./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-counter-inner-race-2.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-counter-inner-race-2.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 8329c843d987ac5d047b2090f67bd1d298c46025cba3875dfc0ea883a633a2fa
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2024-03-11 23:12:04,991 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2024-03-11 23:12:04,993 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2024-03-11 23:12:05,016 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2024-03-11 23:12:05,016 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2024-03-11 23:12:05,017 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2024-03-11 23:12:05,018 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2024-03-11 23:12:05,019 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2024-03-11 23:12:05,020 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2024-03-11 23:12:05,021 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2024-03-11 23:12:05,022 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2024-03-11 23:12:05,023 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2024-03-11 23:12:05,023 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2024-03-11 23:12:05,024 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2024-03-11 23:12:05,024 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2024-03-11 23:12:05,025 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2024-03-11 23:12:05,026 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2024-03-11 23:12:05,026 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2024-03-11 23:12:05,028 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2024-03-11 23:12:05,029 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2024-03-11 23:12:05,030 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2024-03-11 23:12:05,031 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2024-03-11 23:12:05,032 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2024-03-11 23:12:05,032 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2024-03-11 23:12:05,035 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2024-03-11 23:12:05,035 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2024-03-11 23:12:05,036 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2024-03-11 23:12:05,036 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2024-03-11 23:12:05,037 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2024-03-11 23:12:05,038 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2024-03-11 23:12:05,039 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2024-03-11 23:12:05,040 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2024-03-11 23:12:05,041 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2024-03-11 23:12:05,041 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2024-03-11 23:12:05,042 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2024-03-11 23:12:05,042 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2024-03-11 23:12:05,043 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2024-03-11 23:12:05,043 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2024-03-11 23:12:05,043 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2024-03-11 23:12:05,044 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2024-03-11 23:12:05,044 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2024-03-11 23:12:05,045 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-03-11 23:12:05,061 INFO  L113        SettingsManager]: Loading preferences was successful
[2024-03-11 23:12:05,061 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2024-03-11 23:12:05,062 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-03-11 23:12:05,062 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-03-11 23:12:05,062 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-03-11 23:12:05,063 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-03-11 23:12:05,064 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-03-11 23:12:05,064 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2024-03-11 23:12:05,064 INFO  L138        SettingsManager]:  * Use SBE=true
[2024-03-11 23:12:05,064 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-03-11 23:12:05,064 INFO  L138        SettingsManager]:  * sizeof long=4
[2024-03-11 23:12:05,064 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2024-03-11 23:12:05,065 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-03-11 23:12:05,065 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2024-03-11 23:12:05,065 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2024-03-11 23:12:05,065 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-03-11 23:12:05,065 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-03-11 23:12:05,065 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-03-11 23:12:05,066 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-03-11 23:12:05,066 INFO  L138        SettingsManager]:  * sizeof long double=12
[2024-03-11 23:12:05,066 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2024-03-11 23:12:05,066 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2024-03-11 23:12:05,066 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-03-11 23:12:05,066 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-03-11 23:12:05,067 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-03-11 23:12:05,067 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-03-11 23:12:05,067 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-11 23:12:05,067 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-03-11 23:12:05,067 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-03-11 23:12:05,067 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-03-11 23:12:05,068 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-03-11 23:12:05,068 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-03-11 23:12:05,068 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-03-11 23:12:05,068 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-03-11 23:12:05,068 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-03-11 23:12:05,068 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-03-11 23:12:05,069 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2024-03-11 23:12:05,069 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 -> 8329c843d987ac5d047b2090f67bd1d298c46025cba3875dfc0ea883a633a2fa
[2024-03-11 23:12:05,270 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-03-11 23:12:05,289 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-03-11 23:12:05,291 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-03-11 23:12:05,292 INFO  L271        PluginConnector]: Initializing CDTParser...
[2024-03-11 23:12:05,293 INFO  L275        PluginConnector]: CDTParser initialized
[2024-03-11 23:12:05,294 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-inner-race-2.i
[2024-03-11 23:12:06,360 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2024-03-11 23:12:06,533 INFO  L351              CDTParser]: Found 1 translation units.
[2024-03-11 23:12:06,533 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-inner-race-2.i
[2024-03-11 23:12:06,542 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/5988a30d5/f5b33469ff1c4f69919564cb18c89a0d/FLAG27437e51a
[2024-03-11 23:12:06,556 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/5988a30d5/f5b33469ff1c4f69919564cb18c89a0d
[2024-03-11 23:12:06,558 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-03-11 23:12:06,559 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-03-11 23:12:06,560 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-03-11 23:12:06,560 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-03-11 23:12:06,563 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-03-11 23:12:06,563 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,564 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6574f193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06, skipping insertion in model container
[2024-03-11 23:12:06,564 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,570 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2024-03-11 23:12:06,599 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2024-03-11 23:12:06,790 WARN  L623        FunctionHandler]: Unknown extern function pthread_detach
[2024-03-11 23:12:06,792 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-11 23:12:06,804 INFO  L203         MainTranslator]: Completed pre-run
[2024-03-11 23:12:06,830 WARN  L623        FunctionHandler]: Unknown extern function pthread_detach
[2024-03-11 23:12:06,833 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-11 23:12:06,859 INFO  L208         MainTranslator]: Completed translation
[2024-03-11 23:12:06,860 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06 WrapperNode
[2024-03-11 23:12:06,860 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-03-11 23:12:06,861 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-03-11 23:12:06,861 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-03-11 23:12:06,861 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2024-03-11 23:12:06,866 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,877 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,893 INFO  L138                Inliner]: procedures = 159, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111
[2024-03-11 23:12:06,894 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-03-11 23:12:06,894 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-03-11 23:12:06,894 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2024-03-11 23:12:06,895 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2024-03-11 23:12:06,901 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,901 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,904 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,904 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,910 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,912 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,914 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,915 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,917 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-03-11 23:12:06,918 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-03-11 23:12:06,918 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2024-03-11 23:12:06,918 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2024-03-11 23:12:06,919 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (1/1) ...
[2024-03-11 23:12:06,923 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-11 23:12:06,931 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 23:12:06,960 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)
[2024-03-11 23:12:06,964 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
[2024-03-11 23:12:06,986 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-03-11 23:12:06,986 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-03-11 23:12:06,986 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-03-11 23:12:06,987 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-03-11 23:12:06,987 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-03-11 23:12:06,987 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-03-11 23:12:06,987 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_detach
[2024-03-11 23:12:06,987 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-03-11 23:12:06,987 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-03-11 23:12:06,988 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-03-11 23:12:06,988 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-03-11 23:12:06,988 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-03-11 23:12:06,990 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2024-03-11 23:12:07,112 INFO  L235             CfgBuilder]: Building ICFG
[2024-03-11 23:12:07,113 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-03-11 23:12:07,343 INFO  L276             CfgBuilder]: Performing block encoding
[2024-03-11 23:12:07,350 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-03-11 23:12:07,351 INFO  L300             CfgBuilder]: Removed 4 assume(true) statements.
[2024-03-11 23:12:07,352 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:12:07 BoogieIcfgContainer
[2024-03-11 23:12:07,353 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-03-11 23:12:07,354 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-03-11 23:12:07,355 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2024-03-11 23:12:07,357 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2024-03-11 23:12:07,357 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:12:06" (1/3) ...
[2024-03-11 23:12:07,358 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e754e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:12:07, skipping insertion in model container
[2024-03-11 23:12:07,358 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:12:06" (2/3) ...
[2024-03-11 23:12:07,358 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e754e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:12:07, skipping insertion in model container
[2024-03-11 23:12:07,358 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:12:07" (3/3) ...
[2024-03-11 23:12:07,359 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-counter-inner-race-2.i
[2024-03-11 23:12:07,365 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-03-11 23:12:07,398 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-03-11 23:12:07,398 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations.
[2024-03-11 23:12:07,398 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-03-11 23:12:07,455 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-03-11 23:12:07,484 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 172 places, 177 transitions, 359 flow
[2024-03-11 23:12:07,550 INFO  L130       PetriNetUnfolder]: 13/224 cut-off events.
[2024-03-11 23:12:07,550 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:12:07,556 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 229 conditions, 224 events. 13/224 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 397 event pairs, 0 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 119. Up to 4 conditions per place. 
[2024-03-11 23:12:07,556 INFO  L82        GeneralOperation]: Start removeDead. Operand has 172 places, 177 transitions, 359 flow
[2024-03-11 23:12:07,560 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 172 places, 177 transitions, 359 flow
[2024-03-11 23:12:07,563 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 23:12:07,571 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 177 transitions, 359 flow
[2024-03-11 23:12:07,573 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 177 transitions, 359 flow
[2024-03-11 23:12:07,574 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 172 places, 177 transitions, 359 flow
[2024-03-11 23:12:07,605 INFO  L130       PetriNetUnfolder]: 13/224 cut-off events.
[2024-03-11 23:12:07,606 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:12:07,607 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 229 conditions, 224 events. 13/224 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 397 event pairs, 0 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 119. Up to 4 conditions per place. 
[2024-03-11 23:12:07,610 INFO  L119        LiptonReduction]: Number of co-enabled transitions 7128
[2024-03-11 23:12:10,479 INFO  L134        LiptonReduction]: Checked pairs total: 35012
[2024-03-11 23:12:10,479 INFO  L136        LiptonReduction]: Total number of compositions: 116
[2024-03-11 23:12:10,491 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:12:10,496 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;@7d110bd3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 23:12:10,496 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2024-03-11 23:12:10,499 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2024-03-11 23:12:10,499 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:12:10,500 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:12:10,500 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-11 23:12:10,500 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2024-03-11 23:12:10,504 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:12:10,504 INFO  L85        PathProgramCache]: Analyzing trace with hash 18283864, now seen corresponding path program 1 times
[2024-03-11 23:12:10,511 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:12:10,511 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798565877]
[2024-03-11 23:12:10,511 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:12:10,511 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:12:10,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:12:10,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:12:10,659 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:12:10,660 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798565877]
[2024-03-11 23:12:10,660 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798565877] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:12:10,660 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:12:10,660 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:12:10,661 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027501068]
[2024-03-11 23:12:10,662 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:12:10,668 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:12:10,668 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:12:10,683 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:12:10,684 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:12:10,714 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 157 out of 293
[2024-03-11 23:12:10,719 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 70 transitions, 145 flow. Second operand  has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:10,719 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:12:10,719 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 293
[2024-03-11 23:12:10,721 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:12:10,888 INFO  L130       PetriNetUnfolder]: 359/1128 cut-off events.
[2024-03-11 23:12:10,888 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:12:10,891 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1840 conditions, 1128 events. 359/1128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7200 event pairs, 81 based on Foata normal form. 25/1024 useless extension candidates. Maximal degree in co-relation 1787. Up to 409 conditions per place. 
[2024-03-11 23:12:10,895 INFO  L137   encePairwiseOnDemand]: 277/293 looper letters, 52 selfloop transitions, 8 changer transitions 0/90 dead transitions.
[2024-03-11 23:12:10,896 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 90 transitions, 305 flow
[2024-03-11 23:12:10,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:12:10,899 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:12:10,906 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions.
[2024-03-11 23:12:10,908 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6177474402730375
[2024-03-11 23:12:10,909 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 543 transitions.
[2024-03-11 23:12:10,909 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions.
[2024-03-11 23:12:10,911 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:12:10,913 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions.
[2024-03-11 23:12:10,917 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:10,922 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 293.0) internal successors, (1172), 4 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:10,923 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 293.0) internal successors, (1172), 4 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:10,924 INFO  L175             Difference]: Start difference. First operand has 67 places, 70 transitions, 145 flow. Second operand 3 states and 543 transitions.
[2024-03-11 23:12:10,925 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 90 transitions, 305 flow
[2024-03-11 23:12:10,927 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 90 transitions, 305 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:12:10,929 INFO  L231             Difference]: Finished difference. Result has 68 places, 70 transitions, 193 flow
[2024-03-11 23:12:10,931 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=68, PETRI_TRANSITIONS=70}
[2024-03-11 23:12:10,934 INFO  L288   CegarLoopForPetriNet]: 67 programPoint places, 1 predicate places.
[2024-03-11 23:12:10,934 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 70 transitions, 193 flow
[2024-03-11 23:12:10,935 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:10,935 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:12:10,935 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-03-11 23:12:10,936 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-03-11 23:12:10,936 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2024-03-11 23:12:10,936 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:12:10,936 INFO  L85        PathProgramCache]: Analyzing trace with hash 400358302, now seen corresponding path program 1 times
[2024-03-11 23:12:10,937 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:12:10,937 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989001049]
[2024-03-11 23:12:10,937 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:12:10,937 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:12:10,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:12:10,970 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:12:10,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:12:11,005 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:12:11,006 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:12:11,007 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining)
[2024-03-11 23:12:11,008 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining)
[2024-03-11 23:12:11,009 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining)
[2024-03-11 23:12:11,009 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining)
[2024-03-11 23:12:11,009 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining)
[2024-03-11 23:12:11,009 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining)
[2024-03-11 23:12:11,010 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining)
[2024-03-11 23:12:11,010 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining)
[2024-03-11 23:12:11,010 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining)
[2024-03-11 23:12:11,010 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining)
[2024-03-11 23:12:11,010 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining)
[2024-03-11 23:12:11,011 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining)
[2024-03-11 23:12:11,011 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining)
[2024-03-11 23:12:11,011 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining)
[2024-03-11 23:12:11,011 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining)
[2024-03-11 23:12:11,012 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining)
[2024-03-11 23:12:11,012 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining)
[2024-03-11 23:12:11,012 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining)
[2024-03-11 23:12:11,012 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-03-11 23:12:11,013 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-03-11 23:12:11,015 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:12:11,015 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-03-11 23:12:11,034 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-03-11 23:12:11,038 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 227 places, 232 transitions, 476 flow
[2024-03-11 23:12:11,066 INFO  L130       PetriNetUnfolder]: 20/344 cut-off events.
[2024-03-11 23:12:11,067 INFO  L131       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2024-03-11 23:12:11,069 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 354 conditions, 344 events. 20/344 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 811 event pairs, 0 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 225. Up to 6 conditions per place. 
[2024-03-11 23:12:11,069 INFO  L82        GeneralOperation]: Start removeDead. Operand has 227 places, 232 transitions, 476 flow
[2024-03-11 23:12:11,071 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 227 places, 232 transitions, 476 flow
[2024-03-11 23:12:11,072 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 23:12:11,072 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 232 transitions, 476 flow
[2024-03-11 23:12:11,072 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 232 transitions, 476 flow
[2024-03-11 23:12:11,072 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 227 places, 232 transitions, 476 flow
[2024-03-11 23:12:11,100 INFO  L130       PetriNetUnfolder]: 20/344 cut-off events.
[2024-03-11 23:12:11,100 INFO  L131       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2024-03-11 23:12:11,102 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 354 conditions, 344 events. 20/344 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 811 event pairs, 0 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 225. Up to 6 conditions per place. 
[2024-03-11 23:12:11,112 INFO  L119        LiptonReduction]: Number of co-enabled transitions 20196
[2024-03-11 23:12:14,259 INFO  L134        LiptonReduction]: Checked pairs total: 116519
[2024-03-11 23:12:14,259 INFO  L136        LiptonReduction]: Total number of compositions: 134
[2024-03-11 23:12:14,262 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:12:14,263 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;@7d110bd3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 23:12:14,263 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2024-03-11 23:12:14,264 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2024-03-11 23:12:14,265 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:12:14,265 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:12:14,265 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-11 23:12:14,265 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-03-11 23:12:14,265 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:12:14,266 INFO  L85        PathProgramCache]: Analyzing trace with hash 31240631, now seen corresponding path program 1 times
[2024-03-11 23:12:14,266 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:12:14,266 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379681668]
[2024-03-11 23:12:14,266 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:12:14,266 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:12:14,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:12:14,310 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:12:14,311 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:12:14,311 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379681668]
[2024-03-11 23:12:14,311 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379681668] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:12:14,311 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:12:14,311 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:12:14,312 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306660040]
[2024-03-11 23:12:14,312 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:12:14,312 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:12:14,312 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:12:14,313 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:12:14,313 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:12:14,349 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 202 out of 366
[2024-03-11 23:12:14,349 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 110 transitions, 232 flow. Second operand  has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:14,350 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:12:14,350 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 366
[2024-03-11 23:12:14,350 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:12:16,639 INFO  L130       PetriNetUnfolder]: 18680/38085 cut-off events.
[2024-03-11 23:12:16,640 INFO  L131       PetriNetUnfolder]: For 52/52 co-relation queries the response was YES.
[2024-03-11 23:12:16,687 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 66432 conditions, 38085 events. 18680/38085 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 939. Compared 372589 event pairs, 5991 based on Foata normal form. 1080/35040 useless extension candidates. Maximal degree in co-relation 45324. Up to 15394 conditions per place. 
[2024-03-11 23:12:16,828 INFO  L137   encePairwiseOnDemand]: 339/366 looper letters, 94 selfloop transitions, 16 changer transitions 0/156 dead transitions.
[2024-03-11 23:12:16,828 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 156 transitions, 549 flow
[2024-03-11 23:12:16,829 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:12:16,829 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:12:16,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 732 transitions.
[2024-03-11 23:12:16,832 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6666666666666666
[2024-03-11 23:12:16,832 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 732 transitions.
[2024-03-11 23:12:16,832 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 732 transitions.
[2024-03-11 23:12:16,833 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:12:16,833 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 732 transitions.
[2024-03-11 23:12:16,834 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:16,837 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:16,838 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:16,838 INFO  L175             Difference]: Start difference. First operand has 107 places, 110 transitions, 232 flow. Second operand 3 states and 732 transitions.
[2024-03-11 23:12:16,838 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 156 transitions, 549 flow
[2024-03-11 23:12:16,839 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 156 transitions, 547 flow, removed 1 selfloop flow, removed 0 redundant places.
[2024-03-11 23:12:16,841 INFO  L231             Difference]: Finished difference. Result has 110 places, 121 transitions, 360 flow
[2024-03-11 23:12:16,842 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=110, PETRI_TRANSITIONS=121}
[2024-03-11 23:12:16,842 INFO  L288   CegarLoopForPetriNet]: 107 programPoint places, 3 predicate places.
[2024-03-11 23:12:16,843 INFO  L495      AbstractCegarLoop]: Abstraction has has 110 places, 121 transitions, 360 flow
[2024-03-11 23:12:16,843 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:16,843 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:12:16,843 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:12:16,843 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-03-11 23:12:16,844 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-03-11 23:12:16,844 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:12:16,844 INFO  L85        PathProgramCache]: Analyzing trace with hash 59417261, now seen corresponding path program 1 times
[2024-03-11 23:12:16,844 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:12:16,845 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910545180]
[2024-03-11 23:12:16,845 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:12:16,845 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:12:16,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:12:16,872 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:12:16,872 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:12:16,872 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910545180]
[2024-03-11 23:12:16,873 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910545180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:12:16,873 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:12:16,873 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:12:16,873 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626209207]
[2024-03-11 23:12:16,873 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:12:16,874 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:12:16,874 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:12:16,874 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:12:16,874 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:12:16,889 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 216 out of 366
[2024-03-11 23:12:16,890 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 121 transitions, 360 flow. Second operand  has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:16,890 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:12:16,890 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 366
[2024-03-11 23:12:16,890 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:12:19,019 INFO  L130       PetriNetUnfolder]: 15832/33886 cut-off events.
[2024-03-11 23:12:19,020 INFO  L131       PetriNetUnfolder]: For 6484/6662 co-relation queries the response was YES.
[2024-03-11 23:12:19,073 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 65053 conditions, 33886 events. 15832/33886 cut-off events. For 6484/6662 co-relation queries the response was YES. Maximal size of possible extension queue 933. Compared 345380 event pairs, 10239 based on Foata normal form. 0/29963 useless extension candidates. Maximal degree in co-relation 19711. Up to 21864 conditions per place. 
[2024-03-11 23:12:19,168 INFO  L137   encePairwiseOnDemand]: 361/366 looper letters, 84 selfloop transitions, 4 changer transitions 0/158 dead transitions.
[2024-03-11 23:12:19,168 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 158 transitions, 640 flow
[2024-03-11 23:12:19,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:12:19,169 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:12:19,170 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions.
[2024-03-11 23:12:19,171 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6621129326047359
[2024-03-11 23:12:19,171 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 727 transitions.
[2024-03-11 23:12:19,171 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 727 transitions.
[2024-03-11 23:12:19,171 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:12:19,172 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 727 transitions.
[2024-03-11 23:12:19,173 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:19,175 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:19,176 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:19,176 INFO  L175             Difference]: Start difference. First operand has 110 places, 121 transitions, 360 flow. Second operand 3 states and 727 transitions.
[2024-03-11 23:12:19,176 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 158 transitions, 640 flow
[2024-03-11 23:12:19,189 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 158 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 23:12:19,191 INFO  L231             Difference]: Finished difference. Result has 111 places, 124 transitions, 354 flow
[2024-03-11 23:12:19,192 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=111, PETRI_TRANSITIONS=124}
[2024-03-11 23:12:19,193 INFO  L288   CegarLoopForPetriNet]: 107 programPoint places, 4 predicate places.
[2024-03-11 23:12:19,193 INFO  L495      AbstractCegarLoop]: Abstraction has has 111 places, 124 transitions, 354 flow
[2024-03-11 23:12:19,193 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:19,193 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:12:19,194 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:12:19,194 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-03-11 23:12:19,194 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-03-11 23:12:19,194 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:12:19,194 INFO  L85        PathProgramCache]: Analyzing trace with hash 54254683, now seen corresponding path program 1 times
[2024-03-11 23:12:19,195 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:12:19,195 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939429022]
[2024-03-11 23:12:19,195 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:12:19,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:12:19,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:12:19,222 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:12:19,222 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:12:19,222 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939429022]
[2024-03-11 23:12:19,223 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939429022] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:12:19,223 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:12:19,223 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:12:19,223 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892964764]
[2024-03-11 23:12:19,223 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:12:19,224 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:12:19,224 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:12:19,224 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:12:19,224 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:12:19,259 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 210 out of 366
[2024-03-11 23:12:19,260 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 124 transitions, 354 flow. Second operand  has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:19,260 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:12:19,260 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 366
[2024-03-11 23:12:19,260 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:12:21,477 INFO  L130       PetriNetUnfolder]: 17065/36491 cut-off events.
[2024-03-11 23:12:21,478 INFO  L131       PetriNetUnfolder]: For 5948/7299 co-relation queries the response was YES.
[2024-03-11 23:12:21,540 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 71880 conditions, 36491 events. 17065/36491 cut-off events. For 5948/7299 co-relation queries the response was YES. Maximal size of possible extension queue 981. Compared 371013 event pairs, 10481 based on Foata normal form. 634/32806 useless extension candidates. Maximal degree in co-relation 48784. Up to 23950 conditions per place. 
[2024-03-11 23:12:21,647 INFO  L137   encePairwiseOnDemand]: 357/366 looper letters, 82 selfloop transitions, 15 changer transitions 0/162 dead transitions.
[2024-03-11 23:12:21,647 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 162 transitions, 658 flow
[2024-03-11 23:12:21,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:12:21,648 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:12:21,651 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions.
[2024-03-11 23:12:21,652 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6466302367941712
[2024-03-11 23:12:21,653 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 710 transitions.
[2024-03-11 23:12:21,653 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 710 transitions.
[2024-03-11 23:12:21,654 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:12:21,654 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 710 transitions.
[2024-03-11 23:12:21,657 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:21,659 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:21,659 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:21,660 INFO  L175             Difference]: Start difference. First operand has 111 places, 124 transitions, 354 flow. Second operand 3 states and 710 transitions.
[2024-03-11 23:12:21,660 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 162 transitions, 658 flow
[2024-03-11 23:12:21,673 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 162 transitions, 653 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 23:12:21,675 INFO  L231             Difference]: Finished difference. Result has 113 places, 137 transitions, 473 flow
[2024-03-11 23:12:21,675 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=113, PETRI_TRANSITIONS=137}
[2024-03-11 23:12:21,676 INFO  L288   CegarLoopForPetriNet]: 107 programPoint places, 6 predicate places.
[2024-03-11 23:12:21,676 INFO  L495      AbstractCegarLoop]: Abstraction has has 113 places, 137 transitions, 473 flow
[2024-03-11 23:12:21,677 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:21,677 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:12:21,677 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2024-03-11 23:12:21,677 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-03-11 23:12:21,677 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-03-11 23:12:21,678 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:12:21,678 INFO  L85        PathProgramCache]: Analyzing trace with hash -260743776, now seen corresponding path program 1 times
[2024-03-11 23:12:21,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:12:21,678 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34965685]
[2024-03-11 23:12:21,678 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:12:21,678 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:12:21,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:12:21,700 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:12:21,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:12:21,719 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:12:21,720 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:12:21,720 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining)
[2024-03-11 23:12:21,721 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining)
[2024-03-11 23:12:21,721 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining)
[2024-03-11 23:12:21,721 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining)
[2024-03-11 23:12:21,721 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining)
[2024-03-11 23:12:21,722 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining)
[2024-03-11 23:12:21,722 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining)
[2024-03-11 23:12:21,722 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining)
[2024-03-11 23:12:21,722 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining)
[2024-03-11 23:12:21,722 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining)
[2024-03-11 23:12:21,723 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining)
[2024-03-11 23:12:21,723 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining)
[2024-03-11 23:12:21,723 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining)
[2024-03-11 23:12:21,723 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining)
[2024-03-11 23:12:21,724 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining)
[2024-03-11 23:12:21,724 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining)
[2024-03-11 23:12:21,724 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining)
[2024-03-11 23:12:21,724 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining)
[2024-03-11 23:12:21,724 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining)
[2024-03-11 23:12:21,725 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining)
[2024-03-11 23:12:21,725 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining)
[2024-03-11 23:12:21,725 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining)
[2024-03-11 23:12:21,725 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining)
[2024-03-11 23:12:21,725 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining)
[2024-03-11 23:12:21,726 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-03-11 23:12:21,726 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:12:21,726 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:12:21,727 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-03-11 23:12:21,750 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-03-11 23:12:21,754 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 282 places, 287 transitions, 595 flow
[2024-03-11 23:12:21,807 INFO  L130       PetriNetUnfolder]: 27/464 cut-off events.
[2024-03-11 23:12:21,807 INFO  L131       PetriNetUnfolder]: For 7/7 co-relation queries the response was YES.
[2024-03-11 23:12:21,811 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 480 conditions, 464 events. 27/464 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1238 event pairs, 0 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 348. Up to 8 conditions per place. 
[2024-03-11 23:12:21,811 INFO  L82        GeneralOperation]: Start removeDead. Operand has 282 places, 287 transitions, 595 flow
[2024-03-11 23:12:21,814 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 282 places, 287 transitions, 595 flow
[2024-03-11 23:12:21,814 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 23:12:21,814 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 287 transitions, 595 flow
[2024-03-11 23:12:21,815 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 287 transitions, 595 flow
[2024-03-11 23:12:21,815 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 282 places, 287 transitions, 595 flow
[2024-03-11 23:12:21,863 INFO  L130       PetriNetUnfolder]: 27/464 cut-off events.
[2024-03-11 23:12:21,863 INFO  L131       PetriNetUnfolder]: For 7/7 co-relation queries the response was YES.
[2024-03-11 23:12:21,866 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 480 conditions, 464 events. 27/464 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1238 event pairs, 0 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 348. Up to 8 conditions per place. 
[2024-03-11 23:12:21,881 INFO  L119        LiptonReduction]: Number of co-enabled transitions 39204
[2024-03-11 23:12:26,619 INFO  L134        LiptonReduction]: Checked pairs total: 237752
[2024-03-11 23:12:26,620 INFO  L136        LiptonReduction]: Total number of compositions: 154
[2024-03-11 23:12:26,622 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:12:26,622 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;@7d110bd3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 23:12:26,622 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 30 error locations.
[2024-03-11 23:12:26,624 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2024-03-11 23:12:26,624 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:12:26,624 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:12:26,624 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-11 23:12:26,625 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2024-03-11 23:12:26,625 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:12:26,625 INFO  L85        PathProgramCache]: Analyzing trace with hash 46507095, now seen corresponding path program 1 times
[2024-03-11 23:12:26,625 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:12:26,625 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274950228]
[2024-03-11 23:12:26,626 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:12:26,626 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:12:26,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:12:26,654 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:12:26,654 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:12:26,654 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274950228]
[2024-03-11 23:12:26,654 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274950228] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:12:26,654 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:12:26,655 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:12:26,655 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114596611]
[2024-03-11 23:12:26,655 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:12:26,655 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:12:26,655 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:12:26,656 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:12:26,656 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:12:26,707 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 247 out of 441
[2024-03-11 23:12:26,708 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 147 transitions, 315 flow. Second operand  has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:12:26,708 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:12:26,708 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 441
[2024-03-11 23:12:26,708 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:13:51,288 INFO  L130       PetriNetUnfolder]: 804748/1316363 cut-off events.
[2024-03-11 23:13:51,288 INFO  L131       PetriNetUnfolder]: For 3730/3730 co-relation queries the response was YES.
