./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 bb55f30398447b0cf047f8fc5cb09fb8ee34895939385b1e7c0c06f4fc0001e1
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2023-10-26 09:03:40,944 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-10-26 09:03:40,962 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-10-26 09:03:41,010 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-10-26 09:03:41,010 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-10-26 09:03:41,013 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-10-26 09:03:41,014 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-10-26 09:03:41,016 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-10-26 09:03:41,018 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-10-26 09:03:41,021 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-10-26 09:03:41,023 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-10-26 09:03:41,024 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-10-26 09:03:41,024 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-10-26 09:03:41,026 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-10-26 09:03:41,027 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-10-26 09:03:41,034 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-10-26 09:03:41,035 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-10-26 09:03:41,036 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-10-26 09:03:41,037 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-10-26 09:03:41,042 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-10-26 09:03:41,043 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-10-26 09:03:41,045 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-10-26 09:03:41,060 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-10-26 09:03:41,061 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-10-26 09:03:41,063 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-10-26 09:03:41,063 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-10-26 09:03:41,063 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-10-26 09:03:41,064 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-10-26 09:03:41,064 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-10-26 09:03:41,065 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-10-26 09:03:41,065 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-10-26 09:03:41,065 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-10-26 09:03:41,066 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-10-26 09:03:41,067 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-10-26 09:03:41,067 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-10-26 09:03:41,067 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-10-26 09:03:41,068 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-10-26 09:03:41,068 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-10-26 09:03:41,068 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-10-26 09:03:41,069 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-10-26 09:03:41,069 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-10-26 09:03:41,070 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-10-26 09:03:41,103 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-10-26 09:03:41,104 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-10-26 09:03:41,105 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-10-26 09:03:41,105 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-10-26 09:03:41,105 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-10-26 09:03:41,106 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-10-26 09:03:41,106 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-10-26 09:03:41,106 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-10-26 09:03:41,106 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-10-26 09:03:41,107 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-10-26 09:03:41,107 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-10-26 09:03:41,108 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-10-26 09:03:41,108 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-10-26 09:03:41,108 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-10-26 09:03:41,108 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-10-26 09:03:41,108 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-10-26 09:03:41,108 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-10-26 09:03:41,109 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-10-26 09:03:41,109 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-10-26 09:03:41,109 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-10-26 09:03:41,109 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-10-26 09:03:41,109 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-10-26 09:03:41,109 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-10-26 09:03:41,110 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-10-26 09:03:41,110 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-10-26 09:03:41,110 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-10-26 09:03:41,110 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-10-26 09:03:41,125 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-10-26 09:03:41,126 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-10-26 09:03:41,126 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-10-26 09:03:41,126 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-10-26 09:03:41,126 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-10-26 09:03:41,127 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-10-26 09:03:41,127 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-10-26 09:03:41,128 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-10-26 09:03:41,128 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-10-26 09:03:41,128 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-10-26 09:03:41,128 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 -> bb55f30398447b0cf047f8fc5cb09fb8ee34895939385b1e7c0c06f4fc0001e1
[2023-10-26 09:03:41,508 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-10-26 09:03:41,531 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-10-26 09:03:41,534 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-10-26 09:03:41,535 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-10-26 09:03:41,535 INFO  L275        PluginConnector]: CDTParser initialized
[2023-10-26 09:03:41,536 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-inner-race-2.i
[2023-10-26 09:03:43,332 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-10-26 09:03:43,734 INFO  L351              CDTParser]: Found 1 translation units.
[2023-10-26 09:03:43,734 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-inner-race-2.i
[2023-10-26 09:03:43,767 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/c881f0c94/a3e9b20c46054f6bb81ab5977bba9808/FLAG6767902b5
[2023-10-26 09:03:43,797 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/c881f0c94/a3e9b20c46054f6bb81ab5977bba9808
[2023-10-26 09:03:43,799 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-10-26 09:03:43,800 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-10-26 09:03:43,803 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-10-26 09:03:43,804 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-10-26 09:03:43,806 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-10-26 09:03:43,807 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:03:43" (1/1) ...
[2023-10-26 09:03:43,809 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4072c695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:43, skipping insertion in model container
[2023-10-26 09:03:43,810 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:03:43" (1/1) ...
[2023-10-26 09:03:43,821 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-10-26 09:03:43,890 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-10-26 09:03:44,384 WARN  L623        FunctionHandler]: Unknown extern function pthread_detach
[2023-10-26 09:03:44,388 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-10-26 09:03:44,428 INFO  L203         MainTranslator]: Completed pre-run
[2023-10-26 09:03:44,486 WARN  L623        FunctionHandler]: Unknown extern function pthread_detach
[2023-10-26 09:03:44,508 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-10-26 09:03:44,566 INFO  L208         MainTranslator]: Completed translation
[2023-10-26 09:03:44,581 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44 WrapperNode
[2023-10-26 09:03:44,582 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-10-26 09:03:44,583 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-10-26 09:03:44,583 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-10-26 09:03:44,583 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-10-26 09:03:44,592 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,609 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,659 INFO  L138                Inliner]: procedures = 159, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111
[2023-10-26 09:03:44,673 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-10-26 09:03:44,674 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-10-26 09:03:44,674 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-10-26 09:03:44,675 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-10-26 09:03:44,682 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,683 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,697 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,703 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,711 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,736 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,739 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,743 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,753 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-10-26 09:03:44,754 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-10-26 09:03:44,754 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-10-26 09:03:44,755 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-10-26 09:03:44,755 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (1/1) ...
[2023-10-26 09:03:44,776 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-10-26 09:03:44,793 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-10-26 09:03:44,807 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-10-26 09:03:44,844 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-10-26 09:03:44,851 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-10-26 09:03:44,851 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-10-26 09:03:44,851 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-10-26 09:03:44,853 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-10-26 09:03:44,854 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-10-26 09:03:44,854 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-10-26 09:03:44,854 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_detach
[2023-10-26 09:03:44,855 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-10-26 09:03:44,855 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2023-10-26 09:03:44,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2023-10-26 09:03:44,855 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-10-26 09:03:44,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-10-26 09:03:44,857 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-10-26 09:03:45,042 INFO  L235             CfgBuilder]: Building ICFG
[2023-10-26 09:03:45,044 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-10-26 09:03:45,536 INFO  L276             CfgBuilder]: Performing block encoding
[2023-10-26 09:03:45,543 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-10-26 09:03:45,552 INFO  L300             CfgBuilder]: Removed 4 assume(true) statements.
[2023-10-26 09:03:45,556 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:03:45 BoogieIcfgContainer
[2023-10-26 09:03:45,556 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-10-26 09:03:45,565 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-10-26 09:03:45,565 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-10-26 09:03:45,568 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-10-26 09:03:45,569 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:03:43" (1/3) ...
[2023-10-26 09:03:45,569 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391c3471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:03:45, skipping insertion in model container
[2023-10-26 09:03:45,570 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:03:44" (2/3) ...
[2023-10-26 09:03:45,570 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391c3471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:03:45, skipping insertion in model container
[2023-10-26 09:03:45,571 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:03:45" (3/3) ...
[2023-10-26 09:03:45,572 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-counter-inner-race-2.i
[2023-10-26 09:03:45,579 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-10-26 09:03:45,588 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-10-26 09:03:45,588 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations.
[2023-10-26 09:03:45,588 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-10-26 09:03:45,740 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-10-26 09:03:45,804 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 172 places, 177 transitions, 359 flow
[2023-10-26 09:03:45,980 INFO  L130       PetriNetUnfolder]: 13/224 cut-off events.
[2023-10-26 09:03:45,980 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:03:45,989 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. 
[2023-10-26 09:03:45,993 INFO  L82        GeneralOperation]: Start removeDead. Operand has 172 places, 177 transitions, 359 flow
[2023-10-26 09:03:46,014 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 172 places, 177 transitions, 359 flow
[2023-10-26 09:03:46,017 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-26 09:03:46,047 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 177 transitions, 359 flow
[2023-10-26 09:03:46,051 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 177 transitions, 359 flow
[2023-10-26 09:03:46,052 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 172 places, 177 transitions, 359 flow
[2023-10-26 09:03:46,117 INFO  L130       PetriNetUnfolder]: 13/224 cut-off events.
[2023-10-26 09:03:46,137 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:03:46,140 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. 
[2023-10-26 09:03:46,147 INFO  L119        LiptonReduction]: Number of co-enabled transitions 7128
[2023-10-26 09:03:51,251 INFO  L134        LiptonReduction]: Checked pairs total: 35012
[2023-10-26 09:03:51,251 INFO  L136        LiptonReduction]: Total number of compositions: 116
[2023-10-26 09:03:51,268 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-26 09:03:51,277 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;@cbfae54, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-26 09:03:51,277 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2023-10-26 09:03:51,280 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2023-10-26 09:03:51,281 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:03:51,281 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:03:51,282 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-10-26 09:03:51,298 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)] ===
[2023-10-26 09:03:51,302 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:03:51,303 INFO  L85        PathProgramCache]: Analyzing trace with hash 18283864, now seen corresponding path program 1 times
[2023-10-26 09:03:51,310 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:03:51,310 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434401019]
[2023-10-26 09:03:51,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:03:51,311 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:03:51,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:03:51,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-26 09:03:51,706 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:03:51,707 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434401019]
[2023-10-26 09:03:51,707 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434401019] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:03:51,707 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:03:51,708 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:03:51,709 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904885408]
[2023-10-26 09:03:51,709 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:03:51,728 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:03:51,729 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:03:51,756 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:03:51,763 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:03:51,821 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 157 out of 293
[2023-10-26 09:03:51,826 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)
[2023-10-26 09:03:51,829 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:03:51,829 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 293
[2023-10-26 09:03:51,830 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:03:52,157 INFO  L130       PetriNetUnfolder]: 359/1128 cut-off events.
[2023-10-26 09:03:52,158 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:03:52,160 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. 
[2023-10-26 09:03:52,183 INFO  L137   encePairwiseOnDemand]: 277/293 looper letters, 52 selfloop transitions, 8 changer transitions 0/90 dead transitions.
[2023-10-26 09:03:52,183 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 90 transitions, 305 flow
[2023-10-26 09:03:52,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:03:52,186 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:03:52,208 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions.
[2023-10-26 09:03:52,210 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6177474402730375
[2023-10-26 09:03:52,211 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 543 transitions.
[2023-10-26 09:03:52,212 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions.
[2023-10-26 09:03:52,215 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:03:52,218 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions.
[2023-10-26 09:03:52,232 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)
[2023-10-26 09:03:52,239 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)
[2023-10-26 09:03:52,240 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)
[2023-10-26 09:03:52,241 INFO  L175             Difference]: Start difference. First operand has 67 places, 70 transitions, 145 flow. Second operand 3 states and 543 transitions.
[2023-10-26 09:03:52,258 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 90 transitions, 305 flow
[2023-10-26 09:03:52,261 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 90 transitions, 305 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-10-26 09:03:52,264 INFO  L231             Difference]: Finished difference. Result has 68 places, 70 transitions, 193 flow
[2023-10-26 09:03:52,265 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}
[2023-10-26 09:03:52,269 INFO  L288   CegarLoopForPetriNet]: 67 programPoint places, 1 predicate places.
[2023-10-26 09:03:52,269 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 70 transitions, 193 flow
[2023-10-26 09:03:52,270 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)
[2023-10-26 09:03:52,270 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:03:52,271 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2023-10-26 09:03:52,272 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-10-26 09:03:52,272 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)] ===
[2023-10-26 09:03:52,273 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:03:52,273 INFO  L85        PathProgramCache]: Analyzing trace with hash 400358302, now seen corresponding path program 1 times
[2023-10-26 09:03:52,275 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:03:52,276 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660629352]
[2023-10-26 09:03:52,276 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:03:52,276 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:03:52,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-26 09:03:52,380 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-26 09:03:52,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-26 09:03:52,464 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-26 09:03:52,475 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-26 09:03:52,477 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining)
[2023-10-26 09:03:52,479 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining)
[2023-10-26 09:03:52,480 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining)
[2023-10-26 09:03:52,480 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining)
[2023-10-26 09:03:52,480 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining)
[2023-10-26 09:03:52,480 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining)
[2023-10-26 09:03:52,481 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining)
[2023-10-26 09:03:52,481 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining)
[2023-10-26 09:03:52,481 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining)
[2023-10-26 09:03:52,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining)
[2023-10-26 09:03:52,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining)
[2023-10-26 09:03:52,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining)
[2023-10-26 09:03:52,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining)
[2023-10-26 09:03:52,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining)
[2023-10-26 09:03:52,483 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining)
[2023-10-26 09:03:52,483 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining)
[2023-10-26 09:03:52,483 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining)
[2023-10-26 09:03:52,484 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining)
[2023-10-26 09:03:52,490 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-10-26 09:03:52,490 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-10-26 09:03:52,493 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-10-26 09:03:52,506 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-10-26 09:03:52,553 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-10-26 09:03:52,563 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 227 places, 232 transitions, 476 flow
[2023-10-26 09:03:52,731 INFO  L130       PetriNetUnfolder]: 20/344 cut-off events.
[2023-10-26 09:03:52,732 INFO  L131       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2023-10-26 09:03:52,733 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. 
[2023-10-26 09:03:52,733 INFO  L82        GeneralOperation]: Start removeDead. Operand has 227 places, 232 transitions, 476 flow
[2023-10-26 09:03:52,735 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 227 places, 232 transitions, 476 flow
[2023-10-26 09:03:52,735 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-26 09:03:52,735 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 232 transitions, 476 flow
[2023-10-26 09:03:52,736 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 232 transitions, 476 flow
[2023-10-26 09:03:52,736 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 227 places, 232 transitions, 476 flow
[2023-10-26 09:03:52,798 INFO  L130       PetriNetUnfolder]: 20/344 cut-off events.
[2023-10-26 09:03:52,798 INFO  L131       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2023-10-26 09:03:52,800 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. 
[2023-10-26 09:03:52,817 INFO  L119        LiptonReduction]: Number of co-enabled transitions 20196
[2023-10-26 09:03:58,063 INFO  L134        LiptonReduction]: Checked pairs total: 116519
[2023-10-26 09:03:58,063 INFO  L136        LiptonReduction]: Total number of compositions: 134
[2023-10-26 09:03:58,065 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-26 09:03:58,066 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;@cbfae54, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-26 09:03:58,066 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2023-10-26 09:03:58,068 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2023-10-26 09:03:58,068 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:03:58,068 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:03:58,068 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-10-26 09:03:58,068 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)] ===
[2023-10-26 09:03:58,068 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:03:58,069 INFO  L85        PathProgramCache]: Analyzing trace with hash 31240631, now seen corresponding path program 1 times
[2023-10-26 09:03:58,069 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:03:58,069 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166342910]
[2023-10-26 09:03:58,089 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:03:58,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:03:58,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:03:58,177 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-26 09:03:58,178 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:03:58,178 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166342910]
[2023-10-26 09:03:58,178 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166342910] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:03:58,178 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:03:58,179 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:03:58,179 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900403005]
[2023-10-26 09:03:58,179 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:03:58,180 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:03:58,180 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:03:58,181 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:03:58,181 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:03:58,246 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 202 out of 366
[2023-10-26 09:03:58,247 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)
[2023-10-26 09:03:58,247 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:03:58,247 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 366
[2023-10-26 09:03:58,247 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:04:03,709 INFO  L130       PetriNetUnfolder]: 18680/38085 cut-off events.
[2023-10-26 09:04:03,709 INFO  L131       PetriNetUnfolder]: For 52/52 co-relation queries the response was YES.
[2023-10-26 09:04:03,778 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. 
[2023-10-26 09:04:04,143 INFO  L137   encePairwiseOnDemand]: 339/366 looper letters, 94 selfloop transitions, 16 changer transitions 0/156 dead transitions.
[2023-10-26 09:04:04,143 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 156 transitions, 549 flow
[2023-10-26 09:04:04,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:04:04,144 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:04:04,148 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 732 transitions.
[2023-10-26 09:04:04,149 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6666666666666666
[2023-10-26 09:04:04,150 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 732 transitions.
[2023-10-26 09:04:04,150 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 732 transitions.
[2023-10-26 09:04:04,150 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:04:04,150 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 732 transitions.
[2023-10-26 09:04:04,152 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)
[2023-10-26 09:04:04,162 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)
[2023-10-26 09:04:04,163 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)
[2023-10-26 09:04:04,164 INFO  L175             Difference]: Start difference. First operand has 107 places, 110 transitions, 232 flow. Second operand 3 states and 732 transitions.
[2023-10-26 09:04:04,164 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 156 transitions, 549 flow
[2023-10-26 09:04:04,181 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 156 transitions, 547 flow, removed 1 selfloop flow, removed 0 redundant places.
[2023-10-26 09:04:04,184 INFO  L231             Difference]: Finished difference. Result has 110 places, 121 transitions, 360 flow
[2023-10-26 09:04:04,184 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}
[2023-10-26 09:04:04,185 INFO  L288   CegarLoopForPetriNet]: 107 programPoint places, 3 predicate places.
[2023-10-26 09:04:04,186 INFO  L495      AbstractCegarLoop]: Abstraction has has 110 places, 121 transitions, 360 flow
[2023-10-26 09:04:04,187 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)
[2023-10-26 09:04:04,187 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:04:04,187 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:04:04,187 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-10-26 09:04:04,188 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)] ===
[2023-10-26 09:04:04,188 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:04:04,188 INFO  L85        PathProgramCache]: Analyzing trace with hash 59417261, now seen corresponding path program 1 times
[2023-10-26 09:04:04,189 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:04:04,190 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255272066]
[2023-10-26 09:04:04,190 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:04:04,190 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:04:04,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:04:04,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-26 09:04:04,276 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:04:04,277 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255272066]
[2023-10-26 09:04:04,277 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255272066] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:04:04,277 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:04:04,277 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:04:04,278 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440013414]
[2023-10-26 09:04:04,279 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:04:04,279 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:04:04,279 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:04:04,280 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:04:04,280 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:04:04,297 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 216 out of 366
[2023-10-26 09:04:04,298 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)
[2023-10-26 09:04:04,299 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:04:04,299 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 366
[2023-10-26 09:04:04,299 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:04:07,410 INFO  L130       PetriNetUnfolder]: 15832/33886 cut-off events.
[2023-10-26 09:04:07,412 INFO  L131       PetriNetUnfolder]: For 6484/6662 co-relation queries the response was YES.
[2023-10-26 09:04:07,568 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. 
[2023-10-26 09:04:07,791 INFO  L137   encePairwiseOnDemand]: 361/366 looper letters, 84 selfloop transitions, 4 changer transitions 0/158 dead transitions.
[2023-10-26 09:04:07,799 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 158 transitions, 640 flow
[2023-10-26 09:04:07,801 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:04:07,801 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:04:07,802 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions.
[2023-10-26 09:04:07,802 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6621129326047359
[2023-10-26 09:04:07,805 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 727 transitions.
[2023-10-26 09:04:07,805 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 727 transitions.
[2023-10-26 09:04:07,806 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:04:07,806 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 727 transitions.
[2023-10-26 09:04:07,808 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)
[2023-10-26 09:04:07,822 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)
[2023-10-26 09:04:07,823 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)
[2023-10-26 09:04:07,823 INFO  L175             Difference]: Start difference. First operand has 110 places, 121 transitions, 360 flow. Second operand 3 states and 727 transitions.
[2023-10-26 09:04:07,823 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 158 transitions, 640 flow
[2023-10-26 09:04:07,857 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 158 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-26 09:04:07,859 INFO  L231             Difference]: Finished difference. Result has 111 places, 124 transitions, 354 flow
[2023-10-26 09:04:07,860 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}
[2023-10-26 09:04:07,862 INFO  L288   CegarLoopForPetriNet]: 107 programPoint places, 4 predicate places.
[2023-10-26 09:04:07,862 INFO  L495      AbstractCegarLoop]: Abstraction has has 111 places, 124 transitions, 354 flow
[2023-10-26 09:04:07,863 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)
[2023-10-26 09:04:07,863 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:04:07,863 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:04:07,864 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-10-26 09:04:07,864 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2023-10-26 09:04:07,877 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:04:07,878 INFO  L85        PathProgramCache]: Analyzing trace with hash 54254683, now seen corresponding path program 1 times
[2023-10-26 09:04:07,878 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:04:07,878 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420246300]
[2023-10-26 09:04:07,878 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:04:07,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:04:07,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:04:07,944 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-26 09:04:07,944 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:04:07,944 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420246300]
[2023-10-26 09:04:07,945 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420246300] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:04:07,945 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:04:07,945 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:04:07,945 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677917317]
[2023-10-26 09:04:07,945 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:04:07,946 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:04:07,946 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:04:07,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:04:07,946 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:04:07,998 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 210 out of 366
[2023-10-26 09:04:07,999 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)
[2023-10-26 09:04:07,999 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:04:07,999 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 366
[2023-10-26 09:04:08,000 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:04:11,388 INFO  L130       PetriNetUnfolder]: 17065/36491 cut-off events.
[2023-10-26 09:04:11,389 INFO  L131       PetriNetUnfolder]: For 5948/7299 co-relation queries the response was YES.
[2023-10-26 09:04:11,456 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. 
[2023-10-26 09:04:11,704 INFO  L137   encePairwiseOnDemand]: 357/366 looper letters, 82 selfloop transitions, 15 changer transitions 0/162 dead transitions.
[2023-10-26 09:04:11,704 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 162 transitions, 658 flow
[2023-10-26 09:04:11,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:04:11,705 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:04:11,707 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions.
[2023-10-26 09:04:11,708 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6466302367941712
[2023-10-26 09:04:11,708 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 710 transitions.
[2023-10-26 09:04:11,708 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 710 transitions.
[2023-10-26 09:04:11,710 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:04:11,711 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 710 transitions.
[2023-10-26 09:04:11,713 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)
[2023-10-26 09:04:11,715 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)
[2023-10-26 09:04:11,716 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)
[2023-10-26 09:04:11,716 INFO  L175             Difference]: Start difference. First operand has 111 places, 124 transitions, 354 flow. Second operand 3 states and 710 transitions.
[2023-10-26 09:04:11,716 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 162 transitions, 658 flow
[2023-10-26 09:04:11,756 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 162 transitions, 653 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-26 09:04:11,760 INFO  L231             Difference]: Finished difference. Result has 113 places, 137 transitions, 473 flow
[2023-10-26 09:04:11,760 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}
[2023-10-26 09:04:11,762 INFO  L288   CegarLoopForPetriNet]: 107 programPoint places, 6 predicate places.
[2023-10-26 09:04:11,762 INFO  L495      AbstractCegarLoop]: Abstraction has has 113 places, 137 transitions, 473 flow
[2023-10-26 09:04:11,763 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)
[2023-10-26 09:04:11,763 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:04:11,763 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2023-10-26 09:04:11,763 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-10-26 09:04:11,764 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)] ===
[2023-10-26 09:04:11,764 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:04:11,764 INFO  L85        PathProgramCache]: Analyzing trace with hash -260743776, now seen corresponding path program 1 times
[2023-10-26 09:04:11,764 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:04:11,766 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115550108]
[2023-10-26 09:04:11,767 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:04:11,767 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:04:11,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-26 09:04:11,822 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-26 09:04:11,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-26 09:04:11,870 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-26 09:04:11,870 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-26 09:04:11,873 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining)
[2023-10-26 09:04:11,874 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining)
[2023-10-26 09:04:11,874 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining)
[2023-10-26 09:04:11,874 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining)
[2023-10-26 09:04:11,874 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining)
[2023-10-26 09:04:11,874 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining)
[2023-10-26 09:04:11,875 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining)
[2023-10-26 09:04:11,875 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining)
[2023-10-26 09:04:11,876 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining)
[2023-10-26 09:04:11,876 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining)
[2023-10-26 09:04:11,877 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining)
[2023-10-26 09:04:11,877 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining)
[2023-10-26 09:04:11,877 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining)
[2023-10-26 09:04:11,877 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining)
[2023-10-26 09:04:11,877 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining)
[2023-10-26 09:04:11,877 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining)
[2023-10-26 09:04:11,878 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining)
[2023-10-26 09:04:11,878 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining)
[2023-10-26 09:04:11,878 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining)
[2023-10-26 09:04:11,878 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining)
[2023-10-26 09:04:11,878 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining)
[2023-10-26 09:04:11,878 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining)
[2023-10-26 09:04:11,879 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining)
[2023-10-26 09:04:11,880 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining)
[2023-10-26 09:04:11,880 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-10-26 09:04:11,880 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-10-26 09:04:11,881 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-10-26 09:04:11,881 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2023-10-26 09:04:11,928 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-10-26 09:04:11,931 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 282 places, 287 transitions, 595 flow
[2023-10-26 09:04:12,133 INFO  L130       PetriNetUnfolder]: 27/464 cut-off events.
[2023-10-26 09:04:12,149 INFO  L131       PetriNetUnfolder]: For 7/7 co-relation queries the response was YES.
[2023-10-26 09:04:12,151 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. 
[2023-10-26 09:04:12,152 INFO  L82        GeneralOperation]: Start removeDead. Operand has 282 places, 287 transitions, 595 flow
[2023-10-26 09:04:12,155 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 282 places, 287 transitions, 595 flow
[2023-10-26 09:04:12,155 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-26 09:04:12,156 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 287 transitions, 595 flow
[2023-10-26 09:04:12,157 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 287 transitions, 595 flow
[2023-10-26 09:04:12,157 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 282 places, 287 transitions, 595 flow
[2023-10-26 09:04:12,239 INFO  L130       PetriNetUnfolder]: 27/464 cut-off events.
[2023-10-26 09:04:12,239 INFO  L131       PetriNetUnfolder]: For 7/7 co-relation queries the response was YES.
[2023-10-26 09:04:12,242 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. 
[2023-10-26 09:04:12,279 INFO  L119        LiptonReduction]: Number of co-enabled transitions 39204
[2023-10-26 09:04:17,367 INFO  L134        LiptonReduction]: Checked pairs total: 237752
[2023-10-26 09:04:17,367 INFO  L136        LiptonReduction]: Total number of compositions: 154
[2023-10-26 09:04:17,369 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-26 09:04:17,369 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;@cbfae54, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-26 09:04:17,370 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 30 error locations.
[2023-10-26 09:04:17,382 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2023-10-26 09:04:17,382 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:04:17,383 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:04:17,383 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-10-26 09:04:17,383 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)] ===
[2023-10-26 09:04:17,383 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:04:17,383 INFO  L85        PathProgramCache]: Analyzing trace with hash 46507095, now seen corresponding path program 1 times
[2023-10-26 09:04:17,383 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:04:17,384 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319094735]
[2023-10-26 09:04:17,384 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:04:17,384 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:04:17,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:04:17,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-10-26 09:04:17,439 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:04:17,439 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319094735]
[2023-10-26 09:04:17,439 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319094735] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:04:17,440 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:04:17,440 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:04:17,440 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582461321]
[2023-10-26 09:04:17,440 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:04:17,440 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:04:17,440 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:04:17,441 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:04:17,441 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:04:17,497 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 247 out of 441
[2023-10-26 09:04:17,499 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)
[2023-10-26 09:04:17,499 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:04:17,499 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 441
[2023-10-26 09:04:17,499 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
