./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 3289d67d
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-1.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 7e58d7f1f699ed489e778ac486d67f22936f81ae8faf9ccd7ef1f41eb68480e6
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m
[2024-11-16 23:14:19,463 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-16 23:14:19,570 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-16 23:14:19,576 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-16 23:14:19,578 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-16 23:14:19,605 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-16 23:14:19,606 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-16 23:14:19,606 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-16 23:14:19,608 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-16 23:14:19,609 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-16 23:14:19,610 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-16 23:14:19,610 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-16 23:14:19,610 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-16 23:14:19,612 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-16 23:14:19,613 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-16 23:14:19,613 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-16 23:14:19,613 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-16 23:14:19,614 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-16 23:14:19,614 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-16 23:14:19,614 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-16 23:14:19,614 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-16 23:14:19,618 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-16 23:14:19,619 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-11-16 23:14:19,619 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-16 23:14:19,619 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-16 23:14:19,619 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-16 23:14:19,620 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-16 23:14:19,620 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-16 23:14:19,620 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-16 23:14:19,620 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-16 23:14:19,621 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-16 23:14:19,621 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-16 23:14:19,621 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-16 23:14:19,621 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-16 23:14:19,621 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-16 23:14:19,622 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-16 23:14:19,622 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-16 23:14:19,623 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-16 23:14:19,624 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-16 23:14:19,624 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-16 23:14:19,624 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-16 23:14:19,625 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 -> 7e58d7f1f699ed489e778ac486d67f22936f81ae8faf9ccd7ef1f41eb68480e6
[2024-11-16 23:14:19,879 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-16 23:14:19,902 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-16 23:14:19,906 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-16 23:14:19,907 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-16 23:14:19,907 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-16 23:14:19,909 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i
[2024-11-16 23:14:21,365 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-16 23:14:21,610 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-16 23:14:21,611 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i
[2024-11-16 23:14:21,630 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d0aed77/0530fcda4c8f4877886f64a3e640d0d7/FLAGc59647c0f
[2024-11-16 23:14:21,646 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6d0aed77/0530fcda4c8f4877886f64a3e640d0d7
[2024-11-16 23:14:21,649 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-16 23:14:21,651 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-16 23:14:21,655 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-16 23:14:21,655 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-16 23:14:21,660 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-16 23:14:21,663 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:14:21" (1/1) ...
[2024-11-16 23:14:21,664 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48580ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:21, skipping insertion in model container
[2024-11-16 23:14:21,665 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:14:21" (1/1) ...
[2024-11-16 23:14:21,718 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-16 23:14:22,167 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-16 23:14:22,262 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-16 23:14:22,313 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-16 23:14:22,370 INFO  L204         MainTranslator]: Completed translation
[2024-11-16 23:14:22,371 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22 WrapperNode
[2024-11-16 23:14:22,371 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-16 23:14:22,372 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-16 23:14:22,373 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-16 23:14:22,373 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-16 23:14:22,381 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,425 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,485 INFO  L138                Inliner]: procedures = 171, calls = 36, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 2090
[2024-11-16 23:14:22,486 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-16 23:14:22,487 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-16 23:14:22,487 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-16 23:14:22,488 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-16 23:14:22,501 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,501 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,516 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,516 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,554 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,566 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,580 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,591 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,607 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-16 23:14:22,610 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-11-16 23:14:22,610 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2024-11-16 23:14:22,610 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2024-11-16 23:14:22,611 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (1/1) ...
[2024-11-16 23:14:22,617 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-16 23:14:22,629 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-16 23:14:22,648 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)
[2024-11-16 23:14:22,651 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
[2024-11-16 23:14:22,706 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2024-11-16 23:14:22,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2024-11-16 23:14:22,707 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-16 23:14:22,707 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-16 23:14:22,707 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-16 23:14:22,707 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-16 23:14:22,708 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-16 23:14:22,708 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-16 23:14:22,709 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-16 23:14:22,709 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-16 23:14:22,711 WARN  L225             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-16 23:14:22,843 INFO  L256             CfgBuilder]: Building ICFG
[2024-11-16 23:14:22,845 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-16 23:14:24,490 INFO  L303             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-16 23:14:24,491 INFO  L307             CfgBuilder]: Performing block encoding
[2024-11-16 23:14:24,660 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-16 23:14:24,660 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-16 23:14:24,660 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:14:24 BoogieIcfgContainer
[2024-11-16 23:14:24,660 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-11-16 23:14:24,663 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-16 23:14:24,663 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-16 23:14:24,666 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-16 23:14:24,667 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:14:21" (1/3) ...
[2024-11-16 23:14:24,668 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc80cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:14:24, skipping insertion in model container
[2024-11-16 23:14:24,668 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:14:22" (2/3) ...
[2024-11-16 23:14:24,669 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc80cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:14:24, skipping insertion in model container
[2024-11-16 23:14:24,669 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:14:24" (3/3) ...
[2024-11-16 23:14:24,671 INFO  L112   eAbstractionObserver]: Analyzing ICFG 25_stack_longest-1.i
[2024-11-16 23:14:24,687 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-16 23:14:24,687 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2024-11-16 23:14:24,687 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-16 23:14:24,806 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-16 23:14:24,884 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2076 places, 2080 transitions, 4164 flow
[2024-11-16 23:14:25,843 INFO  L124   PetriNetUnfolderBase]: 8/2090 cut-off events.
[2024-11-16 23:14:25,844 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-16 23:14:25,853 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2094 conditions, 2090 events. 8/2090 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 197 event pairs, 0 based on Foata normal form. 0/2068 useless extension candidates. Maximal degree in co-relation 1957. Up to 4 conditions per place. 
[2024-11-16 23:14:25,853 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2076 places, 2080 transitions, 4164 flow
[2024-11-16 23:14:25,872 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2076 places, 2080 transitions, 4164 flow
[2024-11-16 23:14:25,881 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-16 23:14:25,888 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;@485a307e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-16 23:14:25,889 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 25 error locations.
[2024-11-16 23:14:26,462 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-16 23:14:26,462 INFO  L124   PetriNetUnfolderBase]: 2/1970 cut-off events.
[2024-11-16 23:14:26,462 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-16 23:14:26,462 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-16 23:14:26,465 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, 1]
[2024-11-16 23:14:26,466 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-16 23:14:26,471 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 23:14:26,471 INFO  L85        PathProgramCache]: Analyzing trace with hash 740294949, now seen corresponding path program 1 times
[2024-11-16 23:14:26,480 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 23:14:26,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389117966]
[2024-11-16 23:14:26,482 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 23:14:26,483 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 23:14:27,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 23:14:30,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 23:14:30,124 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 23:14:30,125 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389117966]
[2024-11-16 23:14:30,125 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389117966] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-16 23:14:30,126 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-16 23:14:30,126 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-16 23:14:30,128 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420800508]
[2024-11-16 23:14:30,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-16 23:14:30,145 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-16 23:14:30,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-16 23:14:30,187 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-16 23:14:30,187 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-16 23:14:30,224 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2060 out of 2080
[2024-11-16 23:14:30,239 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2076 places, 2080 transitions, 4164 flow. Second operand  has 3 states, 3 states have (on average 2061.3333333333335) internal successors, (6184), 3 states have internal predecessors, (6184), 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)
[2024-11-16 23:14:30,240 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-16 23:14:30,240 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2060 of 2080
[2024-11-16 23:14:30,241 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-16 23:14:31,108 INFO  L124   PetriNetUnfolderBase]: 6/2166 cut-off events.
[2024-11-16 23:14:31,109 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-16 23:14:31,110 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2192 conditions, 2166 events. 6/2166 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 474 event pairs, 0 based on Foata normal form. 43/2186 useless extension candidates. Maximal degree in co-relation 232. Up to 12 conditions per place. 
[2024-11-16 23:14:31,115 INFO  L140   encePairwiseOnDemand]: 2071/2080 looper letters, 19 selfloop transitions, 2 changer transitions 0/2077 dead transitions.
[2024-11-16 23:14:31,116 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2070 places, 2077 transitions, 4200 flow
[2024-11-16 23:14:31,117 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-16 23:14:31,120 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-16 23:14:31,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6214 transitions.
[2024-11-16 23:14:31,146 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9958333333333333
[2024-11-16 23:14:31,148 INFO  L175             Difference]: Start difference. First operand has 2076 places, 2080 transitions, 4164 flow. Second operand 3 states and 6214 transitions.
[2024-11-16 23:14:31,149 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2070 places, 2077 transitions, 4200 flow
[2024-11-16 23:14:31,173 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2070 places, 2077 transitions, 4200 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-16 23:14:31,309 INFO  L231             Difference]: Finished difference. Result has 2070 places, 2069 transitions, 4146 flow
[2024-11-16 23:14:31,314 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2080, PETRI_DIFFERENCE_MINUEND_FLOW=4142, PETRI_DIFFERENCE_MINUEND_PLACES=2068, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2069, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2067, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4146, PETRI_PLACES=2070, PETRI_TRANSITIONS=2069}
[2024-11-16 23:14:31,317 INFO  L277   CegarLoopForPetriNet]: 2076 programPoint places, -6 predicate places.
[2024-11-16 23:14:31,320 INFO  L471      AbstractCegarLoop]: Abstraction has has 2070 places, 2069 transitions, 4146 flow
[2024-11-16 23:14:31,324 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2061.3333333333335) internal successors, (6184), 3 states have internal predecessors, (6184), 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)
[2024-11-16 23:14:31,324 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-16 23:14:31,325 INFO  L204   CegarLoopForPetriNet]: trace histogram [2, 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, 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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]
[2024-11-16 23:14:31,325 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-16 23:14:31,326 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-16 23:14:31,327 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 23:14:31,328 INFO  L85        PathProgramCache]: Analyzing trace with hash -1257296548, now seen corresponding path program 1 times
[2024-11-16 23:14:31,328 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 23:14:31,328 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361349237]
[2024-11-16 23:14:31,329 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 23:14:31,329 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 23:14:33,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-16 23:14:33,537 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-16 23:14:35,260 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-16 23:14:36,568 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-16 23:14:36,569 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-16 23:14:36,571 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining)
[2024-11-16 23:14:36,573 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining)
[2024-11-16 23:14:36,573 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining)
[2024-11-16 23:14:36,573 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining)
[2024-11-16 23:14:36,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining)
[2024-11-16 23:14:36,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining)
[2024-11-16 23:14:36,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining)
[2024-11-16 23:14:36,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining)
[2024-11-16 23:14:36,574 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining)
[2024-11-16 23:14:36,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining)
[2024-11-16 23:14:36,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining)
[2024-11-16 23:14:36,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining)
[2024-11-16 23:14:36,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining)
[2024-11-16 23:14:36,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining)
[2024-11-16 23:14:36,575 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining)
[2024-11-16 23:14:36,576 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining)
[2024-11-16 23:14:36,576 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining)
[2024-11-16 23:14:36,576 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining)
[2024-11-16 23:14:36,577 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining)
[2024-11-16 23:14:36,578 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining)
[2024-11-16 23:14:36,578 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining)
[2024-11-16 23:14:36,578 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining)
[2024-11-16 23:14:36,579 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining)
[2024-11-16 23:14:36,579 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining)
[2024-11-16 23:14:36,579 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining)
[2024-11-16 23:14:36,580 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-16 23:14:36,580 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-16 23:14:36,583 WARN  L244   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-16 23:14:36,587 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-16 23:14:36,795 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-16 23:14:36,815 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2192 places, 2200 transitions, 4410 flow
[2024-11-16 23:14:37,673 INFO  L124   PetriNetUnfolderBase]: 15/2222 cut-off events.
[2024-11-16 23:14:37,674 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-16 23:14:37,683 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2230 conditions, 2222 events. 15/2222 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 786 event pairs, 0 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 2091. Up to 6 conditions per place. 
[2024-11-16 23:14:37,683 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2192 places, 2200 transitions, 4410 flow
[2024-11-16 23:14:37,699 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2192 places, 2200 transitions, 4410 flow
[2024-11-16 23:14:37,703 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-16 23:14:37,704 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;@485a307e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-16 23:14:37,705 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 37 error locations.
[2024-11-16 23:14:38,283 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-16 23:14:38,283 INFO  L124   PetriNetUnfolderBase]: 2/1970 cut-off events.
[2024-11-16 23:14:38,284 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-16 23:14:38,284 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-16 23:14:38,285 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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[2024-11-16 23:14:38,285 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-16 23:14:38,286 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 23:14:38,287 INFO  L85        PathProgramCache]: Analyzing trace with hash -2037322043, now seen corresponding path program 1 times
[2024-11-16 23:14:38,287 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 23:14:38,288 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528874529]
[2024-11-16 23:14:38,288 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 23:14:38,289 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 23:14:39,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 23:14:40,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 23:14:40,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 23:14:40,724 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528874529]
[2024-11-16 23:14:40,724 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528874529] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-16 23:14:40,725 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-16 23:14:40,726 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-16 23:14:40,726 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94712574]
[2024-11-16 23:14:40,728 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-16 23:14:40,731 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-16 23:14:40,733 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-16 23:14:40,733 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-16 23:14:40,733 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-16 23:14:40,760 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2162 out of 2200
[2024-11-16 23:14:40,768 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2192 places, 2200 transitions, 4410 flow. Second operand  has 3 states, 3 states have (on average 2163.3333333333335) internal successors, (6490), 3 states have internal predecessors, (6490), 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)
[2024-11-16 23:14:40,768 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-16 23:14:40,769 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2162 of 2200
[2024-11-16 23:14:40,769 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-16 23:14:43,345 INFO  L124   PetriNetUnfolderBase]: 443/5877 cut-off events.
[2024-11-16 23:14:43,346 INFO  L125   PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES.
[2024-11-16 23:14:43,369 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 6643 conditions, 5877 events. 443/5877 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 35782 event pairs, 128 based on Foata normal form. 784/6202 useless extension candidates. Maximal degree in co-relation 4356. Up to 356 conditions per place. 
[2024-11-16 23:14:43,393 INFO  L140   encePairwiseOnDemand]: 2182/2200 looper letters, 47 selfloop transitions, 6 changer transitions 0/2210 dead transitions.
[2024-11-16 23:14:43,393 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2184 places, 2210 transitions, 4541 flow
[2024-11-16 23:14:43,394 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-16 23:14:43,394 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-16 23:14:43,405 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6561 transitions.
[2024-11-16 23:14:43,408 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9940909090909091
[2024-11-16 23:14:43,408 INFO  L175             Difference]: Start difference. First operand has 2192 places, 2200 transitions, 4410 flow. Second operand 3 states and 6561 transitions.
[2024-11-16 23:14:43,409 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2184 places, 2210 transitions, 4541 flow
[2024-11-16 23:14:43,422 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2184 places, 2210 transitions, 4541 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-16 23:14:43,452 INFO  L231             Difference]: Finished difference. Result has 2186 places, 2191 transitions, 4432 flow
[2024-11-16 23:14:43,455 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2200, PETRI_DIFFERENCE_MINUEND_FLOW=4380, PETRI_DIFFERENCE_MINUEND_PLACES=2182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4432, PETRI_PLACES=2186, PETRI_TRANSITIONS=2191}
[2024-11-16 23:14:43,456 INFO  L277   CegarLoopForPetriNet]: 2192 programPoint places, -6 predicate places.
[2024-11-16 23:14:43,456 INFO  L471      AbstractCegarLoop]: Abstraction has has 2186 places, 2191 transitions, 4432 flow
[2024-11-16 23:14:43,461 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2163.3333333333335) internal successors, (6490), 3 states have internal predecessors, (6490), 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)
[2024-11-16 23:14:43,461 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-16 23:14:43,462 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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[2024-11-16 23:14:43,463 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-16 23:14:43,464 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err10ASSERT_VIOLATIONDATA_RACE === [thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-16 23:14:43,464 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 23:14:43,465 INFO  L85        PathProgramCache]: Analyzing trace with hash -61776989, now seen corresponding path program 1 times
[2024-11-16 23:14:43,465 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 23:14:43,466 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225067885]
[2024-11-16 23:14:43,466 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 23:14:43,467 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 23:14:44,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 23:14:45,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 23:14:45,653 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 23:14:45,654 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225067885]
[2024-11-16 23:14:45,654 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225067885] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-16 23:14:45,654 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-16 23:14:45,654 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-16 23:14:45,655 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27147084]
[2024-11-16 23:14:45,655 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-16 23:14:45,657 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-16 23:14:45,669 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-16 23:14:45,670 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-16 23:14:45,670 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-16 23:14:45,718 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2160 out of 2200
[2024-11-16 23:14:45,736 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2186 places, 2191 transitions, 4432 flow. Second operand  has 3 states, 3 states have (on average 2162.0) internal successors, (6486), 3 states have internal predecessors, (6486), 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)
[2024-11-16 23:14:45,736 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-16 23:14:45,736 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2160 of 2200
[2024-11-16 23:14:45,736 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-16 23:14:48,332 INFO  L124   PetriNetUnfolderBase]: 658/6728 cut-off events.
[2024-11-16 23:14:48,333 INFO  L125   PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES.
[2024-11-16 23:14:48,358 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 7982 conditions, 6728 events. 658/6728 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 45321 event pairs, 306 based on Foata normal form. 0/6179 useless extension candidates. Maximal degree in co-relation 5659. Up to 972 conditions per place. 
[2024-11-16 23:14:48,391 INFO  L140   encePairwiseOnDemand]: 2192/2200 looper letters, 37 selfloop transitions, 7 changer transitions 0/2205 dead transitions.
[2024-11-16 23:14:48,391 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2188 places, 2205 transitions, 4553 flow
[2024-11-16 23:14:48,392 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-16 23:14:48,392 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-16 23:14:48,402 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6525 transitions.
[2024-11-16 23:14:48,405 INFO  L512   CegarLoopForPetriNet]: DFA transition density 0.9886363636363636
[2024-11-16 23:14:48,407 INFO  L175             Difference]: Start difference. First operand has 2186 places, 2191 transitions, 4432 flow. Second operand 3 states and 6525 transitions.
[2024-11-16 23:14:48,407 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 2188 places, 2205 transitions, 4553 flow
[2024-11-16 23:14:48,425 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 2186 places, 2205 transitions, 4541 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-16 23:14:48,450 INFO  L231             Difference]: Finished difference. Result has 2188 places, 2197 transitions, 4474 flow
[2024-11-16 23:14:48,454 INFO  L260   CegarLoopForPetriNet]: {PETRI_ALPHABET=2200, PETRI_DIFFERENCE_MINUEND_FLOW=4420, PETRI_DIFFERENCE_MINUEND_PLACES=2184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4474, PETRI_PLACES=2188, PETRI_TRANSITIONS=2197}
[2024-11-16 23:14:48,455 INFO  L277   CegarLoopForPetriNet]: 2192 programPoint places, -4 predicate places.
[2024-11-16 23:14:48,455 INFO  L471      AbstractCegarLoop]: Abstraction has has 2188 places, 2197 transitions, 4474 flow
[2024-11-16 23:14:48,459 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2162.0) internal successors, (6486), 3 states have internal predecessors, (6486), 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)
[2024-11-16 23:14:48,459 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-16 23:14:48,460 INFO  L204   CegarLoopForPetriNet]: trace histogram [3, 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, 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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, 1]
[2024-11-16 23:14:48,461 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-16 23:14:48,461 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-16 23:14:48,461 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 23:14:48,462 INFO  L85        PathProgramCache]: Analyzing trace with hash 2079405776, now seen corresponding path program 1 times
[2024-11-16 23:14:48,462 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 23:14:48,462 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950904771]
[2024-11-16 23:14:48,463 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 23:14:48,463 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 23:14:50,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-16 23:14:50,069 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-16 23:14:51,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-16 23:14:51,723 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-16 23:14:51,723 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-16 23:14:51,724 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining)
[2024-11-16 23:14:51,724 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining)
[2024-11-16 23:14:51,724 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining)
[2024-11-16 23:14:51,724 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining)
[2024-11-16 23:14:51,724 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining)
[2024-11-16 23:14:51,724 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining)
[2024-11-16 23:14:51,724 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining)
[2024-11-16 23:14:51,725 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining)
[2024-11-16 23:14:51,725 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining)
[2024-11-16 23:14:51,725 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining)
[2024-11-16 23:14:51,725 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining)
[2024-11-16 23:14:51,725 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining)
[2024-11-16 23:14:51,726 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining)
[2024-11-16 23:14:51,726 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining)
[2024-11-16 23:14:51,726 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining)
[2024-11-16 23:14:51,726 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining)
[2024-11-16 23:14:51,726 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining)
[2024-11-16 23:14:51,726 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining)
[2024-11-16 23:14:51,727 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining)
[2024-11-16 23:14:51,727 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining)
[2024-11-16 23:14:51,727 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining)
[2024-11-16 23:14:51,727 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining)
[2024-11-16 23:14:51,727 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining)
[2024-11-16 23:14:51,728 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining)
[2024-11-16 23:14:51,728 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining)
[2024-11-16 23:14:51,728 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining)
[2024-11-16 23:14:51,728 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining)
[2024-11-16 23:14:51,728 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining)
[2024-11-16 23:14:51,728 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining)
[2024-11-16 23:14:51,729 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining)
[2024-11-16 23:14:51,729 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining)
[2024-11-16 23:14:51,729 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining)
[2024-11-16 23:14:51,729 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining)
[2024-11-16 23:14:51,729 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining)
[2024-11-16 23:14:51,730 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining)
[2024-11-16 23:14:51,730 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining)
[2024-11-16 23:14:51,730 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining)
[2024-11-16 23:14:51,730 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-16 23:14:51,730 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-16 23:14:51,731 WARN  L244   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-16 23:14:51,731 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-16 23:14:51,802 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-16 23:14:51,820 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 2308 places, 2320 transitions, 4658 flow
[2024-11-16 23:14:52,864 INFO  L124   PetriNetUnfolderBase]: 22/2354 cut-off events.
[2024-11-16 23:14:52,864 INFO  L125   PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-11-16 23:14:52,872 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 2354 events. 22/2354 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1519 event pairs, 0 based on Foata normal form. 0/2292 useless extension candidates. Maximal degree in co-relation 2226. Up to 8 conditions per place. 
[2024-11-16 23:14:52,872 INFO  L82        GeneralOperation]: Start removeDead. Operand has 2308 places, 2320 transitions, 4658 flow
[2024-11-16 23:14:52,882 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 2308 places, 2320 transitions, 4658 flow
[2024-11-16 23:14:52,884 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-16 23:14:52,884 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;@485a307e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-16 23:14:52,885 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 49 error locations.
[2024-11-16 23:14:53,491 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-16 23:14:53,492 INFO  L124   PetriNetUnfolderBase]: 2/1970 cut-off events.
[2024-11-16 23:14:53,492 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-16 23:14:53,492 INFO  L196   CegarLoopForPetriNet]: Found error trace
[2024-11-16 23:14:53,493 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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[2024-11-16 23:14:53,493 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] ===
[2024-11-16 23:14:53,494 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 23:14:53,494 INFO  L85        PathProgramCache]: Analyzing trace with hash 819013294, now seen corresponding path program 1 times
[2024-11-16 23:14:53,494 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 23:14:53,494 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654697289]
[2024-11-16 23:14:53,495 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 23:14:53,495 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 23:14:53,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 23:14:55,441 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 23:14:55,442 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 23:14:55,444 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654697289]
[2024-11-16 23:14:55,444 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654697289] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-16 23:14:55,445 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-16 23:14:55,445 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-16 23:14:55,445 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082781604]
[2024-11-16 23:14:55,445 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-16 23:14:55,449 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-16 23:14:55,451 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-16 23:14:55,451 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-16 23:14:55,452 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-16 23:14:55,476 INFO  L467   CegarLoopForPetriNet]: Number of universal loopers: 2264 out of 2320
[2024-11-16 23:14:55,484 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2308 places, 2320 transitions, 4658 flow. Second operand  has 3 states, 3 states have (on average 2265.3333333333335) internal successors, (6796), 3 states have internal predecessors, (6796), 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)
[2024-11-16 23:14:55,484 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-16 23:14:55,484 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 2264 of 2320
[2024-11-16 23:14:55,484 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand