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


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


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

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42baa13f3c833f066425b90d7117bc629a4606afd0b2e1bcf57fcc9bd3837ebb
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2024-02-28 18:47:25,379 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2024-02-28 18:47:25,380 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2024-02-28 18:47:25,399 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2024-02-28 18:47:25,399 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2024-02-28 18:47:25,400 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2024-02-28 18:47:25,401 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2024-02-28 18:47:25,402 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2024-02-28 18:47:25,403 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2024-02-28 18:47:25,403 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2024-02-28 18:47:25,404 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2024-02-28 18:47:25,405 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2024-02-28 18:47:25,405 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2024-02-28 18:47:25,406 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2024-02-28 18:47:25,406 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2024-02-28 18:47:25,407 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2024-02-28 18:47:25,408 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2024-02-28 18:47:25,408 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2024-02-28 18:47:25,409 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2024-02-28 18:47:25,410 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2024-02-28 18:47:25,411 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2024-02-28 18:47:25,412 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2024-02-28 18:47:25,413 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2024-02-28 18:47:25,413 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2024-02-28 18:47:25,416 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2024-02-28 18:47:25,416 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2024-02-28 18:47:25,416 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2024-02-28 18:47:25,417 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2024-02-28 18:47:25,417 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2024-02-28 18:47:25,418 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2024-02-28 18:47:25,418 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2024-02-28 18:47:25,419 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2024-02-28 18:47:25,419 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2024-02-28 18:47:25,420 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2024-02-28 18:47:25,420 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2024-02-28 18:47:25,420 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2024-02-28 18:47:25,421 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2024-02-28 18:47:25,421 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2024-02-28 18:47:25,421 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2024-02-28 18:47:25,422 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2024-02-28 18:47:25,422 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2024-02-28 18:47:25,423 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-02-28 18:47:25,442 INFO  L113        SettingsManager]: Loading preferences was successful
[2024-02-28 18:47:25,447 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2024-02-28 18:47:25,447 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-02-28 18:47:25,447 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-02-28 18:47:25,448 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-02-28 18:47:25,448 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-02-28 18:47:25,448 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-02-28 18:47:25,448 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2024-02-28 18:47:25,449 INFO  L138        SettingsManager]:  * Use SBE=true
[2024-02-28 18:47:25,449 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-02-28 18:47:25,449 INFO  L138        SettingsManager]:  * sizeof long=4
[2024-02-28 18:47:25,449 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2024-02-28 18:47:25,449 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-02-28 18:47:25,449 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2024-02-28 18:47:25,449 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2024-02-28 18:47:25,449 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * sizeof long double=12
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-02-28 18:47:25,450 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-02-28 18:47:25,450 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-02-28 18:47:25,451 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-02-28 18:47:25,451 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-02-28 18:47:25,452 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2024-02-28 18:47:25,452 INFO  L138        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42baa13f3c833f066425b90d7117bc629a4606afd0b2e1bcf57fcc9bd3837ebb
[2024-02-28 18:47:25,616 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-02-28 18:47:25,643 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-02-28 18:47:25,645 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-02-28 18:47:25,646 INFO  L271        PluginConnector]: Initializing CDTParser...
[2024-02-28 18:47:25,646 INFO  L275        PluginConnector]: CDTParser initialized
[2024-02-28 18:47:25,647 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-dynamic-race.i
[2024-02-28 18:47:26,666 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2024-02-28 18:47:26,877 INFO  L351              CDTParser]: Found 1 translation units.
[2024-02-28 18:47:26,877 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-dynamic-race.i
[2024-02-28 18:47:26,889 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/dfdc5f181/5e05f5c8aac9410ea98627a2aa2902cf/FLAGc5cf04bbb
[2024-02-28 18:47:26,900 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/dfdc5f181/5e05f5c8aac9410ea98627a2aa2902cf
[2024-02-28 18:47:26,902 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-02-28 18:47:26,903 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-02-28 18:47:26,904 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-02-28 18:47:26,904 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-02-28 18:47:26,906 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-02-28 18:47:26,907 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.02 06:47:26" (1/1) ...
[2024-02-28 18:47:26,908 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc605d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:26, skipping insertion in model container
[2024-02-28 18:47:26,908 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.02 06:47:26" (1/1) ...
[2024-02-28 18:47:26,913 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2024-02-28 18:47:26,943 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2024-02-28 18:47:27,063 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2024-02-28 18:47:27,219 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-02-28 18:47:27,227 INFO  L203         MainTranslator]: Completed pre-run
[2024-02-28 18:47:27,236 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2024-02-28 18:47:27,257 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-02-28 18:47:27,293 INFO  L208         MainTranslator]: Completed translation
[2024-02-28 18:47:27,293 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27 WrapperNode
[2024-02-28 18:47:27,293 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-02-28 18:47:27,294 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-02-28 18:47:27,294 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-02-28 18:47:27,294 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2024-02-28 18:47:27,299 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,312 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,329 INFO  L138                Inliner]: procedures = 269, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84
[2024-02-28 18:47:27,329 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-02-28 18:47:27,329 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-02-28 18:47:27,329 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2024-02-28 18:47:27,329 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2024-02-28 18:47:27,337 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,337 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,340 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,340 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,346 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,348 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,350 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,351 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,353 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-02-28 18:47:27,353 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-02-28 18:47:27,353 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2024-02-28 18:47:27,354 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2024-02-28 18:47:27,354 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (1/1) ...
[2024-02-28 18:47:27,358 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-02-28 18:47:27,365 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-02-28 18:47:27,375 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-02-28 18:47:27,381 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-02-28 18:47:27,407 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-02-28 18:47:27,407 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-02-28 18:47:27,407 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-02-28 18:47:27,408 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-02-28 18:47:27,408 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-02-28 18:47:27,408 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-02-28 18:47:27,408 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-02-28 18:47:27,408 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-02-28 18:47:27,408 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-02-28 18:47:27,409 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-02-28 18:47:27,409 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-02-28 18:47:27,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-02-28 18:47:27,409 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-02-28 18:47:27,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-02-28 18:47:27,411 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2024-02-28 18:47:27,541 INFO  L235             CfgBuilder]: Building ICFG
[2024-02-28 18:47:27,542 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-02-28 18:47:27,714 INFO  L276             CfgBuilder]: Performing block encoding
[2024-02-28 18:47:27,719 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-02-28 18:47:27,719 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2024-02-28 18:47:27,721 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 06:47:27 BoogieIcfgContainer
[2024-02-28 18:47:27,721 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-02-28 18:47:27,723 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-02-28 18:47:27,723 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2024-02-28 18:47:27,725 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2024-02-28 18:47:27,725 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.02 06:47:26" (1/3) ...
[2024-02-28 18:47:27,726 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f85fd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.02 06:47:27, skipping insertion in model container
[2024-02-28 18:47:27,726 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 06:47:27" (2/3) ...
[2024-02-28 18:47:27,726 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f85fd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.02 06:47:27, skipping insertion in model container
[2024-02-28 18:47:27,726 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 06:47:27" (3/3) ...
[2024-02-28 18:47:27,727 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-array-dynamic-race.i
[2024-02-28 18:47:27,733 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-02-28 18:47:27,740 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-02-28 18:47:27,740 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-02-28 18:47:27,740 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-02-28 18:47:27,781 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-02-28 18:47:27,821 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 108 places, 109 transitions, 226 flow
[2024-02-28 18:47:27,881 INFO  L130       PetriNetUnfolder]: 6/158 cut-off events.
[2024-02-28 18:47:27,881 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-02-28 18:47:27,885 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 164 conditions, 158 events. 6/158 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 302 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 81. Up to 4 conditions per place. 
[2024-02-28 18:47:27,885 INFO  L82        GeneralOperation]: Start removeDead. Operand has 108 places, 109 transitions, 226 flow
[2024-02-28 18:47:27,889 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 108 places, 109 transitions, 226 flow
[2024-02-28 18:47:27,892 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-02-28 18:47:27,900 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 109 transitions, 226 flow
[2024-02-28 18:47:27,902 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 109 transitions, 226 flow
[2024-02-28 18:47:27,903 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 108 places, 109 transitions, 226 flow
[2024-02-28 18:47:27,929 INFO  L130       PetriNetUnfolder]: 6/158 cut-off events.
[2024-02-28 18:47:27,929 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-02-28 18:47:27,930 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 164 conditions, 158 events. 6/158 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 302 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 81. Up to 4 conditions per place. 
[2024-02-28 18:47:27,931 INFO  L119        LiptonReduction]: Number of co-enabled transitions 1568
[2024-02-28 18:47:32,238 INFO  L134        LiptonReduction]: Checked pairs total: 2097
[2024-02-28 18:47:32,239 INFO  L136        LiptonReduction]: Total number of compositions: 105
[2024-02-28 18:47:32,252 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-28 18:47:32,257 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;@2a8adc5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-02-28 18:47:32,257 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-02-28 18:47:32,259 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2024-02-28 18:47:32,259 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 18:47:32,259 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:47:32,259 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-02-28 18:47:32,260 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-02-28 18:47:32,263 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:47:32,263 INFO  L85        PathProgramCache]: Analyzing trace with hash 12504, now seen corresponding path program 1 times
[2024-02-28 18:47:32,270 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:47:32,270 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154415739]
[2024-02-28 18:47:32,270 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:47:32,270 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:47:32,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:47:32,381 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:47:32,381 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:47:32,381 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154415739]
[2024-02-28 18:47:32,382 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154415739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:47:32,382 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:47:32,382 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-02-28 18:47:32,383 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108410569]
[2024-02-28 18:47:32,384 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:47:32,389 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-02-28 18:47:32,389 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:47:32,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-02-28 18:47:32,405 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-02-28 18:47:32,407 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 214
[2024-02-28 18:47:32,408 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 50 flow. Second operand  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,408 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:47:32,409 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 214
[2024-02-28 18:47:32,409 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:47:32,453 INFO  L130       PetriNetUnfolder]: 19/66 cut-off events.
[2024-02-28 18:47:32,454 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-02-28 18:47:32,454 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 127 conditions, 66 events. 19/66 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 206 event pairs, 18 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 99. Up to 55 conditions per place. 
[2024-02-28 18:47:32,455 INFO  L137   encePairwiseOnDemand]: 210/214 looper letters, 13 selfloop transitions, 0 changer transitions 0/17 dead transitions.
[2024-02-28 18:47:32,455 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 17 transitions, 68 flow
[2024-02-28 18:47:32,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-02-28 18:47:32,458 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-02-28 18:47:32,463 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 225 transitions.
[2024-02-28 18:47:32,465 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5257009345794392
[2024-02-28 18:47:32,465 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 225 transitions.
[2024-02-28 18:47:32,466 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 225 transitions.
[2024-02-28 18:47:32,467 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:47:32,468 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 225 transitions.
[2024-02-28 18:47:32,470 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 112.5) internal successors, (225), 2 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,474 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,475 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,476 INFO  L175             Difference]: Start difference. First operand has 23 places, 21 transitions, 50 flow. Second operand 2 states and 225 transitions.
[2024-02-28 18:47:32,476 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 17 transitions, 68 flow
[2024-02-28 18:47:32,478 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 17 transitions, 68 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 18:47:32,479 INFO  L231             Difference]: Finished difference. Result has 20 places, 17 transitions, 42 flow
[2024-02-28 18:47:32,480 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=42, PETRI_PLACES=20, PETRI_TRANSITIONS=17}
[2024-02-28 18:47:32,482 INFO  L288   CegarLoopForPetriNet]: 23 programPoint places, -3 predicate places.
[2024-02-28 18:47:32,483 INFO  L495      AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 42 flow
[2024-02-28 18:47:32,483 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,483 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:47:32,483 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-02-28 18:47:32,483 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-02-28 18:47:32,484 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-02-28 18:47:32,484 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:47:32,484 INFO  L85        PathProgramCache]: Analyzing trace with hash 11981218, now seen corresponding path program 1 times
[2024-02-28 18:47:32,484 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:47:32,484 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268095193]
[2024-02-28 18:47:32,485 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:47:32,485 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:47:32,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:47:32,538 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:47:32,538 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:47:32,538 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268095193]
[2024-02-28 18:47:32,538 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268095193] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:47:32,538 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:47:32,539 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:47:32,539 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673447973]
[2024-02-28 18:47:32,539 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:47:32,540 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:47:32,540 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:47:32,540 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:47:32,540 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:47:32,553 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 214
[2024-02-28 18:47:32,554 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 42 flow. Second operand  has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,554 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:47:32,554 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 214
[2024-02-28 18:47:32,554 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:47:32,617 INFO  L130       PetriNetUnfolder]: 24/81 cut-off events.
[2024-02-28 18:47:32,617 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-02-28 18:47:32,618 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 161 conditions, 81 events. 24/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 280 event pairs, 13 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 157. Up to 50 conditions per place. 
[2024-02-28 18:47:32,618 INFO  L137   encePairwiseOnDemand]: 210/214 looper letters, 14 selfloop transitions, 3 changer transitions 3/22 dead transitions.
[2024-02-28 18:47:32,619 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 22 transitions, 92 flow
[2024-02-28 18:47:32,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:47:32,619 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:47:32,621 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions.
[2024-02-28 18:47:32,623 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5
[2024-02-28 18:47:32,623 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 321 transitions.
[2024-02-28 18:47:32,623 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions.
[2024-02-28 18:47:32,624 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:47:32,624 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions.
[2024-02-28 18:47:32,626 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,628 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,629 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,629 INFO  L175             Difference]: Start difference. First operand has 20 places, 17 transitions, 42 flow. Second operand 3 states and 321 transitions.
[2024-02-28 18:47:32,629 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 22 transitions, 92 flow
[2024-02-28 18:47:32,629 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 22 transitions, 92 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 18:47:32,630 INFO  L231             Difference]: Finished difference. Result has 24 places, 17 transitions, 57 flow
[2024-02-28 18:47:32,630 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=24, PETRI_TRANSITIONS=17}
[2024-02-28 18:47:32,630 INFO  L288   CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places.
[2024-02-28 18:47:32,631 INFO  L495      AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 57 flow
[2024-02-28 18:47:32,631 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:32,631 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:47:32,631 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-02-28 18:47:32,631 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-02-28 18:47:32,631 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-02-28 18:47:32,632 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:47:32,632 INFO  L85        PathProgramCache]: Analyzing trace with hash -1330178479, now seen corresponding path program 1 times
[2024-02-28 18:47:32,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:47:32,632 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635514808]
[2024-02-28 18:47:32,632 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:47:32,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:47:32,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:47:32,675 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-02-28 18:47:32,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:47:32,705 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-02-28 18:47:32,705 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-02-28 18:47:32,706 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining)
[2024-02-28 18:47:32,707 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2024-02-28 18:47:32,707 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2024-02-28 18:47:32,707 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2024-02-28 18:47:32,708 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2024-02-28 18:47:32,708 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2024-02-28 18:47:32,708 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2024-02-28 18:47:32,708 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2024-02-28 18:47:32,708 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-02-28 18:47:32,708 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-02-28 18:47:32,710 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-02-28 18:47:32,710 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-02-28 18:47:32,723 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-02-28 18:47:32,726 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 268 flow
[2024-02-28 18:47:32,748 INFO  L130       PetriNetUnfolder]: 11/276 cut-off events.
[2024-02-28 18:47:32,749 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-02-28 18:47:32,749 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 290 conditions, 276 events. 11/276 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 636 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 160. Up to 8 conditions per place. 
[2024-02-28 18:47:32,749 INFO  L82        GeneralOperation]: Start removeDead. Operand has 125 places, 125 transitions, 268 flow
[2024-02-28 18:47:32,750 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 125 places, 125 transitions, 268 flow
[2024-02-28 18:47:32,750 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-02-28 18:47:32,751 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 125 transitions, 268 flow
[2024-02-28 18:47:32,751 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 125 transitions, 268 flow
[2024-02-28 18:47:32,751 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 268 flow
[2024-02-28 18:47:32,769 INFO  L130       PetriNetUnfolder]: 11/276 cut-off events.
[2024-02-28 18:47:32,769 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-02-28 18:47:32,769 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 290 conditions, 276 events. 11/276 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 636 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 160. Up to 8 conditions per place. 
[2024-02-28 18:47:32,772 INFO  L119        LiptonReduction]: Number of co-enabled transitions 3892
[2024-02-28 18:47:36,469 INFO  L134        LiptonReduction]: Checked pairs total: 7634
[2024-02-28 18:47:36,469 INFO  L136        LiptonReduction]: Total number of compositions: 107
[2024-02-28 18:47:36,471 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-28 18:47:36,472 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;@2a8adc5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-02-28 18:47:36,472 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-02-28 18:47:36,473 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2024-02-28 18:47:36,473 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 18:47:36,474 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:47:36,474 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-02-28 18:47:36,474 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-02-28 18:47:36,474 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:47:36,474 INFO  L85        PathProgramCache]: Analyzing trace with hash 20441, now seen corresponding path program 1 times
[2024-02-28 18:47:36,474 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:47:36,474 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444826473]
[2024-02-28 18:47:36,474 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:47:36,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:47:36,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:47:36,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:47:36,488 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:47:36,488 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444826473]
[2024-02-28 18:47:36,489 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444826473] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:47:36,489 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:47:36,489 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-02-28 18:47:36,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100616165]
[2024-02-28 18:47:36,489 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:47:36,489 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-02-28 18:47:36,489 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:47:36,490 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-02-28 18:47:36,490 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-02-28 18:47:36,490 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 118 out of 232
[2024-02-28 18:47:36,490 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 84 flow. Second operand  has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,491 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:47:36,491 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 232
[2024-02-28 18:47:36,491 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:47:36,596 INFO  L130       PetriNetUnfolder]: 378/759 cut-off events.
[2024-02-28 18:47:36,596 INFO  L131       PetriNetUnfolder]: For 38/38 co-relation queries the response was YES.
[2024-02-28 18:47:36,598 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1466 conditions, 759 events. 378/759 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3813 event pairs, 371 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 519. Up to 666 conditions per place. 
[2024-02-28 18:47:36,600 INFO  L137   encePairwiseOnDemand]: 228/232 looper letters, 21 selfloop transitions, 0 changer transitions 0/29 dead transitions.
[2024-02-28 18:47:36,600 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 118 flow
[2024-02-28 18:47:36,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-02-28 18:47:36,601 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-02-28 18:47:36,601 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 261 transitions.
[2024-02-28 18:47:36,602 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5625
[2024-02-28 18:47:36,602 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 261 transitions.
[2024-02-28 18:47:36,602 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 261 transitions.
[2024-02-28 18:47:36,602 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:47:36,602 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 261 transitions.
[2024-02-28 18:47:36,603 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 130.5) internal successors, (261), 2 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,604 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,605 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,605 INFO  L175             Difference]: Start difference. First operand has 36 places, 33 transitions, 84 flow. Second operand 2 states and 261 transitions.
[2024-02-28 18:47:36,605 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 118 flow
[2024-02-28 18:47:36,605 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 29 transitions, 118 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 18:47:36,606 INFO  L231             Difference]: Finished difference. Result has 33 places, 29 transitions, 76 flow
[2024-02-28 18:47:36,606 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=76, PETRI_PLACES=33, PETRI_TRANSITIONS=29}
[2024-02-28 18:47:36,607 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, -3 predicate places.
[2024-02-28 18:47:36,607 INFO  L495      AbstractCegarLoop]: Abstraction has has 33 places, 29 transitions, 76 flow
[2024-02-28 18:47:36,607 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,607 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:47:36,607 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-02-28 18:47:36,607 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-02-28 18:47:36,607 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-02-28 18:47:36,608 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:47:36,608 INFO  L85        PathProgramCache]: Analyzing trace with hash 19618577, now seen corresponding path program 1 times
[2024-02-28 18:47:36,608 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:47:36,608 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176168102]
[2024-02-28 18:47:36,608 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:47:36,608 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:47:36,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:47:36,632 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:47:36,632 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:47:36,632 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176168102]
[2024-02-28 18:47:36,632 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176168102] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:47:36,632 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:47:36,632 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:47:36,633 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024739703]
[2024-02-28 18:47:36,633 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:47:36,633 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:47:36,633 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:47:36,634 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:47:36,634 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:47:36,648 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 113 out of 232
[2024-02-28 18:47:36,649 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 29 transitions, 76 flow. Second operand  has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,649 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:47:36,649 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 232
[2024-02-28 18:47:36,649 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:47:36,773 INFO  L130       PetriNetUnfolder]: 679/1281 cut-off events.
[2024-02-28 18:47:36,773 INFO  L131       PetriNetUnfolder]: For 42/42 co-relation queries the response was YES.
[2024-02-28 18:47:36,774 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2525 conditions, 1281 events. 679/1281 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6792 event pairs, 416 based on Foata normal form. 0/1156 useless extension candidates. Maximal degree in co-relation 2520. Up to 850 conditions per place. 
[2024-02-28 18:47:36,778 INFO  L137   encePairwiseOnDemand]: 227/232 looper letters, 32 selfloop transitions, 4 changer transitions 0/41 dead transitions.
[2024-02-28 18:47:36,778 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 172 flow
[2024-02-28 18:47:36,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:47:36,779 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:47:36,779 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions.
[2024-02-28 18:47:36,780 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5402298850574713
[2024-02-28 18:47:36,780 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 376 transitions.
[2024-02-28 18:47:36,780 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions.
[2024-02-28 18:47:36,780 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:47:36,780 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions.
[2024-02-28 18:47:36,781 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,783 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,783 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,783 INFO  L175             Difference]: Start difference. First operand has 33 places, 29 transitions, 76 flow. Second operand 3 states and 376 transitions.
[2024-02-28 18:47:36,783 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 172 flow
[2024-02-28 18:47:36,784 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 172 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 18:47:36,784 INFO  L231             Difference]: Finished difference. Result has 37 places, 32 transitions, 106 flow
[2024-02-28 18:47:36,785 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=37, PETRI_TRANSITIONS=32}
[2024-02-28 18:47:36,785 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places.
[2024-02-28 18:47:36,785 INFO  L495      AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 106 flow
[2024-02-28 18:47:36,786 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,786 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:47:36,786 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:47:36,786 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-02-28 18:47:36,786 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-02-28 18:47:36,786 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:47:36,786 INFO  L85        PathProgramCache]: Analyzing trace with hash 1542766331, now seen corresponding path program 1 times
[2024-02-28 18:47:36,787 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:47:36,787 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029846145]
[2024-02-28 18:47:36,787 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:47:36,787 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:47:36,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 18:47:36,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 18:47:36,820 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 18:47:36,820 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029846145]
[2024-02-28 18:47:36,820 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029846145] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 18:47:36,820 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 18:47:36,820 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 18:47:36,820 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486908732]
[2024-02-28 18:47:36,821 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 18:47:36,821 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 18:47:36,821 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 18:47:36,821 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 18:47:36,821 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 18:47:36,836 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 111 out of 232
[2024-02-28 18:47:36,837 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 106 flow. Second operand  has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:36,837 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 18:47:36,837 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 232
[2024-02-28 18:47:36,837 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 18:47:37,011 INFO  L130       PetriNetUnfolder]: 739/1420 cut-off events.
[2024-02-28 18:47:37,011 INFO  L131       PetriNetUnfolder]: For 329/329 co-relation queries the response was YES.
[2024-02-28 18:47:37,012 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3150 conditions, 1420 events. 739/1420 cut-off events. For 329/329 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8161 event pairs, 430 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 3143. Up to 943 conditions per place. 
[2024-02-28 18:47:37,016 INFO  L137   encePairwiseOnDemand]: 226/232 looper letters, 35 selfloop transitions, 7 changer transitions 0/49 dead transitions.
[2024-02-28 18:47:37,016 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 49 transitions, 242 flow
[2024-02-28 18:47:37,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 18:47:37,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 18:47:37,017 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions.
[2024-02-28 18:47:37,018 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5359195402298851
[2024-02-28 18:47:37,018 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 373 transitions.
[2024-02-28 18:47:37,018 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions.
[2024-02-28 18:47:37,018 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 18:47:37,018 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions.
[2024-02-28 18:47:37,019 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:37,020 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:37,021 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:37,021 INFO  L175             Difference]: Start difference. First operand has 37 places, 32 transitions, 106 flow. Second operand 3 states and 373 transitions.
[2024-02-28 18:47:37,021 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 49 transitions, 242 flow
[2024-02-28 18:47:37,024 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 49 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 18:47:37,025 INFO  L231             Difference]: Finished difference. Result has 39 places, 37 transitions, 154 flow
[2024-02-28 18:47:37,025 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=39, PETRI_TRANSITIONS=37}
[2024-02-28 18:47:37,026 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 3 predicate places.
[2024-02-28 18:47:37,026 INFO  L495      AbstractCegarLoop]: Abstraction has has 39 places, 37 transitions, 154 flow
[2024-02-28 18:47:37,026 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 18:47:37,026 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 18:47:37,026 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 18:47:37,026 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-02-28 18:47:37,026 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-02-28 18:47:37,027 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 18:47:37,027 INFO  L85        PathProgramCache]: Analyzing trace with hash 446003033, now seen corresponding path program 1 times
[2024-02-28 18:47:37,027 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 18:47:37,027 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631979904]
[2024-02-28 18:47:37,027 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 18:47:37,027 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 18:47:37,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:47:37,048 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-02-28 18:47:37,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 18:47:37,062 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-02-28 18:47:37,062 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-02-28 18:47:37,062 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining)
[2024-02-28 18:47:37,062 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-02-28 18:47:37,063 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-02-28 18:47:37,063 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-02-28 18:47:37,063 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2024-02-28 18:47:37,063 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining)
[2024-02-28 18:47:37,063 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2024-02-28 18:47:37,063 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-02-28 18:47:37,063 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-02-28 18:47:37,063 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-02-28 18:47:37,064 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-02-28 18:47:37,067 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances
[2024-02-28 18:47:37,067 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2024-02-28 18:47:37,090 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.02 06:47:37 BasicIcfg
[2024-02-28 18:47:37,090 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-02-28 18:47:37,091 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-02-28 18:47:37,091 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2024-02-28 18:47:37,091 INFO  L275        PluginConnector]: Witness Printer initialized
[2024-02-28 18:47:37,091 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 06:47:27" (3/4) ...
[2024-02-28 18:47:37,093 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2024-02-28 18:47:37,093 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-02-28 18:47:37,094 INFO  L158              Benchmark]: Toolchain (without parser) took 10191.11ms. Allocated memory was 144.7MB in the beginning and 222.3MB in the end (delta: 77.6MB). Free memory was 106.5MB in the beginning and 128.2MB in the end (delta: -21.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB.
[2024-02-28 18:47:37,094 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 144.7MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-02-28 18:47:37,095 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 390.10ms. Allocated memory is still 144.7MB. Free memory was 106.5MB in the beginning and 78.5MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2024-02-28 18:47:37,095 INFO  L158              Benchmark]: Boogie Procedure Inliner took 34.67ms. Allocated memory is still 144.7MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-28 18:47:37,095 INFO  L158              Benchmark]: Boogie Preprocessor took 23.54ms. Allocated memory is still 144.7MB. Free memory was 76.0MB in the beginning and 73.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-28 18:47:37,096 INFO  L158              Benchmark]: RCFGBuilder took 368.02ms. Allocated memory is still 144.7MB. Free memory was 73.9MB in the beginning and 57.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-02-28 18:47:37,096 INFO  L158              Benchmark]: TraceAbstraction took 9367.50ms. Allocated memory was 144.7MB in the beginning and 222.3MB in the end (delta: 77.6MB). Free memory was 57.1MB in the beginning and 129.2MB in the end (delta: -72.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB.
[2024-02-28 18:47:37,096 INFO  L158              Benchmark]: Witness Printer took 2.55ms. Allocated memory is still 222.3MB. Free memory was 129.2MB in the beginning and 128.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-02-28 18:47:37,098 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 144.7MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 390.10ms. Allocated memory is still 144.7MB. Free memory was 106.5MB in the beginning and 78.5MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 34.67ms. Allocated memory is still 144.7MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 23.54ms. Allocated memory is still 144.7MB. Free memory was 76.0MB in the beginning and 73.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 368.02ms. Allocated memory is still 144.7MB. Free memory was 73.9MB in the beginning and 57.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 9367.50ms. Allocated memory was 144.7MB in the beginning and 222.3MB in the end (delta: 77.6MB). Free memory was 57.1MB in the beginning and 129.2MB in the end (delta: -72.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB.
 * Witness Printer took 2.55ms. Allocated memory is still 222.3MB. Free memory was 129.2MB in the beginning and 128.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.3s, 108 PlacesBefore, 23 PlacesAfterwards, 109 TransitionsBefore, 21 TransitionsAfterwards, 1568 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 105 TotalNumberOfCompositions, 2097 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1680, independent: 1610, independent conditional: 0, independent unconditional: 1610, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 856, independent: 838, independent conditional: 0, independent unconditional: 838, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1680, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 856, unknown conditional: 0, unknown unconditional: 856] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 3.7s, 125 PlacesBefore, 36 PlacesAfterwards, 125 TransitionsBefore, 33 TransitionsAfterwards, 3892 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 107 TotalNumberOfCompositions, 7634 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4256, independent: 4087, independent conditional: 0, independent unconditional: 4087, dependent: 169, dependent conditional: 0, dependent unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2014, independent: 1979, independent conditional: 0, independent unconditional: 1979, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4256, independent: 2108, independent conditional: 0, independent unconditional: 2108, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 2014, unknown conditional: 0, unknown unconditional: 2014] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - DataRaceFoundResult [Line: 1032]: Data race detected
    Data race detected
The following path leads to a data race: 
[L1013]               0  int data = 0;
[L1014]               0  pthread_mutex_t data_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L1022]               0  int threads_total = __VERIFIER_nondet_int();
[L1023]  CALL         0  assume_abort_if_not(threads_total >= 0)
[L1010]  COND FALSE   0  !(!cond)
[L1023]  RET          0  assume_abort_if_not(threads_total >= 0)
[L1024]               0  pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
[L1024]               0  pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
[L1025]               0  int i = 0;
         VAL             [data=0, data_mutex={1:0}, i=0, threads_total=1, tids={5:0}]
[L1025]  COND TRUE    0  i < threads_total
[L1026]  EXPR         0  \read(*tids)
[L1026]  EXPR         0  tids[i]
[L1026]  FCALL, FORK  0  pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
         VAL             [\read(*tids)={-1:0}, arg={0:0}, data=0, data_mutex={1:0}, i=0, pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))=0, threads_total=1, tids={5:0}]
[L1025]               0  i++
         VAL             [arg={0:0}, data=0, data_mutex={1:0}, i=1, threads_total=1, tids={5:0}]
[L1025]  COND FALSE   0  !(i < threads_total)
[L1028]               0  int i = 0;
         VAL             [arg={0:0}, data=0, data_mutex={1:0}, i=0, i=1, threads_total=1, tids={5:0}]
[L1028]  COND FALSE   0  !(i < threads_total - 1)
[L1031]  EXPR         0  \read(*tids)
[L1031]               0  free(tids)
[L1032]               0  return data;
         VAL             [arg={0:0}, data=0, data_mutex={1:0}, i=0, i=1, threads_total=1, tids={5:0}]
[L1017]               1  data = __VERIFIER_nondet_int()
         VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=25, data_mutex={1:0}]
[L1032]               0  return data;
         VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=25, data_mutex={1:0}, i=0, i=1, threads_total=1, tids={5:0}]

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

  - UnprovableResult [Line: 1026]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1029]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1031]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1029]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1026]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1017]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 121 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
    CFG has 4 procedures, 136 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 10 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-02-28 18:47:37,132 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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