./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 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/chl-poker-hand-trans.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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:23:25,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:23:25,446 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:23:25,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:23:25,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:23:25,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:23:25,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:23:25,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:23:25,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:23:25,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:23:25,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:23:25,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:23:25,468 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:23:25,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:23:25,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:23:25,468 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:23:25,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:23:25,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:23:25,469 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:23:25,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:23:25,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:23:25,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:23:25,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:23:25,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:23:25,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:23:25,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:23:25,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:23:25,470 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 -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 [2025-03-13 22:23:25,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:23:25,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:23:25,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:23:25,702 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:23:25,703 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:23:25,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2025-03-13 22:23:26,850 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b972683bc/414b45c5e0b84f3dab2e645d550e6fe8/FLAG9d4c8a7e3 [2025-03-13 22:23:27,108 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:23:27,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2025-03-13 22:23:27,122 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b972683bc/414b45c5e0b84f3dab2e645d550e6fe8/FLAG9d4c8a7e3 [2025-03-13 22:23:27,139 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b972683bc/414b45c5e0b84f3dab2e645d550e6fe8 [2025-03-13 22:23:27,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:23:27,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:23:27,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:23:27,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:23:27,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:23:27,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d731ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27, skipping insertion in model container [2025-03-13 22:23:27,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:23:27,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:23:27,494 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:23:27,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:23:27,615 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:23:27,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27 WrapperNode [2025-03-13 22:23:27,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:23:27,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:23:27,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:23:27,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:23:27,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,800 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 4963 [2025-03-13 22:23:27,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:23:27,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:23:27,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:23:27,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:23:27,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,982 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:27,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:28,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:28,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:28,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:23:28,051 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:23:28,051 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:23:28,051 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:23:28,052 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (1/1) ... [2025-03-13 22:23:28,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:23:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:23:28,080 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) [2025-03-13 22:23:28,085 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 [2025-03-13 22:23:28,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:23:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:23:28,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:23:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:23:28,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:23:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-13 22:23:28,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-13 22:23:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:23:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:23:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-13 22:23:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-13 22:23:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-13 22:23:28,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:23:28,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:23:28,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-13 22:23:28,105 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:23:28,309 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:23:28,311 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:23:32,042 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:23:32,043 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:23:32,043 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:23:43,063 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:23:43,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:43 BoogieIcfgContainer [2025-03-13 22:23:43,064 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:23:43,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:23:43,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:23:43,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:23:43,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:23:27" (1/3) ... [2025-03-13 22:23:43,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e59855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:23:43, skipping insertion in model container [2025-03-13 22:23:43,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:23:27" (2/3) ... [2025-03-13 22:23:43,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e59855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:23:43, skipping insertion in model container [2025-03-13 22:23:43,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:23:43" (3/3) ... [2025-03-13 22:23:43,073 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2025-03-13 22:23:43,084 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:23:43,087 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-trans.wvr.c that has 4 procedures, 1703 locations, 1 initial locations, 18 loop locations, and 753 error locations. [2025-03-13 22:23:43,087 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:23:45,020 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-13 22:23:45,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1712 places, 1771 transitions, 3563 flow [2025-03-13 22:23:45,711 INFO L124 PetriNetUnfolderBase]: 69/1768 cut-off events. [2025-03-13 22:23:45,712 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 22:23:45,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1781 conditions, 1768 events. 69/1768 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8210 event pairs, 0 based on Foata normal form. 0/946 useless extension candidates. Maximal degree in co-relation 1430. Up to 7 conditions per place. [2025-03-13 22:23:45,757 INFO L82 GeneralOperation]: Start removeDead. Operand has 1712 places, 1771 transitions, 3563 flow [2025-03-13 22:23:45,813 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1690 places, 1747 transitions, 3512 flow [2025-03-13 22:23:45,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:23:45,833 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;@63c41c61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:23:45,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1467 error locations. [2025-03-13 22:23:45,846 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:23:45,847 INFO L124 PetriNetUnfolderBase]: 2/81 cut-off events. [2025-03-13 22:23:45,847 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:23:45,848 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:23:45,848 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] [2025-03-13 22:23:45,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-13 22:23:45,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:23:45,853 INFO L85 PathProgramCache]: Analyzing trace with hash -83052905, now seen corresponding path program 1 times [2025-03-13 22:23:45,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:23:45,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467765846] [2025-03-13 22:23:45,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:23:45,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:23:45,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-13 22:23:46,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-13 22:23:46,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:23:46,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:23:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:23:46,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:23:46,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467765846] [2025-03-13 22:23:46,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467765846] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:23:46,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:23:46,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:23:46,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745236198] [2025-03-13 22:23:46,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:23:46,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:23:46,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:23:46,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:23:46,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:23:47,386 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 821 out of 1771 [2025-03-13 22:23:47,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1690 places, 1747 transitions, 3512 flow. Second operand has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 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) [2025-03-13 22:23:47,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:23:47,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 821 of 1771 [2025-03-13 22:23:47,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:23:58,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-13 22:24:10,443 INFO L124 PetriNetUnfolderBase]: 676/2576 cut-off events. [2025-03-13 22:24:10,443 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2025-03-13 22:24:10,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3568 conditions, 2576 events. 676/2576 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12178 event pairs, 135 based on Foata normal form. 156/2336 useless extension candidates. Maximal degree in co-relation 2346. Up to 865 conditions per place. [2025-03-13 22:24:10,467 INFO L140 encePairwiseOnDemand]: 958/1771 looper letters, 135 selfloop transitions, 60 changer transitions 24/994 dead transitions. [2025-03-13 22:24:10,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 972 places, 994 transitions, 2396 flow [2025-03-13 22:24:10,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:24:10,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:24:10,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5874 transitions. [2025-03-13 22:24:10,501 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5527950310559007 [2025-03-13 22:24:10,502 INFO L175 Difference]: Start difference. First operand has 1690 places, 1747 transitions, 3512 flow. Second operand 6 states and 5874 transitions. [2025-03-13 22:24:10,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 972 places, 994 transitions, 2396 flow [2025-03-13 22:24:10,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 966 places, 994 transitions, 2384 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-13 22:24:10,533 INFO L231 Difference]: Finished difference. Result has 966 places, 970 transitions, 2066 flow [2025-03-13 22:24:10,537 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=1994, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=934, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2066, PETRI_PLACES=966, PETRI_TRANSITIONS=970} [2025-03-13 22:24:10,540 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -724 predicate places. [2025-03-13 22:24:10,541 INFO L471 AbstractCegarLoop]: Abstraction has has 966 places, 970 transitions, 2066 flow [2025-03-13 22:24:10,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 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) [2025-03-13 22:24:10,543 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:10,543 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] [2025-03-13 22:24:10,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:24:10,544 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-13 22:24:10,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:10,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1844205728, now seen corresponding path program 1 times [2025-03-13 22:24:10,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:10,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494312046] [2025-03-13 22:24:10,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:10,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:10,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-13 22:24:10,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-13 22:24:10,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:10,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:10,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:10,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494312046] [2025-03-13 22:24:10,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494312046] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:10,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:10,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:10,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325599478] [2025-03-13 22:24:10,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:10,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:10,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:10,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:10,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:10,697 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1771 [2025-03-13 22:24:10,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 970 transitions, 2066 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:10,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:10,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1771 [2025-03-13 22:24:10,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:21,224 INFO L124 PetriNetUnfolderBase]: 676/2551 cut-off events. [2025-03-13 22:24:21,225 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-13 22:24:21,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3408 conditions, 2551 events. 676/2551 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12167 event pairs, 135 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 3225. Up to 772 conditions per place. [2025-03-13 22:24:21,245 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 42 selfloop transitions, 2 changer transitions 0/969 dead transitions. [2025-03-13 22:24:21,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 969 transitions, 2152 flow [2025-03-13 22:24:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2991 transitions. [2025-03-13 22:24:21,252 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5629587803500847 [2025-03-13 22:24:21,252 INFO L175 Difference]: Start difference. First operand has 966 places, 970 transitions, 2066 flow. Second operand 3 states and 2991 transitions. [2025-03-13 22:24:21,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 969 transitions, 2152 flow [2025-03-13 22:24:21,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 969 transitions, 2032 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:24:21,268 INFO L231 Difference]: Finished difference. Result has 938 places, 969 transitions, 1948 flow [2025-03-13 22:24:21,270 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=967, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1948, PETRI_PLACES=938, PETRI_TRANSITIONS=969} [2025-03-13 22:24:21,271 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -752 predicate places. [2025-03-13 22:24:21,271 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 969 transitions, 1948 flow [2025-03-13 22:24:21,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:21,273 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:21,273 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] [2025-03-13 22:24:21,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:24:21,274 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-13 22:24:21,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:21,275 INFO L85 PathProgramCache]: Analyzing trace with hash 91077916, now seen corresponding path program 1 times [2025-03-13 22:24:21,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:21,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437101936] [2025-03-13 22:24:21,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:21,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:21,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-13 22:24:21,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-13 22:24:21,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:21,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:21,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:21,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437101936] [2025-03-13 22:24:21,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437101936] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:21,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:21,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:21,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200643914] [2025-03-13 22:24:21,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:21,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:21,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:21,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:21,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:21,417 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1771 [2025-03-13 22:24:21,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 969 transitions, 1948 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:21,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:21,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1771 [2025-03-13 22:24:21,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:27,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-13 22:24:30,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-13 22:24:34,290 INFO L124 PetriNetUnfolderBase]: 676/2550 cut-off events. [2025-03-13 22:24:34,290 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-13 22:24:34,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3349 conditions, 2550 events. 676/2550 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12141 event pairs, 135 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 3258. Up to 772 conditions per place. [2025-03-13 22:24:34,309 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 42 selfloop transitions, 2 changer transitions 0/968 dead transitions. [2025-03-13 22:24:34,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 968 transitions, 2034 flow [2025-03-13 22:24:34,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2991 transitions. [2025-03-13 22:24:34,315 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5629587803500847 [2025-03-13 22:24:34,315 INFO L175 Difference]: Start difference. First operand has 938 places, 969 transitions, 1948 flow. Second operand 3 states and 2991 transitions. [2025-03-13 22:24:34,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 968 transitions, 2034 flow [2025-03-13 22:24:34,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 968 transitions, 2030 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:34,333 INFO L231 Difference]: Finished difference. Result has 937 places, 968 transitions, 1946 flow [2025-03-13 22:24:34,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=1942, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1946, PETRI_PLACES=937, PETRI_TRANSITIONS=968} [2025-03-13 22:24:34,335 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -753 predicate places. [2025-03-13 22:24:34,335 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 968 transitions, 1946 flow [2025-03-13 22:24:34,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:34,338 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:34,338 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] [2025-03-13 22:24:34,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:24:34,338 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-13 22:24:34,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:34,340 INFO L85 PathProgramCache]: Analyzing trace with hash 824530072, now seen corresponding path program 1 times [2025-03-13 22:24:34,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:34,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606863028] [2025-03-13 22:24:34,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:34,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:34,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-13 22:24:34,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-13 22:24:34,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:34,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:34,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:34,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606863028] [2025-03-13 22:24:34,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606863028] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:34,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:34,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:34,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934053205] [2025-03-13 22:24:34,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:34,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:34,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:34,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:34,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:34,472 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1771 [2025-03-13 22:24:34,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 968 transitions, 1946 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:34,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:34,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1771 [2025-03-13 22:24:34,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:45,322 INFO L124 PetriNetUnfolderBase]: 676/2549 cut-off events. [2025-03-13 22:24:45,322 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-13 22:24:45,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3348 conditions, 2549 events. 676/2549 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12150 event pairs, 135 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 3210. Up to 772 conditions per place. [2025-03-13 22:24:45,335 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 42 selfloop transitions, 2 changer transitions 0/967 dead transitions. [2025-03-13 22:24:45,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 967 transitions, 2032 flow [2025-03-13 22:24:45,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2991 transitions. [2025-03-13 22:24:45,339 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5629587803500847 [2025-03-13 22:24:45,339 INFO L175 Difference]: Start difference. First operand has 937 places, 968 transitions, 1946 flow. Second operand 3 states and 2991 transitions. [2025-03-13 22:24:45,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 967 transitions, 2032 flow [2025-03-13 22:24:45,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 967 transitions, 2028 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:45,349 INFO L231 Difference]: Finished difference. Result has 936 places, 967 transitions, 1944 flow [2025-03-13 22:24:45,350 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=1940, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=967, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=965, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1944, PETRI_PLACES=936, PETRI_TRANSITIONS=967} [2025-03-13 22:24:45,351 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -754 predicate places. [2025-03-13 22:24:45,351 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 967 transitions, 1944 flow [2025-03-13 22:24:45,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:45,352 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:45,352 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] [2025-03-13 22:24:45,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:24:45,353 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-13 22:24:45,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:45,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1455081513, now seen corresponding path program 1 times [2025-03-13 22:24:45,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:45,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444619915] [2025-03-13 22:24:45,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:45,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-13 22:24:45,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-13 22:24:45,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:45,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:45,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:45,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444619915] [2025-03-13 22:24:45,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444619915] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:45,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:45,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:45,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7301869] [2025-03-13 22:24:45,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:45,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:45,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:45,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:45,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:45,458 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1771 [2025-03-13 22:24:45,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 967 transitions, 1944 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:45,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:45,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1771 [2025-03-13 22:24:45,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:48,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-13 22:24:51,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-13 22:24:52,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-13 22:24:57,481 INFO L124 PetriNetUnfolderBase]: 676/2548 cut-off events. [2025-03-13 22:24:57,481 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-13 22:24:57,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3347 conditions, 2548 events. 676/2548 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 12145 event pairs, 135 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 3162. Up to 772 conditions per place. [2025-03-13 22:24:57,495 INFO L140 encePairwiseOnDemand]: 1768/1771 looper letters, 42 selfloop transitions, 2 changer transitions 0/966 dead transitions. [2025-03-13 22:24:57,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 966 transitions, 2030 flow [2025-03-13 22:24:57,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:24:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:24:57,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2991 transitions. [2025-03-13 22:24:57,499 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5629587803500847 [2025-03-13 22:24:57,499 INFO L175 Difference]: Start difference. First operand has 936 places, 967 transitions, 1944 flow. Second operand 3 states and 2991 transitions. [2025-03-13 22:24:57,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 966 transitions, 2030 flow [2025-03-13 22:24:57,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 966 transitions, 2026 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:24:57,509 INFO L231 Difference]: Finished difference. Result has 935 places, 966 transitions, 1942 flow [2025-03-13 22:24:57,510 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1771, PETRI_DIFFERENCE_MINUEND_FLOW=1938, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=966, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=964, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1942, PETRI_PLACES=935, PETRI_TRANSITIONS=966} [2025-03-13 22:24:57,510 INFO L279 CegarLoopForPetriNet]: 1690 programPoint places, -755 predicate places. [2025-03-13 22:24:57,510 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 966 transitions, 1942 flow [2025-03-13 22:24:57,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:57,512 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:24:57,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:24:57,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:24:57,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2025-03-13 22:24:57,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:24:57,513 INFO L85 PathProgramCache]: Analyzing trace with hash -248877335, now seen corresponding path program 1 times [2025-03-13 22:24:57,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:24:57,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208746698] [2025-03-13 22:24:57,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:24:57,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:24:57,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-13 22:24:57,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-13 22:24:57,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:24:57,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:24:57,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:24:57,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:24:57,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208746698] [2025-03-13 22:24:57,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208746698] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:24:57,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:24:57,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:24:57,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422741779] [2025-03-13 22:24:57,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:24:57,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:24:57,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:24:57,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:24:57,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:24:57,640 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1771 [2025-03-13 22:24:57,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 966 transitions, 1942 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2025-03-13 22:24:57,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:24:57,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1771 [2025-03-13 22:24:57,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:24:59,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []