./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-dynamic-race.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-dynamic-race.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 42baa13f3c833f066425b90d7117bc629a4606afd0b2e1bcf57fcc9bd3837ebb
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2023-11-01 18:00:00,979 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-11-01 18:00:00,981 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-11-01 18:00:01,002 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-11-01 18:00:01,003 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-11-01 18:00:01,003 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-11-01 18:00:01,004 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-11-01 18:00:01,006 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-11-01 18:00:01,007 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-11-01 18:00:01,007 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-11-01 18:00:01,008 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-11-01 18:00:01,009 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-11-01 18:00:01,009 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-11-01 18:00:01,010 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-11-01 18:00:01,010 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-11-01 18:00:01,011 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-11-01 18:00:01,012 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-11-01 18:00:01,013 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-11-01 18:00:01,014 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-11-01 18:00:01,015 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-11-01 18:00:01,016 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-11-01 18:00:01,018 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-11-01 18:00:01,018 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-11-01 18:00:01,019 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-11-01 18:00:01,022 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-11-01 18:00:01,022 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-11-01 18:00:01,022 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-11-01 18:00:01,023 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-11-01 18:00:01,023 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-11-01 18:00:01,024 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-11-01 18:00:01,024 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-11-01 18:00:01,025 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-11-01 18:00:01,025 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-11-01 18:00:01,026 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-11-01 18:00:01,026 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-11-01 18:00:01,027 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-11-01 18:00:01,027 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-11-01 18:00:01,027 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-11-01 18:00:01,027 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-11-01 18:00:01,028 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-11-01 18:00:01,028 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-11-01 18:00:01,029 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-01 18:00:01,080 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-11-01 18:00:01,081 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-01 18:00:01,081 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-01 18:00:01,081 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-01 18:00:01,082 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-01 18:00:01,082 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-01 18:00:01,082 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-01 18:00:01,083 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-01 18:00:01,083 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-11-01 18:00:01,083 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-01 18:00:01,083 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-11-01 18:00:01,083 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-11-01 18:00:01,083 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-01 18:00:01,083 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-11-01 18:00:01,084 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-01 18:00:01,084 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-01 18:00:01,084 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-01 18:00:01,084 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-01 18:00:01,084 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-11-01 18:00:01,084 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-11-01 18:00:01,084 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-01 18:00:01,084 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-11-01 18:00:01,085 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-01 18:00:01,085 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-01 18:00:01,085 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-01 18:00:01,085 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-01 18:00:01,085 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-01 18:00:01,085 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-01 18:00:01,085 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-01 18:00:01,086 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-11-01 18:00:01,086 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-01 18:00:01,086 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-01 18:00:01,086 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-01 18:00:01,086 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-01 18:00:01,086 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-01 18:00:01,086 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-01 18:00:01,086 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-01 18:00:01,086 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 -> 42baa13f3c833f066425b90d7117bc629a4606afd0b2e1bcf57fcc9bd3837ebb
[2023-11-01 18:00:01,291 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-01 18:00:01,314 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-01 18:00:01,318 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-01 18:00:01,319 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-11-01 18:00:01,320 INFO  L275        PluginConnector]: CDTParser initialized
[2023-11-01 18:00:01,321 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-dynamic-race.i
[2023-11-01 18:00:02,339 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-11-01 18:00:02,564 INFO  L351              CDTParser]: Found 1 translation units.
[2023-11-01 18:00:02,565 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-dynamic-race.i
[2023-11-01 18:00:02,579 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/ff999c939/01d92b55fe7e4352993dc8e55244aef0/FLAG388cc2e43
[2023-11-01 18:00:02,938 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/ff999c939/01d92b55fe7e4352993dc8e55244aef0
[2023-11-01 18:00:02,941 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-01 18:00:02,942 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-01 18:00:02,943 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-01 18:00:02,943 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-01 18:00:02,949 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-01 18:00:02,950 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:00:02" (1/1) ...
[2023-11-01 18:00:02,951 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a159d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:02, skipping insertion in model container
[2023-11-01 18:00:02,952 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:00:02" (1/1) ...
[2023-11-01 18:00:02,960 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-11-01 18:00:02,999 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-11-01 18:00:03,122 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-01 18:00:03,259 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-11-01 18:00:03,267 INFO  L203         MainTranslator]: Completed pre-run
[2023-11-01 18:00:03,278 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-01 18:00:03,306 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-11-01 18:00:03,350 INFO  L208         MainTranslator]: Completed translation
[2023-11-01 18:00:03,351 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03 WrapperNode
[2023-11-01 18:00:03,351 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-01 18:00:03,352 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-01 18:00:03,352 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-01 18:00:03,352 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-01 18:00:03,358 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,372 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,392 INFO  L138                Inliner]: procedures = 269, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84
[2023-11-01 18:00:03,392 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-01 18:00:03,393 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-01 18:00:03,393 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-01 18:00:03,393 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-11-01 18:00:03,401 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,401 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,404 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,404 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,410 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,413 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,415 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,416 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,418 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-01 18:00:03,419 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-01 18:00:03,419 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-11-01 18:00:03,419 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-11-01 18:00:03,420 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (1/1) ...
[2023-11-01 18:00:03,426 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-01 18:00:03,433 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-11-01 18:00:03,448 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)
[2023-11-01 18:00:03,451 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
[2023-11-01 18:00:03,475 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-01 18:00:03,476 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-01 18:00:03,476 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-01 18:00:03,476 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-01 18:00:03,476 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-01 18:00:03,476 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-01 18:00:03,476 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-01 18:00:03,476 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-01 18:00:03,477 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-01 18:00:03,477 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-01 18:00:03,477 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2023-11-01 18:00:03,477 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2023-11-01 18:00:03,477 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-01 18:00:03,477 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-01 18:00:03,479 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-11-01 18:00:03,614 INFO  L235             CfgBuilder]: Building ICFG
[2023-11-01 18:00:03,616 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-01 18:00:03,811 INFO  L276             CfgBuilder]: Performing block encoding
[2023-11-01 18:00:03,818 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-01 18:00:03,818 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-01 18:00:03,820 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:00:03 BoogieIcfgContainer
[2023-11-01 18:00:03,820 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-01 18:00:03,823 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-01 18:00:03,823 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-11-01 18:00:03,825 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-11-01 18:00:03,825 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 06:00:02" (1/3) ...
[2023-11-01 18:00:03,826 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f20d72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:00:03, skipping insertion in model container
[2023-11-01 18:00:03,826 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:00:03" (2/3) ...
[2023-11-01 18:00:03,826 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f20d72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:00:03, skipping insertion in model container
[2023-11-01 18:00:03,827 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:00:03" (3/3) ...
[2023-11-01 18:00:03,828 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-array-dynamic-race.i
[2023-11-01 18:00:03,834 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-01 18:00:03,842 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-01 18:00:03,842 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-01 18:00:03,842 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-01 18:00:03,882 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-01 18:00:03,908 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 108 places, 109 transitions, 226 flow
[2023-11-01 18:00:03,955 INFO  L130       PetriNetUnfolder]: 6/158 cut-off events.
[2023-11-01 18:00:03,955 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-11-01 18:00:03,959 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 164 conditions, 158 events. 6/158 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 302 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 81. Up to 4 conditions per place. 
[2023-11-01 18:00:03,960 INFO  L82        GeneralOperation]: Start removeDead. Operand has 108 places, 109 transitions, 226 flow
[2023-11-01 18:00:03,963 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 108 places, 109 transitions, 226 flow
[2023-11-01 18:00:03,966 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-01 18:00:03,974 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 109 transitions, 226 flow
[2023-11-01 18:00:03,977 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 109 transitions, 226 flow
[2023-11-01 18:00:03,977 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 108 places, 109 transitions, 226 flow
[2023-11-01 18:00:04,038 INFO  L130       PetriNetUnfolder]: 6/158 cut-off events.
[2023-11-01 18:00:04,038 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-11-01 18:00:04,038 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 164 conditions, 158 events. 6/158 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 302 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 81. Up to 4 conditions per place. 
[2023-11-01 18:00:04,040 INFO  L119        LiptonReduction]: Number of co-enabled transitions 1568
[2023-11-01 18:00:08,675 INFO  L134        LiptonReduction]: Checked pairs total: 2097
[2023-11-01 18:00:08,675 INFO  L136        LiptonReduction]: Total number of compositions: 105
[2023-11-01 18:00:08,691 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-01 18:00:08,696 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;@3d0385d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-01 18:00:08,697 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-11-01 18:00:08,698 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2023-11-01 18:00:08,698 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-01 18:00:08,699 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:00:08,699 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-11-01 18:00:08,700 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2023-11-01 18:00:08,703 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:00:08,704 INFO  L85        PathProgramCache]: Analyzing trace with hash 12504, now seen corresponding path program 1 times
[2023-11-01 18:00:08,710 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:00:08,710 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431002652]
[2023-11-01 18:00:08,711 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:00:08,711 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:00:08,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:00:08,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:00:08,843 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:00:08,843 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431002652]
[2023-11-01 18:00:08,844 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431002652] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:00:08,845 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:00:08,845 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-01 18:00:08,846 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938780279]
[2023-11-01 18:00:08,847 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:00:08,852 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-01 18:00:08,853 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:00:08,868 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-01 18:00:08,869 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-01 18:00:08,871 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 214
[2023-11-01 18:00:08,872 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 50 flow. Second operand  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 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)
[2023-11-01 18:00:08,872 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:00:08,873 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 214
[2023-11-01 18:00:08,873 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:00:08,927 INFO  L130       PetriNetUnfolder]: 19/66 cut-off events.
[2023-11-01 18:00:08,928 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-11-01 18:00:08,928 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 127 conditions, 66 events. 19/66 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 206 event pairs, 18 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 99. Up to 55 conditions per place. 
[2023-11-01 18:00:08,929 INFO  L137   encePairwiseOnDemand]: 210/214 looper letters, 13 selfloop transitions, 0 changer transitions 0/17 dead transitions.
[2023-11-01 18:00:08,929 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 17 transitions, 68 flow
[2023-11-01 18:00:08,931 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-01 18:00:08,933 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-01 18:00:08,939 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 225 transitions.
[2023-11-01 18:00:08,941 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5257009345794392
[2023-11-01 18:00:08,941 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 225 transitions.
[2023-11-01 18:00:08,942 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 225 transitions.
[2023-11-01 18:00:08,943 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:00:08,944 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 225 transitions.
[2023-11-01 18:00:08,946 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 112.5) internal successors, (225), 2 states have internal predecessors, (225), 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)
[2023-11-01 18:00:08,950 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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)
[2023-11-01 18:00:08,951 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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)
[2023-11-01 18:00:08,952 INFO  L175             Difference]: Start difference. First operand has 23 places, 21 transitions, 50 flow. Second operand 2 states and 225 transitions.
[2023-11-01 18:00:08,953 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 17 transitions, 68 flow
[2023-11-01 18:00:08,955 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 17 transitions, 68 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:00:08,956 INFO  L231             Difference]: Finished difference. Result has 20 places, 17 transitions, 42 flow
[2023-11-01 18:00:08,957 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=42, PETRI_PLACES=20, PETRI_TRANSITIONS=17}
[2023-11-01 18:00:08,960 INFO  L288   CegarLoopForPetriNet]: 23 programPoint places, -3 predicate places.
[2023-11-01 18:00:08,961 INFO  L495      AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 42 flow
[2023-11-01 18:00:08,961 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 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)
[2023-11-01 18:00:08,961 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:00:08,961 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-11-01 18:00:08,962 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-01 18:00:08,962 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2023-11-01 18:00:08,963 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:00:08,963 INFO  L85        PathProgramCache]: Analyzing trace with hash 11981218, now seen corresponding path program 1 times
[2023-11-01 18:00:08,963 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:00:08,963 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361118104]
[2023-11-01 18:00:08,963 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:00:08,964 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:00:08,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:00:09,023 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:00:09,024 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:00:09,024 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361118104]
[2023-11-01 18:00:09,025 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361118104] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:00:09,025 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:00:09,025 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-01 18:00:09,026 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012590533]
[2023-11-01 18:00:09,026 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:00:09,028 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-01 18:00:09,028 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:00:09,029 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-01 18:00:09,029 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-01 18:00:09,043 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 214
[2023-11-01 18:00:09,044 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 42 flow. Second operand  has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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)
[2023-11-01 18:00:09,044 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:00:09,044 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 214
[2023-11-01 18:00:09,044 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:00:09,100 INFO  L130       PetriNetUnfolder]: 24/81 cut-off events.
[2023-11-01 18:00:09,100 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-11-01 18:00:09,101 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 161 conditions, 81 events. 24/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 280 event pairs, 13 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 157. Up to 50 conditions per place. 
[2023-11-01 18:00:09,101 INFO  L137   encePairwiseOnDemand]: 210/214 looper letters, 14 selfloop transitions, 3 changer transitions 3/22 dead transitions.
[2023-11-01 18:00:09,101 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 22 transitions, 92 flow
[2023-11-01 18:00:09,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-01 18:00:09,102 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-01 18:00:09,104 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions.
[2023-11-01 18:00:09,104 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5
[2023-11-01 18:00:09,105 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 321 transitions.
[2023-11-01 18:00:09,105 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions.
[2023-11-01 18:00:09,106 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:00:09,106 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions.
[2023-11-01 18:00:09,107 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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)
[2023-11-01 18:00:09,109 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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)
[2023-11-01 18:00:09,109 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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)
[2023-11-01 18:00:09,110 INFO  L175             Difference]: Start difference. First operand has 20 places, 17 transitions, 42 flow. Second operand 3 states and 321 transitions.
[2023-11-01 18:00:09,110 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 22 transitions, 92 flow
[2023-11-01 18:00:09,110 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 22 transitions, 92 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:00:09,111 INFO  L231             Difference]: Finished difference. Result has 24 places, 17 transitions, 57 flow
[2023-11-01 18:00:09,111 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=24, PETRI_TRANSITIONS=17}
[2023-11-01 18:00:09,112 INFO  L288   CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places.
[2023-11-01 18:00:09,112 INFO  L495      AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 57 flow
[2023-11-01 18:00:09,112 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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)
[2023-11-01 18:00:09,112 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:00:09,113 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2023-11-01 18:00:09,113 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-01 18:00:09,113 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2023-11-01 18:00:09,114 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:00:09,114 INFO  L85        PathProgramCache]: Analyzing trace with hash -1330178479, now seen corresponding path program 1 times
[2023-11-01 18:00:09,114 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:00:09,115 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285788319]
[2023-11-01 18:00:09,115 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:00:09,115 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:00:09,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:00:09,158 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-01 18:00:09,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:00:09,191 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-01 18:00:09,191 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-01 18:00:09,192 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining)
[2023-11-01 18:00:09,194 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2023-11-01 18:00:09,194 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2023-11-01 18:00:09,194 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2023-11-01 18:00:09,194 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2023-11-01 18:00:09,195 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2023-11-01 18:00:09,195 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2023-11-01 18:00:09,195 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2023-11-01 18:00:09,195 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-01 18:00:09,195 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-01 18:00:09,197 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-11-01 18:00:09,198 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-11-01 18:00:09,213 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-01 18:00:09,216 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 268 flow
[2023-11-01 18:00:09,242 INFO  L130       PetriNetUnfolder]: 11/276 cut-off events.
[2023-11-01 18:00:09,242 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2023-11-01 18:00:09,243 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 290 conditions, 276 events. 11/276 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 636 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 160. Up to 8 conditions per place. 
[2023-11-01 18:00:09,243 INFO  L82        GeneralOperation]: Start removeDead. Operand has 125 places, 125 transitions, 268 flow
[2023-11-01 18:00:09,244 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 125 places, 125 transitions, 268 flow
[2023-11-01 18:00:09,244 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-01 18:00:09,245 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 125 transitions, 268 flow
[2023-11-01 18:00:09,245 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 125 transitions, 268 flow
[2023-11-01 18:00:09,245 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 268 flow
[2023-11-01 18:00:09,264 INFO  L130       PetriNetUnfolder]: 11/276 cut-off events.
[2023-11-01 18:00:09,264 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2023-11-01 18:00:09,265 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 290 conditions, 276 events. 11/276 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 636 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 160. Up to 8 conditions per place. 
[2023-11-01 18:00:09,267 INFO  L119        LiptonReduction]: Number of co-enabled transitions 3892
[2023-11-01 18:00:13,141 INFO  L134        LiptonReduction]: Checked pairs total: 7634
[2023-11-01 18:00:13,142 INFO  L136        LiptonReduction]: Total number of compositions: 107
[2023-11-01 18:00:13,145 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-01 18:00:13,147 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;@3d0385d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-01 18:00:13,147 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2023-11-01 18:00:13,148 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2023-11-01 18:00:13,148 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-01 18:00:13,148 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:00:13,149 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-11-01 18:00:13,149 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2023-11-01 18:00:13,149 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:00:13,149 INFO  L85        PathProgramCache]: Analyzing trace with hash 20441, now seen corresponding path program 1 times
[2023-11-01 18:00:13,149 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:00:13,150 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140756727]
[2023-11-01 18:00:13,150 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:00:13,150 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:00:13,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:00:13,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:00:13,176 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:00:13,177 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140756727]
[2023-11-01 18:00:13,177 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140756727] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:00:13,177 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:00:13,177 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-01 18:00:13,177 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699868892]
[2023-11-01 18:00:13,178 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:00:13,178 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-01 18:00:13,178 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:00:13,178 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-01 18:00:13,179 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-01 18:00:13,179 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 118 out of 232
[2023-11-01 18:00:13,180 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 84 flow. Second operand  has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 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)
[2023-11-01 18:00:13,180 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:00:13,180 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 232
[2023-11-01 18:00:13,180 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:00:13,285 INFO  L130       PetriNetUnfolder]: 378/759 cut-off events.
[2023-11-01 18:00:13,286 INFO  L131       PetriNetUnfolder]: For 38/38 co-relation queries the response was YES.
[2023-11-01 18:00:13,288 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1466 conditions, 759 events. 378/759 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3813 event pairs, 371 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 519. Up to 666 conditions per place. 
[2023-11-01 18:00:13,291 INFO  L137   encePairwiseOnDemand]: 228/232 looper letters, 21 selfloop transitions, 0 changer transitions 0/29 dead transitions.
[2023-11-01 18:00:13,291 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 118 flow
[2023-11-01 18:00:13,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-01 18:00:13,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-01 18:00:13,293 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 261 transitions.
[2023-11-01 18:00:13,293 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5625
[2023-11-01 18:00:13,293 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 261 transitions.
[2023-11-01 18:00:13,293 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 261 transitions.
[2023-11-01 18:00:13,294 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:00:13,294 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 261 transitions.
[2023-11-01 18:00:13,295 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 130.5) internal successors, (261), 2 states have internal predecessors, (261), 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)
[2023-11-01 18:00:13,296 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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)
[2023-11-01 18:00:13,297 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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)
[2023-11-01 18:00:13,297 INFO  L175             Difference]: Start difference. First operand has 36 places, 33 transitions, 84 flow. Second operand 2 states and 261 transitions.
[2023-11-01 18:00:13,297 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 118 flow
[2023-11-01 18:00:13,298 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 29 transitions, 118 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:00:13,299 INFO  L231             Difference]: Finished difference. Result has 33 places, 29 transitions, 76 flow
[2023-11-01 18:00:13,299 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=76, PETRI_PLACES=33, PETRI_TRANSITIONS=29}
[2023-11-01 18:00:13,299 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, -3 predicate places.
[2023-11-01 18:00:13,300 INFO  L495      AbstractCegarLoop]: Abstraction has has 33 places, 29 transitions, 76 flow
[2023-11-01 18:00:13,300 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 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)
[2023-11-01 18:00:13,300 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:00:13,300 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-11-01 18:00:13,300 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-01 18:00:13,301 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2023-11-01 18:00:13,301 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:00:13,301 INFO  L85        PathProgramCache]: Analyzing trace with hash 19618577, now seen corresponding path program 1 times
[2023-11-01 18:00:13,301 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:00:13,302 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137578872]
[2023-11-01 18:00:13,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:00:13,302 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:00:13,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:00:13,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:00:13,327 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:00:13,328 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137578872]
[2023-11-01 18:00:13,328 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137578872] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:00:13,328 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:00:13,328 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-01 18:00:13,328 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558171033]
[2023-11-01 18:00:13,328 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:00:13,329 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-01 18:00:13,329 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:00:13,329 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-01 18:00:13,330 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-01 18:00:13,344 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 113 out of 232
[2023-11-01 18:00:13,345 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 29 transitions, 76 flow. Second operand  has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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)
[2023-11-01 18:00:13,345 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:00:13,345 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 232
[2023-11-01 18:00:13,345 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:00:13,481 INFO  L130       PetriNetUnfolder]: 679/1281 cut-off events.
[2023-11-01 18:00:13,481 INFO  L131       PetriNetUnfolder]: For 42/42 co-relation queries the response was YES.
[2023-11-01 18:00:13,483 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2525 conditions, 1281 events. 679/1281 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6792 event pairs, 416 based on Foata normal form. 0/1156 useless extension candidates. Maximal degree in co-relation 2520. Up to 850 conditions per place. 
[2023-11-01 18:00:13,487 INFO  L137   encePairwiseOnDemand]: 227/232 looper letters, 32 selfloop transitions, 4 changer transitions 0/41 dead transitions.
[2023-11-01 18:00:13,487 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 172 flow
[2023-11-01 18:00:13,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-01 18:00:13,488 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-01 18:00:13,489 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions.
[2023-11-01 18:00:13,489 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5402298850574713
[2023-11-01 18:00:13,490 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 376 transitions.
[2023-11-01 18:00:13,490 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions.
[2023-11-01 18:00:13,490 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:00:13,491 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions.
[2023-11-01 18:00:13,491 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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)
[2023-11-01 18:00:13,493 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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)
[2023-11-01 18:00:13,494 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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)
[2023-11-01 18:00:13,494 INFO  L175             Difference]: Start difference. First operand has 33 places, 29 transitions, 76 flow. Second operand 3 states and 376 transitions.
[2023-11-01 18:00:13,494 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 172 flow
[2023-11-01 18:00:13,495 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 172 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:00:13,496 INFO  L231             Difference]: Finished difference. Result has 37 places, 32 transitions, 106 flow
[2023-11-01 18:00:13,496 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=37, PETRI_TRANSITIONS=32}
[2023-11-01 18:00:13,497 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places.
[2023-11-01 18:00:13,497 INFO  L495      AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 106 flow
[2023-11-01 18:00:13,497 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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)
[2023-11-01 18:00:13,498 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:00:13,498 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-01 18:00:13,498 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-01 18:00:13,498 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2023-11-01 18:00:13,499 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:00:13,499 INFO  L85        PathProgramCache]: Analyzing trace with hash 1542766331, now seen corresponding path program 1 times
[2023-11-01 18:00:13,499 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:00:13,499 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817918915]
[2023-11-01 18:00:13,499 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:00:13,499 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:00:13,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:00:13,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:00:13,532 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:00:13,532 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817918915]
[2023-11-01 18:00:13,533 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817918915] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:00:13,533 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:00:13,533 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-01 18:00:13,533 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054828487]
[2023-11-01 18:00:13,533 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:00:13,534 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-01 18:00:13,534 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:00:13,534 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-01 18:00:13,534 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-01 18:00:13,548 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 111 out of 232
[2023-11-01 18:00:13,548 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 106 flow. Second operand  has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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)
[2023-11-01 18:00:13,549 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:00:13,549 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 232
[2023-11-01 18:00:13,549 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:00:13,754 INFO  L130       PetriNetUnfolder]: 739/1420 cut-off events.
[2023-11-01 18:00:13,755 INFO  L131       PetriNetUnfolder]: For 329/329 co-relation queries the response was YES.
[2023-11-01 18:00:13,756 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3150 conditions, 1420 events. 739/1420 cut-off events. For 329/329 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8161 event pairs, 430 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 3143. Up to 943 conditions per place. 
[2023-11-01 18:00:13,761 INFO  L137   encePairwiseOnDemand]: 226/232 looper letters, 35 selfloop transitions, 7 changer transitions 0/49 dead transitions.
[2023-11-01 18:00:13,761 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 49 transitions, 242 flow
[2023-11-01 18:00:13,762 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-01 18:00:13,762 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-01 18:00:13,763 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions.
[2023-11-01 18:00:13,763 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5359195402298851
[2023-11-01 18:00:13,763 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 373 transitions.
[2023-11-01 18:00:13,763 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions.
[2023-11-01 18:00:13,764 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:00:13,764 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions.
[2023-11-01 18:00:13,765 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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)
[2023-11-01 18:00:13,766 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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)
[2023-11-01 18:00:13,767 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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)
[2023-11-01 18:00:13,767 INFO  L175             Difference]: Start difference. First operand has 37 places, 32 transitions, 106 flow. Second operand 3 states and 373 transitions.
[2023-11-01 18:00:13,767 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 49 transitions, 242 flow
[2023-11-01 18:00:13,771 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 49 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-01 18:00:13,772 INFO  L231             Difference]: Finished difference. Result has 39 places, 37 transitions, 154 flow
[2023-11-01 18:00:13,772 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=39, PETRI_TRANSITIONS=37}
[2023-11-01 18:00:13,772 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 3 predicate places.
[2023-11-01 18:00:13,773 INFO  L495      AbstractCegarLoop]: Abstraction has has 39 places, 37 transitions, 154 flow
[2023-11-01 18:00:13,773 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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)
[2023-11-01 18:00:13,773 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:00:13,773 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-01 18:00:13,773 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-01 18:00:13,774 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2023-11-01 18:00:13,774 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:00:13,774 INFO  L85        PathProgramCache]: Analyzing trace with hash 446003033, now seen corresponding path program 1 times
[2023-11-01 18:00:13,774 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:00:13,775 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115500281]
[2023-11-01 18:00:13,775 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:00:13,775 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:00:13,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:00:13,804 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-01 18:00:13,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:00:13,820 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-01 18:00:13,820 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-01 18:00:13,820 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining)
[2023-11-01 18:00:13,821 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2023-11-01 18:00:13,821 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2023-11-01 18:00:13,821 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2023-11-01 18:00:13,821 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2023-11-01 18:00:13,822 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining)
[2023-11-01 18:00:13,822 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2023-11-01 18:00:13,822 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2023-11-01 18:00:13,822 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2023-11-01 18:00:13,823 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-01 18:00:13,823 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-01 18:00:13,827 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances
[2023-11-01 18:00:13,827 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-01 18:00:13,855 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 06:00:13 BasicIcfg
[2023-11-01 18:00:13,855 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-01 18:00:13,856 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-01 18:00:13,856 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2023-11-01 18:00:13,856 INFO  L275        PluginConnector]: Witness Printer initialized
[2023-11-01 18:00:13,857 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:00:03" (3/4) ...
[2023-11-01 18:00:13,860 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-01 18:00:13,860 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-01 18:00:13,860 INFO  L158              Benchmark]: Toolchain (without parser) took 10918.42ms. Allocated memory was 172.0MB in the beginning and 406.8MB in the end (delta: 234.9MB). Free memory was 132.7MB in the beginning and 325.4MB in the end (delta: -192.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB.
[2023-11-01 18:00:13,861 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-01 18:00:13,861 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 407.92ms. Allocated memory is still 172.0MB. Free memory was 132.2MB in the beginning and 104.7MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2023-11-01 18:00:13,862 INFO  L158              Benchmark]: Boogie Procedure Inliner took 40.49ms. Allocated memory is still 172.0MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-01 18:00:13,862 INFO  L158              Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-01 18:00:13,862 INFO  L158              Benchmark]: RCFGBuilder took 401.46ms. Allocated memory is still 172.0MB. Free memory was 99.9MB in the beginning and 83.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-01 18:00:13,863 INFO  L158              Benchmark]: TraceAbstraction took 10032.50ms. Allocated memory was 172.0MB in the beginning and 406.8MB in the end (delta: 234.9MB). Free memory was 83.1MB in the beginning and 326.5MB in the end (delta: -243.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-01 18:00:13,863 INFO  L158              Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 406.8MB. Free memory is still 325.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-01 18:00:13,865 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 407.92ms. Allocated memory is still 172.0MB. Free memory was 132.2MB in the beginning and 104.7MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 40.49ms. Allocated memory is still 172.0MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 25.85ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 401.46ms. Allocated memory is still 172.0MB. Free memory was 99.9MB in the beginning and 83.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 10032.50ms. Allocated memory was 172.0MB in the beginning and 406.8MB in the end (delta: 234.9MB). Free memory was 83.1MB in the beginning and 326.5MB in the end (delta: -243.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 4.12ms. Allocated memory is still 406.8MB. Free memory is still 325.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.7s, 108 PlacesBefore, 23 PlacesAfterwards, 109 TransitionsBefore, 21 TransitionsAfterwards, 1568 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 105 TotalNumberOfCompositions, 2097 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1680, independent: 1610, independent conditional: 0, independent unconditional: 1610, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 856, independent: 838, independent conditional: 0, independent unconditional: 838, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1680, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 856, unknown conditional: 0, unknown unconditional: 856] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 3.9s, 125 PlacesBefore, 36 PlacesAfterwards, 125 TransitionsBefore, 33 TransitionsAfterwards, 3892 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 107 TotalNumberOfCompositions, 7634 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4256, independent: 4087, independent conditional: 0, independent unconditional: 4087, dependent: 169, dependent conditional: 0, dependent unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2014, independent: 1979, independent conditional: 0, independent unconditional: 1979, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4256, independent: 2108, independent conditional: 0, independent unconditional: 2108, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 2014, unknown conditional: 0, unknown unconditional: 2014] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - DataRaceFoundResult [Line: 1032]: Data race detected
    Data race detected
The following path leads to a data race: 
[L1013]               0  int data = 0;
[L1014]               0  pthread_mutex_t data_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L1022]               0  int threads_total = __VERIFIER_nondet_int();
[L1023]  CALL         0  assume_abort_if_not(threads_total >= 0)
[L1010]  COND FALSE   0  !(!cond)
[L1023]  RET          0  assume_abort_if_not(threads_total >= 0)
[L1024]               0  pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
[L1024]               0  pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
[L1025]               0  int i = 0;
         VAL             [data=0, data_mutex={1:0}, i=0, threads_total=1, tids={5:0}]
[L1025]  COND TRUE    0  i < threads_total
[L1026]  EXPR         0  \read(*tids)
[L1026]  EXPR         0  tids[i]
[L1026]  FCALL, FORK  0  pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
         VAL             [\read(*tids)={-1:0}, arg={0:0}, data=0, data_mutex={1:0}, i=0, pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))=0, threads_total=1, tids={5:0}]
[L1025]               0  i++
         VAL             [arg={0:0}, data=0, data_mutex={1:0}, i=1, threads_total=1, tids={5:0}]
[L1025]  COND FALSE   0  !(i < threads_total)
[L1028]               0  int i = 0;
         VAL             [arg={0:0}, data=0, data_mutex={1:0}, i=0, i=1, threads_total=1, tids={5:0}]
[L1028]  COND FALSE   0  !(i < threads_total - 1)
[L1031]  EXPR         0  \read(*tids)
[L1031]               0  free(tids)
[L1032]               0  return data;
         VAL             [arg={0:0}, data=0, data_mutex={1:0}, i=0, i=1, threads_total=1, tids={5:0}]
[L1017]               1  data = __VERIFIER_nondet_int()
         VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=25, data_mutex={1:0}]
[L1032]               0  return data;
         VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=25, data_mutex={1:0}, i=1, i=0, threads_total=1, tids={5:0}]

Now there is a data race on ~data~0 between 
	C: data = __VERIFIER_nondet_int() [1017]
and
	C: return data; [1032]

  - UnprovableResult [Line: 1026]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1029]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1031]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1029]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1026]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1017]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 121 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
    CFG has 4 procedures, 136 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 10 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-11-01 18:00:13,901 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
