./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur-race.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for data races
Using default analysis
Version 735b3cc8
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur-race.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-735b3cc-m
[2025-03-14 01:19:31,802 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-14 01:19:31,854 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2025-03-14 01:19:31,859 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-14 01:19:31,861 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-14 01:19:31,883 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-14 01:19:31,885 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-14 01:19:31,885 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-14 01:19:31,886 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-14 01:19:31,886 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-14 01:19:31,887 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-14 01:19:31,887 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-14 01:19:31,887 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-14 01:19:31,887 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-14 01:19:31,887 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-14 01:19:31,887 INFO  L153        SettingsManager]:  * sizeof long=4
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * sizeof long double=12
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-14 01:19:31,888 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-14 01:19:31,888 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-14 01:19:31,889 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-14 01:19:31,889 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-14 01:19:31,889 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-14 01:19:31,889 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-14 01:19:31,889 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-14 01:19:31,889 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-14 01:19:31,889 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-14 01:19:31,889 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-14 01:19:31,890 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-14 01:19:31,890 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-14 01:19:31,890 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-14 01:19:31,890 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-14 01:19:31,890 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-14 01:19:31,890 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 -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b
[2025-03-14 01:19:32,128 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-14 01:19:32,135 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-14 01:19:32,137 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-14 01:19:32,138 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-14 01:19:32,138 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-14 01:19:32,139 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur-race.i
[2025-03-14 01:19:33,258 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7d555df/7da3738433434c899fe68ea8b114fdc3/FLAG43d4764fe
[2025-03-14 01:19:33,552 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-14 01:19:33,554 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur-race.i
[2025-03-14 01:19:33,567 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7d555df/7da3738433434c899fe68ea8b114fdc3/FLAG43d4764fe
[2025-03-14 01:19:33,593 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7d555df/7da3738433434c899fe68ea8b114fdc3
[2025-03-14 01:19:33,596 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-14 01:19:33,598 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-14 01:19:33,600 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-14 01:19:33,601 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-14 01:19:33,605 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-14 01:19:33,605 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:33,606 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3230c944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33, skipping insertion in model container
[2025-03-14 01:19:33,606 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:33,638 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-14 01:19:33,907 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-14 01:19:33,921 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-14 01:19:33,961 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-14 01:19:33,990 INFO  L204         MainTranslator]: Completed translation
[2025-03-14 01:19:33,990 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33 WrapperNode
[2025-03-14 01:19:33,991 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-14 01:19:33,992 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-14 01:19:33,992 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-14 01:19:33,992 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-14 01:19:33,996 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,009 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,032 INFO  L138                Inliner]: procedures = 170, calls = 33, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 246
[2025-03-14 01:19:34,033 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-14 01:19:34,033 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-14 01:19:34,033 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-14 01:19:34,033 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-14 01:19:34,040 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,041 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,043 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,044 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,054 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,056 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,057 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,057 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,059 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-14 01:19:34,060 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-14 01:19:34,060 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-14 01:19:34,060 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-14 01:19:34,064 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (1/1) ...
[2025-03-14 01:19:34,068 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-14 01:19:34,077 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-14 01:19:34,089 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)
[2025-03-14 01:19:34,090 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
[2025-03-14 01:19:34,108 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2025-03-14 01:19:34,108 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2025-03-14 01:19:34,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2025-03-14 01:19:34,108 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2025-03-14 01:19:34,108 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-14 01:19:34,108 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2025-03-14 01:19:34,108 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2025-03-14 01:19:34,108 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2025-03-14 01:19:34,108 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-14 01:19:34,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-14 01:19:34,109 WARN  L225             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2025-03-14 01:19:34,199 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-14 01:19:34,200 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-14 01:19:34,590 INFO  L303             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2025-03-14 01:19:34,591 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-14 01:19:34,591 INFO  L318             CfgBuilder]: Performing block encoding
[2025-03-14 01:19:34,778 INFO  L337             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-14 01:19:34,779 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:19:34 BoogieIcfgContainer
[2025-03-14 01:19:34,779 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-14 01:19:34,781 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-14 01:19:34,781 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-14 01:19:34,784 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-14 01:19:34,784 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:19:33" (1/3) ...
[2025-03-14 01:19:34,785 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c1cbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:19:34, skipping insertion in model container
[2025-03-14 01:19:34,785 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:19:33" (2/3) ...
[2025-03-14 01:19:34,786 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c1cbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:19:34, skipping insertion in model container
[2025-03-14 01:19:34,786 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:19:34" (3/3) ...
[2025-03-14 01:19:34,787 INFO  L128   eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur-race.i
[2025-03-14 01:19:34,798 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-14 01:19:34,800 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG 36_stack_cas_p0_vs_concur-race.i that has 2 procedures, 207 locations, 1 initial locations, 3 loop locations, and 19 error locations.
[2025-03-14 01:19:34,802 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2025-03-14 01:19:34,886 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2025-03-14 01:19:34,924 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 210 places, 214 transitions, 432 flow
[2025-03-14 01:19:34,992 INFO  L124   PetriNetUnfolderBase]: 7/221 cut-off events.
[2025-03-14 01:19:34,994 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2025-03-14 01:19:35,000 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 225 conditions, 221 events. 7/221 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 184 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 134. Up to 3 conditions per place. 
[2025-03-14 01:19:35,000 INFO  L82        GeneralOperation]: Start removeDead. Operand has 210 places, 214 transitions, 432 flow
[2025-03-14 01:19:35,005 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 210 places, 214 transitions, 432 flow
[2025-03-14 01:19:35,012 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-14 01:19:35,023 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;@1134ff9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-14 01:19:35,023 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 39 error locations.
[2025-03-14 01:19:35,045 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2025-03-14 01:19:35,045 INFO  L124   PetriNetUnfolderBase]: 0/102 cut-off events.
[2025-03-14 01:19:35,045 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2025-03-14 01:19:35,045 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:35,046 INFO  L206   CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-14 01:19:35,047 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 35 more)] ===
[2025-03-14 01:19:35,051 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:35,052 INFO  L85        PathProgramCache]: Analyzing trace with hash 2063658750, now seen corresponding path program 1 times
[2025-03-14 01:19:35,056 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:35,057 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964459131]
[2025-03-14 01:19:35,057 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:35,058 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:35,136 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes.
[2025-03-14 01:19:35,191 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements.
[2025-03-14 01:19:35,191 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:35,191 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-03-14 01:19:35,191 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-03-14 01:19:35,199 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes.
[2025-03-14 01:19:35,227 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements.
[2025-03-14 01:19:35,228 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:35,228 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-03-14 01:19:35,248 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-03-14 01:19:35,249 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-03-14 01:19:35,250 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 39 remaining)
[2025-03-14 01:19:35,251 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining)
[2025-03-14 01:19:35,251 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining)
[2025-03-14 01:19:35,251 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining)
[2025-03-14 01:19:35,251 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining)
[2025-03-14 01:19:35,251 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining)
[2025-03-14 01:19:35,251 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining)
[2025-03-14 01:19:35,252 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining)
[2025-03-14 01:19:35,253 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining)
[2025-03-14 01:19:35,254 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining)
[2025-03-14 01:19:35,255 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-14 01:19:35,255 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2025-03-14 01:19:35,257 WARN  L246   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2025-03-14 01:19:35,257 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2025-03-14 01:19:35,353 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2025-03-14 01:19:35,357 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 331 places, 340 transitions, 690 flow
[2025-03-14 01:19:35,435 INFO  L124   PetriNetUnfolderBase]: 14/356 cut-off events.
[2025-03-14 01:19:35,435 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2025-03-14 01:19:35,443 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 364 conditions, 356 events. 14/356 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 733 event pairs, 0 based on Foata normal form. 0/301 useless extension candidates. Maximal degree in co-relation 259. Up to 3 conditions per place. 
[2025-03-14 01:19:35,443 INFO  L82        GeneralOperation]: Start removeDead. Operand has 331 places, 340 transitions, 690 flow
[2025-03-14 01:19:35,449 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 331 places, 340 transitions, 690 flow
[2025-03-14 01:19:35,450 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-14 01:19:35,451 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;@1134ff9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-14 01:19:35,451 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 58 error locations.
[2025-03-14 01:19:35,463 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2025-03-14 01:19:35,463 INFO  L124   PetriNetUnfolderBase]: 0/111 cut-off events.
[2025-03-14 01:19:35,463 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2025-03-14 01:19:35,463 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:35,463 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]
[2025-03-14 01:19:35,463 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err18ASSERT_VIOLATIONDATA_RACE === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 54 more)] ===
[2025-03-14 01:19:35,464 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:35,464 INFO  L85        PathProgramCache]: Analyzing trace with hash -1418182107, now seen corresponding path program 1 times
[2025-03-14 01:19:35,464 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:35,464 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062555109]
[2025-03-14 01:19:35,464 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:35,464 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:35,496 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes.
[2025-03-14 01:19:35,528 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements.
[2025-03-14 01:19:35,528 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:35,528 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-14 01:19:35,654 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-14 01:19:35,654 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-14 01:19:35,654 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062555109]
[2025-03-14 01:19:35,655 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062555109] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-14 01:19:35,655 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-14 01:19:35,655 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2025-03-14 01:19:35,655 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668535742]
[2025-03-14 01:19:35,656 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-14 01:19:35,660 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-03-14 01:19:35,665 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-14 01:19:35,679 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-03-14 01:19:35,680 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-14 01:19:35,683 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340
[2025-03-14 01:19:35,686 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 340 transitions, 690 flow. Second operand  has 2 states, 2 states have (on average 302.0) internal successors, (604), 2 states have internal predecessors, (604), 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)
[2025-03-14 01:19:35,687 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-03-14 01:19:35,687 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340
[2025-03-14 01:19:35,689 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-03-14 01:19:35,862 INFO  L124   PetriNetUnfolderBase]: 18/522 cut-off events.
[2025-03-14 01:19:35,863 INFO  L125   PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES.
[2025-03-14 01:19:35,868 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 555 conditions, 522 events. 18/522 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1363 event pairs, 6 based on Foata normal form. 41/508 useless extension candidates. Maximal degree in co-relation 194. Up to 19 conditions per place. 
[2025-03-14 01:19:35,872 INFO  L140   encePairwiseOnDemand]: 309/340 looper letters, 6 selfloop transitions, 0 changer transitions 0/290 dead transitions.
[2025-03-14 01:19:35,872 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 290 transitions, 602 flow
[2025-03-14 01:19:35,874 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-03-14 01:19:35,876 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2025-03-14 01:19:35,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 639 transitions.
[2025-03-14 01:19:35,887 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.9397058823529412
[2025-03-14 01:19:35,888 INFO  L175             Difference]: Start difference. First operand has 331 places, 340 transitions, 690 flow. Second operand 2 states and 639 transitions.
[2025-03-14 01:19:35,889 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 290 transitions, 602 flow
[2025-03-14 01:19:35,893 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 290 transitions, 602 flow, removed 0 selfloop flow, removed 0 redundant places.
[2025-03-14 01:19:35,897 INFO  L231             Difference]: Finished difference. Result has 290 places, 290 transitions, 590 flow
[2025-03-14 01:19:35,900 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=590, PETRI_PLACES=290, PETRI_TRANSITIONS=290}
[2025-03-14 01:19:35,903 INFO  L279   CegarLoopForPetriNet]: 331 programPoint places, -41 predicate places.
[2025-03-14 01:19:35,903 INFO  L471      AbstractCegarLoop]: Abstraction has has 290 places, 290 transitions, 590 flow
[2025-03-14 01:19:35,904 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 302.0) internal successors, (604), 2 states have internal predecessors, (604), 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)
[2025-03-14 01:19:35,904 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:35,904 INFO  L206   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-14 01:19:35,904 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-14 01:19:35,904 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 54 more)] ===
[2025-03-14 01:19:35,905 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:35,906 INFO  L85        PathProgramCache]: Analyzing trace with hash -1867383630, now seen corresponding path program 1 times
[2025-03-14 01:19:35,907 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:35,907 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951467387]
[2025-03-14 01:19:35,907 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:35,907 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:35,932 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes.
[2025-03-14 01:19:35,954 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements.
[2025-03-14 01:19:35,956 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:35,957 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-03-14 01:19:35,957 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-03-14 01:19:35,964 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes.
[2025-03-14 01:19:35,978 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements.
[2025-03-14 01:19:35,979 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:35,979 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-03-14 01:19:35,993 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-03-14 01:19:35,993 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-03-14 01:19:35,993 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining)
[2025-03-14 01:19:35,994 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining)
[2025-03-14 01:19:35,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining)
[2025-03-14 01:19:35,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining)
[2025-03-14 01:19:35,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining)
[2025-03-14 01:19:35,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining)
[2025-03-14 01:19:35,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining)
[2025-03-14 01:19:35,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining)
[2025-03-14 01:19:35,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (23 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining)
[2025-03-14 01:19:35,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining)
[2025-03-14 01:19:35,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining)
[2025-03-14 01:19:35,998 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-14 01:19:35,998 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2025-03-14 01:19:35,999 WARN  L246   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2025-03-14 01:19:35,999 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2025-03-14 01:19:36,105 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2025-03-14 01:19:36,113 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 452 places, 466 transitions, 950 flow
[2025-03-14 01:19:36,205 INFO  L124   PetriNetUnfolderBase]: 21/491 cut-off events.
[2025-03-14 01:19:36,205 INFO  L125   PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2025-03-14 01:19:36,210 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 504 conditions, 491 events. 21/491 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1498 event pairs, 0 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 384. Up to 4 conditions per place. 
[2025-03-14 01:19:36,210 INFO  L82        GeneralOperation]: Start removeDead. Operand has 452 places, 466 transitions, 950 flow
[2025-03-14 01:19:36,215 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 452 places, 466 transitions, 950 flow
[2025-03-14 01:19:36,216 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-14 01:19:36,217 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;@1134ff9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-14 01:19:36,217 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 77 error locations.
[2025-03-14 01:19:36,224 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2025-03-14 01:19:36,224 INFO  L124   PetriNetUnfolderBase]: 0/111 cut-off events.
[2025-03-14 01:19:36,224 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2025-03-14 01:19:36,224 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:36,224 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]
[2025-03-14 01:19:36,224 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err18ASSERT_VIOLATIONDATA_RACE === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 73 more)] ===
[2025-03-14 01:19:36,225 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:36,225 INFO  L85        PathProgramCache]: Analyzing trace with hash 673305314, now seen corresponding path program 1 times
[2025-03-14 01:19:36,225 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:36,225 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778926763]
[2025-03-14 01:19:36,225 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:36,225 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:36,248 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes.
[2025-03-14 01:19:36,268 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements.
[2025-03-14 01:19:36,268 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:36,268 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-14 01:19:36,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-14 01:19:36,326 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-14 01:19:36,326 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778926763]
[2025-03-14 01:19:36,326 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778926763] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-14 01:19:36,327 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-14 01:19:36,327 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2025-03-14 01:19:36,328 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431123856]
[2025-03-14 01:19:36,328 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-14 01:19:36,329 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-03-14 01:19:36,329 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-14 01:19:36,329 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-03-14 01:19:36,329 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-14 01:19:36,331 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 408 out of 466
[2025-03-14 01:19:36,332 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 466 transitions, 950 flow. Second operand  has 2 states, 2 states have (on average 409.0) internal successors, (818), 2 states have internal predecessors, (818), 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)
[2025-03-14 01:19:36,332 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-03-14 01:19:36,332 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 466
[2025-03-14 01:19:36,332 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-03-14 01:19:36,667 INFO  L124   PetriNetUnfolderBase]: 81/1536 cut-off events.
[2025-03-14 01:19:36,667 INFO  L125   PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES.
[2025-03-14 01:19:36,679 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1669 conditions, 1536 events. 81/1536 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8767 event pairs, 42 based on Foata normal form. 172/1523 useless extension candidates. Maximal degree in co-relation 548. Up to 82 conditions per place. 
[2025-03-14 01:19:36,688 INFO  L140   encePairwiseOnDemand]: 420/466 looper letters, 9 selfloop transitions, 0 changer transitions 0/393 dead transitions.
[2025-03-14 01:19:36,688 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 393 transitions, 822 flow
[2025-03-14 01:19:36,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-03-14 01:19:36,690 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2025-03-14 01:19:36,692 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 871 transitions.
[2025-03-14 01:19:36,693 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.9345493562231759
[2025-03-14 01:19:36,693 INFO  L175             Difference]: Start difference. First operand has 452 places, 466 transitions, 950 flow. Second operand 2 states and 871 transitions.
[2025-03-14 01:19:36,693 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 393 transitions, 822 flow
[2025-03-14 01:19:36,696 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 393 transitions, 820 flow, removed 1 selfloop flow, removed 0 redundant places.
[2025-03-14 01:19:36,701 INFO  L231             Difference]: Finished difference. Result has 392 places, 393 transitions, 802 flow
[2025-03-14 01:19:36,701 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=802, PETRI_PLACES=392, PETRI_TRANSITIONS=393}
[2025-03-14 01:19:36,702 INFO  L279   CegarLoopForPetriNet]: 452 programPoint places, -60 predicate places.
[2025-03-14 01:19:36,702 INFO  L471      AbstractCegarLoop]: Abstraction has has 392 places, 393 transitions, 802 flow
[2025-03-14 01:19:36,703 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 409.0) internal successors, (818), 2 states have internal predecessors, (818), 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)
[2025-03-14 01:19:36,703 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:36,703 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]
[2025-03-14 01:19:36,703 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-14 01:19:36,704 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 73 more)] ===
[2025-03-14 01:19:36,704 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:36,704 INFO  L85        PathProgramCache]: Analyzing trace with hash 934789932, now seen corresponding path program 1 times
[2025-03-14 01:19:36,704 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:36,705 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557132335]
[2025-03-14 01:19:36,705 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:36,705 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:36,729 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes.
[2025-03-14 01:19:36,753 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements.
[2025-03-14 01:19:36,754 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:36,754 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-14 01:19:37,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-14 01:19:37,371 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-14 01:19:37,371 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557132335]
[2025-03-14 01:19:37,371 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557132335] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-14 01:19:37,371 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-14 01:19:37,372 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-14 01:19:37,372 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537987333]
[2025-03-14 01:19:37,372 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-14 01:19:37,372 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-14 01:19:37,373 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-14 01:19:37,373 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-14 01:19:37,373 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2025-03-14 01:19:38,153 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 379 out of 466
[2025-03-14 01:19:38,155 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 393 transitions, 802 flow. Second operand  has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 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)
[2025-03-14 01:19:38,155 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-03-14 01:19:38,155 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 466
[2025-03-14 01:19:38,156 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-03-14 01:19:40,448 INFO  L124   PetriNetUnfolderBase]: 1402/13701 cut-off events.
[2025-03-14 01:19:40,448 INFO  L125   PetriNetUnfolderBase]: For 646/646 co-relation queries the response was YES.
[2025-03-14 01:19:40,513 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16079 conditions, 13701 events. 1402/13701 cut-off events. For 646/646 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 161264 event pairs, 263 based on Foata normal form. 0/11910 useless extension candidates. Maximal degree in co-relation 16073. Up to 1285 conditions per place. 
[2025-03-14 01:19:40,570 INFO  L140   encePairwiseOnDemand]: 437/466 looper letters, 53 selfloop transitions, 37 changer transitions 0/446 dead transitions.
[2025-03-14 01:19:40,571 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 446 transitions, 1128 flow
[2025-03-14 01:19:40,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-14 01:19:40,571 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2025-03-14 01:19:40,574 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2368 transitions.
[2025-03-14 01:19:40,575 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8469241773962805
[2025-03-14 01:19:40,575 INFO  L175             Difference]: Start difference. First operand has 392 places, 393 transitions, 802 flow. Second operand 6 states and 2368 transitions.
[2025-03-14 01:19:40,575 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 446 transitions, 1128 flow
[2025-03-14 01:19:40,579 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 446 transitions, 1128 flow, removed 0 selfloop flow, removed 0 redundant places.
[2025-03-14 01:19:40,585 INFO  L231             Difference]: Finished difference. Result has 402 places, 429 transitions, 1078 flow
[2025-03-14 01:19:40,586 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=466, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1078, PETRI_PLACES=402, PETRI_TRANSITIONS=429}
[2025-03-14 01:19:40,586 INFO  L279   CegarLoopForPetriNet]: 452 programPoint places, -50 predicate places.
[2025-03-14 01:19:40,586 INFO  L471      AbstractCegarLoop]: Abstraction has has 402 places, 429 transitions, 1078 flow
[2025-03-14 01:19:40,588 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 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)
[2025-03-14 01:19:40,588 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:40,588 INFO  L206   CegarLoopForPetriNet]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-14 01:19:40,588 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-14 01:19:40,588 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 73 more)] ===
[2025-03-14 01:19:40,589 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:40,589 INFO  L85        PathProgramCache]: Analyzing trace with hash 328641761, now seen corresponding path program 1 times
[2025-03-14 01:19:40,589 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:40,589 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146983472]
[2025-03-14 01:19:40,589 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:40,589 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:40,604 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes.
[2025-03-14 01:19:40,619 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements.
[2025-03-14 01:19:40,619 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:40,619 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-03-14 01:19:40,619 INFO  L348             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2025-03-14 01:19:40,623 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes.
[2025-03-14 01:19:40,631 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements.
[2025-03-14 01:19:40,632 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:40,632 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is sat
[2025-03-14 01:19:40,648 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2025-03-14 01:19:40,648 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (75 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (74 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (73 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (72 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (71 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (70 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (69 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (68 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (67 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (66 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (65 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (64 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (63 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (62 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (61 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (60 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (59 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (58 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (57 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (56 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (55 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (54 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (53 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 77 remaining)
[2025-03-14 01:19:40,649 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (51 of 77 remaining)
[2025-03-14 01:19:40,651 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (50 of 77 remaining)
[2025-03-14 01:19:40,651 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (49 of 77 remaining)
[2025-03-14 01:19:40,652 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (48 of 77 remaining)
[2025-03-14 01:19:40,652 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (47 of 77 remaining)
[2025-03-14 01:19:40,652 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (46 of 77 remaining)
[2025-03-14 01:19:40,652 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (45 of 77 remaining)
[2025-03-14 01:19:40,653 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 77 remaining)
[2025-03-14 01:19:40,653 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (43 of 77 remaining)
[2025-03-14 01:19:40,653 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (42 of 77 remaining)
[2025-03-14 01:19:40,653 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 77 remaining)
[2025-03-14 01:19:40,653 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (40 of 77 remaining)
[2025-03-14 01:19:40,653 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (39 of 77 remaining)
[2025-03-14 01:19:40,654 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 77 remaining)
[2025-03-14 01:19:40,654 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (37 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (36 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (35 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (34 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (33 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (32 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (30 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (29 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (28 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (26 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (25 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (23 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (22 of 77 remaining)
[2025-03-14 01:19:40,655 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 77 remaining)
[2025-03-14 01:19:40,656 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (20 of 77 remaining)
[2025-03-14 01:19:40,656 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (19 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (18 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (17 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (16 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (14 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (13 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 77 remaining)
[2025-03-14 01:19:40,657 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (1 of 77 remaining)
[2025-03-14 01:19:40,658 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 77 remaining)
[2025-03-14 01:19:40,658 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-14 01:19:40,658 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-03-14 01:19:40,659 WARN  L246   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2025-03-14 01:19:40,659 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2025-03-14 01:19:40,743 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2025-03-14 01:19:40,747 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 573 places, 592 transitions, 1212 flow
[2025-03-14 01:19:40,823 INFO  L124   PetriNetUnfolderBase]: 28/626 cut-off events.
[2025-03-14 01:19:40,823 INFO  L125   PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2025-03-14 01:19:40,835 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 645 conditions, 626 events. 28/626 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2342 event pairs, 0 based on Foata normal form. 0/517 useless extension candidates. Maximal degree in co-relation 509. Up to 5 conditions per place. 
[2025-03-14 01:19:40,835 INFO  L82        GeneralOperation]: Start removeDead. Operand has 573 places, 592 transitions, 1212 flow
[2025-03-14 01:19:40,843 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 573 places, 592 transitions, 1212 flow
[2025-03-14 01:19:40,844 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-14 01:19:40,844 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;@1134ff9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-14 01:19:40,844 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 96 error locations.
[2025-03-14 01:19:40,848 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2025-03-14 01:19:40,849 INFO  L124   PetriNetUnfolderBase]: 0/111 cut-off events.
[2025-03-14 01:19:40,849 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2025-03-14 01:19:40,849 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:40,849 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]
[2025-03-14 01:19:40,849 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err18ASSERT_VIOLATIONDATA_RACE === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 92 more)] ===
[2025-03-14 01:19:40,849 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:40,849 INFO  L85        PathProgramCache]: Analyzing trace with hash -1253714209, now seen corresponding path program 1 times
[2025-03-14 01:19:40,849 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:40,849 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364619377]
[2025-03-14 01:19:40,849 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:40,849 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:40,863 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes.
[2025-03-14 01:19:40,868 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements.
[2025-03-14 01:19:40,868 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:40,868 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-14 01:19:40,884 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-14 01:19:40,884 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-14 01:19:40,884 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364619377]
[2025-03-14 01:19:40,884 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364619377] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-14 01:19:40,884 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-14 01:19:40,884 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2025-03-14 01:19:40,884 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490003695]
[2025-03-14 01:19:40,884 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-14 01:19:40,885 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-03-14 01:19:40,885 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-14 01:19:40,885 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-03-14 01:19:40,885 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-14 01:19:40,886 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 515 out of 592
[2025-03-14 01:19:40,887 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 592 transitions, 1212 flow. Second operand  has 2 states, 2 states have (on average 516.0) internal successors, (1032), 2 states have internal predecessors, (1032), 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)
[2025-03-14 01:19:40,887 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-03-14 01:19:40,887 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 592
[2025-03-14 01:19:40,887 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-03-14 01:19:41,828 INFO  L124   PetriNetUnfolderBase]: 324/4632 cut-off events.
[2025-03-14 01:19:41,829 INFO  L125   PetriNetUnfolderBase]: For 496/496 co-relation queries the response was YES.
[2025-03-14 01:19:41,882 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5144 conditions, 4632 events. 324/4632 cut-off events. For 496/496 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 40061 event pairs, 204 based on Foata normal form. 697/4746 useless extension candidates. Maximal degree in co-relation 1655. Up to 325 conditions per place. 
[2025-03-14 01:19:41,916 INFO  L140   encePairwiseOnDemand]: 531/592 looper letters, 12 selfloop transitions, 0 changer transitions 0/496 dead transitions.
[2025-03-14 01:19:41,917 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 496 transitions, 1044 flow
[2025-03-14 01:19:41,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-03-14 01:19:41,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2025-03-14 01:19:41,920 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1103 transitions.
[2025-03-14 01:19:41,920 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.9315878378378378
[2025-03-14 01:19:41,920 INFO  L175             Difference]: Start difference. First operand has 573 places, 592 transitions, 1212 flow. Second operand 2 states and 1103 transitions.
[2025-03-14 01:19:41,920 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 496 transitions, 1044 flow
[2025-03-14 01:19:41,926 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 496 transitions, 1038 flow, removed 3 selfloop flow, removed 0 redundant places.
[2025-03-14 01:19:41,930 INFO  L231             Difference]: Finished difference. Result has 494 places, 496 transitions, 1014 flow
[2025-03-14 01:19:41,931 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=592, PETRI_DIFFERENCE_MINUEND_FLOW=1014, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1014, PETRI_PLACES=494, PETRI_TRANSITIONS=496}
[2025-03-14 01:19:41,933 INFO  L279   CegarLoopForPetriNet]: 573 programPoint places, -79 predicate places.
[2025-03-14 01:19:41,933 INFO  L471      AbstractCegarLoop]: Abstraction has has 494 places, 496 transitions, 1014 flow
[2025-03-14 01:19:41,934 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 516.0) internal successors, (1032), 2 states have internal predecessors, (1032), 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)
[2025-03-14 01:19:41,934 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:41,934 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]
[2025-03-14 01:19:41,934 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-14 01:19:41,934 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 92 more)] ===
[2025-03-14 01:19:41,935 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:41,935 INFO  L85        PathProgramCache]: Analyzing trace with hash 1147234889, now seen corresponding path program 1 times
[2025-03-14 01:19:41,935 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:41,935 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269425577]
[2025-03-14 01:19:41,935 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:41,936 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:41,959 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes.
[2025-03-14 01:19:41,973 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements.
[2025-03-14 01:19:41,974 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:41,974 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-14 01:19:42,369 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-14 01:19:42,371 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-14 01:19:42,371 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269425577]
[2025-03-14 01:19:42,371 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269425577] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-14 01:19:42,371 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-14 01:19:42,371 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-14 01:19:42,371 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495440490]
[2025-03-14 01:19:42,371 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-14 01:19:42,372 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-14 01:19:42,372 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-14 01:19:42,372 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-14 01:19:42,372 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2025-03-14 01:19:43,337 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 486 out of 592
[2025-03-14 01:19:43,339 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 496 transitions, 1014 flow. Second operand  has 6 states, 6 states have (on average 487.5) internal successors, (2925), 6 states have internal predecessors, (2925), 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)
[2025-03-14 01:19:43,339 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-03-14 01:19:43,339 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 592
[2025-03-14 01:19:43,339 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2025-03-14 01:19:52,850 INFO  L124   PetriNetUnfolderBase]: 6427/48976 cut-off events.
[2025-03-14 01:19:52,850 INFO  L125   PetriNetUnfolderBase]: For 3013/3013 co-relation queries the response was YES.
[2025-03-14 01:19:53,406 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 58782 conditions, 48976 events. 6427/48976 cut-off events. For 3013/3013 co-relation queries the response was YES. Maximal size of possible extension queue 769. Compared 704804 event pairs, 1568 based on Foata normal form. 0/42470 useless extension candidates. Maximal degree in co-relation 58775. Up to 5941 conditions per place. 
[2025-03-14 01:19:53,773 INFO  L140   encePairwiseOnDemand]: 561/592 looper letters, 60 selfloop transitions, 45 changer transitions 0/561 dead transitions.
[2025-03-14 01:19:53,773 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 561 transitions, 1414 flow
[2025-03-14 01:19:53,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-14 01:19:53,775 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2025-03-14 01:19:53,779 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3025 transitions.
[2025-03-14 01:19:53,780 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8516328828828829
[2025-03-14 01:19:53,780 INFO  L175             Difference]: Start difference. First operand has 494 places, 496 transitions, 1014 flow. Second operand 6 states and 3025 transitions.
[2025-03-14 01:19:53,780 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 561 transitions, 1414 flow
[2025-03-14 01:19:53,792 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 561 transitions, 1414 flow, removed 0 selfloop flow, removed 0 redundant places.
[2025-03-14 01:19:53,796 INFO  L231             Difference]: Finished difference. Result has 504 places, 540 transitions, 1342 flow
[2025-03-14 01:19:53,797 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=592, PETRI_DIFFERENCE_MINUEND_FLOW=1014, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1342, PETRI_PLACES=504, PETRI_TRANSITIONS=540}
[2025-03-14 01:19:53,797 INFO  L279   CegarLoopForPetriNet]: 573 programPoint places, -69 predicate places.
[2025-03-14 01:19:53,797 INFO  L471      AbstractCegarLoop]: Abstraction has has 504 places, 540 transitions, 1342 flow
[2025-03-14 01:19:53,799 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 487.5) internal successors, (2925), 6 states have internal predecessors, (2925), 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)
[2025-03-14 01:19:53,799 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2025-03-14 01:19:53,799 INFO  L206   CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-14 01:19:53,799 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-14 01:19:53,800 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err13ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE (and 92 more)] ===
[2025-03-14 01:19:53,800 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-14 01:19:53,800 INFO  L85        PathProgramCache]: Analyzing trace with hash -945462563, now seen corresponding path program 1 times
[2025-03-14 01:19:53,800 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-14 01:19:53,800 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681390367]
[2025-03-14 01:19:53,800 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-14 01:19:53,800 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-14 01:19:53,819 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes.
[2025-03-14 01:19:53,828 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements.
[2025-03-14 01:19:53,828 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-14 01:19:53,828 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-14 01:19:54,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-14 01:19:54,199 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-14 01:19:54,199 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681390367]
[2025-03-14 01:19:54,199 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681390367] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-14 01:19:54,199 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-14 01:19:54,199 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-14 01:19:54,199 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282986869]
[2025-03-14 01:19:54,200 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-14 01:19:54,200 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-14 01:19:54,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-14 01:19:54,200 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-14 01:19:54,200 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2025-03-14 01:19:55,097 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 486 out of 592
[2025-03-14 01:19:55,099 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 540 transitions, 1342 flow. Second operand  has 6 states, 6 states have (on average 487.6666666666667) internal successors, (2926), 6 states have internal predecessors, (2926), 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)
[2025-03-14 01:19:55,099 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2025-03-14 01:19:55,099 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 592
[2025-03-14 01:19:55,099 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand