./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 3061b6dc
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-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-19 05:30:29,569 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-19 05:30:29,617 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-19 05:30:29,623 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-19 05:30:29,623 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-19 05:30:29,645 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-19 05:30:29,645 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-19 05:30:29,646 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-19 05:30:29,647 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-19 05:30:29,648 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-19 05:30:29,648 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-19 05:30:29,649 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-19 05:30:29,649 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-19 05:30:29,649 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-19 05:30:29,649 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-19 05:30:29,649 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-19 05:30:29,650 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-19 05:30:29,650 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-19 05:30:29,650 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-19 05:30:29,650 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-19 05:30:29,650 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-19 05:30:29,653 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-19 05:30:29,653 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-11-19 05:30:29,653 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-19 05:30:29,654 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-19 05:30:29,654 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-19 05:30:29,654 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-19 05:30:29,654 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-19 05:30:29,654 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-19 05:30:29,654 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-19 05:30:29,654 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-19 05:30:29,655 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 05:30:29,655 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-19 05:30:29,655 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-19 05:30:29,655 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-19 05:30:29,655 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-19 05:30:29,656 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-19 05:30:29,656 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-19 05:30:29,656 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-19 05:30:29,656 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-19 05:30:29,658 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-19 05:30:29,658 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
[2024-11-19 05:30:29,861 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-19 05:30:29,879 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-19 05:30:29,882 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-19 05:30:29,883 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-19 05:30:29,883 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-19 05:30:29,884 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i
[2024-11-19 05:30:31,156 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-19 05:30:31,386 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-19 05:30:31,387 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i
[2024-11-19 05:30:31,401 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00bda74de/c57e8b6da3f349e48f1dbad1a8f86111/FLAGfea479d54
[2024-11-19 05:30:31,415 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00bda74de/c57e8b6da3f349e48f1dbad1a8f86111
[2024-11-19 05:30:31,417 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-19 05:30:31,419 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-19 05:30:31,422 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-19 05:30:31,422 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-19 05:30:31,426 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-19 05:30:31,427 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:31,428 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6fbd40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31, skipping insertion in model container
[2024-11-19 05:30:31,429 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:31,466 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-19 05:30:31,756 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-19 05:30:31,832 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-19 05:30:31,904 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-19 05:30:31,958 INFO  L204         MainTranslator]: Completed translation
[2024-11-19 05:30:31,958 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31 WrapperNode
[2024-11-19 05:30:31,958 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-19 05:30:31,959 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-19 05:30:31,959 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-19 05:30:31,959 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-19 05:30:31,965 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:31,989 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,047 INFO  L138                Inliner]: procedures = 171, calls = 36, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 2092
[2024-11-19 05:30:32,048 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-19 05:30:32,049 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-19 05:30:32,049 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-19 05:30:32,049 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-19 05:30:32,056 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,057 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,064 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,064 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,103 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,130 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,139 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,144 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,156 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-19 05:30:32,157 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-19 05:30:32,157 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-19 05:30:32,157 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-19 05:30:32,158 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (1/1) ...
[2024-11-19 05:30:32,162 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 05:30:32,172 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 05:30:32,187 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)
[2024-11-19 05:30:32,190 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
[2024-11-19 05:30:32,226 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2024-11-19 05:30:32,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2024-11-19 05:30:32,226 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-19 05:30:32,226 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-19 05:30:32,227 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-19 05:30:32,227 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-19 05:30:32,227 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-19 05:30:32,227 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-19 05:30:32,227 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-19 05:30:32,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-19 05:30:32,228 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-19 05:30:32,345 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-19 05:30:32,347 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-19 05:30:33,751 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-19 05:30:33,752 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-19 05:30:33,851 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-19 05:30:33,851 INFO  L316             CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-19 05:30:33,851 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:30:33 BoogieIcfgContainer
[2024-11-19 05:30:33,851 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-19 05:30:33,855 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-19 05:30:33,856 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-19 05:30:33,858 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-19 05:30:33,858 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:30:31" (1/3) ...
[2024-11-19 05:30:33,859 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d04903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:30:33, skipping insertion in model container
[2024-11-19 05:30:33,859 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:31" (2/3) ...
[2024-11-19 05:30:33,860 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d04903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:30:33, skipping insertion in model container
[2024-11-19 05:30:33,860 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:30:33" (3/3) ...
[2024-11-19 05:30:33,861 INFO  L112   eAbstractionObserver]: Analyzing ICFG 25_stack_longest-2.i
[2024-11-19 05:30:33,895 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-19 05:30:33,895 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2024-11-19 05:30:33,895 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-19 05:30:34,004 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-19 05:30:34,064 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2074 places, 2078 transitions, 4160 flow
[2024-11-19 05:30:34,771 INFO  L124   PetriNetUnfolderBase]: 8/2087 cut-off events.
[2024-11-19 05:30:34,771 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-19 05:30:34,780 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. 
[2024-11-19 05:30:34,780 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2074 places, 2078 transitions, 4160 flow
[2024-11-19 05:30:34,793 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2074 places, 2078 transitions, 4160 flow
[2024-11-19 05:30:34,801 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 05:30:34,807 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;@227d6e90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 05:30:34,807 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 25 error locations.
[2024-11-19 05:30:35,190 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 05:30:35,190 INFO  L124   PetriNetUnfolderBase]: 2/1968 cut-off events.
[2024-11-19 05:30:35,190 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-19 05:30:35,190 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 05:30:35,196 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]
[2024-11-19 05:30:35,196 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-19 05:30:35,203 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 05:30:35,204 INFO  L85        PathProgramCache]: Analyzing trace with hash 1726426589, now seen corresponding path program 1 times
[2024-11-19 05:30:35,210 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 05:30:35,211 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051235760]
[2024-11-19 05:30:35,211 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 05:30:35,211 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 05:30:35,943 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 05:30:37,578 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 05:30:37,579 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 05:30:37,579 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051235760]
[2024-11-19 05:30:37,583 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051235760] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 05:30:37,583 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 05:30:37,584 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 05:30:37,585 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480990297]
[2024-11-19 05:30:37,585 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 05:30:37,597 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 05:30:37,607 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 05:30:37,629 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 05:30:37,630 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 05:30:37,648 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2058 out of 2078
[2024-11-19 05:30:37,657 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)
[2024-11-19 05:30:37,658 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 05:30:37,658 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2058 of 2078
[2024-11-19 05:30:37,659 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 05:30:38,218 INFO  L124   PetriNetUnfolderBase]: 6/2162 cut-off events.
[2024-11-19 05:30:38,218 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-19 05:30:38,221 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. 
[2024-11-19 05:30:38,226 INFO  L140   encePairwiseOnDemand]: 2069/2078 looper letters, 19 selfloop transitions, 2 changer transitions 0/2075 dead transitions.
[2024-11-19 05:30:38,226 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2068 places, 2075 transitions, 4196 flow
[2024-11-19 05:30:38,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-19 05:30:38,229 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-19 05:30:38,244 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6208 transitions.
[2024-11-19 05:30:38,248 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9958293230670516
[2024-11-19 05:30:38,250 INFO  L175             Difference]: Start difference. First operand has 2074 places, 2078 transitions, 4160 flow. Second operand 3 states and 6208 transitions.
[2024-11-19 05:30:38,251 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2068 places, 2075 transitions, 4196 flow
[2024-11-19 05:30:38,295 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2068 places, 2075 transitions, 4196 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-19 05:30:38,322 INFO  L231             Difference]: Finished difference. Result has 2068 places, 2067 transitions, 4142 flow
[2024-11-19 05:30:38,326 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}
[2024-11-19 05:30:38,329 INFO  L277   CegarLoopForPetriNet]: 2074 programPoint places, -6 predicate places.
[2024-11-19 05:30:38,329 INFO  L471      AbstractCegarLoop]: Abstraction has has 2068 places, 2067 transitions, 4142 flow
[2024-11-19 05:30:38,333 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)
[2024-11-19 05:30:38,333 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 05:30:38,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 05:30:38,334 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-19 05:30:38,334 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)] ===
[2024-11-19 05:30:38,335 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 05:30:38,335 INFO  L85        PathProgramCache]: Analyzing trace with hash 782165032, now seen corresponding path program 1 times
[2024-11-19 05:30:38,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 05:30:38,336 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377026832]
[2024-11-19 05:30:38,336 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 05:30:38,336 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 05:30:40,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 05:30:40,020 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-19 05:30:41,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 05:30:42,324 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-19 05:30:42,325 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-19 05:30:42,327 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining)
[2024-11-19 05:30:42,328 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining)
[2024-11-19 05:30:42,329 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining)
[2024-11-19 05:30:42,329 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining)
[2024-11-19 05:30:42,329 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining)
[2024-11-19 05:30:42,329 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining)
[2024-11-19 05:30:42,329 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining)
[2024-11-19 05:30:42,330 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining)
[2024-11-19 05:30:42,330 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining)
[2024-11-19 05:30:42,330 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining)
[2024-11-19 05:30:42,330 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining)
[2024-11-19 05:30:42,330 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining)
[2024-11-19 05:30:42,330 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining)
[2024-11-19 05:30:42,330 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining)
[2024-11-19 05:30:42,330 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining)
[2024-11-19 05:30:42,331 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining)
[2024-11-19 05:30:42,331 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining)
[2024-11-19 05:30:42,331 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining)
[2024-11-19 05:30:42,331 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining)
[2024-11-19 05:30:42,331 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining)
[2024-11-19 05:30:42,331 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining)
[2024-11-19 05:30:42,331 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining)
[2024-11-19 05:30:42,332 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining)
[2024-11-19 05:30:42,332 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining)
[2024-11-19 05:30:42,332 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining)
[2024-11-19 05:30:42,332 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-19 05:30:42,332 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-19 05:30:42,334 WARN  L244   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-19 05:30:42,334 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-19 05:30:42,384 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-19 05:30:42,395 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2189 places, 2197 transitions, 4404 flow
[2024-11-19 05:30:42,973 INFO  L124   PetriNetUnfolderBase]: 15/2217 cut-off events.
[2024-11-19 05:30:42,974 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-19 05:30:42,982 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. 
[2024-11-19 05:30:42,982 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2189 places, 2197 transitions, 4404 flow
[2024-11-19 05:30:43,002 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2189 places, 2197 transitions, 4404 flow
[2024-11-19 05:30:43,005 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 05:30:43,005 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;@227d6e90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 05:30:43,005 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 37 error locations.
[2024-11-19 05:30:43,385 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 05:30:43,386 INFO  L124   PetriNetUnfolderBase]: 2/1968 cut-off events.
[2024-11-19 05:30:43,386 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-19 05:30:43,386 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 05:30:43,387 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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[2024-11-19 05:30:43,387 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-19 05:30:43,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 05:30:43,388 INFO  L85        PathProgramCache]: Analyzing trace with hash 797637490, now seen corresponding path program 1 times
[2024-11-19 05:30:43,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 05:30:43,389 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412981922]
[2024-11-19 05:30:43,389 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 05:30:43,391 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 05:30:43,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 05:30:45,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 05:30:45,116 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 05:30:45,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412981922]
[2024-11-19 05:30:45,116 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412981922] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 05:30:45,117 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 05:30:45,117 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 05:30:45,117 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773434957]
[2024-11-19 05:30:45,119 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 05:30:45,121 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 05:30:45,123 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 05:30:45,124 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 05:30:45,124 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 05:30:45,145 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2159 out of 2197
[2024-11-19 05:30:45,153 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)
[2024-11-19 05:30:45,153 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 05:30:45,153 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2159 of 2197
[2024-11-19 05:30:45,153 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 05:30:47,153 INFO  L124   PetriNetUnfolderBase]: 443/5836 cut-off events.
[2024-11-19 05:30:47,153 INFO  L125   PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES.
[2024-11-19 05:30:47,164 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. 
[2024-11-19 05:30:47,177 INFO  L140   encePairwiseOnDemand]: 2179/2197 looper letters, 47 selfloop transitions, 6 changer transitions 0/2207 dead transitions.
[2024-11-19 05:30:47,178 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2181 places, 2207 transitions, 4535 flow
[2024-11-19 05:30:47,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-19 05:30:47,178 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-19 05:30:47,185 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6552 transitions.
[2024-11-19 05:30:47,187 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9940828402366864
[2024-11-19 05:30:47,187 INFO  L175             Difference]: Start difference. First operand has 2189 places, 2197 transitions, 4404 flow. Second operand 3 states and 6552 transitions.
[2024-11-19 05:30:47,187 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2181 places, 2207 transitions, 4535 flow
[2024-11-19 05:30:47,194 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2181 places, 2207 transitions, 4535 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-19 05:30:47,212 INFO  L231             Difference]: Finished difference. Result has 2183 places, 2188 transitions, 4426 flow
[2024-11-19 05:30:47,215 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}
[2024-11-19 05:30:47,216 INFO  L277   CegarLoopForPetriNet]: 2189 programPoint places, -6 predicate places.
[2024-11-19 05:30:47,216 INFO  L471      AbstractCegarLoop]: Abstraction has has 2183 places, 2188 transitions, 4426 flow
[2024-11-19 05:30:47,219 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)
[2024-11-19 05:30:47,219 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 05:30:47,220 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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[2024-11-19 05:30:47,220 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-19 05:30:47,220 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-19 05:30:47,220 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 05:30:47,221 INFO  L85        PathProgramCache]: Analyzing trace with hash 1727692471, now seen corresponding path program 1 times
[2024-11-19 05:30:47,221 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 05:30:47,221 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965822035]
[2024-11-19 05:30:47,221 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 05:30:47,222 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 05:30:47,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 05:30:48,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 05:30:48,551 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 05:30:48,551 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965822035]
[2024-11-19 05:30:48,551 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965822035] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 05:30:48,551 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 05:30:48,551 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 05:30:48,552 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332817023]
[2024-11-19 05:30:48,552 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 05:30:48,554 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 05:30:48,555 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 05:30:48,556 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 05:30:48,556 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 05:30:48,576 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2157 out of 2197
[2024-11-19 05:30:48,583 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)
[2024-11-19 05:30:48,583 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 05:30:48,583 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2157 of 2197
[2024-11-19 05:30:48,583 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 05:30:50,653 INFO  L124   PetriNetUnfolderBase]: 658/6672 cut-off events.
[2024-11-19 05:30:50,654 INFO  L125   PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES.
[2024-11-19 05:30:50,669 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. 
[2024-11-19 05:30:50,684 INFO  L140   encePairwiseOnDemand]: 2189/2197 looper letters, 37 selfloop transitions, 7 changer transitions 0/2202 dead transitions.
[2024-11-19 05:30:50,685 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2185 places, 2202 transitions, 4547 flow
[2024-11-19 05:30:50,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-19 05:30:50,686 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-19 05:30:50,692 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6516 transitions.
[2024-11-19 05:30:50,694 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9886208466090123
[2024-11-19 05:30:50,694 INFO  L175             Difference]: Start difference. First operand has 2183 places, 2188 transitions, 4426 flow. Second operand 3 states and 6516 transitions.
[2024-11-19 05:30:50,694 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2185 places, 2202 transitions, 4547 flow
[2024-11-19 05:30:50,705 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2183 places, 2202 transitions, 4535 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-19 05:30:50,720 INFO  L231             Difference]: Finished difference. Result has 2185 places, 2194 transitions, 4468 flow
[2024-11-19 05:30:50,722 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}
[2024-11-19 05:30:50,724 INFO  L277   CegarLoopForPetriNet]: 2189 programPoint places, -4 predicate places.
[2024-11-19 05:30:50,724 INFO  L471      AbstractCegarLoop]: Abstraction has has 2185 places, 2194 transitions, 4468 flow
[2024-11-19 05:30:50,728 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)
[2024-11-19 05:30:50,728 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 05:30:50,728 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]
[2024-11-19 05:30:50,729 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-19 05:30:50,729 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)] ===
[2024-11-19 05:30:50,729 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 05:30:50,730 INFO  L85        PathProgramCache]: Analyzing trace with hash -745515062, now seen corresponding path program 1 times
[2024-11-19 05:30:50,730 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 05:30:50,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987930017]
[2024-11-19 05:30:50,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 05:30:50,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 05:30:52,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 05:30:52,107 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-19 05:30:53,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 05:30:53,994 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-19 05:30:53,994 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining)
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining)
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining)
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining)
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining)
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining)
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining)
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining)
[2024-11-19 05:30:53,995 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining)
[2024-11-19 05:30:53,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining)
[2024-11-19 05:30:53,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining)
[2024-11-19 05:30:53,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining)
[2024-11-19 05:30:53,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining)
[2024-11-19 05:30:53,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining)
[2024-11-19 05:30:53,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining)
[2024-11-19 05:30:53,996 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining)
[2024-11-19 05:30:53,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining)
[2024-11-19 05:30:53,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining)
[2024-11-19 05:30:53,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining)
[2024-11-19 05:30:53,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining)
[2024-11-19 05:30:53,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining)
[2024-11-19 05:30:53,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining)
[2024-11-19 05:30:53,997 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining)
[2024-11-19 05:30:53,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining)
[2024-11-19 05:30:53,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining)
[2024-11-19 05:30:53,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining)
[2024-11-19 05:30:53,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining)
[2024-11-19 05:30:53,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining)
[2024-11-19 05:30:53,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining)
[2024-11-19 05:30:53,998 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining)
[2024-11-19 05:30:53,999 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining)
[2024-11-19 05:30:53,999 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining)
[2024-11-19 05:30:53,999 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining)
[2024-11-19 05:30:53,999 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining)
[2024-11-19 05:30:53,999 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining)
[2024-11-19 05:30:53,999 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining)
[2024-11-19 05:30:53,999 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining)
[2024-11-19 05:30:54,000 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-19 05:30:54,000 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-19 05:30:54,000 WARN  L244   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-19 05:30:54,000 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-19 05:30:54,055 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-19 05:30:54,067 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2304 places, 2316 transitions, 4650 flow
[2024-11-19 05:30:54,724 INFO  L124   PetriNetUnfolderBase]: 22/2347 cut-off events.
[2024-11-19 05:30:54,725 INFO  L125   PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-11-19 05:30:54,732 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. 
[2024-11-19 05:30:54,732 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2304 places, 2316 transitions, 4650 flow
[2024-11-19 05:30:54,742 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2304 places, 2316 transitions, 4650 flow
[2024-11-19 05:30:54,742 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 05:30:54,743 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;@227d6e90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 05:30:54,743 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 49 error locations.
[2024-11-19 05:30:55,104 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 05:30:55,104 INFO  L124   PetriNetUnfolderBase]: 2/1968 cut-off events.
[2024-11-19 05:30:55,105 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-19 05:30:55,105 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-19 05:30:55,105 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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[2024-11-19 05:30:55,106 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] ===
[2024-11-19 05:30:55,106 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 05:30:55,106 INFO  L85        PathProgramCache]: Analyzing trace with hash 1768923848, now seen corresponding path program 1 times
[2024-11-19 05:30:55,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 05:30:55,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441219894]
[2024-11-19 05:30:55,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 05:30:55,107 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 05:30:55,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 05:30:56,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 05:30:56,764 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 05:30:56,764 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441219894]
[2024-11-19 05:30:56,764 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441219894] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 05:30:56,764 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 05:30:56,764 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 05:30:56,764 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348908746]
[2024-11-19 05:30:56,765 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 05:30:56,766 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 05:30:56,767 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 05:30:56,768 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 05:30:56,768 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 05:30:56,791 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2260 out of 2316
[2024-11-19 05:30:56,796 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)
[2024-11-19 05:30:56,797 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 05:30:56,797 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2260 of 2316
[2024-11-19 05:30:56,797 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand