI_TRANSITIONS=243} [2025-03-04 06:56:14,864 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -55 predicate places. [2025-03-04 06:56:14,864 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 243 transitions, 505 flow [2025-03-04 06:56:14,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2025-03-04 06:56:14,865 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:14,865 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:14,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 06:56:14,865 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:14,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:14,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1820210258, now seen corresponding path program 1 times [2025-03-04 06:56:14,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:14,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616732681] [2025-03-04 06:56:14,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:14,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-04 06:56:14,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-04 06:56:14,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:14,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:14,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:14,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616732681] [2025-03-04 06:56:14,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616732681] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:14,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:14,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:14,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642620842] [2025-03-04 06:56:14,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:14,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:14,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:14,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:14,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:14,918 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 324 [2025-03-04 06:56:14,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 243 transitions, 505 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:14,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:14,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 324 [2025-03-04 06:56:14,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:14,986 INFO L124 PetriNetUnfolderBase]: 31/488 cut-off events. [2025-03-04 06:56:14,986 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-04 06:56:14,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 488 events. 31/488 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1551 event pairs, 18 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 505. Up to 65 conditions per place. [2025-03-04 06:56:14,988 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 13 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2025-03-04 06:56:14,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 242 transitions, 533 flow [2025-03-04 06:56:14,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2025-03-04 06:56:14,990 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8199588477366255 [2025-03-04 06:56:14,990 INFO L175 Difference]: Start difference. First operand has 247 places, 243 transitions, 505 flow. Second operand 3 states and 797 transitions. [2025-03-04 06:56:14,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 242 transitions, 533 flow [2025-03-04 06:56:14,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 242 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:56:14,992 INFO L231 Difference]: Finished difference. Result has 247 places, 242 transitions, 506 flow [2025-03-04 06:56:14,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=247, PETRI_TRANSITIONS=242} [2025-03-04 06:56:14,994 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -55 predicate places. [2025-03-04 06:56:14,994 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 242 transitions, 506 flow [2025-03-04 06:56:14,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:14,994 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:14,995 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:14,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 06:56:14,995 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:14,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:14,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1835238364, now seen corresponding path program 1 times [2025-03-04 06:56:14,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:14,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60840947] [2025-03-04 06:56:14,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:15,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-04 06:56:15,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-04 06:56:15,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:15,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:15,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:15,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60840947] [2025-03-04 06:56:15,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60840947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:15,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:15,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:15,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216888997] [2025-03-04 06:56:15,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:15,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:15,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:15,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:15,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:15,058 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 324 [2025-03-04 06:56:15,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 242 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 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) [2025-03-04 06:56:15,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:15,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 324 [2025-03-04 06:56:15,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:15,116 INFO L124 PetriNetUnfolderBase]: 66/502 cut-off events. [2025-03-04 06:56:15,116 INFO L125 PetriNetUnfolderBase]: For 32/40 co-relation queries the response was YES. [2025-03-04 06:56:15,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 502 events. 66/502 cut-off events. For 32/40 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1692 event pairs, 8 based on Foata normal form. 2/451 useless extension candidates. Maximal degree in co-relation 616. Up to 108 conditions per place. [2025-03-04 06:56:15,118 INFO L140 encePairwiseOnDemand]: 317/324 looper letters, 16 selfloop transitions, 5 changer transitions 0/243 dead transitions. [2025-03-04 06:56:15,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 243 transitions, 555 flow [2025-03-04 06:56:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2025-03-04 06:56:15,119 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8179012345679012 [2025-03-04 06:56:15,119 INFO L175 Difference]: Start difference. First operand has 247 places, 242 transitions, 506 flow. Second operand 3 states and 795 transitions. [2025-03-04 06:56:15,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 243 transitions, 555 flow [2025-03-04 06:56:15,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 243 transitions, 551 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:15,122 INFO L231 Difference]: Finished difference. Result has 244 places, 239 transitions, 506 flow [2025-03-04 06:56:15,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=244, PETRI_TRANSITIONS=239} [2025-03-04 06:56:15,123 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -58 predicate places. [2025-03-04 06:56:15,123 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 239 transitions, 506 flow [2025-03-04 06:56:15,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 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) [2025-03-04 06:56:15,124 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:15,124 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:15,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 06:56:15,124 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:15,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:15,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1567455426, now seen corresponding path program 1 times [2025-03-04 06:56:15,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:15,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586564229] [2025-03-04 06:56:15,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:15,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:15,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-04 06:56:15,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-04 06:56:15,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:15,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:15,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:15,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586564229] [2025-03-04 06:56:15,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586564229] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:15,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:15,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:15,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868864367] [2025-03-04 06:56:15,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:15,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:15,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:15,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:15,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:15,170 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 324 [2025-03-04 06:56:15,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 239 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:15,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:15,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 324 [2025-03-04 06:56:15,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:15,233 INFO L124 PetriNetUnfolderBase]: 91/667 cut-off events. [2025-03-04 06:56:15,233 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2025-03-04 06:56:15,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 667 events. 91/667 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2756 event pairs, 56 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 848. Up to 179 conditions per place. [2025-03-04 06:56:15,236 INFO L140 encePairwiseOnDemand]: 320/324 looper letters, 16 selfloop transitions, 2 changer transitions 0/240 dead transitions. [2025-03-04 06:56:15,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 240 transitions, 545 flow [2025-03-04 06:56:15,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:15,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions. [2025-03-04 06:56:15,238 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8240740740740741 [2025-03-04 06:56:15,238 INFO L175 Difference]: Start difference. First operand has 244 places, 239 transitions, 506 flow. Second operand 3 states and 801 transitions. [2025-03-04 06:56:15,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 240 transitions, 545 flow [2025-03-04 06:56:15,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 240 transitions, 535 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:15,241 INFO L231 Difference]: Finished difference. Result has 243 places, 239 transitions, 506 flow [2025-03-04 06:56:15,241 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=243, PETRI_TRANSITIONS=239} [2025-03-04 06:56:15,241 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -59 predicate places. [2025-03-04 06:56:15,242 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 239 transitions, 506 flow [2025-03-04 06:56:15,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2025-03-04 06:56:15,242 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:15,242 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:15,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-04 06:56:15,242 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:15,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash 103593276, now seen corresponding path program 1 times [2025-03-04 06:56:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:15,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905369191] [2025-03-04 06:56:15,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:15,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:15,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-04 06:56:15,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-04 06:56:15,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:15,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:15,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:15,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905369191] [2025-03-04 06:56:15,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905369191] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:15,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:15,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:15,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757212789] [2025-03-04 06:56:15,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:15,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:15,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:15,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:15,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:15,299 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 324 [2025-03-04 06:56:15,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 239 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2025-03-04 06:56:15,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:15,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 324 [2025-03-04 06:56:15,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:15,360 INFO L124 PetriNetUnfolderBase]: 81/569 cut-off events. [2025-03-04 06:56:15,361 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2025-03-04 06:56:15,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 569 events. 81/569 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2100 event pairs, 16 based on Foata normal form. 4/528 useless extension candidates. Maximal degree in co-relation 726. Up to 113 conditions per place. [2025-03-04 06:56:15,363 INFO L140 encePairwiseOnDemand]: 317/324 looper letters, 13 selfloop transitions, 5 changer transitions 4/240 dead transitions. [2025-03-04 06:56:15,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 240 transitions, 553 flow [2025-03-04 06:56:15,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 794 transitions. [2025-03-04 06:56:15,365 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8168724279835391 [2025-03-04 06:56:15,365 INFO L175 Difference]: Start difference. First operand has 243 places, 239 transitions, 506 flow. Second operand 3 states and 794 transitions. [2025-03-04 06:56:15,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 240 transitions, 553 flow [2025-03-04 06:56:15,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 240 transitions, 553 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:56:15,367 INFO L231 Difference]: Finished difference. Result has 242 places, 232 transitions, 501 flow [2025-03-04 06:56:15,368 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=501, PETRI_PLACES=242, PETRI_TRANSITIONS=232} [2025-03-04 06:56:15,368 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -60 predicate places. [2025-03-04 06:56:15,368 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 232 transitions, 501 flow [2025-03-04 06:56:15,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2025-03-04 06:56:15,368 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:15,369 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:15,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-04 06:56:15,369 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:15,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:15,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1070841966, now seen corresponding path program 1 times [2025-03-04 06:56:15,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:15,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067055145] [2025-03-04 06:56:15,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:15,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:15,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-04 06:56:15,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-04 06:56:15,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:15,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:15,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:15,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067055145] [2025-03-04 06:56:15,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067055145] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:15,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:15,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:15,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368791796] [2025-03-04 06:56:15,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:15,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:15,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:15,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:15,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:15,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 324 [2025-03-04 06:56:15,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 232 transitions, 501 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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) [2025-03-04 06:56:15,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:15,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 324 [2025-03-04 06:56:15,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:15,500 INFO L124 PetriNetUnfolderBase]: 74/624 cut-off events. [2025-03-04 06:56:15,500 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2025-03-04 06:56:15,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 624 events. 74/624 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2456 event pairs, 41 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 835. Up to 116 conditions per place. [2025-03-04 06:56:15,502 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 17 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2025-03-04 06:56:15,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 235 transitions, 554 flow [2025-03-04 06:56:15,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2025-03-04 06:56:15,504 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8199588477366255 [2025-03-04 06:56:15,504 INFO L175 Difference]: Start difference. First operand has 242 places, 232 transitions, 501 flow. Second operand 3 states and 797 transitions. [2025-03-04 06:56:15,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 235 transitions, 554 flow [2025-03-04 06:56:15,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 235 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:15,508 INFO L231 Difference]: Finished difference. Result has 237 places, 231 transitions, 493 flow [2025-03-04 06:56:15,509 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=237, PETRI_TRANSITIONS=231} [2025-03-04 06:56:15,509 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -65 predicate places. [2025-03-04 06:56:15,509 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 231 transitions, 493 flow [2025-03-04 06:56:15,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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) [2025-03-04 06:56:15,510 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:56:15,510 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:15,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 06:56:15,510 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err20ASSERT_VIOLATIONDATA_RACE (and 111 more)] === [2025-03-04 06:56:15,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:56:15,511 INFO L85 PathProgramCache]: Analyzing trace with hash -566072434, now seen corresponding path program 1 times [2025-03-04 06:56:15,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:56:15,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953049558] [2025-03-04 06:56:15,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:56:15,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:56:15,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-04 06:56:15,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-04 06:56:15,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:56:15,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:56:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:56:15,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:56:15,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953049558] [2025-03-04 06:56:15,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953049558] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:56:15,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:56:15,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:56:15,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137742215] [2025-03-04 06:56:15,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:56:15,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:56:15,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:56:15,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:56:15,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:56:15,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 324 [2025-03-04 06:56:15,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 231 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 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) [2025-03-04 06:56:15,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:56:15,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 324 [2025-03-04 06:56:15,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:56:15,661 INFO L124 PetriNetUnfolderBase]: 81/538 cut-off events. [2025-03-04 06:56:15,661 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2025-03-04 06:56:15,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 538 events. 81/538 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1958 event pairs, 48 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 692. Up to 129 conditions per place. [2025-03-04 06:56:15,662 INFO L140 encePairwiseOnDemand]: 321/324 looper letters, 0 selfloop transitions, 0 changer transitions 234/234 dead transitions. [2025-03-04 06:56:15,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 234 transitions, 542 flow [2025-03-04 06:56:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:56:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:56:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2025-03-04 06:56:15,665 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8199588477366255 [2025-03-04 06:56:15,665 INFO L175 Difference]: Start difference. First operand has 237 places, 231 transitions, 493 flow. Second operand 3 states and 797 transitions. [2025-03-04 06:56:15,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 234 transitions, 542 flow [2025-03-04 06:56:15,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 234 transitions, 538 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:56:15,667 INFO L231 Difference]: Finished difference. Result has 236 places, 0 transitions, 0 flow [2025-03-04 06:56:15,667 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=236, PETRI_TRANSITIONS=0} [2025-03-04 06:56:15,668 INFO L279 CegarLoopForPetriNet]: 302 programPoint places, -66 predicate places. [2025-03-04 06:56:15,668 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 0 transitions, 0 flow [2025-03-04 06:56:15,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 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) [2025-03-04 06:56:15,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (114 of 115 remaining) [2025-03-04 06:56:15,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (113 of 115 remaining) [2025-03-04 06:56:15,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (112 of 115 remaining) [2025-03-04 06:56:15,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (111 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (110 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (109 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (108 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (107 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (106 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (105 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (104 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (103 of 115 remaining) [2025-03-04 06:56:15,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (102 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (101 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (100 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (99 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (98 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (97 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (96 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (95 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (94 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (93 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (92 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (90 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (89 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (88 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (87 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (86 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (85 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (84 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (83 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (82 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (80 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (79 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (78 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (77 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (76 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (75 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (74 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (73 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (72 of 115 remaining) [2025-03-04 06:56:15,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (71 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (68 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (67 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (66 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (65 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (64 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (60 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (59 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (58 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (57 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (56 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (55 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 115 remaining) [2025-03-04 06:56:15,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 115 remaining) [2025-03-04 06:56:15,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (52 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (47 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (46 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (45 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (44 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (43 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (42 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (41 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (40 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (39 of 115 remaining) [2025-03-04 06:56:15,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (38 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (37 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (35 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (34 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (31 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (29 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (24 of 115 remaining) [2025-03-04 06:56:15,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (23 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (22 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (21 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (20 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (18 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (17 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (15 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 115 remaining) [2025-03-04 06:56:15,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 115 remaining) [2025-03-04 06:56:15,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 06:56:15,679 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:56:15,684 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:56:15,684 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:56:15,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:56:15 BasicIcfg [2025-03-04 06:56:15,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:56:15,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:56:15,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:56:15,692 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:56:15,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:56:12" (3/4) ... [2025-03-04 06:56:15,695 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:56:15,697 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-04 06:56:15,697 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-04 06:56:15,701 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-04 06:56:15,701 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 06:56:15,702 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:56:15,702 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:56:15,774 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:56:15,774 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:56:15,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:56:15,775 INFO L158 Benchmark]: Toolchain (without parser) took 4636.75ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 154.8MB in the beginning and 214.4MB in the end (delta: -59.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2025-03-04 06:56:15,775 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:56:15,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.61ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 141.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:56:15,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.49ms. Allocated memory is still 201.3MB. Free memory was 141.6MB in the beginning and 138.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:56:15,777 INFO L158 Benchmark]: Boogie Preprocessor took 23.86ms. Allocated memory is still 201.3MB. Free memory was 138.9MB in the beginning and 136.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:56:15,777 INFO L158 Benchmark]: IcfgBuilder took 781.79ms. Allocated memory is still 201.3MB. Free memory was 136.7MB in the beginning and 52.9MB in the end (delta: 83.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2025-03-04 06:56:15,778 INFO L158 Benchmark]: TraceAbstraction took 3520.47ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 52.2MB in the beginning and 220.1MB in the end (delta: -167.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2025-03-04 06:56:15,778 INFO L158 Benchmark]: Witness Printer took 82.44ms. Allocated memory is still 293.6MB. Free memory was 220.1MB in the beginning and 214.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:56:15,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.61ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 141.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.49ms. Allocated memory is still 201.3MB. Free memory was 141.6MB in the beginning and 138.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.86ms. Allocated memory is still 201.3MB. Free memory was 138.9MB in the beginning and 136.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 781.79ms. Allocated memory is still 201.3MB. Free memory was 136.7MB in the beginning and 52.9MB in the end (delta: 83.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3520.47ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 52.2MB in the beginning and 220.1MB in the end (delta: -167.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 82.44ms. Allocated memory is still 293.6MB. Free memory was 220.1MB in the beginning and 214.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 404 locations, 115 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 347 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 622 IncrementalHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 69 mSDtfsCounter, 622 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=622occurred in iteration=0, InterpolantAutomatonStates: 60, 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1811 NumberOfCodeBlocks, 1811 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1792 ConstructedInterpolants, 0 QuantifiedInterpolants, 1943 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 65 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:56:15,795 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 Result: TRUE