./Ultimate.py --spec /mnt/goblint-svcomp/goblint-bench/bench/concrat/properties/no-data-race.prp --file /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const-race-3.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data -tc /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const-race-3.i -s /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 15911312111f4471ab570eace984d97967575c7162cf44ea89e569566fcde5ef
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2023-10-27 12:40:00,262 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-10-27 12:40:00,264 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-10-27 12:40:00,317 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-10-27 12:40:00,317 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-10-27 12:40:00,320 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-10-27 12:40:00,326 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-10-27 12:40:00,327 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-10-27 12:40:00,328 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-10-27 12:40:00,329 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-10-27 12:40:00,330 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-10-27 12:40:00,331 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-10-27 12:40:00,331 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-10-27 12:40:00,346 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-10-27 12:40:00,348 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-10-27 12:40:00,349 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-10-27 12:40:00,351 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-10-27 12:40:00,357 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-10-27 12:40:00,359 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-10-27 12:40:00,367 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-10-27 12:40:00,368 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-10-27 12:40:00,371 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-10-27 12:40:00,372 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-10-27 12:40:00,373 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-10-27 12:40:00,375 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-10-27 12:40:00,379 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-10-27 12:40:00,393 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-10-27 12:40:00,394 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-10-27 12:40:00,395 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-10-27 12:40:00,395 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-10-27 12:40:00,396 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-10-27 12:40:00,396 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-10-27 12:40:00,397 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-10-27 12:40:00,398 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-10-27 12:40:00,399 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-10-27 12:40:00,399 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-10-27 12:40:00,400 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-10-27 12:40:00,400 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-10-27 12:40:00,400 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-10-27 12:40:00,401 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-10-27 12:40:00,401 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-10-27 12:40:00,402 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-10-27 12:40:00,438 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-10-27 12:40:00,438 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-10-27 12:40:00,439 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-10-27 12:40:00,439 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-10-27 12:40:00,439 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-10-27 12:40:00,440 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-10-27 12:40:00,440 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-10-27 12:40:00,440 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-10-27 12:40:00,440 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-10-27 12:40:00,441 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-10-27 12:40:00,441 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-10-27 12:40:00,441 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-10-27 12:40:00,441 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-10-27 12:40:00,442 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-10-27 12:40:00,442 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-10-27 12:40:00,442 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-10-27 12:40:00,442 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-10-27 12:40:00,442 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-10-27 12:40:00,442 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-10-27 12:40:00,443 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-10-27 12:40:00,443 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-10-27 12:40:00,443 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-10-27 12:40:00,443 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-10-27 12:40:00,443 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-10-27 12:40:00,443 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-10-27 12:40:00,443 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-10-27 12:40:00,444 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-10-27 12:40:00,444 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-10-27 12:40:00,444 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-10-27 12:40:00,444 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-10-27 12:40:00,444 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-10-27 12:40:00,445 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-10-27 12:40:00,445 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-10-27 12:40:00,445 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-10-27 12:40:00,445 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-10-27 12:40:00,446 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-10-27 12:40:00,446 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-10-27 12:40:00,446 INFO  L138        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:/mnt/goblint-svcomp/benchexec/tools-pldi/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 -> /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> 15911312111f4471ab570eace984d97967575c7162cf44ea89e569566fcde5ef
[2023-10-27 12:40:00,800 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-10-27 12:40:00,822 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-10-27 12:40:00,824 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-10-27 12:40:00,824 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-10-27 12:40:00,825 INFO  L275        PluginConnector]: CDTParser initialized
[2023-10-27 12:40:00,826 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const-race-3.i
[2023-10-27 12:40:02,447 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-10-27 12:40:02,821 INFO  L351              CDTParser]: Found 1 translation units.
[2023-10-27 12:40:02,828 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const-race-3.i
[2023-10-27 12:40:02,849 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/cd3e91250/53724d00596f49b7bb7f24798bdecf3b/FLAGa49362e68
[2023-10-27 12:40:02,896 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/cd3e91250/53724d00596f49b7bb7f24798bdecf3b
[2023-10-27 12:40:02,899 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-10-27 12:40:02,900 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-10-27 12:40:02,901 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-10-27 12:40:02,901 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-10-27 12:40:02,904 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-10-27 12:40:02,904 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:40:02" (1/1) ...
[2023-10-27 12:40:02,905 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9cbfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:02, skipping insertion in model container
[2023-10-27 12:40:02,905 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:40:02" (1/1) ...
[2023-10-27 12:40:02,911 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-10-27 12:40:02,979 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-10-27 12:40:03,442 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-10-27 12:40:03,462 INFO  L203         MainTranslator]: Completed pre-run
[2023-10-27 12:40:03,536 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-10-27 12:40:03,590 INFO  L208         MainTranslator]: Completed translation
[2023-10-27 12:40:03,605 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03 WrapperNode
[2023-10-27 12:40:03,605 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-10-27 12:40:03,607 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-10-27 12:40:03,607 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-10-27 12:40:03,607 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-10-27 12:40:03,612 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,640 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,675 INFO  L138                Inliner]: procedures = 157, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59
[2023-10-27 12:40:03,676 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-10-27 12:40:03,676 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-10-27 12:40:03,676 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-10-27 12:40:03,677 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-10-27 12:40:03,689 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,705 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,713 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,713 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,726 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,729 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,735 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,739 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,741 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-10-27 12:40:03,745 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-10-27 12:40:03,746 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-10-27 12:40:03,746 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-10-27 12:40:03,747 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (1/1) ...
[2023-10-27 12:40:03,751 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-10-27 12:40:03,768 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-10-27 12:40:03,780 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-10-27 12:40:03,808 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-10-27 12:40:03,827 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-10-27 12:40:03,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-10-27 12:40:03,828 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-10-27 12:40:03,828 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-10-27 12:40:03,828 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-10-27 12:40:03,828 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-10-27 12:40:03,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-10-27 12:40:03,833 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2023-10-27 12:40:03,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2023-10-27 12:40:03,834 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-10-27 12:40:03,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-10-27 12:40:03,835 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-10-27 12:40:04,035 INFO  L235             CfgBuilder]: Building ICFG
[2023-10-27 12:40:04,037 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-10-27 12:40:04,371 INFO  L276             CfgBuilder]: Performing block encoding
[2023-10-27 12:40:04,377 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-10-27 12:40:04,393 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-10-27 12:40:04,396 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:40:04 BoogieIcfgContainer
[2023-10-27 12:40:04,402 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-10-27 12:40:04,404 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-10-27 12:40:04,404 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-10-27 12:40:04,407 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-10-27 12:40:04,411 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:40:02" (1/3) ...
[2023-10-27 12:40:04,411 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522bf6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:40:04, skipping insertion in model container
[2023-10-27 12:40:04,411 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:40:03" (2/3) ...
[2023-10-27 12:40:04,421 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522bf6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:40:04, skipping insertion in model container
[2023-10-27 12:40:04,421 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:40:04" (3/3) ...
[2023-10-27 12:40:04,422 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-array-const-race-3.i
[2023-10-27 12:40:04,430 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-10-27 12:40:04,459 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-10-27 12:40:04,460 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2023-10-27 12:40:04,460 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-10-27 12:40:04,571 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-10-27 12:40:04,636 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 95 places, 93 transitions, 202 flow
[2023-10-27 12:40:04,761 INFO  L130       PetriNetUnfolder]: 8/186 cut-off events.
[2023-10-27 12:40:04,762 INFO  L131       PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2023-10-27 12:40:04,775 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 200 conditions, 186 events. 8/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 510 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 92. Up to 8 conditions per place. 
[2023-10-27 12:40:04,780 INFO  L82        GeneralOperation]: Start removeDead. Operand has 95 places, 93 transitions, 202 flow
[2023-10-27 12:40:04,784 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 94 places, 92 transitions, 198 flow
[2023-10-27 12:40:04,787 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-27 12:40:04,802 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 92 transitions, 198 flow
[2023-10-27 12:40:04,808 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 92 transitions, 198 flow
[2023-10-27 12:40:04,812 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 94 places, 92 transitions, 198 flow
[2023-10-27 12:40:04,919 INFO  L130       PetriNetUnfolder]: 8/186 cut-off events.
[2023-10-27 12:40:04,919 INFO  L131       PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2023-10-27 12:40:04,920 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 200 conditions, 186 events. 8/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 510 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 92. Up to 8 conditions per place. 
[2023-10-27 12:40:04,924 INFO  L119        LiptonReduction]: Number of co-enabled transitions 2352
[2023-10-27 12:40:07,268 INFO  L134        LiptonReduction]: Checked pairs total: 5656
[2023-10-27 12:40:07,268 INFO  L136        LiptonReduction]: Total number of compositions: 66
[2023-10-27 12:40:07,279 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-27 12:40:07,297 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4a53a6af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-27 12:40:07,298 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2023-10-27 12:40:07,307 INFO  L130       PetriNetUnfolder]: 0/11 cut-off events.
[2023-10-27 12:40:07,307 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-27 12:40:07,307 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:07,308 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-10-27 12:40:07,308 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-10-27 12:40:07,312 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:07,329 INFO  L85        PathProgramCache]: Analyzing trace with hash 286880126, now seen corresponding path program 1 times
[2023-10-27 12:40:07,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:07,342 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808319765]
[2023-10-27 12:40:07,343 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:07,343 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:07,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:07,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:40:07,743 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:07,743 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808319765]
[2023-10-27 12:40:07,744 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808319765] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:07,744 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:07,745 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:40:07,746 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633427270]
[2023-10-27 12:40:07,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:07,774 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:07,774 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:07,803 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:07,810 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:07,854 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 84 out of 159
[2023-10-27 12:40:07,858 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 74 flow. Second operand  has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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)
[2023-10-27 12:40:07,858 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:07,858 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 159
[2023-10-27 12:40:07,859 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:08,070 INFO  L130       PetriNetUnfolder]: 282/645 cut-off events.
[2023-10-27 12:40:08,071 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2023-10-27 12:40:08,074 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 645 events. 282/645 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3312 event pairs, 117 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 1049. Up to 511 conditions per place. 
[2023-10-27 12:40:08,078 INFO  L137   encePairwiseOnDemand]: 155/159 looper letters, 26 selfloop transitions, 2 changer transitions 0/35 dead transitions.
[2023-10-27 12:40:08,091 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 35 transitions, 140 flow
[2023-10-27 12:40:08,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:40:08,097 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:40:08,103 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions.
[2023-10-27 12:40:08,105 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5911949685534591
[2023-10-27 12:40:08,105 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 282 transitions.
[2023-10-27 12:40:08,106 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions.
[2023-10-27 12:40:08,107 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:08,109 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions.
[2023-10-27 12:40:08,121 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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)
[2023-10-27 12:40:08,126 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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)
[2023-10-27 12:40:08,131 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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)
[2023-10-27 12:40:08,132 INFO  L175             Difference]: Start difference. First operand has 34 places, 30 transitions, 74 flow. Second operand 3 states and 282 transitions.
[2023-10-27 12:40:08,143 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 35 transitions, 140 flow
[2023-10-27 12:40:08,147 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:40:08,148 INFO  L231             Difference]: Finished difference. Result has 34 places, 29 transitions, 76 flow
[2023-10-27 12:40:08,150 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=34, PETRI_TRANSITIONS=29}
[2023-10-27 12:40:08,169 INFO  L288   CegarLoopForPetriNet]: 34 programPoint places, 0 predicate places.
[2023-10-27 12:40:08,170 INFO  L495      AbstractCegarLoop]: Abstraction has has 34 places, 29 transitions, 76 flow
[2023-10-27 12:40:08,170 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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)
[2023-10-27 12:40:08,170 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:08,170 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2023-10-27 12:40:08,171 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-10-27 12:40:08,171 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-10-27 12:40:08,173 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:08,173 INFO  L85        PathProgramCache]: Analyzing trace with hash 294180119, now seen corresponding path program 1 times
[2023-10-27 12:40:08,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:08,175 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066469844]
[2023-10-27 12:40:08,175 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:08,177 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:08,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:40:08,240 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-27 12:40:08,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:40:08,300 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-27 12:40:08,317 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-27 12:40:08,320 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining)
[2023-10-27 12:40:08,321 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2023-10-27 12:40:08,322 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining)
[2023-10-27 12:40:08,325 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining)
[2023-10-27 12:40:08,326 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2023-10-27 12:40:08,326 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2023-10-27 12:40:08,327 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2023-10-27 12:40:08,327 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-10-27 12:40:08,327 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-10-27 12:40:08,337 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-10-27 12:40:08,337 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-10-27 12:40:08,384 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2023-10-27 12:40:08,389 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 129 places, 125 transitions, 286 flow
[2023-10-27 12:40:08,446 INFO  L130       PetriNetUnfolder]: 18/333 cut-off events.
[2023-10-27 12:40:08,447 INFO  L131       PetriNetUnfolder]: For 14/14 co-relation queries the response was YES.
[2023-10-27 12:40:08,454 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 363 conditions, 333 events. 18/333 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1157 event pairs, 1 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 358. Up to 16 conditions per place. 
[2023-10-27 12:40:08,454 INFO  L82        GeneralOperation]: Start removeDead. Operand has 129 places, 125 transitions, 286 flow
[2023-10-27 12:40:08,456 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 111 places, 108 transitions, 240 flow
[2023-10-27 12:40:08,456 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-27 12:40:08,456 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 108 transitions, 240 flow
[2023-10-27 12:40:08,456 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 108 transitions, 240 flow
[2023-10-27 12:40:08,456 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 111 places, 108 transitions, 240 flow
[2023-10-27 12:40:08,505 INFO  L130       PetriNetUnfolder]: 18/333 cut-off events.
[2023-10-27 12:40:08,505 INFO  L131       PetriNetUnfolder]: For 14/14 co-relation queries the response was YES.
[2023-10-27 12:40:08,506 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 362 conditions, 333 events. 18/333 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1158 event pairs, 1 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 195. Up to 16 conditions per place. 
[2023-10-27 12:40:08,510 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4452
[2023-10-27 12:40:10,840 INFO  L134        LiptonReduction]: Checked pairs total: 9797
[2023-10-27 12:40:10,840 INFO  L136        LiptonReduction]: Total number of compositions: 74
[2023-10-27 12:40:10,842 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-27 12:40:10,842 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4a53a6af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-27 12:40:10,843 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2023-10-27 12:40:10,847 INFO  L130       PetriNetUnfolder]: 0/11 cut-off events.
[2023-10-27 12:40:10,848 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-27 12:40:10,848 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:10,848 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-10-27 12:40:10,849 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] ===
[2023-10-27 12:40:10,849 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:10,849 INFO  L85        PathProgramCache]: Analyzing trace with hash 492968682, now seen corresponding path program 1 times
[2023-10-27 12:40:10,849 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:10,849 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810092413]
[2023-10-27 12:40:10,850 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:10,851 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:10,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:10,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:40:10,944 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:10,944 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810092413]
[2023-10-27 12:40:10,944 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810092413] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:10,944 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:10,945 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:40:10,945 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642850153]
[2023-10-27 12:40:10,945 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:10,945 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:10,945 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:10,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:10,946 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:10,969 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 112 out of 199
[2023-10-27 12:40:10,970 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 102 flow. Second operand  has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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)
[2023-10-27 12:40:10,970 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:10,970 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 199
[2023-10-27 12:40:10,971 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:11,967 INFO  L130       PetriNetUnfolder]: 3806/6422 cut-off events.
[2023-10-27 12:40:11,968 INFO  L131       PetriNetUnfolder]: For 267/267 co-relation queries the response was YES.
[2023-10-27 12:40:11,974 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 12417 conditions, 6422 events. 3806/6422 cut-off events. For 267/267 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 39302 event pairs, 2367 based on Foata normal form. 0/5856 useless extension candidates. Maximal degree in co-relation 2430. Up to 5720 conditions per place. 
[2023-10-27 12:40:12,011 INFO  L137   encePairwiseOnDemand]: 195/199 looper letters, 35 selfloop transitions, 2 changer transitions 0/45 dead transitions.
[2023-10-27 12:40:12,023 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 45 transitions, 188 flow
[2023-10-27 12:40:12,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:40:12,023 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:40:12,028 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions.
[2023-10-27 12:40:12,029 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.628140703517588
[2023-10-27 12:40:12,030 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 375 transitions.
[2023-10-27 12:40:12,030 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 375 transitions.
[2023-10-27 12:40:12,032 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:12,032 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 375 transitions.
[2023-10-27 12:40:12,034 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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)
[2023-10-27 12:40:12,036 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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)
[2023-10-27 12:40:12,037 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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)
[2023-10-27 12:40:12,037 INFO  L175             Difference]: Start difference. First operand has 44 places, 39 transitions, 102 flow. Second operand 3 states and 375 transitions.
[2023-10-27 12:40:12,037 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 45 transitions, 188 flow
[2023-10-27 12:40:12,042 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 45 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:40:12,043 INFO  L231             Difference]: Finished difference. Result has 44 places, 39 transitions, 108 flow
[2023-10-27 12:40:12,057 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=44, PETRI_TRANSITIONS=39}
[2023-10-27 12:40:12,058 INFO  L288   CegarLoopForPetriNet]: 44 programPoint places, 0 predicate places.
[2023-10-27 12:40:12,058 INFO  L495      AbstractCegarLoop]: Abstraction has has 44 places, 39 transitions, 108 flow
[2023-10-27 12:40:12,058 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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)
[2023-10-27 12:40:12,058 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:12,059 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:40:12,059 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-10-27 12:40:12,059 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] ===
[2023-10-27 12:40:12,060 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:12,060 INFO  L85        PathProgramCache]: Analyzing trace with hash 1412476630, now seen corresponding path program 1 times
[2023-10-27 12:40:12,060 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:12,060 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100046238]
[2023-10-27 12:40:12,061 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:12,061 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:12,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:12,143 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:40:12,144 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:12,144 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100046238]
[2023-10-27 12:40:12,146 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100046238] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:12,148 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:12,148 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:40:12,148 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989273777]
[2023-10-27 12:40:12,148 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:12,149 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:12,150 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:12,150 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:12,150 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:12,180 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 106 out of 199
[2023-10-27 12:40:12,181 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 108 flow. Second operand  has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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)
[2023-10-27 12:40:12,181 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:12,181 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 199
[2023-10-27 12:40:12,181 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:13,310 INFO  L130       PetriNetUnfolder]: 5318/8649 cut-off events.
[2023-10-27 12:40:13,310 INFO  L131       PetriNetUnfolder]: For 369/369 co-relation queries the response was YES.
[2023-10-27 12:40:13,319 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16900 conditions, 8649 events. 5318/8649 cut-off events. For 369/369 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 54589 event pairs, 3594 based on Foata normal form. 0/7741 useless extension candidates. Maximal degree in co-relation 16850. Up to 6156 conditions per place. 
[2023-10-27 12:40:13,395 INFO  L137   encePairwiseOnDemand]: 192/199 looper letters, 51 selfloop transitions, 6 changer transitions 0/64 dead transitions.
[2023-10-27 12:40:13,406 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 64 transitions, 289 flow
[2023-10-27 12:40:13,407 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:40:13,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:40:13,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions.
[2023-10-27 12:40:13,409 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.626465661641541
[2023-10-27 12:40:13,411 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 374 transitions.
[2023-10-27 12:40:13,411 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 374 transitions.
[2023-10-27 12:40:13,412 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:13,412 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 374 transitions.
[2023-10-27 12:40:13,413 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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)
[2023-10-27 12:40:13,414 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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)
[2023-10-27 12:40:13,415 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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)
[2023-10-27 12:40:13,415 INFO  L175             Difference]: Start difference. First operand has 44 places, 39 transitions, 108 flow. Second operand 3 states and 374 transitions.
[2023-10-27 12:40:13,415 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 64 transitions, 289 flow
[2023-10-27 12:40:13,417 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 64 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-27 12:40:13,418 INFO  L231             Difference]: Finished difference. Result has 47 places, 44 transitions, 152 flow
[2023-10-27 12:40:13,418 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=47, PETRI_TRANSITIONS=44}
[2023-10-27 12:40:13,420 INFO  L288   CegarLoopForPetriNet]: 44 programPoint places, 3 predicate places.
[2023-10-27 12:40:13,420 INFO  L495      AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 152 flow
[2023-10-27 12:40:13,421 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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)
[2023-10-27 12:40:13,421 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:13,421 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:40:13,421 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-10-27 12:40:13,421 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] ===
[2023-10-27 12:40:13,422 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:13,422 INFO  L85        PathProgramCache]: Analyzing trace with hash -334774117, now seen corresponding path program 1 times
[2023-10-27 12:40:13,422 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:13,423 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709579797]
[2023-10-27 12:40:13,423 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:13,423 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:13,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:13,524 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-10-27 12:40:13,525 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:13,525 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709579797]
[2023-10-27 12:40:13,525 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709579797] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:13,525 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:13,525 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-10-27 12:40:13,526 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980789068]
[2023-10-27 12:40:13,526 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:13,526 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-10-27 12:40:13,526 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:13,527 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-10-27 12:40:13,534 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-10-27 12:40:13,572 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 110 out of 199
[2023-10-27 12:40:13,573 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 152 flow. Second operand  has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 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)
[2023-10-27 12:40:13,573 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:13,573 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 199
[2023-10-27 12:40:13,573 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:14,255 INFO  L130       PetriNetUnfolder]: 3577/6082 cut-off events.
[2023-10-27 12:40:14,269 INFO  L131       PetriNetUnfolder]: For 2918/3056 co-relation queries the response was YES.
[2023-10-27 12:40:14,275 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 14330 conditions, 6082 events. 3577/6082 cut-off events. For 2918/3056 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 36980 event pairs, 1503 based on Foata normal form. 337/6246 useless extension candidates. Maximal degree in co-relation 5292. Up to 2973 conditions per place. 
[2023-10-27 12:40:14,325 INFO  L137   encePairwiseOnDemand]: 195/199 looper letters, 57 selfloop transitions, 3 changer transitions 0/68 dead transitions.
[2023-10-27 12:40:14,325 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 68 transitions, 355 flow
[2023-10-27 12:40:14,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-10-27 12:40:14,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-10-27 12:40:14,326 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 491 transitions.
[2023-10-27 12:40:14,341 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6168341708542714
[2023-10-27 12:40:14,341 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 491 transitions.
[2023-10-27 12:40:14,342 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 491 transitions.
[2023-10-27 12:40:14,343 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:14,343 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 491 transitions.
[2023-10-27 12:40:14,344 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 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)
[2023-10-27 12:40:14,345 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 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)
[2023-10-27 12:40:14,346 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 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)
[2023-10-27 12:40:14,346 INFO  L175             Difference]: Start difference. First operand has 47 places, 44 transitions, 152 flow. Second operand 4 states and 491 transitions.
[2023-10-27 12:40:14,346 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 68 transitions, 355 flow
[2023-10-27 12:40:14,368 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 68 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:40:14,369 INFO  L231             Difference]: Finished difference. Result has 49 places, 45 transitions, 156 flow
[2023-10-27 12:40:14,369 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=49, PETRI_TRANSITIONS=45}
[2023-10-27 12:40:14,371 INFO  L288   CegarLoopForPetriNet]: 44 programPoint places, 5 predicate places.
[2023-10-27 12:40:14,371 INFO  L495      AbstractCegarLoop]: Abstraction has has 49 places, 45 transitions, 156 flow
[2023-10-27 12:40:14,371 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 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)
[2023-10-27 12:40:14,371 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:14,371 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2023-10-27 12:40:14,372 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-10-27 12:40:14,372 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] ===
[2023-10-27 12:40:14,372 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:14,372 INFO  L85        PathProgramCache]: Analyzing trace with hash -1675528288, now seen corresponding path program 1 times
[2023-10-27 12:40:14,372 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:14,373 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191406625]
[2023-10-27 12:40:14,373 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:14,373 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:14,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:40:14,404 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-27 12:40:14,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:40:14,436 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-27 12:40:14,436 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-27 12:40:14,437 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining)
[2023-10-27 12:40:14,437 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2023-10-27 12:40:14,438 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2023-10-27 12:40:14,438 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining)
[2023-10-27 12:40:14,440 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2023-10-27 12:40:14,440 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining)
[2023-10-27 12:40:14,440 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2023-10-27 12:40:14,441 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2023-10-27 12:40:14,441 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2023-10-27 12:40:14,441 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-10-27 12:40:14,441 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-10-27 12:40:14,442 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-10-27 12:40:14,442 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2023-10-27 12:40:14,489 INFO  L144    ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions.
[2023-10-27 12:40:14,495 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 163 places, 157 transitions, 374 flow
[2023-10-27 12:40:14,589 INFO  L130       PetriNetUnfolder]: 40/584 cut-off events.
[2023-10-27 12:40:14,589 INFO  L131       PetriNetUnfolder]: For 39/39 co-relation queries the response was YES.
[2023-10-27 12:40:14,590 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 643 conditions, 584 events. 40/584 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2535 event pairs, 6 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 636. Up to 32 conditions per place. 
[2023-10-27 12:40:14,590 INFO  L82        GeneralOperation]: Start removeDead. Operand has 163 places, 157 transitions, 374 flow
[2023-10-27 12:40:14,592 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 128 places, 124 transitions, 284 flow
[2023-10-27 12:40:14,592 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-27 12:40:14,592 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 124 transitions, 284 flow
[2023-10-27 12:40:14,593 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 124 transitions, 284 flow
[2023-10-27 12:40:14,593 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 128 places, 124 transitions, 284 flow
[2023-10-27 12:40:14,647 INFO  L130       PetriNetUnfolder]: 40/584 cut-off events.
[2023-10-27 12:40:14,661 INFO  L131       PetriNetUnfolder]: For 39/39 co-relation queries the response was YES.
[2023-10-27 12:40:14,663 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 641 conditions, 584 events. 40/584 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2535 event pairs, 6 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 355. Up to 32 conditions per place. 
[2023-10-27 12:40:14,673 INFO  L119        LiptonReduction]: Number of co-enabled transitions 7028
[2023-10-27 12:40:16,809 INFO  L134        LiptonReduction]: Checked pairs total: 17746
[2023-10-27 12:40:16,809 INFO  L136        LiptonReduction]: Total number of compositions: 82
[2023-10-27 12:40:16,810 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-27 12:40:16,811 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4a53a6af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-27 12:40:16,811 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2023-10-27 12:40:16,812 INFO  L130       PetriNetUnfolder]: 0/11 cut-off events.
[2023-10-27 12:40:16,812 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-27 12:40:16,812 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:16,812 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-10-27 12:40:16,812 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2023-10-27 12:40:16,813 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:16,813 INFO  L85        PathProgramCache]: Analyzing trace with hash 737288928, now seen corresponding path program 1 times
[2023-10-27 12:40:16,813 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:16,813 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005265938]
[2023-10-27 12:40:16,813 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:16,815 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:16,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:16,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:40:16,857 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:16,857 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005265938]
[2023-10-27 12:40:16,857 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005265938] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:16,857 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:16,857 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:40:16,857 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038994090]
[2023-10-27 12:40:16,858 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:16,858 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:16,858 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:16,859 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:16,859 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:16,877 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 138 out of 239
[2023-10-27 12:40:16,877 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 130 flow. Second operand  has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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)
[2023-10-27 12:40:16,877 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:16,877 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 239
[2023-10-27 12:40:16,878 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:20,691 INFO  L130       PetriNetUnfolder]: 26260/40190 cut-off events.
[2023-10-27 12:40:20,692 INFO  L131       PetriNetUnfolder]: For 2250/2250 co-relation queries the response was YES.
[2023-10-27 12:40:20,805 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 78148 conditions, 40190 events. 26260/40190 cut-off events. For 2250/2250 co-relation queries the response was YES. Maximal size of possible extension queue 1149. Compared 284188 event pairs, 18714 based on Foata normal form. 0/37039 useless extension candidates. Maximal degree in co-relation 10697. Up to 36173 conditions per place. 
[2023-10-27 12:40:21,084 INFO  L137   encePairwiseOnDemand]: 235/239 looper letters, 40 selfloop transitions, 2 changer transitions 0/53 dead transitions.
[2023-10-27 12:40:21,084 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 53 transitions, 226 flow
[2023-10-27 12:40:21,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:40:21,085 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:40:21,086 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions.
[2023-10-27 12:40:21,086 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6387726638772664
[2023-10-27 12:40:21,093 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 458 transitions.
[2023-10-27 12:40:21,093 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 458 transitions.
[2023-10-27 12:40:21,093 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:21,093 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 458 transitions.
[2023-10-27 12:40:21,094 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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)
[2023-10-27 12:40:21,095 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:21,096 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:21,096 INFO  L175             Difference]: Start difference. First operand has 53 places, 47 transitions, 130 flow. Second operand 3 states and 458 transitions.
[2023-10-27 12:40:21,096 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 53 transitions, 226 flow
[2023-10-27 12:40:21,130 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 53 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:40:21,131 INFO  L231             Difference]: Finished difference. Result has 53 places, 47 transitions, 136 flow
[2023-10-27 12:40:21,131 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=53, PETRI_TRANSITIONS=47}
[2023-10-27 12:40:21,133 INFO  L288   CegarLoopForPetriNet]: 53 programPoint places, 0 predicate places.
[2023-10-27 12:40:21,133 INFO  L495      AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 136 flow
[2023-10-27 12:40:21,133 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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)
[2023-10-27 12:40:21,134 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:21,134 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:40:21,134 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-10-27 12:40:21,134 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2023-10-27 12:40:21,134 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:21,135 INFO  L85        PathProgramCache]: Analyzing trace with hash -46964134, now seen corresponding path program 1 times
[2023-10-27 12:40:21,135 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:21,135 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327622274]
[2023-10-27 12:40:21,135 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:21,135 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:21,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:21,180 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:40:21,180 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:21,180 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327622274]
[2023-10-27 12:40:21,180 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327622274] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:21,181 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:21,181 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:40:21,181 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94650483]
[2023-10-27 12:40:21,181 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:21,181 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:21,181 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:21,182 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:21,182 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:21,210 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 132 out of 239
[2023-10-27 12:40:21,210 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 136 flow. Second operand  has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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)
[2023-10-27 12:40:21,210 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:21,211 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 239
[2023-10-27 12:40:21,211 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:25,494 INFO  L130       PetriNetUnfolder]: 39784/59149 cut-off events.
[2023-10-27 12:40:25,494 INFO  L131       PetriNetUnfolder]: For 2997/2997 co-relation queries the response was YES.
[2023-10-27 12:40:25,597 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 115679 conditions, 59149 events. 39784/59149 cut-off events. For 2997/2997 co-relation queries the response was YES. Maximal size of possible extension queue 1595. Compared 417493 event pairs, 32701 based on Foata normal form. 0/53652 useless extension candidates. Maximal degree in co-relation 115628. Up to 48818 conditions per place. 
[2023-10-27 12:40:26,092 INFO  L137   encePairwiseOnDemand]: 232/239 looper letters, 62 selfloop transitions, 6 changer transitions 0/77 dead transitions.
[2023-10-27 12:40:26,105 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 77 transitions, 359 flow
[2023-10-27 12:40:26,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:40:26,106 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:40:26,109 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 463 transitions.
[2023-10-27 12:40:26,110 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6457461645746164
[2023-10-27 12:40:26,110 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 463 transitions.
[2023-10-27 12:40:26,110 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 463 transitions.
[2023-10-27 12:40:26,111 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:26,112 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 463 transitions.
[2023-10-27 12:40:26,114 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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)
[2023-10-27 12:40:26,115 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:26,116 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:26,116 INFO  L175             Difference]: Start difference. First operand has 53 places, 47 transitions, 136 flow. Second operand 3 states and 463 transitions.
[2023-10-27 12:40:26,116 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 77 transitions, 359 flow
[2023-10-27 12:40:26,129 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 77 transitions, 356 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-27 12:40:26,143 INFO  L231             Difference]: Finished difference. Result has 55 places, 52 transitions, 174 flow
[2023-10-27 12:40:26,143 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=55, PETRI_TRANSITIONS=52}
[2023-10-27 12:40:26,144 INFO  L288   CegarLoopForPetriNet]: 53 programPoint places, 2 predicate places.
[2023-10-27 12:40:26,144 INFO  L495      AbstractCegarLoop]: Abstraction has has 55 places, 52 transitions, 174 flow
[2023-10-27 12:40:26,144 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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)
[2023-10-27 12:40:26,144 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:26,145 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:40:26,145 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-10-27 12:40:26,145 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2023-10-27 12:40:26,145 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:26,145 INFO  L85        PathProgramCache]: Analyzing trace with hash 1501193596, now seen corresponding path program 1 times
[2023-10-27 12:40:26,146 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:26,146 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412539886]
[2023-10-27 12:40:26,146 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:26,146 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:26,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:26,202 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-10-27 12:40:26,203 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:26,203 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412539886]
[2023-10-27 12:40:26,203 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412539886] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:26,212 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:26,213 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-10-27 12:40:26,213 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696629629]
[2023-10-27 12:40:26,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:26,213 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-10-27 12:40:26,213 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:26,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-10-27 12:40:26,214 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-10-27 12:40:26,241 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 138 out of 239
[2023-10-27 12:40:26,242 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 52 transitions, 174 flow. Second operand  has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 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)
[2023-10-27 12:40:26,257 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:26,257 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 239
[2023-10-27 12:40:26,257 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:29,567 INFO  L130       PetriNetUnfolder]: 29386/45356 cut-off events.
[2023-10-27 12:40:29,568 INFO  L131       PetriNetUnfolder]: For 13695/14996 co-relation queries the response was YES.
[2023-10-27 12:40:29,653 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 100116 conditions, 45356 events. 29386/45356 cut-off events. For 13695/14996 co-relation queries the response was YES. Maximal size of possible extension queue 1196. Compared 329710 event pairs, 15373 based on Foata normal form. 1826/45161 useless extension candidates. Maximal degree in co-relation 31396. Up to 24158 conditions per place. 
[2023-10-27 12:40:29,962 INFO  L137   encePairwiseOnDemand]: 235/239 looper letters, 64 selfloop transitions, 3 changer transitions 0/79 dead transitions.
[2023-10-27 12:40:29,977 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 79 transitions, 390 flow
[2023-10-27 12:40:29,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-10-27 12:40:29,978 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-10-27 12:40:29,979 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 612 transitions.
[2023-10-27 12:40:29,980 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6401673640167364
[2023-10-27 12:40:29,980 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 612 transitions.
[2023-10-27 12:40:29,980 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 612 transitions.
[2023-10-27 12:40:29,980 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:29,980 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 612 transitions.
[2023-10-27 12:40:29,982 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 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)
[2023-10-27 12:40:29,984 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 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)
[2023-10-27 12:40:29,985 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 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)
[2023-10-27 12:40:29,985 INFO  L175             Difference]: Start difference. First operand has 55 places, 52 transitions, 174 flow. Second operand 4 states and 612 transitions.
[2023-10-27 12:40:29,985 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 79 transitions, 390 flow
[2023-10-27 12:40:29,994 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 79 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-27 12:40:30,011 INFO  L231             Difference]: Finished difference. Result has 58 places, 53 transitions, 184 flow
[2023-10-27 12:40:30,011 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=58, PETRI_TRANSITIONS=53}
[2023-10-27 12:40:30,012 INFO  L288   CegarLoopForPetriNet]: 53 programPoint places, 5 predicate places.
[2023-10-27 12:40:30,012 INFO  L495      AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 184 flow
[2023-10-27 12:40:30,013 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 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)
[2023-10-27 12:40:30,013 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:30,013 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:40:30,013 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-10-27 12:40:30,013 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2023-10-27 12:40:30,014 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:30,014 INFO  L85        PathProgramCache]: Analyzing trace with hash -618388217, now seen corresponding path program 1 times
[2023-10-27 12:40:30,014 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:30,014 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056338891]
[2023-10-27 12:40:30,014 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:30,016 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:30,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:30,052 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-10-27 12:40:30,052 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:30,052 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056338891]
[2023-10-27 12:40:30,052 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056338891] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:30,052 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:30,053 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:40:30,053 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691078490]
[2023-10-27 12:40:30,053 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:30,054 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:30,054 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:30,054 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:30,054 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:30,095 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 132 out of 239
[2023-10-27 12:40:30,095 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 184 flow. Second operand  has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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)
[2023-10-27 12:40:30,095 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:30,096 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 239
[2023-10-27 12:40:30,096 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:34,515 INFO  L130       PetriNetUnfolder]: 37579/57369 cut-off events.
[2023-10-27 12:40:34,516 INFO  L131       PetriNetUnfolder]: For 19884/20895 co-relation queries the response was YES.
[2023-10-27 12:40:34,631 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 131298 conditions, 57369 events. 37579/57369 cut-off events. For 19884/20895 co-relation queries the response was YES. Maximal size of possible extension queue 1386. Compared 416679 event pairs, 29498 based on Foata normal form. 0/53923 useless extension candidates. Maximal degree in co-relation 26067. Up to 47362 conditions per place. 
[2023-10-27 12:40:34,797 INFO  L137   encePairwiseOnDemand]: 232/239 looper letters, 66 selfloop transitions, 7 changer transitions 0/82 dead transitions.
[2023-10-27 12:40:34,797 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 82 transitions, 427 flow
[2023-10-27 12:40:34,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:40:34,798 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:40:34,799 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions.
[2023-10-27 12:40:34,799 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6443514644351465
[2023-10-27 12:40:34,799 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 462 transitions.
[2023-10-27 12:40:34,800 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions.
[2023-10-27 12:40:34,801 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:34,801 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions.
[2023-10-27 12:40:34,807 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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)
[2023-10-27 12:40:34,809 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:34,809 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:34,810 INFO  L175             Difference]: Start difference. First operand has 58 places, 53 transitions, 184 flow. Second operand 3 states and 462 transitions.
[2023-10-27 12:40:34,810 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 82 transitions, 427 flow
[2023-10-27 12:40:34,878 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 82 transitions, 421 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:40:34,879 INFO  L231             Difference]: Finished difference. Result has 59 places, 58 transitions, 233 flow
[2023-10-27 12:40:34,879 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=59, PETRI_TRANSITIONS=58}
[2023-10-27 12:40:34,881 INFO  L288   CegarLoopForPetriNet]: 53 programPoint places, 6 predicate places.
[2023-10-27 12:40:34,881 INFO  L495      AbstractCegarLoop]: Abstraction has has 59 places, 58 transitions, 233 flow
[2023-10-27 12:40:34,881 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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)
[2023-10-27 12:40:34,881 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:34,881 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:40:34,881 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-10-27 12:40:34,882 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2023-10-27 12:40:34,882 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:34,882 INFO  L85        PathProgramCache]: Analyzing trace with hash -707898105, now seen corresponding path program 1 times
[2023-10-27 12:40:34,882 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:34,882 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107263991]
[2023-10-27 12:40:34,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:34,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:34,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:34,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-10-27 12:40:34,937 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:34,937 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107263991]
[2023-10-27 12:40:34,937 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107263991] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:34,938 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:34,938 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:40:34,939 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456947099]
[2023-10-27 12:40:34,939 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:34,939 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:34,941 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:34,942 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:34,942 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:34,980 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 132 out of 239
[2023-10-27 12:40:34,980 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 58 transitions, 233 flow. Second operand  has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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)
[2023-10-27 12:40:34,981 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:34,981 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 239
[2023-10-27 12:40:34,981 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:39,051 INFO  L381   tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([707] L689-6-->L692: Formula: (and (not (< |v_ULTIMATE.start_main_~i~1#1_In_5| |v_ULTIMATE.start_main_~threads_total~0#1_In_11|)) (= |v_#race~data~0_Out_10| 0))  InVars {ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_In_5|, ULTIMATE.start_main_~threads_total~0#1=|v_ULTIMATE.start_main_~threads_total~0#1_In_11|}  OutVars{ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_In_5|, ULTIMATE.start_main_~threads_total~0#1=|v_ULTIMATE.start_main_~threads_total~0#1_In_11|, #race~data~0=|v_#race~data~0_Out_10|}  AuxVars[]  AssignedVars[#race~data~0][62], [threadThread1of3ForFork1InUse, threadThread2of3ForFork1InUse, threadThread3of3ForFork1InUse, Black: 168#(<= (+ |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~threads_total~0#1|), 187#true, 151#threadErr0ASSERT_VIOLATIONDATA_RACEtrue, 125#threadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 173#(= |#race~data~0| |threadThread1of3ForFork1_#t~nondet2|), 51#L692true, 182#true, 4#L679true, Black: 179#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= 4 |ULTIMATE.start_main_~threads_total~0#1|)), Black: 184#(= |threadThread2of3ForFork1_#t~nondet2| |#race~data~0|)])
[2023-10-27 12:40:39,052 INFO  L383   tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event
[2023-10-27 12:40:39,052 INFO  L386   tUnfolder$Statistics]:   existing Event has 38 ancestors and is cut-off event
[2023-10-27 12:40:39,052 INFO  L386   tUnfolder$Statistics]:   existing Event has 38 ancestors and is cut-off event
[2023-10-27 12:40:39,052 INFO  L386   tUnfolder$Statistics]:   existing Event has 38 ancestors and is cut-off event
[2023-10-27 12:40:39,237 INFO  L381   tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([707] L689-6-->L692: Formula: (and (not (< |v_ULTIMATE.start_main_~i~1#1_In_5| |v_ULTIMATE.start_main_~threads_total~0#1_In_11|)) (= |v_#race~data~0_Out_10| 0))  InVars {ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_In_5|, ULTIMATE.start_main_~threads_total~0#1=|v_ULTIMATE.start_main_~threads_total~0#1_In_11|}  OutVars{ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_In_5|, ULTIMATE.start_main_~threads_total~0#1=|v_ULTIMATE.start_main_~threads_total~0#1_In_11|, #race~data~0=|v_#race~data~0_Out_10|}  AuxVars[]  AssignedVars[#race~data~0][62], [threadThread1of3ForFork1InUse, 42#threadEXITtrue, threadThread2of3ForFork1InUse, threadThread3of3ForFork1InUse, Black: 168#(<= (+ |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~threads_total~0#1|), 187#true, 151#threadErr0ASSERT_VIOLATIONDATA_RACEtrue, 125#threadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 173#(= |#race~data~0| |threadThread1of3ForFork1_#t~nondet2|), 51#L692true, 182#true, Black: 179#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= 4 |ULTIMATE.start_main_~threads_total~0#1|)), Black: 184#(= |threadThread2of3ForFork1_#t~nondet2| |#race~data~0|)])
[2023-10-27 12:40:39,237 INFO  L383   tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event
[2023-10-27 12:40:39,238 INFO  L386   tUnfolder$Statistics]:   existing Event has 39 ancestors and is cut-off event
[2023-10-27 12:40:39,238 INFO  L386   tUnfolder$Statistics]:   existing Event has 39 ancestors and is cut-off event
[2023-10-27 12:40:39,238 INFO  L386   tUnfolder$Statistics]:   existing Event has 39 ancestors and is cut-off event
[2023-10-27 12:40:39,238 INFO  L381   tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([707] L689-6-->L692: Formula: (and (not (< |v_ULTIMATE.start_main_~i~1#1_In_5| |v_ULTIMATE.start_main_~threads_total~0#1_In_11|)) (= |v_#race~data~0_Out_10| 0))  InVars {ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_In_5|, ULTIMATE.start_main_~threads_total~0#1=|v_ULTIMATE.start_main_~threads_total~0#1_In_11|}  OutVars{ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_In_5|, ULTIMATE.start_main_~threads_total~0#1=|v_ULTIMATE.start_main_~threads_total~0#1_In_11|, #race~data~0=|v_#race~data~0_Out_10|}  AuxVars[]  AssignedVars[#race~data~0][62], [threadThread1of3ForFork1InUse, threadThread2of3ForFork1InUse, threadThread3of3ForFork1NotInUse, Black: 168#(<= (+ |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~threads_total~0#1|), 187#true, 151#threadErr0ASSERT_VIOLATIONDATA_RACEtrue, 125#threadErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 173#(= |#race~data~0| |threadThread1of3ForFork1_#t~nondet2|), 51#L692true, 182#true, Black: 179#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= 4 |ULTIMATE.start_main_~threads_total~0#1|)), Black: 184#(= |threadThread2of3ForFork1_#t~nondet2| |#race~data~0|), 93#threadEXITtrue])
[2023-10-27 12:40:39,238 INFO  L383   tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event
[2023-10-27 12:40:39,238 INFO  L386   tUnfolder$Statistics]:   existing Event has 39 ancestors and is cut-off event
[2023-10-27 12:40:39,238 INFO  L386   tUnfolder$Statistics]:   existing Event has 39 ancestors and is cut-off event
[2023-10-27 12:40:39,238 INFO  L386   tUnfolder$Statistics]:   existing Event has 39 ancestors and is cut-off event
[2023-10-27 12:40:39,386 INFO  L130       PetriNetUnfolder]: 43028/65505 cut-off events.
[2023-10-27 12:40:39,386 INFO  L131       PetriNetUnfolder]: For 40709/42879 co-relation queries the response was YES.
[2023-10-27 12:40:39,646 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 165073 conditions, 65505 events. 43028/65505 cut-off events. For 40709/42879 co-relation queries the response was YES. Maximal size of possible extension queue 1688. Compared 485413 event pairs, 32159 based on Foata normal form. 6/61325 useless extension candidates. Maximal degree in co-relation 51590. Up to 54919 conditions per place. 
[2023-10-27 12:40:39,840 INFO  L137   encePairwiseOnDemand]: 232/239 looper letters, 65 selfloop transitions, 8 changer transitions 0/82 dead transitions.
[2023-10-27 12:40:39,840 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 82 transitions, 465 flow
[2023-10-27 12:40:39,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:40:39,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:40:39,842 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 457 transitions.
[2023-10-27 12:40:39,842 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6373779637377964
[2023-10-27 12:40:39,842 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 457 transitions.
[2023-10-27 12:40:39,842 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 457 transitions.
[2023-10-27 12:40:39,843 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:39,843 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 457 transitions.
[2023-10-27 12:40:39,844 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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)
[2023-10-27 12:40:39,854 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:39,859 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:39,859 INFO  L175             Difference]: Start difference. First operand has 59 places, 58 transitions, 233 flow. Second operand 3 states and 457 transitions.
[2023-10-27 12:40:39,859 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 82 transitions, 465 flow
[2023-10-27 12:40:40,740 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 82 transitions, 457 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-27 12:40:40,743 INFO  L231             Difference]: Finished difference. Result has 61 places, 63 transitions, 290 flow
[2023-10-27 12:40:40,743 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=61, PETRI_TRANSITIONS=63}
[2023-10-27 12:40:40,744 INFO  L288   CegarLoopForPetriNet]: 53 programPoint places, 8 predicate places.
[2023-10-27 12:40:40,744 INFO  L495      AbstractCegarLoop]: Abstraction has has 61 places, 63 transitions, 290 flow
[2023-10-27 12:40:40,744 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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)
[2023-10-27 12:40:40,744 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:40,744 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:40:40,744 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-10-27 12:40:40,745 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2023-10-27 12:40:40,745 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:40,745 INFO  L85        PathProgramCache]: Analyzing trace with hash 2112228569, now seen corresponding path program 1 times
[2023-10-27 12:40:40,746 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:40,751 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48779104]
[2023-10-27 12:40:40,751 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:40,751 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:40,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:40,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-10-27 12:40:40,862 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:40,862 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48779104]
[2023-10-27 12:40:40,862 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48779104] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:40,862 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:40,862 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-10-27 12:40:40,862 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974783810]
[2023-10-27 12:40:40,862 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:40,863 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:40,863 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:40,863 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:40,864 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:40,888 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 130 out of 239
[2023-10-27 12:40:40,888 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 63 transitions, 290 flow. Second operand  has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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)
[2023-10-27 12:40:40,889 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:40,889 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 239
[2023-10-27 12:40:40,889 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:40:41,476 INFO  L130       PetriNetUnfolder]: 2880/6623 cut-off events.
[2023-10-27 12:40:41,480 INFO  L131       PetriNetUnfolder]: For 5851/6027 co-relation queries the response was YES.
[2023-10-27 12:40:41,489 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 17476 conditions, 6623 events. 2880/6623 cut-off events. For 5851/6027 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 54966 event pairs, 523 based on Foata normal form. 2061/8360 useless extension candidates. Maximal degree in co-relation 7167. Up to 4497 conditions per place. 
[2023-10-27 12:40:41,500 INFO  L137   encePairwiseOnDemand]: 231/239 looper letters, 52 selfloop transitions, 8 changer transitions 0/71 dead transitions.
[2023-10-27 12:40:41,500 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 71 transitions, 422 flow
[2023-10-27 12:40:41,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:40:41,501 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:40:41,501 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions.
[2023-10-27 12:40:41,502 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6192468619246861
[2023-10-27 12:40:41,502 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 444 transitions.
[2023-10-27 12:40:41,502 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 444 transitions.
[2023-10-27 12:40:41,502 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:40:41,502 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 444 transitions.
[2023-10-27 12:40:41,503 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 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)
[2023-10-27 12:40:41,504 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:41,504 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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)
[2023-10-27 12:40:41,504 INFO  L175             Difference]: Start difference. First operand has 61 places, 63 transitions, 290 flow. Second operand 3 states and 444 transitions.
[2023-10-27 12:40:41,505 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 71 transitions, 422 flow
[2023-10-27 12:40:41,541 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 71 transitions, 413 flow, removed 3 selfloop flow, removed 1 redundant places.
[2023-10-27 12:40:41,545 INFO  L231             Difference]: Finished difference. Result has 62 places, 54 transitions, 232 flow
[2023-10-27 12:40:41,546 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=62, PETRI_TRANSITIONS=54}
[2023-10-27 12:40:41,547 INFO  L288   CegarLoopForPetriNet]: 53 programPoint places, 9 predicate places.
[2023-10-27 12:40:41,547 INFO  L495      AbstractCegarLoop]: Abstraction has has 62 places, 54 transitions, 232 flow
[2023-10-27 12:40:41,547 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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)
[2023-10-27 12:40:41,547 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:41,548 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1]
[2023-10-27 12:40:41,548 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-10-27 12:40:41,548 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2023-10-27 12:40:41,548 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:41,548 INFO  L85        PathProgramCache]: Analyzing trace with hash 792906874, now seen corresponding path program 1 times
[2023-10-27 12:40:41,549 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:41,549 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045123107]
[2023-10-27 12:40:41,549 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:41,549 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:41,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:40:41,565 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-27 12:40:41,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-27 12:40:41,587 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-27 12:40:41,587 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-27 12:40:41,588 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining)
[2023-10-27 12:40:41,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining)
[2023-10-27 12:40:41,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining)
[2023-10-27 12:40:41,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining)
[2023-10-27 12:40:41,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining)
[2023-10-27 12:40:41,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining)
[2023-10-27 12:40:41,588 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining)
[2023-10-27 12:40:41,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining)
[2023-10-27 12:40:41,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining)
[2023-10-27 12:40:41,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining)
[2023-10-27 12:40:41,589 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining)
[2023-10-27 12:40:41,589 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-10-27 12:40:41,589 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:40:41,590 WARN  L233   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-10-27 12:40:41,590 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2023-10-27 12:40:41,632 INFO  L144    ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2023-10-27 12:40:41,649 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 197 places, 189 transitions, 466 flow
[2023-10-27 12:40:41,782 INFO  L130       PetriNetUnfolder]: 90/1047 cut-off events.
[2023-10-27 12:40:41,797 INFO  L131       PetriNetUnfolder]: For 96/96 co-relation queries the response was YES.
[2023-10-27 12:40:41,800 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1164 conditions, 1047 events. 90/1047 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5407 event pairs, 23 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 1155. Up to 80 conditions per place. 
[2023-10-27 12:40:41,801 INFO  L82        GeneralOperation]: Start removeDead. Operand has 197 places, 189 transitions, 466 flow
[2023-10-27 12:40:41,803 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 145 places, 140 transitions, 330 flow
[2023-10-27 12:40:41,803 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-27 12:40:41,803 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 140 transitions, 330 flow
[2023-10-27 12:40:41,803 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 140 transitions, 330 flow
[2023-10-27 12:40:41,803 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 145 places, 140 transitions, 330 flow
[2023-10-27 12:40:41,926 INFO  L130       PetriNetUnfolder]: 90/1047 cut-off events.
[2023-10-27 12:40:41,927 INFO  L131       PetriNetUnfolder]: For 96/96 co-relation queries the response was YES.
[2023-10-27 12:40:41,931 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1161 conditions, 1047 events. 90/1047 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5406 event pairs, 23 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 632. Up to 80 conditions per place. 
[2023-10-27 12:40:41,959 INFO  L119        LiptonReduction]: Number of co-enabled transitions 10080
[2023-10-27 12:40:44,015 INFO  L134        LiptonReduction]: Checked pairs total: 24069
[2023-10-27 12:40:44,015 INFO  L136        LiptonReduction]: Total number of compositions: 90
[2023-10-27 12:40:44,016 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-27 12:40:44,016 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4a53a6af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-27 12:40:44,016 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2023-10-27 12:40:44,017 INFO  L130       PetriNetUnfolder]: 0/11 cut-off events.
[2023-10-27 12:40:44,017 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-27 12:40:44,017 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:40:44,017 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-10-27 12:40:44,017 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] ===
[2023-10-27 12:40:44,018 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:40:44,018 INFO  L85        PathProgramCache]: Analyzing trace with hash 1019721883, now seen corresponding path program 1 times
[2023-10-27 12:40:44,018 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:40:44,018 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131191213]
[2023-10-27 12:40:44,018 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:40:44,018 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:40:44,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:40:44,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:40:44,069 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:40:44,069 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131191213]
[2023-10-27 12:40:44,070 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131191213] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:40:44,070 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:40:44,070 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:40:44,070 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178121768]
[2023-10-27 12:40:44,070 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:40:44,070 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:40:44,070 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:40:44,071 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:40:44,071 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:40:44,087 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 166 out of 279
[2023-10-27 12:40:44,088 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 160 flow. Second operand  has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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)
[2023-10-27 12:40:44,088 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:40:44,088 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 279
[2023-10-27 12:40:44,089 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-27 12:41:15,556 INFO  L130       PetriNetUnfolder]: 274063/379367 cut-off events.
[2023-10-27 12:41:15,556 INFO  L131       PetriNetUnfolder]: For 26101/26101 co-relation queries the response was YES.
[2023-10-27 12:41:16,594 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 748536 conditions, 379367 events. 274063/379367 cut-off events. For 26101/26101 co-relation queries the response was YES. Maximal size of possible extension queue 7804. Compared 2816735 event pairs, 213969 based on Foata normal form. 0/357635 useless extension candidates. Maximal degree in co-relation 91133. Up to 353594 conditions per place. 
[2023-10-27 12:41:17,942 INFO  L137   encePairwiseOnDemand]: 275/279 looper letters, 48 selfloop transitions, 2 changer transitions 0/61 dead transitions.
[2023-10-27 12:41:17,943 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 61 transitions, 272 flow
[2023-10-27 12:41:17,943 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-27 12:41:17,943 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-27 12:41:17,944 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions.
[2023-10-27 12:41:17,944 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6571087216248507
[2023-10-27 12:41:17,944 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 550 transitions.
[2023-10-27 12:41:17,945 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions.
[2023-10-27 12:41:17,954 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-27 12:41:17,954 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions.
[2023-10-27 12:41:17,956 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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)
[2023-10-27 12:41:17,957 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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)
[2023-10-27 12:41:17,957 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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)
[2023-10-27 12:41:17,957 INFO  L175             Difference]: Start difference. First operand has 62 places, 55 transitions, 160 flow. Second operand 3 states and 550 transitions.
[2023-10-27 12:41:17,958 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 61 transitions, 272 flow
[2023-10-27 12:41:18,082 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 61 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-27 12:41:18,083 INFO  L231             Difference]: Finished difference. Result has 62 places, 55 transitions, 166 flow
[2023-10-27 12:41:18,083 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=62, PETRI_TRANSITIONS=55}
[2023-10-27 12:41:18,084 INFO  L288   CegarLoopForPetriNet]: 62 programPoint places, 0 predicate places.
[2023-10-27 12:41:18,084 INFO  L495      AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 166 flow
[2023-10-27 12:41:18,084 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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)
[2023-10-27 12:41:18,084 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-27 12:41:18,084 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-10-27 12:41:18,085 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-10-27 12:41:18,085 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] ===
[2023-10-27 12:41:18,085 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-27 12:41:18,085 INFO  L85        PathProgramCache]: Analyzing trace with hash 905065865, now seen corresponding path program 1 times
[2023-10-27 12:41:18,085 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-27 12:41:18,085 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684566224]
[2023-10-27 12:41:18,085 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-27 12:41:18,086 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-27 12:41:18,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-27 12:41:18,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-27 12:41:18,128 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-27 12:41:18,128 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684566224]
[2023-10-27 12:41:18,128 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684566224] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-27 12:41:18,128 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-27 12:41:18,128 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-27 12:41:18,128 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024311049]
[2023-10-27 12:41:18,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-27 12:41:18,129 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-27 12:41:18,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-27 12:41:18,129 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-27 12:41:18,129 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-27 12:41:18,173 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 158 out of 279
[2023-10-27 12:41:18,173 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 166 flow. Second operand  has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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)
[2023-10-27 12:41:18,173 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-27 12:41:18,173 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 279
[2023-10-27 12:41:18,173 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
