./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-outer-race-3.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data -tc /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-outer-race-3.i -s /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4652f4da866d77155a362f7e0d43c417fde934bdeb6599c1ba8014f5bc2bf248
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2023-10-26 09:06:21,217 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-10-26 09:06:21,219 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-10-26 09:06:21,264 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-10-26 09:06:21,274 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-10-26 09:06:21,277 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-10-26 09:06:21,279 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-10-26 09:06:21,290 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-10-26 09:06:21,291 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-10-26 09:06:21,292 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-10-26 09:06:21,292 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-10-26 09:06:21,293 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-10-26 09:06:21,293 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-10-26 09:06:21,294 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-10-26 09:06:21,295 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-10-26 09:06:21,296 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-10-26 09:06:21,296 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-10-26 09:06:21,297 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-10-26 09:06:21,298 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-10-26 09:06:21,312 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-10-26 09:06:21,313 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-10-26 09:06:21,314 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-10-26 09:06:21,315 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-10-26 09:06:21,315 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-10-26 09:06:21,318 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-10-26 09:06:21,318 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-10-26 09:06:21,318 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-10-26 09:06:21,319 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-10-26 09:06:21,320 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-10-26 09:06:21,320 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-10-26 09:06:21,341 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-10-26 09:06:21,342 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-10-26 09:06:21,344 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-10-26 09:06:21,348 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-10-26 09:06:21,350 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-10-26 09:06:21,350 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-10-26 09:06:21,351 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-10-26 09:06:21,351 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-10-26 09:06:21,351 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-10-26 09:06:21,352 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-10-26 09:06:21,352 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-10-26 09:06:21,353 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 09:06:21,406 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-10-26 09:06:21,406 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-10-26 09:06:21,407 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-10-26 09:06:21,407 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-10-26 09:06:21,407 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-10-26 09:06:21,408 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-10-26 09:06:21,408 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-10-26 09:06:21,408 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-10-26 09:06:21,408 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-10-26 09:06:21,409 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-10-26 09:06:21,409 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-10-26 09:06:21,410 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-10-26 09:06:21,410 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-10-26 09:06:21,410 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-10-26 09:06:21,410 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-10-26 09:06:21,410 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-10-26 09:06:21,410 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-10-26 09:06:21,411 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-10-26 09:06:21,411 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-10-26 09:06:21,411 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-10-26 09:06:21,411 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-10-26 09:06:21,411 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-10-26 09:06:21,411 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-10-26 09:06:21,412 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-10-26 09:06:21,412 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-10-26 09:06:21,412 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-10-26 09:06:21,412 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-10-26 09:06:21,412 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-10-26 09:06:21,412 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-10-26 09:06:21,413 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-10-26 09:06:21,413 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-10-26 09:06:21,413 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-10-26 09:06:21,413 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-10-26 09:06:21,414 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-10-26 09:06:21,414 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-10-26 09:06:21,414 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-10-26 09:06:21,414 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-10-26 09:06:21,414 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 -> 4652f4da866d77155a362f7e0d43c417fde934bdeb6599c1ba8014f5bc2bf248
[2023-10-26 09:06:21,788 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-10-26 09:06:21,811 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-10-26 09:06:21,813 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-10-26 09:06:21,826 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-10-26 09:06:21,826 INFO  L275        PluginConnector]: CDTParser initialized
[2023-10-26 09:06:21,828 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-outer-race-3.i
[2023-10-26 09:06:23,532 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-10-26 09:06:23,904 INFO  L351              CDTParser]: Found 1 translation units.
[2023-10-26 09:06:23,911 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-outer-race-3.i
[2023-10-26 09:06:23,927 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/2c17f5011/9ff71d3da8354b268c59d8bc7a03fdb0/FLAG065174e18
[2023-10-26 09:06:23,970 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/2c17f5011/9ff71d3da8354b268c59d8bc7a03fdb0
[2023-10-26 09:06:23,972 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-10-26 09:06:23,973 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-10-26 09:06:23,973 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-10-26 09:06:23,973 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-10-26 09:06:23,976 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-10-26 09:06:23,989 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:06:23" (1/1) ...
[2023-10-26 09:06:23,992 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2231466d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:23, skipping insertion in model container
[2023-10-26 09:06:23,992 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:06:23" (1/1) ...
[2023-10-26 09:06:23,998 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-10-26 09:06:24,050 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-10-26 09:06:24,513 WARN  L623        FunctionHandler]: Unknown extern function pthread_detach
[2023-10-26 09:06:24,517 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-10-26 09:06:24,555 INFO  L203         MainTranslator]: Completed pre-run
[2023-10-26 09:06:24,614 WARN  L623        FunctionHandler]: Unknown extern function pthread_detach
[2023-10-26 09:06:24,629 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-10-26 09:06:24,677 INFO  L208         MainTranslator]: Completed translation
[2023-10-26 09:06:24,693 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24 WrapperNode
[2023-10-26 09:06:24,693 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-10-26 09:06:24,695 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-10-26 09:06:24,695 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-10-26 09:06:24,695 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-10-26 09:06:24,700 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,733 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,755 INFO  L138                Inliner]: procedures = 159, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95
[2023-10-26 09:06:24,764 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-10-26 09:06:24,767 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-10-26 09:06:24,768 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-10-26 09:06:24,769 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-10-26 09:06:24,776 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,776 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,789 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,790 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,799 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,826 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,828 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,836 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,838 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-10-26 09:06:24,850 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-10-26 09:06:24,850 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-10-26 09:06:24,850 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-10-26 09:06:24,851 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (1/1) ...
[2023-10-26 09:06:24,859 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-10-26 09:06:24,881 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-10-26 09:06:24,899 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 09:06:24,937 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 09:06:24,943 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-10-26 09:06:24,943 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-10-26 09:06:24,943 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-10-26 09:06:24,943 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-10-26 09:06:24,943 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-10-26 09:06:24,944 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-10-26 09:06:24,944 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_detach
[2023-10-26 09:06:24,944 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-10-26 09:06:24,944 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2023-10-26 09:06:24,944 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2023-10-26 09:06:24,945 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-10-26 09:06:24,945 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-10-26 09:06:24,946 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 09:06:25,141 INFO  L235             CfgBuilder]: Building ICFG
[2023-10-26 09:06:25,144 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-10-26 09:06:25,590 INFO  L276             CfgBuilder]: Performing block encoding
[2023-10-26 09:06:25,596 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-10-26 09:06:25,604 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-10-26 09:06:25,606 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:06:25 BoogieIcfgContainer
[2023-10-26 09:06:25,607 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-10-26 09:06:25,618 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-10-26 09:06:25,618 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-10-26 09:06:25,621 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-10-26 09:06:25,622 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:06:23" (1/3) ...
[2023-10-26 09:06:25,628 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb46806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:06:25, skipping insertion in model container
[2023-10-26 09:06:25,629 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:24" (2/3) ...
[2023-10-26 09:06:25,629 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb46806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:06:25, skipping insertion in model container
[2023-10-26 09:06:25,629 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:06:25" (3/3) ...
[2023-10-26 09:06:25,630 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-counter-outer-race-3.i
[2023-10-26 09:06:25,642 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-10-26 09:06:25,650 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-10-26 09:06:25,650 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-10-26 09:06:25,650 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-10-26 09:06:25,768 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-10-26 09:06:25,831 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 135 places, 136 transitions, 277 flow
[2023-10-26 09:06:25,953 INFO  L130       PetriNetUnfolder]: 7/176 cut-off events.
[2023-10-26 09:06:25,969 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:06:25,974 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 181 conditions, 176 events. 7/176 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 222 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 88. Up to 4 conditions per place. 
[2023-10-26 09:06:25,975 INFO  L82        GeneralOperation]: Start removeDead. Operand has 135 places, 136 transitions, 277 flow
[2023-10-26 09:06:25,994 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 135 places, 136 transitions, 277 flow
[2023-10-26 09:06:25,998 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-26 09:06:26,018 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 136 transitions, 277 flow
[2023-10-26 09:06:26,029 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 136 transitions, 277 flow
[2023-10-26 09:06:26,030 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 135 places, 136 transitions, 277 flow
[2023-10-26 09:06:26,112 INFO  L130       PetriNetUnfolder]: 7/176 cut-off events.
[2023-10-26 09:06:26,121 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:06:26,122 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 181 conditions, 176 events. 7/176 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 222 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 88. Up to 4 conditions per place. 
[2023-10-26 09:06:26,126 INFO  L119        LiptonReduction]: Number of co-enabled transitions 3304
[2023-10-26 09:06:30,530 INFO  L134        LiptonReduction]: Checked pairs total: 13696
[2023-10-26 09:06:30,530 INFO  L136        LiptonReduction]: Total number of compositions: 99
[2023-10-26 09:06:30,576 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-26 09:06:30,581 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;@19a43059, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-26 09:06:30,581 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2023-10-26 09:06:30,584 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2023-10-26 09:06:30,584 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:06:30,584 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:30,584 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-10-26 09:06:30,585 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-10-26 09:06:30,588 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:30,605 INFO  L85        PathProgramCache]: Analyzing trace with hash 13845965, now seen corresponding path program 1 times
[2023-10-26 09:06:30,613 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:30,613 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692348540]
[2023-10-26 09:06:30,613 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:30,614 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:30,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:30,962 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 09:06:30,963 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:30,963 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692348540]
[2023-10-26 09:06:30,964 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692348540] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:30,964 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:30,964 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:30,971 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663844099]
[2023-10-26 09:06:30,972 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:30,978 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:30,984 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:31,016 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:31,031 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:31,069 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 121 out of 235
[2023-10-26 09:06:31,073 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 45 transitions, 95 flow. Second operand  has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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 09:06:31,073 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:31,073 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 235
[2023-10-26 09:06:31,074 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:31,269 INFO  L130       PetriNetUnfolder]: 149/470 cut-off events.
[2023-10-26 09:06:31,269 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:06:31,272 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 814 conditions, 470 events. 149/470 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2466 event pairs, 54 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 762. Up to 184 conditions per place. 
[2023-10-26 09:06:31,276 INFO  L137   encePairwiseOnDemand]: 222/235 looper letters, 41 selfloop transitions, 8 changer transitions 0/65 dead transitions.
[2023-10-26 09:06:31,276 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 65 transitions, 233 flow
[2023-10-26 09:06:31,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:31,279 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:31,313 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions.
[2023-10-26 09:06:31,317 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5943262411347517
[2023-10-26 09:06:31,317 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 419 transitions.
[2023-10-26 09:06:31,318 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions.
[2023-10-26 09:06:31,321 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:31,323 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions.
[2023-10-26 09:06:31,327 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-10-26 09:06:31,332 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:31,334 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:31,336 INFO  L175             Difference]: Start difference. First operand has 46 places, 45 transitions, 95 flow. Second operand 3 states and 419 transitions.
[2023-10-26 09:06:31,350 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 65 transitions, 233 flow
[2023-10-26 09:06:31,352 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 65 transitions, 233 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-10-26 09:06:31,354 INFO  L231             Difference]: Finished difference. Result has 49 places, 51 transitions, 161 flow
[2023-10-26 09:06:31,355 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=161, PETRI_PLACES=49, PETRI_TRANSITIONS=51}
[2023-10-26 09:06:31,358 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 3 predicate places.
[2023-10-26 09:06:31,358 INFO  L495      AbstractCegarLoop]: Abstraction has has 49 places, 51 transitions, 161 flow
[2023-10-26 09:06:31,359 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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 09:06:31,359 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:31,359 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:31,360 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-10-26 09:06:31,360 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-10-26 09:06:31,361 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:31,362 INFO  L85        PathProgramCache]: Analyzing trace with hash 931135085, now seen corresponding path program 1 times
[2023-10-26 09:06:31,364 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:31,365 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813607747]
[2023-10-26 09:06:31,365 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:31,365 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:31,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:31,495 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 09:06:31,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:31,496 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813607747]
[2023-10-26 09:06:31,496 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813607747] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:31,496 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:31,496 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:31,496 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845356158]
[2023-10-26 09:06:31,497 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:31,497 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:31,498 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:31,498 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:31,498 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:31,533 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 122 out of 235
[2023-10-26 09:06:31,534 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 51 transitions, 161 flow. Second operand  has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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 09:06:31,535 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:31,535 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 235
[2023-10-26 09:06:31,536 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:31,668 INFO  L130       PetriNetUnfolder]: 130/418 cut-off events.
[2023-10-26 09:06:31,668 INFO  L131       PetriNetUnfolder]: For 120/123 co-relation queries the response was YES.
[2023-10-26 09:06:31,669 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 874 conditions, 418 events. 130/418 cut-off events. For 120/123 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2169 event pairs, 74 based on Foata normal form. 2/381 useless extension candidates. Maximal degree in co-relation 814. Up to 241 conditions per place. 
[2023-10-26 09:06:31,671 INFO  L137   encePairwiseOnDemand]: 229/235 looper letters, 31 selfloop transitions, 7 changer transitions 0/62 dead transitions.
[2023-10-26 09:06:31,671 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 62 transitions, 269 flow
[2023-10-26 09:06:31,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:31,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:31,672 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions.
[2023-10-26 09:06:31,672 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5659574468085107
[2023-10-26 09:06:31,672 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 399 transitions.
[2023-10-26 09:06:31,673 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions.
[2023-10-26 09:06:31,673 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:31,673 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions.
[2023-10-26 09:06:31,674 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 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 09:06:31,676 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:31,676 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:31,676 INFO  L175             Difference]: Start difference. First operand has 49 places, 51 transitions, 161 flow. Second operand 3 states and 399 transitions.
[2023-10-26 09:06:31,676 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 62 transitions, 269 flow
[2023-10-26 09:06:31,680 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 62 transitions, 249 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-26 09:06:31,681 INFO  L231             Difference]: Finished difference. Result has 51 places, 56 transitions, 201 flow
[2023-10-26 09:06:31,681 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=201, PETRI_PLACES=51, PETRI_TRANSITIONS=56}
[2023-10-26 09:06:31,682 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 5 predicate places.
[2023-10-26 09:06:31,682 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 56 transitions, 201 flow
[2023-10-26 09:06:31,683 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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 09:06:31,685 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:31,685 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:31,686 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-10-26 09:06:31,686 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-10-26 09:06:31,688 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:31,688 INFO  L85        PathProgramCache]: Analyzing trace with hash 1155383445, now seen corresponding path program 1 times
[2023-10-26 09:06:31,688 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:31,688 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205239881]
[2023-10-26 09:06:31,689 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:31,689 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:31,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:31,768 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 09:06:31,768 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:31,768 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205239881]
[2023-10-26 09:06:31,769 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205239881] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:31,769 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:31,769 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:31,769 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877985164]
[2023-10-26 09:06:31,769 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:31,770 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:31,770 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:31,786 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:31,787 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:31,796 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 128 out of 235
[2023-10-26 09:06:31,801 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 56 transitions, 201 flow. Second operand  has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 09:06:31,801 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:31,801 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 235
[2023-10-26 09:06:31,801 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:31,902 INFO  L130       PetriNetUnfolder]: 113/398 cut-off events.
[2023-10-26 09:06:31,914 INFO  L131       PetriNetUnfolder]: For 132/141 co-relation queries the response was YES.
[2023-10-26 09:06:31,915 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 843 conditions, 398 events. 113/398 cut-off events. For 132/141 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2157 event pairs, 76 based on Foata normal form. 8/372 useless extension candidates. Maximal degree in co-relation 788. Up to 224 conditions per place. 
[2023-10-26 09:06:31,916 INFO  L137   encePairwiseOnDemand]: 232/235 looper letters, 25 selfloop transitions, 2 changer transitions 2/61 dead transitions.
[2023-10-26 09:06:31,917 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 61 transitions, 271 flow
[2023-10-26 09:06:31,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:31,917 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:31,918 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions.
[2023-10-26 09:06:31,918 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5801418439716312
[2023-10-26 09:06:31,918 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 409 transitions.
[2023-10-26 09:06:31,918 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 409 transitions.
[2023-10-26 09:06:31,919 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:31,919 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 409 transitions.
[2023-10-26 09:06:31,920 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 09:06:31,921 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:31,921 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:31,921 INFO  L175             Difference]: Start difference. First operand has 51 places, 56 transitions, 201 flow. Second operand 3 states and 409 transitions.
[2023-10-26 09:06:31,921 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 61 transitions, 271 flow
[2023-10-26 09:06:31,925 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 61 transitions, 257 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-26 09:06:31,926 INFO  L231             Difference]: Finished difference. Result has 52 places, 57 transitions, 199 flow
[2023-10-26 09:06:31,927 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=52, PETRI_TRANSITIONS=57}
[2023-10-26 09:06:31,928 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 6 predicate places.
[2023-10-26 09:06:31,930 INFO  L495      AbstractCegarLoop]: Abstraction has has 52 places, 57 transitions, 199 flow
[2023-10-26 09:06:31,930 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 09:06:31,931 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:31,931 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:31,931 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-10-26 09:06:31,932 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-10-26 09:06:31,932 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:31,932 INFO  L85        PathProgramCache]: Analyzing trace with hash 1312887995, now seen corresponding path program 1 times
[2023-10-26 09:06:31,932 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:31,932 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949279923]
[2023-10-26 09:06:31,933 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:31,933 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:31,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:32,034 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 09:06:32,034 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:32,034 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949279923]
[2023-10-26 09:06:32,035 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949279923] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:32,035 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:32,035 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:32,035 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563021623]
[2023-10-26 09:06:32,035 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:32,036 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:32,036 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:32,037 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:32,037 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:32,048 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 126 out of 235
[2023-10-26 09:06:32,049 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 57 transitions, 199 flow. Second operand  has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 09:06:32,049 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:32,049 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 235
[2023-10-26 09:06:32,049 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:32,156 INFO  L130       PetriNetUnfolder]: 113/389 cut-off events.
[2023-10-26 09:06:32,159 INFO  L131       PetriNetUnfolder]: For 97/108 co-relation queries the response was YES.
[2023-10-26 09:06:32,159 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 812 conditions, 389 events. 113/389 cut-off events. For 97/108 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2100 event pairs, 67 based on Foata normal form. 9/366 useless extension candidates. Maximal degree in co-relation 778. Up to 215 conditions per place. 
[2023-10-26 09:06:32,160 INFO  L137   encePairwiseOnDemand]: 231/235 looper letters, 34 selfloop transitions, 3 changer transitions 0/68 dead transitions.
[2023-10-26 09:06:32,160 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 68 transitions, 303 flow
[2023-10-26 09:06:32,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:32,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:32,162 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions.
[2023-10-26 09:06:32,162 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5815602836879432
[2023-10-26 09:06:32,163 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 410 transitions.
[2023-10-26 09:06:32,163 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions.
[2023-10-26 09:06:32,166 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:32,166 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions.
[2023-10-26 09:06:32,167 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 09:06:32,168 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:32,169 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:32,169 INFO  L175             Difference]: Start difference. First operand has 52 places, 57 transitions, 199 flow. Second operand 3 states and 410 transitions.
[2023-10-26 09:06:32,169 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 68 transitions, 303 flow
[2023-10-26 09:06:32,170 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 68 transitions, 301 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-26 09:06:32,185 INFO  L231             Difference]: Finished difference. Result has 54 places, 59 transitions, 216 flow
[2023-10-26 09:06:32,185 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=54, PETRI_TRANSITIONS=59}
[2023-10-26 09:06:32,187 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 8 predicate places.
[2023-10-26 09:06:32,187 INFO  L495      AbstractCegarLoop]: Abstraction has has 54 places, 59 transitions, 216 flow
[2023-10-26 09:06:32,188 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 09:06:32,188 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:32,188 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:32,188 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-10-26 09:06:32,188 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-10-26 09:06:32,188 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:32,189 INFO  L85        PathProgramCache]: Analyzing trace with hash -1323982407, now seen corresponding path program 1 times
[2023-10-26 09:06:32,189 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:32,189 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623542573]
[2023-10-26 09:06:32,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:32,189 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:32,204 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:32,238 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-10-26 09:06:32,238 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:32,238 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623542573]
[2023-10-26 09:06:32,239 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623542573] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:32,239 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:32,239 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:32,239 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456855855]
[2023-10-26 09:06:32,239 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:32,240 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:32,240 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:32,240 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:32,240 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:32,264 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 128 out of 235
[2023-10-26 09:06:32,265 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 59 transitions, 216 flow. Second operand  has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 09:06:32,265 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:32,265 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 235
[2023-10-26 09:06:32,265 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:32,484 INFO  L130       PetriNetUnfolder]: 135/443 cut-off events.
[2023-10-26 09:06:32,484 INFO  L131       PetriNetUnfolder]: For 152/167 co-relation queries the response was YES.
[2023-10-26 09:06:32,485 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 987 conditions, 443 events. 135/443 cut-off events. For 152/167 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2452 event pairs, 63 based on Foata normal form. 9/416 useless extension candidates. Maximal degree in co-relation 934. Up to 224 conditions per place. 
[2023-10-26 09:06:32,486 INFO  L137   encePairwiseOnDemand]: 231/235 looper letters, 32 selfloop transitions, 4 changer transitions 2/68 dead transitions.
[2023-10-26 09:06:32,486 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 68 transitions, 318 flow
[2023-10-26 09:06:32,486 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:32,486 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:32,487 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions.
[2023-10-26 09:06:32,487 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5886524822695035
[2023-10-26 09:06:32,488 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 415 transitions.
[2023-10-26 09:06:32,488 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions.
[2023-10-26 09:06:32,488 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:32,488 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions.
[2023-10-26 09:06:32,490 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 09:06:32,491 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:32,491 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 09:06:32,491 INFO  L175             Difference]: Start difference. First operand has 54 places, 59 transitions, 216 flow. Second operand 3 states and 415 transitions.
[2023-10-26 09:06:32,492 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 68 transitions, 318 flow
[2023-10-26 09:06:32,493 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 68 transitions, 313 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-26 09:06:32,495 INFO  L231             Difference]: Finished difference. Result has 57 places, 61 transitions, 241 flow
[2023-10-26 09:06:32,495 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=57, PETRI_TRANSITIONS=61}
[2023-10-26 09:06:32,497 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 11 predicate places.
[2023-10-26 09:06:32,497 INFO  L495      AbstractCegarLoop]: Abstraction has has 57 places, 61 transitions, 241 flow
[2023-10-26 09:06:32,498 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 09:06:32,498 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:32,498 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1]
[2023-10-26 09:06:32,498 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-10-26 09:06:32,498 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2023-10-26 09:06:32,499 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:32,499 INFO  L85        PathProgramCache]: Analyzing trace with hash -1790975771, now seen corresponding path program 1 times
[2023-10-26 09:06:32,499 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:32,499 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489610357]
[2023-10-26 09:06:32,499 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:32,500 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:32,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-26 09:06:32,548 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-26 09:06:32,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-26 09:06:32,617 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-26 09:06:32,617 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-26 09:06:32,618 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining)
[2023-10-26 09:06:32,619 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining)
[2023-10-26 09:06:32,633 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining)
[2023-10-26 09:06:32,634 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining)
[2023-10-26 09:06:32,634 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining)
[2023-10-26 09:06:32,637 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining)
[2023-10-26 09:06:32,637 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining)
[2023-10-26 09:06:32,637 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining)
[2023-10-26 09:06:32,638 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining)
[2023-10-26 09:06:32,638 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining)
[2023-10-26 09:06:32,638 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining)
[2023-10-26 09:06:32,638 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining)
[2023-10-26 09:06:32,639 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-10-26 09:06:32,639 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:32,643 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-10-26 09:06:32,643 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-10-26 09:06:32,668 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-10-26 09:06:32,686 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 166 places, 165 transitions, 342 flow
[2023-10-26 09:06:32,740 INFO  L130       PetriNetUnfolder]: 10/263 cut-off events.
[2023-10-26 09:06:32,740 INFO  L131       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2023-10-26 09:06:32,741 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 273 conditions, 263 events. 10/263 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 376 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 177. Up to 6 conditions per place. 
[2023-10-26 09:06:32,741 INFO  L82        GeneralOperation]: Start removeDead. Operand has 166 places, 165 transitions, 342 flow
[2023-10-26 09:06:32,742 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 166 places, 165 transitions, 342 flow
[2023-10-26 09:06:32,743 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-10-26 09:06:32,743 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 165 transitions, 342 flow
[2023-10-26 09:06:32,743 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 165 transitions, 342 flow
[2023-10-26 09:06:32,744 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 166 places, 165 transitions, 342 flow
[2023-10-26 09:06:32,793 INFO  L130       PetriNetUnfolder]: 10/263 cut-off events.
[2023-10-26 09:06:32,797 INFO  L131       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2023-10-26 09:06:32,798 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 273 conditions, 263 events. 10/263 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 376 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 177. Up to 6 conditions per place. 
[2023-10-26 09:06:32,801 INFO  L119        LiptonReduction]: Number of co-enabled transitions 8232
[2023-10-26 09:06:36,778 INFO  L134        LiptonReduction]: Checked pairs total: 37435
[2023-10-26 09:06:36,778 INFO  L136        LiptonReduction]: Total number of compositions: 109
[2023-10-26 09:06:36,779 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-10-26 09:06:36,780 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;@19a43059, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-10-26 09:06:36,780 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2023-10-26 09:06:36,781 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2023-10-26 09:06:36,781 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-10-26 09:06:36,781 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:36,781 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-10-26 09:06:36,781 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2023-10-26 09:06:36,782 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:36,782 INFO  L85        PathProgramCache]: Analyzing trace with hash 23166534, now seen corresponding path program 1 times
[2023-10-26 09:06:36,782 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:36,782 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781118660]
[2023-10-26 09:06:36,782 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:36,782 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:36,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:36,827 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 09:06:36,827 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:36,827 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781118660]
[2023-10-26 09:06:36,827 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781118660] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:36,827 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:36,828 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:36,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68394670]
[2023-10-26 09:06:36,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:36,829 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:36,831 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:36,832 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:36,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:36,871 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 145 out of 274
[2023-10-26 09:06:36,872 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 138 flow. Second operand  has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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 09:06:36,872 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:36,872 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 274
[2023-10-26 09:06:36,873 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:38,280 INFO  L130       PetriNetUnfolder]: 4700/9285 cut-off events.
[2023-10-26 09:06:38,281 INFO  L131       PetriNetUnfolder]: For 61/61 co-relation queries the response was YES.
[2023-10-26 09:06:38,306 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16906 conditions, 9285 events. 4700/9285 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 73901 event pairs, 2037 based on Foata normal form. 0/8521 useless extension candidates. Maximal degree in co-relation 6522. Up to 3799 conditions per place. 
[2023-10-26 09:06:38,388 INFO  L137   encePairwiseOnDemand]: 257/274 looper letters, 63 selfloop transitions, 11 changer transitions 0/95 dead transitions.
[2023-10-26 09:06:38,388 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 95 transitions, 355 flow
[2023-10-26 09:06:38,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:38,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:38,389 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions.
[2023-10-26 09:06:38,390 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6289537712895377
[2023-10-26 09:06:38,397 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 517 transitions.
[2023-10-26 09:06:38,397 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions.
[2023-10-26 09:06:38,398 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:38,398 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions.
[2023-10-26 09:06:38,399 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 09:06:38,400 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:38,401 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:38,401 INFO  L175             Difference]: Start difference. First operand has 66 places, 63 transitions, 138 flow. Second operand 3 states and 517 transitions.
[2023-10-26 09:06:38,401 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 95 transitions, 355 flow
[2023-10-26 09:06:38,402 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 95 transitions, 353 flow, removed 1 selfloop flow, removed 0 redundant places.
[2023-10-26 09:06:38,403 INFO  L231             Difference]: Finished difference. Result has 69 places, 72 transitions, 228 flow
[2023-10-26 09:06:38,404 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=69, PETRI_TRANSITIONS=72}
[2023-10-26 09:06:38,405 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 3 predicate places.
[2023-10-26 09:06:38,405 INFO  L495      AbstractCegarLoop]: Abstraction has has 69 places, 72 transitions, 228 flow
[2023-10-26 09:06:38,408 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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 09:06:38,408 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:38,408 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:38,408 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-10-26 09:06:38,409 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2023-10-26 09:06:38,409 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:38,412 INFO  L85        PathProgramCache]: Analyzing trace with hash 271718391, now seen corresponding path program 1 times
[2023-10-26 09:06:38,412 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:38,412 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080060900]
[2023-10-26 09:06:38,412 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:38,413 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:38,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:38,464 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 09:06:38,464 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:38,464 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080060900]
[2023-10-26 09:06:38,464 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080060900] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:38,464 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:38,465 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:38,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749025725]
[2023-10-26 09:06:38,465 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:38,465 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:38,465 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:38,466 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:38,466 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:38,475 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 155 out of 274
[2023-10-26 09:06:38,475 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 72 transitions, 228 flow. Second operand  has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 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 09:06:38,475 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:38,475 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 274
[2023-10-26 09:06:38,476 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:39,528 INFO  L130       PetriNetUnfolder]: 3699/7359 cut-off events.
[2023-10-26 09:06:39,529 INFO  L131       PetriNetUnfolder]: For 1479/1494 co-relation queries the response was YES.
[2023-10-26 09:06:39,559 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 15549 conditions, 7359 events. 3699/7359 cut-off events. For 1479/1494 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 58723 event pairs, 3092 based on Foata normal form. 1/6802 useless extension candidates. Maximal degree in co-relation 6902. Up to 5555 conditions per place. 
[2023-10-26 09:06:39,605 INFO  L137   encePairwiseOnDemand]: 271/274 looper letters, 35 selfloop transitions, 2 changer transitions 2/77 dead transitions.
[2023-10-26 09:06:39,610 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 77 transitions, 320 flow
[2023-10-26 09:06:39,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:39,611 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:39,612 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions.
[2023-10-26 09:06:39,612 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.610705596107056
[2023-10-26 09:06:39,625 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 502 transitions.
[2023-10-26 09:06:39,625 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 502 transitions.
[2023-10-26 09:06:39,626 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:39,626 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 502 transitions.
[2023-10-26 09:06:39,627 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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 09:06:39,628 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:39,629 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:39,629 INFO  L175             Difference]: Start difference. First operand has 69 places, 72 transitions, 228 flow. Second operand 3 states and 502 transitions.
[2023-10-26 09:06:39,629 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 77 transitions, 320 flow
[2023-10-26 09:06:39,635 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 77 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-26 09:06:39,638 INFO  L231             Difference]: Finished difference. Result has 70 places, 73 transitions, 218 flow
[2023-10-26 09:06:39,638 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=70, PETRI_TRANSITIONS=73}
[2023-10-26 09:06:39,639 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 4 predicate places.
[2023-10-26 09:06:39,639 INFO  L495      AbstractCegarLoop]: Abstraction has has 70 places, 73 transitions, 218 flow
[2023-10-26 09:06:39,639 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 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 09:06:39,639 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:39,639 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:39,639 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-10-26 09:06:39,640 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2023-10-26 09:06:39,640 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:39,640 INFO  L85        PathProgramCache]: Analyzing trace with hash 1566035078, now seen corresponding path program 1 times
[2023-10-26 09:06:39,640 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:39,640 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941638781]
[2023-10-26 09:06:39,640 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:39,640 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:39,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:39,678 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 09:06:39,679 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:39,679 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941638781]
[2023-10-26 09:06:39,679 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941638781] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:39,693 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:39,693 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:39,694 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037291060]
[2023-10-26 09:06:39,694 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:39,694 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:39,694 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:39,695 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:39,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:39,720 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 148 out of 274
[2023-10-26 09:06:39,720 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 73 transitions, 218 flow. Second operand  has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 09:06:39,721 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:39,721 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 274
[2023-10-26 09:06:39,721 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:40,808 INFO  L130       PetriNetUnfolder]: 3943/7684 cut-off events.
[2023-10-26 09:06:40,821 INFO  L131       PetriNetUnfolder]: For 1638/1840 co-relation queries the response was YES.
[2023-10-26 09:06:40,830 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16434 conditions, 7684 events. 3943/7684 cut-off events. For 1638/1840 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 60134 event pairs, 2549 based on Foata normal form. 59/6992 useless extension candidates. Maximal degree in co-relation 16398. Up to 5346 conditions per place. 
[2023-10-26 09:06:40,876 INFO  L137   encePairwiseOnDemand]: 266/274 looper letters, 53 selfloop transitions, 12 changer transitions 0/97 dead transitions.
[2023-10-26 09:06:40,877 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 97 transitions, 412 flow
[2023-10-26 09:06:40,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:40,877 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:40,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions.
[2023-10-26 09:06:40,890 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6058394160583942
[2023-10-26 09:06:40,891 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 498 transitions.
[2023-10-26 09:06:40,891 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 498 transitions.
[2023-10-26 09:06:40,891 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:40,891 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 498 transitions.
[2023-10-26 09:06:40,902 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 09:06:40,904 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:40,904 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:40,904 INFO  L175             Difference]: Start difference. First operand has 70 places, 73 transitions, 218 flow. Second operand 3 states and 498 transitions.
[2023-10-26 09:06:40,904 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 97 transitions, 412 flow
[2023-10-26 09:06:40,907 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 97 transitions, 410 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-26 09:06:40,908 INFO  L231             Difference]: Finished difference. Result has 73 places, 83 transitions, 322 flow
[2023-10-26 09:06:40,908 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=73, PETRI_TRANSITIONS=83}
[2023-10-26 09:06:40,909 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 7 predicate places.
[2023-10-26 09:06:40,909 INFO  L495      AbstractCegarLoop]: Abstraction has has 73 places, 83 transitions, 322 flow
[2023-10-26 09:06:40,910 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 09:06:40,910 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:40,910 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:40,910 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-10-26 09:06:40,910 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2023-10-26 09:06:40,910 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:40,910 INFO  L85        PathProgramCache]: Analyzing trace with hash 2024296669, now seen corresponding path program 1 times
[2023-10-26 09:06:40,911 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:40,911 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186943006]
[2023-10-26 09:06:40,911 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:40,911 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:40,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:40,965 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 09:06:40,966 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:40,966 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186943006]
[2023-10-26 09:06:40,967 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186943006] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:40,967 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:40,967 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:40,967 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053623863]
[2023-10-26 09:06:40,967 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:40,968 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:40,968 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:40,968 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:40,969 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:40,980 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 153 out of 274
[2023-10-26 09:06:40,981 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 83 transitions, 322 flow. Second operand  has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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 09:06:40,981 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:40,981 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 274
[2023-10-26 09:06:40,981 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:42,152 INFO  L130       PetriNetUnfolder]: 4089/8296 cut-off events.
[2023-10-26 09:06:42,168 INFO  L131       PetriNetUnfolder]: For 5148/6911 co-relation queries the response was YES.
[2023-10-26 09:06:42,189 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 19237 conditions, 8296 events. 4089/8296 cut-off events. For 5148/6911 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 69168 event pairs, 2758 based on Foata normal form. 251/7673 useless extension candidates. Maximal degree in co-relation 11348. Up to 5557 conditions per place. 
[2023-10-26 09:06:42,244 INFO  L137   encePairwiseOnDemand]: 269/274 looper letters, 64 selfloop transitions, 4 changer transitions 0/110 dead transitions.
[2023-10-26 09:06:42,245 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 110 transitions, 555 flow
[2023-10-26 09:06:42,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:42,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:42,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions.
[2023-10-26 09:06:42,262 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6228710462287105
[2023-10-26 09:06:42,263 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 512 transitions.
[2023-10-26 09:06:42,263 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions.
[2023-10-26 09:06:42,263 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:42,263 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions.
[2023-10-26 09:06:42,264 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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 09:06:42,265 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:42,265 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:42,265 INFO  L175             Difference]: Start difference. First operand has 73 places, 83 transitions, 322 flow. Second operand 3 states and 512 transitions.
[2023-10-26 09:06:42,266 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 110 transitions, 555 flow
[2023-10-26 09:06:42,275 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 110 transitions, 523 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-10-26 09:06:42,510 INFO  L231             Difference]: Finished difference. Result has 74 places, 86 transitions, 324 flow
[2023-10-26 09:06:42,510 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=74, PETRI_TRANSITIONS=86}
[2023-10-26 09:06:42,511 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 8 predicate places.
[2023-10-26 09:06:42,511 INFO  L495      AbstractCegarLoop]: Abstraction has has 74 places, 86 transitions, 324 flow
[2023-10-26 09:06:42,511 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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 09:06:42,511 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:42,511 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:42,511 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-10-26 09:06:42,511 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2023-10-26 09:06:42,512 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:42,512 INFO  L85        PathProgramCache]: Analyzing trace with hash 366274325, now seen corresponding path program 1 times
[2023-10-26 09:06:42,512 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:42,512 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929784567]
[2023-10-26 09:06:42,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:42,512 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:42,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-10-26 09:06:42,549 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-10-26 09:06:42,549 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-10-26 09:06:42,550 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929784567]
[2023-10-26 09:06:42,550 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929784567] provided 1 perfect and 0 imperfect interpolant sequences
[2023-10-26 09:06:42,550 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-10-26 09:06:42,550 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-10-26 09:06:42,550 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226370818]
[2023-10-26 09:06:42,550 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-10-26 09:06:42,551 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-10-26 09:06:42,551 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-10-26 09:06:42,551 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-10-26 09:06:42,551 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-10-26 09:06:42,576 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 155 out of 274
[2023-10-26 09:06:42,577 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 86 transitions, 324 flow. Second operand  has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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 09:06:42,577 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-10-26 09:06:42,577 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 274
[2023-10-26 09:06:42,577 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-10-26 09:06:44,022 INFO  L130       PetriNetUnfolder]: 4914/9916 cut-off events.
[2023-10-26 09:06:44,023 INFO  L131       PetriNetUnfolder]: For 5630/7673 co-relation queries the response was YES.
[2023-10-26 09:06:44,051 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 23298 conditions, 9916 events. 4914/9916 cut-off events. For 5630/7673 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 83544 event pairs, 2708 based on Foata normal form. 247/9262 useless extension candidates. Maximal degree in co-relation 12576. Up to 5855 conditions per place. 
[2023-10-26 09:06:44,120 INFO  L137   encePairwiseOnDemand]: 269/274 looper letters, 62 selfloop transitions, 6 changer transitions 0/109 dead transitions.
[2023-10-26 09:06:44,121 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 109 transitions, 535 flow
[2023-10-26 09:06:44,121 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-10-26 09:06:44,121 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-10-26 09:06:44,122 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions.
[2023-10-26 09:06:44,123 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6289537712895377
[2023-10-26 09:06:44,123 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 517 transitions.
[2023-10-26 09:06:44,123 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions.
[2023-10-26 09:06:44,123 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-10-26 09:06:44,123 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions.
[2023-10-26 09:06:44,124 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 09:06:44,138 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:44,140 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 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 09:06:44,140 INFO  L175             Difference]: Start difference. First operand has 74 places, 86 transitions, 324 flow. Second operand 3 states and 517 transitions.
[2023-10-26 09:06:44,140 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 109 transitions, 535 flow
[2023-10-26 09:06:44,146 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 109 transitions, 528 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-10-26 09:06:44,148 INFO  L231             Difference]: Finished difference. Result has 77 places, 90 transitions, 368 flow
[2023-10-26 09:06:44,148 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=77, PETRI_TRANSITIONS=90}
[2023-10-26 09:06:44,150 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 11 predicate places.
[2023-10-26 09:06:44,150 INFO  L495      AbstractCegarLoop]: Abstraction has has 77 places, 90 transitions, 368 flow
[2023-10-26 09:06:44,150 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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 09:06:44,150 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-10-26 09:06:44,150 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:44,150 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-10-26 09:06:44,151 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2023-10-26 09:06:44,151 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-10-26 09:06:44,151 INFO  L85        PathProgramCache]: Analyzing trace with hash -548589024, now seen corresponding path program 1 times
[2023-10-26 09:06:44,151 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-10-26 09:06:44,151 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670691017]
[2023-10-26 09:06:44,151 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-10-26 09:06:44,152 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-10-26 09:06:44,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-26 09:06:44,193 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-10-26 09:06:44,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-10-26 09:06:44,216 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-10-26 09:06:44,217 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-10-26 09:06:44,217 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining)
[2023-10-26 09:06:44,218 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining)
[2023-10-26 09:06:44,219 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining)
[2023-10-26 09:06:44,219 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining)
[2023-10-26 09:06:44,219 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining)
[2023-10-26 09:06:44,219 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining)
[2023-10-26 09:06:44,219 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2023-10-26 09:06:44,219 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining)
[2023-10-26 09:06:44,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining)
[2023-10-26 09:06:44,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining)
[2023-10-26 09:06:44,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining)
[2023-10-26 09:06:44,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining)
[2023-10-26 09:06:44,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining)
[2023-10-26 09:06:44,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining)
[2023-10-26 09:06:44,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining)
[2023-10-26 09:06:44,220 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-10-26 09:06:44,221 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-10-26 09:06:44,226 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances
[2023-10-26 09:06:44,229 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-10-26 09:06:44,326 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:06:44 BasicIcfg
[2023-10-26 09:06:44,326 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-10-26 09:06:44,327 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-10-26 09:06:44,327 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2023-10-26 09:06:44,327 INFO  L275        PluginConnector]: Witness Printer initialized
[2023-10-26 09:06:44,328 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:06:25" (3/4) ...
[2023-10-26 09:06:44,330 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-10-26 09:06:44,330 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-10-26 09:06:44,330 INFO  L158              Benchmark]: Toolchain (without parser) took 20357.61ms. Allocated memory was 46.3MB in the beginning and 186.6MB in the end (delta: 140.4MB). Free memory was 25.2MB in the beginning and 101.3MB in the end (delta: -76.1MB). Peak memory consumption was 64.3MB. Max. memory is 15.6GB.
[2023-10-26 09:06:44,330 INFO  L158              Benchmark]: CDTParser took 0.16ms. Allocated memory is still 41.8MB. Free memory was 17.1MB in the beginning and 17.1MB in the end (delta: 1.6kB). Peak memory consumption was 1.6kB. Max. memory is 15.6GB.
[2023-10-26 09:06:44,331 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 720.48ms. Allocated memory is still 46.3MB. Free memory was 24.9MB in the beginning and 17.1MB in the end (delta: 7.9MB). Peak memory consumption was 13.3MB. Max. memory is 15.6GB.
[2023-10-26 09:06:44,331 INFO  L158              Benchmark]: Boogie Procedure Inliner took 72.08ms. Allocated memory is still 46.3MB. Free memory was 17.1MB in the beginning and 14.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.2MB. Max. memory is 15.6GB.
[2023-10-26 09:06:44,331 INFO  L158              Benchmark]: Boogie Preprocessor took 81.86ms. Allocated memory is still 46.3MB. Free memory was 14.9MB in the beginning and 13.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.6MB. Max. memory is 15.6GB.
[2023-10-26 09:06:44,332 INFO  L158              Benchmark]: RCFGBuilder took 757.23ms. Allocated memory is still 46.3MB. Free memory was 13.1MB in the beginning and 21.7MB in the end (delta: -8.6MB). Peak memory consumption was 3.0MB. Max. memory is 15.6GB.
[2023-10-26 09:06:44,332 INFO  L158              Benchmark]: TraceAbstraction took 18708.96ms. Allocated memory was 46.3MB in the beginning and 186.6MB in the end (delta: 140.4MB). Free memory was 21.1MB in the beginning and 101.3MB in the end (delta: -80.2MB). Peak memory consumption was 107.6MB. Max. memory is 15.6GB.
[2023-10-26 09:06:44,332 INFO  L158              Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 186.6MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 15.6GB.
[2023-10-26 09:06:44,334 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.16ms. Allocated memory is still 41.8MB. Free memory was 17.1MB in the beginning and 17.1MB in the end (delta: 1.6kB). Peak memory consumption was 1.6kB. Max. memory is 15.6GB.
 * CACSL2BoogieTranslator took 720.48ms. Allocated memory is still 46.3MB. Free memory was 24.9MB in the beginning and 17.1MB in the end (delta: 7.9MB). Peak memory consumption was 13.3MB. Max. memory is 15.6GB.
 * Boogie Procedure Inliner took 72.08ms. Allocated memory is still 46.3MB. Free memory was 17.1MB in the beginning and 14.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.2MB. Max. memory is 15.6GB.
 * Boogie Preprocessor took 81.86ms. Allocated memory is still 46.3MB. Free memory was 14.9MB in the beginning and 13.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.6MB. Max. memory is 15.6GB.
 * RCFGBuilder took 757.23ms. Allocated memory is still 46.3MB. Free memory was 13.1MB in the beginning and 21.7MB in the end (delta: -8.6MB). Peak memory consumption was 3.0MB. Max. memory is 15.6GB.
 * TraceAbstraction took 18708.96ms. Allocated memory was 46.3MB in the beginning and 186.6MB in the end (delta: 140.4MB). Free memory was 21.1MB in the beginning and 101.3MB in the end (delta: -80.2MB). Peak memory consumption was 107.6MB. Max. memory is 15.6GB.
 * Witness Printer took 2.76ms. Allocated memory is still 186.6MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 15.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.5s, 135 PlacesBefore, 46 PlacesAfterwards, 136 TransitionsBefore, 45 TransitionsAfterwards, 3304 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 99 TotalNumberOfCompositions, 13696 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4677, independent: 4157, independent conditional: 0, independent unconditional: 4157, dependent: 520, dependent conditional: 0, dependent unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1589, independent: 1526, independent conditional: 0, independent unconditional: 1526, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4677, independent: 2631, independent conditional: 0, independent unconditional: 2631, dependent: 457, dependent conditional: 0, dependent unconditional: 457, unknown: 1589, unknown conditional: 0, unknown unconditional: 1589] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.0s, 166 PlacesBefore, 66 PlacesAfterwards, 165 TransitionsBefore, 63 TransitionsAfterwards, 8232 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 109 TotalNumberOfCompositions, 37435 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10143, independent: 9392, independent conditional: 0, independent unconditional: 9392, dependent: 751, dependent conditional: 0, dependent unconditional: 751, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3645, independent: 3552, independent conditional: 0, independent unconditional: 3552, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10143, independent: 5840, independent conditional: 0, independent unconditional: 5840, dependent: 658, dependent conditional: 0, dependent unconditional: 658, unknown: 3645, unknown conditional: 0, unknown unconditional: 3645] , Statistics on independence cache: Total cache size (in pairs): 478, Positive cache size: 419, Positive conditional cache size: 0, Positive unconditional cache size: 419, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - DataRaceFoundResult [Line: 685]: Data race detected
    Data race detected
The following path leads to a data race: 
[L678]               0  int threads_alive = -1;
[L679]               0  pthread_mutex_t threads_alive_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L680]               0  pthread_cond_t threads_alive_cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } };
[L681]               0  int data = 0;
[L682]               0  pthread_mutex_t data_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L694]               0  int threads_total = __VERIFIER_nondet_int();
[L695]  CALL         0  assume_abort_if_not(threads_total >= 0)
[L675]  COND FALSE   0  !(!cond)
[L695]  RET          0  assume_abort_if_not(threads_total >= 0)
[L696]               0  int i = 0;
        VAL             [data=0, data_mutex={3:0}, i=0, threads_alive=-1, threads_alive_cond={2:0}, threads_alive_mutex={1:0}, threads_total=1]
[L696]  COND TRUE    0  i < threads_total
[L698]               0  threads_alive++
[L700]               0  pthread_t tid;
[L701]  FCALL, FORK  0  pthread_create(&tid, ((void *)0), &thread, ((void *)0))
        VAL             [arg={0:0}, data=0, data_mutex={3:0}, i=0, pthread_create(&tid, ((void *)0), &thread, ((void *)0))=-1, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}, threads_total=1, tid={5:0}]
[L702]  EXPR         0  \read(tid)
[L702]               0  pthread_detach(tid)
[L696]               0  i++
[L696]  COND FALSE   0  !(i < threads_total)
[L685]               1  data = __VERIFIER_nondet_int()
        VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=49, data_mutex={3:0}, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}]
[L705]  COND FALSE   0  !(\read(threads_alive))
        VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=49, data_mutex={3:0}, i=1, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}, threads_total=1]
[L708]               0  return data;
        VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=49, data_mutex={3:0}, i=1, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}, threads_total=1]
[L685]               1  data = __VERIFIER_nondet_int()
        VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=49, data_mutex={3:0}, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}]

Now there is a data race on ~data~0 between 
	C: return data; [708]
and
	C: data = __VERIFIER_nondet_int() [685]

  - UnprovableResult [Line: 698]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 705]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 708]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 698]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 702]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 701]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 688]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 688]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 162 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.8s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 12 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=241occurred in iteration=5, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
    CFG has 4 procedures, 191 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 453 IncrementalHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 24 mSDtfsCounter, 453 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=5, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-10-26 09:06:44,436 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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