./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version c7c6ca5d
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/25_stack_longest-2.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 572f30a11eb1875d022a7591921c07965188882988e15e9eab6f0a68b203b580
--- Real Ultimate output ---
This is Ultimate 0.2.5-?-c7c6ca5-m
[2024-11-09 06:31:58,637 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-09 06:31:58,706 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-09 06:31:58,713 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 06:31:58,713 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 06:31:58,750 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 06:31:58,753 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 06:31:58,754 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 06:31:58,755 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 06:31:58,756 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 06:31:58,757 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-09 06:31:58,757 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-09 06:31:58,758 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-09 06:31:58,760 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 06:31:58,761 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-09 06:31:58,761 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-09 06:31:58,762 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-09 06:31:58,762 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-09 06:31:58,762 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-09 06:31:58,762 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 06:31:58,763 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 06:31:58,763 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 06:31:58,764 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-11-09 06:31:58,764 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-09 06:31:58,764 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-09 06:31:58,764 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-09 06:31:58,765 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-09 06:31:58,765 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-09 06:31:58,765 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 06:31:58,766 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-09 06:31:58,766 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-09 06:31:58,766 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-09 06:31:58,767 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 06:31:58,767 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 06:31:58,767 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 06:31:58,768 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-09 06:31:58,768 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 06:31:58,768 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 06:31:58,769 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-09 06:31:58,769 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-09 06:31:58,769 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 06:31:58,773 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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 -> 572f30a11eb1875d022a7591921c07965188882988e15e9eab6f0a68b203b580
[2024-11-09 06:31:59,105 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 06:31:59,133 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 06:31:59,135 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 06:31:59,136 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-09 06:31:59,136 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-09 06:31:59,138 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i
[2024-11-09 06:32:00,688 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-09 06:32:01,037 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-09 06:32:01,039 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i
[2024-11-09 06:32:01,062 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d49b60b1/a3555ba52b81495eb84564c1cb1aef8b/FLAG5dc0b0d9b
[2024-11-09 06:32:01,082 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d49b60b1/a3555ba52b81495eb84564c1cb1aef8b
[2024-11-09 06:32:01,086 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 06:32:01,088 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 06:32:01,091 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 06:32:01,091 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 06:32:01,097 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 06:32:01,099 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:01,102 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414d4af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01, skipping insertion in model container
[2024-11-09 06:32:01,103 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:01,157 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-09 06:32:01,605 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 06:32:01,771 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-09 06:32:01,820 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 06:32:01,896 INFO  L204         MainTranslator]: Completed translation
[2024-11-09 06:32:01,897 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01 WrapperNode
[2024-11-09 06:32:01,897 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 06:32:01,898 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 06:32:01,898 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 06:32:01,898 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 06:32:01,906 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:01,938 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,001 INFO  L138                Inliner]: procedures = 171, calls = 36, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 2092
[2024-11-09 06:32:02,002 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 06:32:02,002 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 06:32:02,003 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 06:32:02,003 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 06:32:02,013 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,014 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,022 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,022 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,056 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,077 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,087 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,107 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,134 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 06:32:02,135 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 06:32:02,136 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 06:32:02,136 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-09 06:32:02,137 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (1/1) ...
[2024-11-09 06:32:02,153 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-09 06:32:02,173 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 06:32:02,200 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)
[2024-11-09 06:32:02,204 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
[2024-11-09 06:32:02,260 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2024-11-09 06:32:02,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2024-11-09 06:32:02,261 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-09 06:32:02,261 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-09 06:32:02,261 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 06:32:02,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-09 06:32:02,261 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-09 06:32:02,262 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-09 06:32:02,262 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 06:32:02,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 06:32:02,264 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-09 06:32:02,450 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-09 06:32:02,452 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 06:32:04,260 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-09 06:32:04,262 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-09 06:32:04,463 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 06:32:04,463 INFO  L316             CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-09 06:32:04,464 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:32:04 BoogieIcfgContainer
[2024-11-09 06:32:04,464 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 06:32:04,467 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 06:32:04,467 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 06:32:04,472 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-09 06:32:04,472 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:32:01" (1/3) ...
[2024-11-09 06:32:04,473 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc3611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:32:04, skipping insertion in model container
[2024-11-09 06:32:04,473 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:32:01" (2/3) ...
[2024-11-09 06:32:04,473 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc3611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:32:04, skipping insertion in model container
[2024-11-09 06:32:04,473 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:32:04" (3/3) ...
[2024-11-09 06:32:04,474 INFO  L112   eAbstractionObserver]: Analyzing ICFG 25_stack_longest-2.i
[2024-11-09 06:32:04,490 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 06:32:04,490 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2024-11-09 06:32:04,491 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-09 06:32:04,626 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-09 06:32:04,719 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2074 places, 2078 transitions, 4160 flow
[2024-11-09 06:32:05,879 INFO  L124   PetriNetUnfolderBase]: 8/2087 cut-off events.
[2024-11-09 06:32:05,880 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-09 06:32:05,891 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2091 conditions, 2087 events. 8/2087 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 180 event pairs, 0 based on Foata normal form. 0/2065 useless extension candidates. Maximal degree in co-relation 1956. Up to 4 conditions per place. 
[2024-11-09 06:32:05,892 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2074 places, 2078 transitions, 4160 flow
[2024-11-09 06:32:05,913 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2074 places, 2078 transitions, 4160 flow
[2024-11-09 06:32:05,931 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 06:32:05,941 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;@6cfc43fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 06:32:05,942 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 25 error locations.
[2024-11-09 06:32:06,576 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-09 06:32:06,576 INFO  L124   PetriNetUnfolderBase]: 2/1968 cut-off events.
[2024-11-09 06:32:06,576 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-09 06:32:06,577 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-09 06:32:06,579 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 06:32:06,581 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-09 06:32:06,587 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:32:06,588 INFO  L85        PathProgramCache]: Analyzing trace with hash 1726426589, now seen corresponding path program 1 times
[2024-11-09 06:32:06,598 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 06:32:06,600 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748898343]
[2024-11-09 06:32:06,601 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:32:06,601 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 06:32:07,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:32:10,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 06:32:10,509 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 06:32:10,509 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748898343]
[2024-11-09 06:32:10,510 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748898343] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 06:32:10,510 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 06:32:10,510 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 06:32:10,512 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030370416]
[2024-11-09 06:32:10,513 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 06:32:10,531 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 06:32:10,546 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 06:32:10,577 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 06:32:10,578 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 06:32:10,612 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2058 out of 2078
[2024-11-09 06:32:10,626 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2074 places, 2078 transitions, 4160 flow. Second operand  has 3 states, 3 states have (on average 2059.3333333333335) internal successors, (6178), 3 states have internal predecessors, (6178), 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)
[2024-11-09 06:32:10,626 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-09 06:32:10,627 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2058 of 2078
[2024-11-09 06:32:10,628 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-09 06:32:11,618 INFO  L124   PetriNetUnfolderBase]: 6/2162 cut-off events.
[2024-11-09 06:32:11,619 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-09 06:32:11,622 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2188 conditions, 2162 events. 6/2162 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 455 event pairs, 0 based on Foata normal form. 21/2160 useless extension candidates. Maximal degree in co-relation 229. Up to 12 conditions per place. 
[2024-11-09 06:32:11,629 INFO  L140   encePairwiseOnDemand]: 2069/2078 looper letters, 19 selfloop transitions, 2 changer transitions 0/2075 dead transitions.
[2024-11-09 06:32:11,629 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2068 places, 2075 transitions, 4196 flow
[2024-11-09 06:32:11,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 06:32:11,634 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-09 06:32:11,659 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6208 transitions.
[2024-11-09 06:32:11,669 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9958293230670516
[2024-11-09 06:32:11,671 INFO  L175             Difference]: Start difference. First operand has 2074 places, 2078 transitions, 4160 flow. Second operand 3 states and 6208 transitions.
[2024-11-09 06:32:11,672 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2068 places, 2075 transitions, 4196 flow
[2024-11-09 06:32:11,700 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2068 places, 2075 transitions, 4196 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-09 06:32:11,748 INFO  L231             Difference]: Finished difference. Result has 2068 places, 2067 transitions, 4142 flow
[2024-11-09 06:32:11,754 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=4138, PETRI_DIFFERENCE_MINUEND_PLACES=2066, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2065, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4142, PETRI_PLACES=2068, PETRI_TRANSITIONS=2067}
[2024-11-09 06:32:11,759 INFO  L277   CegarLoopForPetriNet]: 2074 programPoint places, -6 predicate places.
[2024-11-09 06:32:11,761 INFO  L471      AbstractCegarLoop]: Abstraction has has 2068 places, 2067 transitions, 4142 flow
[2024-11-09 06:32:11,765 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2059.3333333333335) internal successors, (6178), 3 states have internal predecessors, (6178), 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)
[2024-11-09 06:32:11,765 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-09 06:32:11,767 INFO  L204   CegarLoopForPetriNet]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 06:32:11,767 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-09 06:32:11,768 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-09 06:32:11,769 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:32:11,770 INFO  L85        PathProgramCache]: Analyzing trace with hash 782165032, now seen corresponding path program 1 times
[2024-11-09 06:32:11,770 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 06:32:11,771 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057229726]
[2024-11-09 06:32:11,771 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:32:11,771 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 06:32:14,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-09 06:32:14,400 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-09 06:32:16,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-09 06:32:17,805 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-09 06:32:17,806 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-09 06:32:17,808 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining)
[2024-11-09 06:32:17,810 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining)
[2024-11-09 06:32:17,810 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining)
[2024-11-09 06:32:17,810 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining)
[2024-11-09 06:32:17,810 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining)
[2024-11-09 06:32:17,810 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining)
[2024-11-09 06:32:17,811 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining)
[2024-11-09 06:32:17,811 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining)
[2024-11-09 06:32:17,811 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining)
[2024-11-09 06:32:17,811 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining)
[2024-11-09 06:32:17,812 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining)
[2024-11-09 06:32:17,812 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining)
[2024-11-09 06:32:17,812 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining)
[2024-11-09 06:32:17,812 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining)
[2024-11-09 06:32:17,812 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining)
[2024-11-09 06:32:17,812 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining)
[2024-11-09 06:32:17,813 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining)
[2024-11-09 06:32:17,813 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining)
[2024-11-09 06:32:17,813 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining)
[2024-11-09 06:32:17,813 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining)
[2024-11-09 06:32:17,813 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining)
[2024-11-09 06:32:17,813 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining)
[2024-11-09 06:32:17,814 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining)
[2024-11-09 06:32:17,814 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining)
[2024-11-09 06:32:17,814 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining)
[2024-11-09 06:32:17,814 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-09 06:32:17,815 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-09 06:32:17,820 WARN  L244   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-09 06:32:17,823 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-09 06:32:17,935 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-09 06:32:17,957 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2189 places, 2197 transitions, 4404 flow
[2024-11-09 06:32:18,913 INFO  L124   PetriNetUnfolderBase]: 15/2217 cut-off events.
[2024-11-09 06:32:18,914 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-09 06:32:18,925 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2225 conditions, 2217 events. 15/2217 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 771 event pairs, 0 based on Foata normal form. 0/2175 useless extension candidates. Maximal degree in co-relation 2088. Up to 6 conditions per place. 
[2024-11-09 06:32:18,925 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2189 places, 2197 transitions, 4404 flow
[2024-11-09 06:32:18,939 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2189 places, 2197 transitions, 4404 flow
[2024-11-09 06:32:18,943 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 06:32:18,944 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;@6cfc43fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 06:32:18,945 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 37 error locations.
[2024-11-09 06:32:19,583 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-09 06:32:19,583 INFO  L124   PetriNetUnfolderBase]: 2/1968 cut-off events.
[2024-11-09 06:32:19,583 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-09 06:32:19,584 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-09 06:32:19,585 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-09 06:32:19,585 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-09 06:32:19,586 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:32:19,586 INFO  L85        PathProgramCache]: Analyzing trace with hash 797637490, now seen corresponding path program 1 times
[2024-11-09 06:32:19,587 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 06:32:19,588 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999674631]
[2024-11-09 06:32:19,589 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:32:19,591 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 06:32:20,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:32:21,784 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 06:32:21,785 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 06:32:21,785 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999674631]
[2024-11-09 06:32:21,785 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999674631] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 06:32:21,786 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 06:32:21,787 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 06:32:21,787 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650319628]
[2024-11-09 06:32:21,790 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 06:32:21,792 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 06:32:21,795 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 06:32:21,796 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 06:32:21,797 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 06:32:21,822 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2159 out of 2197
[2024-11-09 06:32:21,830 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2189 places, 2197 transitions, 4404 flow. Second operand  has 3 states, 3 states have (on average 2160.3333333333335) internal successors, (6481), 3 states have internal predecessors, (6481), 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)
[2024-11-09 06:32:21,831 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-09 06:32:21,831 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2159 of 2197
[2024-11-09 06:32:21,831 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-09 06:32:24,433 INFO  L124   PetriNetUnfolderBase]: 443/5836 cut-off events.
[2024-11-09 06:32:24,434 INFO  L125   PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES.
[2024-11-09 06:32:24,457 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 6602 conditions, 5836 events. 443/5836 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 35241 event pairs, 128 based on Foata normal form. 395/5772 useless extension candidates. Maximal degree in co-relation 4319. Up to 356 conditions per place. 
[2024-11-09 06:32:24,481 INFO  L140   encePairwiseOnDemand]: 2179/2197 looper letters, 47 selfloop transitions, 6 changer transitions 0/2207 dead transitions.
[2024-11-09 06:32:24,482 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2181 places, 2207 transitions, 4535 flow
[2024-11-09 06:32:24,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 06:32:24,483 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-09 06:32:24,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6552 transitions.
[2024-11-09 06:32:24,500 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9940828402366864
[2024-11-09 06:32:24,500 INFO  L175             Difference]: Start difference. First operand has 2189 places, 2197 transitions, 4404 flow. Second operand 3 states and 6552 transitions.
[2024-11-09 06:32:24,501 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2181 places, 2207 transitions, 4535 flow
[2024-11-09 06:32:24,516 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2181 places, 2207 transitions, 4535 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-09 06:32:24,552 INFO  L231             Difference]: Finished difference. Result has 2183 places, 2188 transitions, 4426 flow
[2024-11-09 06:32:24,556 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2197, PETRI_DIFFERENCE_MINUEND_FLOW=4374, PETRI_DIFFERENCE_MINUEND_PLACES=2179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4426, PETRI_PLACES=2183, PETRI_TRANSITIONS=2188}
[2024-11-09 06:32:24,557 INFO  L277   CegarLoopForPetriNet]: 2189 programPoint places, -6 predicate places.
[2024-11-09 06:32:24,557 INFO  L471      AbstractCegarLoop]: Abstraction has has 2183 places, 2188 transitions, 4426 flow
[2024-11-09 06:32:24,561 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2160.3333333333335) internal successors, (6481), 3 states have internal predecessors, (6481), 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)
[2024-11-09 06:32:24,562 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-09 06:32:24,563 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-09 06:32:24,563 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-09 06:32:24,563 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-09 06:32:24,564 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:32:24,564 INFO  L85        PathProgramCache]: Analyzing trace with hash 1727692471, now seen corresponding path program 1 times
[2024-11-09 06:32:24,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 06:32:24,565 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202138709]
[2024-11-09 06:32:24,565 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:32:24,566 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 06:32:25,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:32:26,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 06:32:26,815 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 06:32:26,815 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202138709]
[2024-11-09 06:32:26,815 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202138709] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 06:32:26,815 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 06:32:26,816 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 06:32:26,816 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59906601]
[2024-11-09 06:32:26,817 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 06:32:26,819 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 06:32:26,822 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 06:32:26,822 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 06:32:26,823 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 06:32:26,849 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2157 out of 2197
[2024-11-09 06:32:26,858 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2183 places, 2188 transitions, 4426 flow. Second operand  has 3 states, 3 states have (on average 2159.0) internal successors, (6477), 3 states have internal predecessors, (6477), 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)
[2024-11-09 06:32:26,858 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-09 06:32:26,858 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2157 of 2197
[2024-11-09 06:32:26,859 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-09 06:32:29,761 INFO  L124   PetriNetUnfolderBase]: 658/6672 cut-off events.
[2024-11-09 06:32:29,761 INFO  L125   PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES.
[2024-11-09 06:32:29,790 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 7926 conditions, 6672 events. 658/6672 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 44699 event pairs, 306 based on Foata normal form. 0/6123 useless extension candidates. Maximal degree in co-relation 5607. Up to 972 conditions per place. 
[2024-11-09 06:32:29,834 INFO  L140   encePairwiseOnDemand]: 2189/2197 looper letters, 37 selfloop transitions, 7 changer transitions 0/2202 dead transitions.
[2024-11-09 06:32:29,835 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2185 places, 2202 transitions, 4547 flow
[2024-11-09 06:32:29,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 06:32:29,836 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-09 06:32:29,847 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6516 transitions.
[2024-11-09 06:32:29,852 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9886208466090123
[2024-11-09 06:32:29,854 INFO  L175             Difference]: Start difference. First operand has 2183 places, 2188 transitions, 4426 flow. Second operand 3 states and 6516 transitions.
[2024-11-09 06:32:29,854 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2185 places, 2202 transitions, 4547 flow
[2024-11-09 06:32:29,873 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2183 places, 2202 transitions, 4535 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-09 06:32:29,907 INFO  L231             Difference]: Finished difference. Result has 2185 places, 2194 transitions, 4468 flow
[2024-11-09 06:32:29,911 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2197, PETRI_DIFFERENCE_MINUEND_FLOW=4414, PETRI_DIFFERENCE_MINUEND_PLACES=2181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4468, PETRI_PLACES=2185, PETRI_TRANSITIONS=2194}
[2024-11-09 06:32:29,912 INFO  L277   CegarLoopForPetriNet]: 2189 programPoint places, -4 predicate places.
[2024-11-09 06:32:29,912 INFO  L471      AbstractCegarLoop]: Abstraction has has 2185 places, 2194 transitions, 4468 flow
[2024-11-09 06:32:29,916 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2159.0) internal successors, (6477), 3 states have internal predecessors, (6477), 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)
[2024-11-09 06:32:29,916 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-09 06:32:29,917 INFO  L204   CegarLoopForPetriNet]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 06:32:29,917 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-09 06:32:29,918 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-09 06:32:29,918 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:32:29,919 INFO  L85        PathProgramCache]: Analyzing trace with hash -745515062, now seen corresponding path program 1 times
[2024-11-09 06:32:29,919 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 06:32:29,919 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529113821]
[2024-11-09 06:32:29,920 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:32:29,920 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 06:32:32,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-09 06:32:32,082 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-09 06:32:33,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-09 06:32:35,138 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-09 06:32:35,138 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-09 06:32:35,138 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining)
[2024-11-09 06:32:35,139 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining)
[2024-11-09 06:32:35,139 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining)
[2024-11-09 06:32:35,139 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining)
[2024-11-09 06:32:35,139 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining)
[2024-11-09 06:32:35,140 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining)
[2024-11-09 06:32:35,140 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining)
[2024-11-09 06:32:35,140 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining)
[2024-11-09 06:32:35,140 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining)
[2024-11-09 06:32:35,140 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining)
[2024-11-09 06:32:35,141 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining)
[2024-11-09 06:32:35,141 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining)
[2024-11-09 06:32:35,141 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining)
[2024-11-09 06:32:35,141 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining)
[2024-11-09 06:32:35,142 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining)
[2024-11-09 06:32:35,142 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining)
[2024-11-09 06:32:35,142 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining)
[2024-11-09 06:32:35,142 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining)
[2024-11-09 06:32:35,142 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining)
[2024-11-09 06:32:35,142 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining)
[2024-11-09 06:32:35,143 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining)
[2024-11-09 06:32:35,143 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining)
[2024-11-09 06:32:35,143 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining)
[2024-11-09 06:32:35,143 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining)
[2024-11-09 06:32:35,143 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining)
[2024-11-09 06:32:35,144 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining)
[2024-11-09 06:32:35,144 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining)
[2024-11-09 06:32:35,144 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining)
[2024-11-09 06:32:35,144 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining)
[2024-11-09 06:32:35,144 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining)
[2024-11-09 06:32:35,144 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining)
[2024-11-09 06:32:35,145 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining)
[2024-11-09 06:32:35,145 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining)
[2024-11-09 06:32:35,145 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining)
[2024-11-09 06:32:35,145 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining)
[2024-11-09 06:32:35,145 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining)
[2024-11-09 06:32:35,146 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining)
[2024-11-09 06:32:35,146 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-09 06:32:35,146 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-09 06:32:35,147 WARN  L244   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-09 06:32:35,147 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-09 06:32:35,250 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-09 06:32:35,272 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2304 places, 2316 transitions, 4650 flow
[2024-11-09 06:32:36,529 INFO  L124   PetriNetUnfolderBase]: 22/2347 cut-off events.
[2024-11-09 06:32:36,529 INFO  L125   PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-11-09 06:32:36,536 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2360 conditions, 2347 events. 22/2347 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1502 event pairs, 0 based on Foata normal form. 0/2285 useless extension candidates. Maximal degree in co-relation 2221. Up to 8 conditions per place. 
[2024-11-09 06:32:36,537 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2304 places, 2316 transitions, 4650 flow
[2024-11-09 06:32:36,550 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2304 places, 2316 transitions, 4650 flow
[2024-11-09 06:32:36,552 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 06:32:36,552 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;@6cfc43fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 06:32:36,553 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 49 error locations.
[2024-11-09 06:32:37,048 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-09 06:32:37,049 INFO  L124   PetriNetUnfolderBase]: 2/1968 cut-off events.
[2024-11-09 06:32:37,049 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-09 06:32:37,049 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-09 06:32:37,050 INFO  L204   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-09 06:32:37,051 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] ===
[2024-11-09 06:32:37,051 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:32:37,052 INFO  L85        PathProgramCache]: Analyzing trace with hash 1768923848, now seen corresponding path program 1 times
[2024-11-09 06:32:37,052 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 06:32:37,052 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953669279]
[2024-11-09 06:32:37,052 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:32:37,053 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 06:32:37,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:32:38,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 06:32:38,635 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 06:32:38,635 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953669279]
[2024-11-09 06:32:38,635 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953669279] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 06:32:38,635 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 06:32:38,635 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 06:32:38,636 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386527983]
[2024-11-09 06:32:38,636 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 06:32:38,638 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 06:32:38,640 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 06:32:38,641 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 06:32:38,641 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 06:32:38,676 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2260 out of 2316
[2024-11-09 06:32:38,686 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2304 places, 2316 transitions, 4650 flow. Second operand  has 3 states, 3 states have (on average 2261.3333333333335) internal successors, (6784), 3 states have internal predecessors, (6784), 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)
[2024-11-09 06:32:38,686 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-09 06:32:38,686 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2260 of 2316
[2024-11-09 06:32:38,686 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand