./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/semaphore-posix.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/semaphore-posix.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 9bf68f00d4de47a0b809eb689026d85ffac609fb9835ba75a1c760fa75bcf5fc
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2024-03-11 22:54:07,983 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2024-03-11 22:54:07,985 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2024-03-11 22:54:08,005 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2024-03-11 22:54:08,005 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2024-03-11 22:54:08,006 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2024-03-11 22:54:08,007 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2024-03-11 22:54:08,008 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2024-03-11 22:54:08,009 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2024-03-11 22:54:08,010 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2024-03-11 22:54:08,011 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2024-03-11 22:54:08,011 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2024-03-11 22:54:08,012 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2024-03-11 22:54:08,012 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2024-03-11 22:54:08,013 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2024-03-11 22:54:08,014 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2024-03-11 22:54:08,014 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2024-03-11 22:54:08,015 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2024-03-11 22:54:08,016 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2024-03-11 22:54:08,017 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2024-03-11 22:54:08,018 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2024-03-11 22:54:08,019 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2024-03-11 22:54:08,020 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2024-03-11 22:54:08,021 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2024-03-11 22:54:08,023 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2024-03-11 22:54:08,023 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2024-03-11 22:54:08,023 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2024-03-11 22:54:08,024 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2024-03-11 22:54:08,024 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2024-03-11 22:54:08,025 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2024-03-11 22:54:08,025 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2024-03-11 22:54:08,026 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2024-03-11 22:54:08,026 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2024-03-11 22:54:08,027 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2024-03-11 22:54:08,028 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2024-03-11 22:54:08,028 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2024-03-11 22:54:08,028 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2024-03-11 22:54:08,028 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2024-03-11 22:54:08,028 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2024-03-11 22:54:08,029 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2024-03-11 22:54:08,029 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2024-03-11 22:54:08,030 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-03-11 22:54:08,060 INFO  L113        SettingsManager]: Loading preferences was successful
[2024-03-11 22:54:08,061 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2024-03-11 22:54:08,061 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-03-11 22:54:08,061 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-03-11 22:54:08,062 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-03-11 22:54:08,062 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-03-11 22:54:08,063 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-03-11 22:54:08,063 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2024-03-11 22:54:08,063 INFO  L138        SettingsManager]:  * Use SBE=true
[2024-03-11 22:54:08,063 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-03-11 22:54:08,064 INFO  L138        SettingsManager]:  * sizeof long=4
[2024-03-11 22:54:08,064 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2024-03-11 22:54:08,064 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-03-11 22:54:08,064 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2024-03-11 22:54:08,064 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2024-03-11 22:54:08,064 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-03-11 22:54:08,064 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-03-11 22:54:08,065 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-03-11 22:54:08,065 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-03-11 22:54:08,065 INFO  L138        SettingsManager]:  * sizeof long double=12
[2024-03-11 22:54:08,065 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2024-03-11 22:54:08,065 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2024-03-11 22:54:08,065 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-03-11 22:54:08,066 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-03-11 22:54:08,066 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-03-11 22:54:08,066 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-03-11 22:54:08,066 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-11 22:54:08,066 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-03-11 22:54:08,067 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-03-11 22:54:08,067 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-03-11 22:54:08,067 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-03-11 22:54:08,068 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-03-11 22:54:08,068 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-03-11 22:54:08,068 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-03-11 22:54:08,068 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-03-11 22:54:08,068 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-03-11 22:54:08,068 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2024-03-11 22:54:08,068 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 -> 9bf68f00d4de47a0b809eb689026d85ffac609fb9835ba75a1c760fa75bcf5fc
[2024-03-11 22:54:08,235 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-03-11 22:54:08,254 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-03-11 22:54:08,256 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-03-11 22:54:08,257 INFO  L271        PluginConnector]: Initializing CDTParser...
[2024-03-11 22:54:08,258 INFO  L275        PluginConnector]: CDTParser initialized
[2024-03-11 22:54:08,259 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/semaphore-posix.i
[2024-03-11 22:54:09,372 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2024-03-11 22:54:09,572 INFO  L351              CDTParser]: Found 1 translation units.
[2024-03-11 22:54:09,572 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/semaphore-posix.i
[2024-03-11 22:54:09,582 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/968386289/1581e9fe66cb4fe5b77d7e6ce826d93e/FLAGe01bd6498
[2024-03-11 22:54:09,592 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/968386289/1581e9fe66cb4fe5b77d7e6ce826d93e
[2024-03-11 22:54:09,595 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-03-11 22:54:09,596 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-03-11 22:54:09,597 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-03-11 22:54:09,597 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-03-11 22:54:09,600 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-03-11 22:54:09,601 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:09,601 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213a7584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09, skipping insertion in model container
[2024-03-11 22:54:09,602 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:09,607 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2024-03-11 22:54:09,639 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2024-03-11 22:54:09,759 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2024-03-11 22:54:09,874 WARN  L623        FunctionHandler]: Unknown extern function sem_wait
[2024-03-11 22:54:09,879 WARN  L623        FunctionHandler]: Unknown extern function sem_post
[2024-03-11 22:54:09,881 WARN  L623        FunctionHandler]: Unknown extern function sem_init
[2024-03-11 22:54:09,890 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-11 22:54:09,898 INFO  L203         MainTranslator]: Completed pre-run
[2024-03-11 22:54:09,908 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2024-03-11 22:54:09,924 WARN  L623        FunctionHandler]: Unknown extern function sem_wait
[2024-03-11 22:54:09,925 WARN  L623        FunctionHandler]: Unknown extern function sem_post
[2024-03-11 22:54:09,925 WARN  L623        FunctionHandler]: Unknown extern function sem_init
[2024-03-11 22:54:09,931 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-11 22:54:09,983 INFO  L208         MainTranslator]: Completed translation
[2024-03-11 22:54:09,983 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09 WrapperNode
[2024-03-11 22:54:09,983 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-03-11 22:54:09,984 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-03-11 22:54:09,985 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-03-11 22:54:09,985 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2024-03-11 22:54:09,991 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,006 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,025 INFO  L138                Inliner]: procedures = 278, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96
[2024-03-11 22:54:10,026 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-03-11 22:54:10,026 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-03-11 22:54:10,026 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2024-03-11 22:54:10,026 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2024-03-11 22:54:10,034 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,034 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,037 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,038 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,044 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,047 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,048 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,049 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,051 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-03-11 22:54:10,052 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-03-11 22:54:10,052 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2024-03-11 22:54:10,052 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2024-03-11 22:54:10,053 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (1/1) ...
[2024-03-11 22:54:10,057 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-11 22:54:10,065 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 22:54:10,092 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-03-11 22:54:10,095 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-03-11 22:54:10,117 INFO  L130     BoogieDeclarations]: Found specification of procedure sem_init
[2024-03-11 22:54:10,117 INFO  L130     BoogieDeclarations]: Found specification of procedure sem_post
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure sem_wait
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-03-11 22:54:10,118 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-03-11 22:54:10,118 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-03-11 22:54:10,119 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-03-11 22:54:10,119 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-03-11 22:54:10,120 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2024-03-11 22:54:10,266 INFO  L235             CfgBuilder]: Building ICFG
[2024-03-11 22:54:10,267 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-03-11 22:54:10,462 INFO  L276             CfgBuilder]: Performing block encoding
[2024-03-11 22:54:10,468 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-03-11 22:54:10,468 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2024-03-11 22:54:10,470 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:54:10 BoogieIcfgContainer
[2024-03-11 22:54:10,470 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-03-11 22:54:10,472 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-03-11 22:54:10,472 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2024-03-11 22:54:10,474 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2024-03-11 22:54:10,474 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 10:54:09" (1/3) ...
[2024-03-11 22:54:10,475 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8b711e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:54:10, skipping insertion in model container
[2024-03-11 22:54:10,475 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:54:09" (2/3) ...
[2024-03-11 22:54:10,475 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8b711e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:54:10, skipping insertion in model container
[2024-03-11 22:54:10,475 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:54:10" (3/3) ...
[2024-03-11 22:54:10,476 INFO  L112   eAbstractionObserver]: Analyzing ICFG semaphore-posix.i
[2024-03-11 22:54:10,482 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-03-11 22:54:10,489 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-03-11 22:54:10,489 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2024-03-11 22:54:10,489 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-03-11 22:54:10,526 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-03-11 22:54:10,553 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 122 places, 123 transitions, 254 flow
[2024-03-11 22:54:10,601 INFO  L130       PetriNetUnfolder]: 6/169 cut-off events.
[2024-03-11 22:54:10,601 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 22:54:10,605 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 175 conditions, 169 events. 6/169 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 295 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 92. Up to 4 conditions per place. 
[2024-03-11 22:54:10,605 INFO  L82        GeneralOperation]: Start removeDead. Operand has 122 places, 123 transitions, 254 flow
[2024-03-11 22:54:10,609 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 122 places, 123 transitions, 254 flow
[2024-03-11 22:54:10,611 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 22:54:10,618 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 123 transitions, 254 flow
[2024-03-11 22:54:10,620 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 123 transitions, 254 flow
[2024-03-11 22:54:10,620 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 122 places, 123 transitions, 254 flow
[2024-03-11 22:54:10,652 INFO  L130       PetriNetUnfolder]: 6/169 cut-off events.
[2024-03-11 22:54:10,652 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 22:54:10,653 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 175 conditions, 169 events. 6/169 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 295 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 92. Up to 4 conditions per place. 
[2024-03-11 22:54:10,654 INFO  L119        LiptonReduction]: Number of co-enabled transitions 1802
[2024-03-11 22:54:15,075 INFO  L134        LiptonReduction]: Checked pairs total: 1448
[2024-03-11 22:54:15,075 INFO  L136        LiptonReduction]: Total number of compositions: 128
[2024-03-11 22:54:15,088 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 22:54:15,093 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;@5969277b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 22:54:15,094 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-03-11 22:54:15,096 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2024-03-11 22:54:15,096 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 22:54:15,096 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:15,097 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-11 22:54:15,097 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-03-11 22:54:15,101 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:15,101 INFO  L85        PathProgramCache]: Analyzing trace with hash 14223, now seen corresponding path program 1 times
[2024-03-11 22:54:15,108 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:15,108 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549711275]
[2024-03-11 22:54:15,108 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:15,109 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:15,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:54:15,237 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:54:15,237 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:54:15,237 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549711275]
[2024-03-11 22:54:15,238 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549711275] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:54:15,238 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:54:15,238 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-11 22:54:15,239 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710061792]
[2024-03-11 22:54:15,240 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:54:15,245 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-11 22:54:15,246 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:54:15,260 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-11 22:54:15,261 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-11 22:54:15,263 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 118 out of 251
[2024-03-11 22:54:15,264 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 16 transitions, 40 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)
[2024-03-11 22:54:15,265 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:54:15,265 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 251
[2024-03-11 22:54:15,265 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:54:15,301 INFO  L130       PetriNetUnfolder]: 6/26 cut-off events.
[2024-03-11 22:54:15,301 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 22:54:15,301 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 58 conditions, 26 events. 6/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 54 event pairs, 5 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 32. Up to 25 conditions per place. 
[2024-03-11 22:54:15,302 INFO  L137   encePairwiseOnDemand]: 246/251 looper letters, 5 selfloop transitions, 0 changer transitions 5/11 dead transitions.
[2024-03-11 22:54:15,302 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 50 flow
[2024-03-11 22:54:15,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-11 22:54:15,305 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-11 22:54:15,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 251 transitions.
[2024-03-11 22:54:15,313 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5
[2024-03-11 22:54:15,314 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 251 transitions.
[2024-03-11 22:54:15,314 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 251 transitions.
[2024-03-11 22:54:15,315 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:54:15,317 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 251 transitions.
[2024-03-11 22:54:15,319 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 125.5) internal successors, (251), 2 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:15,323 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:15,324 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:15,325 INFO  L175             Difference]: Start difference. First operand has 18 places, 16 transitions, 40 flow. Second operand 2 states and 251 transitions.
[2024-03-11 22:54:15,326 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 50 flow
[2024-03-11 22:54:15,327 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 11 transitions, 50 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:54:15,328 INFO  L231             Difference]: Finished difference. Result has 14 places, 6 transitions, 17 flow
[2024-03-11 22:54:15,329 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=17, PETRI_PLACES=14, PETRI_TRANSITIONS=6}
[2024-03-11 22:54:15,332 INFO  L288   CegarLoopForPetriNet]: 18 programPoint places, -4 predicate places.
[2024-03-11 22:54:15,332 INFO  L495      AbstractCegarLoop]: Abstraction has has 14 places, 6 transitions, 17 flow
[2024-03-11 22:54:15,333 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)
[2024-03-11 22:54:15,333 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:15,333 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-03-11 22:54:15,333 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-03-11 22:54:15,333 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 4 more)] ===
[2024-03-11 22:54:15,334 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:15,334 INFO  L85        PathProgramCache]: Analyzing trace with hash 260162689, now seen corresponding path program 1 times
[2024-03-11 22:54:15,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:15,334 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12247289]
[2024-03-11 22:54:15,334 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:15,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:15,381 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:54:15,382 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 22:54:15,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:54:15,422 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 22:54:15,422 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 22:54:15,424 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining)
[2024-03-11 22:54:15,425 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2024-03-11 22:54:15,425 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining)
[2024-03-11 22:54:15,426 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2024-03-11 22:54:15,426 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2024-03-11 22:54:15,426 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2024-03-11 22:54:15,426 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2024-03-11 22:54:15,426 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-03-11 22:54:15,427 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-03-11 22:54:15,429 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 22:54:15,429 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-03-11 22:54:15,443 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-03-11 22:54:15,446 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 142 places, 142 transitions, 302 flow
[2024-03-11 22:54:15,486 INFO  L130       PetriNetUnfolder]: 11/284 cut-off events.
[2024-03-11 22:54:15,486 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-11 22:54:15,487 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 298 conditions, 284 events. 11/284 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 621 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 171. Up to 8 conditions per place. 
[2024-03-11 22:54:15,487 INFO  L82        GeneralOperation]: Start removeDead. Operand has 142 places, 142 transitions, 302 flow
[2024-03-11 22:54:15,488 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 142 places, 142 transitions, 302 flow
[2024-03-11 22:54:15,488 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 22:54:15,488 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 142 transitions, 302 flow
[2024-03-11 22:54:15,489 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 142 transitions, 302 flow
[2024-03-11 22:54:15,489 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 142 places, 142 transitions, 302 flow
[2024-03-11 22:54:15,511 INFO  L130       PetriNetUnfolder]: 11/284 cut-off events.
[2024-03-11 22:54:15,511 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-11 22:54:15,512 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 298 conditions, 284 events. 11/284 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 621 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 171. Up to 8 conditions per place. 
[2024-03-11 22:54:15,516 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4624
[2024-03-11 22:54:19,799 INFO  L134        LiptonReduction]: Checked pairs total: 6367
[2024-03-11 22:54:19,799 INFO  L136        LiptonReduction]: Total number of compositions: 134
[2024-03-11 22:54:19,801 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 22:54:19,802 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;@5969277b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 22:54:19,802 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-03-11 22:54:19,803 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2024-03-11 22:54:19,803 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 22:54:19,803 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:19,803 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-11 22:54:19,803 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)] ===
[2024-03-11 22:54:19,804 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:19,804 INFO  L85        PathProgramCache]: Analyzing trace with hash 23667, now seen corresponding path program 1 times
[2024-03-11 22:54:19,804 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:19,804 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111367185]
[2024-03-11 22:54:19,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:19,804 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:19,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:54:19,826 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:54:19,826 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:54:19,826 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111367185]
[2024-03-11 22:54:19,826 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111367185] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:54:19,826 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:54:19,826 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-11 22:54:19,827 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523701370]
[2024-03-11 22:54:19,827 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:54:19,827 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-11 22:54:19,827 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:54:19,827 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-11 22:54:19,827 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-11 22:54:19,828 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 135 out of 276
[2024-03-11 22:54:19,828 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 26 transitions, 70 flow. Second operand  has 2 states, 2 states have (on average 136.0) internal successors, (272), 2 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:19,828 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:54:19,829 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 276
[2024-03-11 22:54:19,829 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:54:19,884 INFO  L130       PetriNetUnfolder]: 122/282 cut-off events.
[2024-03-11 22:54:19,885 INFO  L131       PetriNetUnfolder]: For 25/25 co-relation queries the response was YES.
[2024-03-11 22:54:19,885 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 549 conditions, 282 events. 122/282 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1254 event pairs, 117 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 147. Up to 238 conditions per place. 
[2024-03-11 22:54:19,886 INFO  L137   encePairwiseOnDemand]: 272/276 looper letters, 16 selfloop transitions, 0 changer transitions 0/22 dead transitions.
[2024-03-11 22:54:19,886 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 22 transitions, 94 flow
[2024-03-11 22:54:19,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-11 22:54:19,887 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-11 22:54:19,888 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 290 transitions.
[2024-03-11 22:54:19,889 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5253623188405797
[2024-03-11 22:54:19,889 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 290 transitions.
[2024-03-11 22:54:19,889 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 290 transitions.
[2024-03-11 22:54:19,889 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:54:19,889 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 290 transitions.
[2024-03-11 22:54:19,891 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 145.0) internal successors, (290), 2 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:19,892 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:19,892 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:19,892 INFO  L175             Difference]: Start difference. First operand has 29 places, 26 transitions, 70 flow. Second operand 2 states and 290 transitions.
[2024-03-11 22:54:19,893 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 22 transitions, 94 flow
[2024-03-11 22:54:19,893 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 94 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:54:19,894 INFO  L231             Difference]: Finished difference. Result has 26 places, 22 transitions, 62 flow
[2024-03-11 22:54:19,894 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=62, PETRI_PLACES=26, PETRI_TRANSITIONS=22}
[2024-03-11 22:54:19,894 INFO  L288   CegarLoopForPetriNet]: 29 programPoint places, -3 predicate places.
[2024-03-11 22:54:19,895 INFO  L495      AbstractCegarLoop]: Abstraction has has 26 places, 22 transitions, 62 flow
[2024-03-11 22:54:19,895 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 136.0) internal successors, (272), 2 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:19,895 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:19,895 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-03-11 22:54:19,895 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-03-11 22:54:19,895 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-11 22:54:19,895 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:19,896 INFO  L85        PathProgramCache]: Analyzing trace with hash 400811244, now seen corresponding path program 1 times
[2024-03-11 22:54:19,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:19,896 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048409781]
[2024-03-11 22:54:19,896 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:19,896 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:19,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:54:19,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:54:19,938 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:54:19,938 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048409781]
[2024-03-11 22:54:19,938 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048409781] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:54:19,938 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:54:19,938 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:54:19,938 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261932914]
[2024-03-11 22:54:19,938 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:54:19,939 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:54:19,939 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:54:19,939 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:54:19,939 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:54:19,951 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 129 out of 276
[2024-03-11 22:54:19,951 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 62 flow. Second operand  has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:19,952 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:54:19,952 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 276
[2024-03-11 22:54:19,952 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:54:20,074 INFO  L130       PetriNetUnfolder]: 208/427 cut-off events.
[2024-03-11 22:54:20,075 INFO  L131       PetriNetUnfolder]: For 35/35 co-relation queries the response was YES.
[2024-03-11 22:54:20,075 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 850 conditions, 427 events. 208/427 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1872 event pairs, 147 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 845. Up to 316 conditions per place. 
[2024-03-11 22:54:20,077 INFO  L137   encePairwiseOnDemand]: 272/276 looper letters, 25 selfloop transitions, 3 changer transitions 2/34 dead transitions.
[2024-03-11 22:54:20,077 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 34 transitions, 154 flow
[2024-03-11 22:54:20,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:54:20,077 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:54:20,078 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions.
[2024-03-11 22:54:20,079 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5048309178743962
[2024-03-11 22:54:20,079 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 418 transitions.
[2024-03-11 22:54:20,079 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 418 transitions.
[2024-03-11 22:54:20,079 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:54:20,079 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 418 transitions.
[2024-03-11 22:54:20,080 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,082 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,083 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,083 INFO  L175             Difference]: Start difference. First operand has 26 places, 22 transitions, 62 flow. Second operand 3 states and 418 transitions.
[2024-03-11 22:54:20,083 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 34 transitions, 154 flow
[2024-03-11 22:54:20,084 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 34 transitions, 154 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:54:20,084 INFO  L231             Difference]: Finished difference. Result has 29 places, 24 transitions, 81 flow
[2024-03-11 22:54:20,085 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=29, PETRI_TRANSITIONS=24}
[2024-03-11 22:54:20,085 INFO  L288   CegarLoopForPetriNet]: 29 programPoint places, 0 predicate places.
[2024-03-11 22:54:20,085 INFO  L495      AbstractCegarLoop]: Abstraction has has 29 places, 24 transitions, 81 flow
[2024-03-11 22:54:20,086 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,086 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:20,086 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:54:20,086 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-03-11 22:54:20,086 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-11 22:54:20,087 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:20,087 INFO  L85        PathProgramCache]: Analyzing trace with hash 1442326862, now seen corresponding path program 1 times
[2024-03-11 22:54:20,087 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:20,087 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354978281]
[2024-03-11 22:54:20,087 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:20,087 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:20,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:54:20,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-11 22:54:20,125 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:54:20,126 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354978281]
[2024-03-11 22:54:20,126 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354978281] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:54:20,126 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:54:20,126 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:54:20,126 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096794980]
[2024-03-11 22:54:20,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:54:20,126 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:54:20,127 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:54:20,127 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:54:20,127 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:54:20,137 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 129 out of 276
[2024-03-11 22:54:20,138 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 24 transitions, 81 flow. Second operand  has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,138 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:54:20,138 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 276
[2024-03-11 22:54:20,138 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:54:20,233 INFO  L130       PetriNetUnfolder]: 217/430 cut-off events.
[2024-03-11 22:54:20,234 INFO  L131       PetriNetUnfolder]: For 139/143 co-relation queries the response was YES.
[2024-03-11 22:54:20,234 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 430 events. 217/430 cut-off events. For 139/143 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1784 event pairs, 149 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 1031. Up to 342 conditions per place. 
[2024-03-11 22:54:20,235 INFO  L137   encePairwiseOnDemand]: 272/276 looper letters, 25 selfloop transitions, 4 changer transitions 2/35 dead transitions.
[2024-03-11 22:54:20,235 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 35 transitions, 173 flow
[2024-03-11 22:54:20,236 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:54:20,236 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:54:20,237 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions.
[2024-03-11 22:54:20,237 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5036231884057971
[2024-03-11 22:54:20,237 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 417 transitions.
[2024-03-11 22:54:20,237 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 417 transitions.
[2024-03-11 22:54:20,237 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:54:20,237 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 417 transitions.
[2024-03-11 22:54:20,238 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,240 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,241 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,241 INFO  L175             Difference]: Start difference. First operand has 29 places, 24 transitions, 81 flow. Second operand 3 states and 417 transitions.
[2024-03-11 22:54:20,241 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 35 transitions, 173 flow
[2024-03-11 22:54:20,242 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 35 transitions, 169 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 22:54:20,243 INFO  L231             Difference]: Finished difference. Result has 31 places, 26 transitions, 102 flow
[2024-03-11 22:54:20,243 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=31, PETRI_TRANSITIONS=26}
[2024-03-11 22:54:20,244 INFO  L288   CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places.
[2024-03-11 22:54:20,244 INFO  L495      AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 102 flow
[2024-03-11 22:54:20,244 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:20,244 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:20,244 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2024-03-11 22:54:20,245 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-03-11 22:54:20,245 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-11 22:54:20,245 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:20,245 INFO  L85        PathProgramCache]: Analyzing trace with hash 1755857613, now seen corresponding path program 1 times
[2024-03-11 22:54:20,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:20,245 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654174789]
[2024-03-11 22:54:20,245 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:20,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:20,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:54:20,271 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 22:54:20,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:54:20,289 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 22:54:20,289 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 22:54:20,290 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining)
[2024-03-11 22:54:20,290 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2024-03-11 22:54:20,290 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2024-03-11 22:54:20,290 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2024-03-11 22:54:20,290 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2024-03-11 22:54:20,290 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2024-03-11 22:54:20,290 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2024-03-11 22:54:20,291 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2024-03-11 22:54:20,291 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-03-11 22:54:20,291 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 22:54:20,291 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 22:54:20,291 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-03-11 22:54:20,304 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-03-11 22:54:20,307 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 162 places, 161 transitions, 352 flow
[2024-03-11 22:54:20,344 INFO  L130       PetriNetUnfolder]: 21/478 cut-off events.
[2024-03-11 22:54:20,344 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-03-11 22:54:20,345 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 506 conditions, 478 events. 21/478 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1348 event pairs, 1 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 292. Up to 16 conditions per place. 
[2024-03-11 22:54:20,345 INFO  L82        GeneralOperation]: Start removeDead. Operand has 162 places, 161 transitions, 352 flow
[2024-03-11 22:54:20,346 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 162 places, 161 transitions, 352 flow
[2024-03-11 22:54:20,347 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 22:54:20,347 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 162 places, 161 transitions, 352 flow
[2024-03-11 22:54:20,347 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 162 places, 161 transitions, 352 flow
[2024-03-11 22:54:20,347 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 162 places, 161 transitions, 352 flow
[2024-03-11 22:54:20,383 INFO  L130       PetriNetUnfolder]: 21/478 cut-off events.
[2024-03-11 22:54:20,383 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-03-11 22:54:20,383 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 506 conditions, 478 events. 21/478 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1348 event pairs, 1 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 292. Up to 16 conditions per place. 
[2024-03-11 22:54:20,390 INFO  L119        LiptonReduction]: Number of co-enabled transitions 7956
[2024-03-11 22:54:25,139 INFO  L134        LiptonReduction]: Checked pairs total: 11112
[2024-03-11 22:54:25,139 INFO  L136        LiptonReduction]: Total number of compositions: 148
[2024-03-11 22:54:25,142 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 22:54:25,143 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;@5969277b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 22:54:25,143 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-03-11 22:54:25,145 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2024-03-11 22:54:25,146 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 22:54:25,146 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:25,146 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-11 22:54:25,146 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)] ===
[2024-03-11 22:54:25,147 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:25,147 INFO  L85        PathProgramCache]: Analyzing trace with hash 34159, now seen corresponding path program 1 times
[2024-03-11 22:54:25,147 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:25,147 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094544593]
[2024-03-11 22:54:25,147 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:25,147 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:25,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:54:25,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:54:25,160 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:54:25,160 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094544593]
[2024-03-11 22:54:25,160 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094544593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:54:25,160 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:54:25,160 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-11 22:54:25,160 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470647328]
[2024-03-11 22:54:25,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:54:25,161 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-11 22:54:25,161 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:54:25,161 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-11 22:54:25,161 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-11 22:54:25,162 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 152 out of 309
[2024-03-11 22:54:25,162 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 94 flow. Second operand  has 2 states, 2 states have (on average 153.0) internal successors, (306), 2 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,162 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:54:25,162 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 309
[2024-03-11 22:54:25,162 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:54:25,359 INFO  L130       PetriNetUnfolder]: 1241/2159 cut-off events.
[2024-03-11 22:54:25,359 INFO  L131       PetriNetUnfolder]: For 277/277 co-relation queries the response was YES.
[2024-03-11 22:54:25,361 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4296 conditions, 2159 events. 1241/2159 cut-off events. For 277/277 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 11544 event pairs, 1210 based on Foata normal form. 0/1945 useless extension candidates. Maximal degree in co-relation 718. Up to 1932 conditions per place. 
[2024-03-11 22:54:25,368 INFO  L137   encePairwiseOnDemand]: 305/309 looper letters, 22 selfloop transitions, 0 changer transitions 0/28 dead transitions.
[2024-03-11 22:54:25,368 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 28 transitions, 130 flow
[2024-03-11 22:54:25,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-11 22:54:25,368 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-11 22:54:25,369 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 330 transitions.
[2024-03-11 22:54:25,369 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5339805825242718
[2024-03-11 22:54:25,369 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 330 transitions.
[2024-03-11 22:54:25,370 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 330 transitions.
[2024-03-11 22:54:25,370 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:54:25,370 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 330 transitions.
[2024-03-11 22:54:25,371 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 165.0) internal successors, (330), 2 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,372 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,372 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,373 INFO  L175             Difference]: Start difference. First operand has 36 places, 32 transitions, 94 flow. Second operand 2 states and 330 transitions.
[2024-03-11 22:54:25,373 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 28 transitions, 130 flow
[2024-03-11 22:54:25,373 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 28 transitions, 130 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:54:25,374 INFO  L231             Difference]: Finished difference. Result has 33 places, 28 transitions, 86 flow
[2024-03-11 22:54:25,374 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=86, PETRI_PLACES=33, PETRI_TRANSITIONS=28}
[2024-03-11 22:54:25,375 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, -3 predicate places.
[2024-03-11 22:54:25,375 INFO  L495      AbstractCegarLoop]: Abstraction has has 33 places, 28 transitions, 86 flow
[2024-03-11 22:54:25,375 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 153.0) internal successors, (306), 2 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,375 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:25,375 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-03-11 22:54:25,375 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-03-11 22:54:25,375 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-11 22:54:25,376 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:25,376 INFO  L85        PathProgramCache]: Analyzing trace with hash 1522080511, now seen corresponding path program 1 times
[2024-03-11 22:54:25,376 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:25,376 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578126160]
[2024-03-11 22:54:25,376 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:25,376 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:25,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:54:25,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 22:54:25,403 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:54:25,403 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578126160]
[2024-03-11 22:54:25,403 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578126160] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:54:25,403 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:54:25,403 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:54:25,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061180187]
[2024-03-11 22:54:25,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:54:25,404 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:54:25,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:54:25,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:54:25,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:54:25,417 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 145 out of 309
[2024-03-11 22:54:25,417 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 86 flow. Second operand  has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,417 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:54:25,417 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 309
[2024-03-11 22:54:25,418 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:54:25,682 INFO  L130       PetriNetUnfolder]: 1697/2841 cut-off events.
[2024-03-11 22:54:25,682 INFO  L131       PetriNetUnfolder]: For 348/348 co-relation queries the response was YES.
[2024-03-11 22:54:25,684 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5693 conditions, 2841 events. 1697/2841 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 15582 event pairs, 1246 based on Foata normal form. 0/2443 useless extension candidates. Maximal degree in co-relation 5687. Up to 2214 conditions per place. 
[2024-03-11 22:54:25,716 INFO  L137   encePairwiseOnDemand]: 304/309 looper letters, 36 selfloop transitions, 4 changer transitions 0/45 dead transitions.
[2024-03-11 22:54:25,717 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 45 transitions, 218 flow
[2024-03-11 22:54:25,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:54:25,717 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:54:25,718 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions.
[2024-03-11 22:54:25,718 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5134843581445523
[2024-03-11 22:54:25,718 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 476 transitions.
[2024-03-11 22:54:25,719 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions.
[2024-03-11 22:54:25,719 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:54:25,719 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions.
[2024-03-11 22:54:25,720 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,721 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,722 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,722 INFO  L175             Difference]: Start difference. First operand has 33 places, 28 transitions, 86 flow. Second operand 3 states and 476 transitions.
[2024-03-11 22:54:25,722 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 45 transitions, 218 flow
[2024-03-11 22:54:25,723 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 45 transitions, 218 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 22:54:25,723 INFO  L231             Difference]: Finished difference. Result has 36 places, 31 transitions, 112 flow
[2024-03-11 22:54:25,724 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=36, PETRI_TRANSITIONS=31}
[2024-03-11 22:54:25,724 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places.
[2024-03-11 22:54:25,724 INFO  L495      AbstractCegarLoop]: Abstraction has has 36 places, 31 transitions, 112 flow
[2024-03-11 22:54:25,725 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,725 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:25,725 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:54:25,725 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-03-11 22:54:25,725 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-11 22:54:25,725 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:25,725 INFO  L85        PathProgramCache]: Analyzing trace with hash 1249676265, now seen corresponding path program 1 times
[2024-03-11 22:54:25,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:25,726 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338121499]
[2024-03-11 22:54:25,726 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:25,726 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:25,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 22:54:25,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-11 22:54:25,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 22:54:25,755 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338121499]
[2024-03-11 22:54:25,755 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338121499] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 22:54:25,755 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 22:54:25,755 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 22:54:25,755 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816023806]
[2024-03-11 22:54:25,755 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 22:54:25,755 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 22:54:25,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 22:54:25,756 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 22:54:25,756 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 22:54:25,768 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 145 out of 309
[2024-03-11 22:54:25,769 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 112 flow. Second operand  has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:25,769 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 22:54:25,769 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 309
[2024-03-11 22:54:25,769 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 22:54:26,083 INFO  L130       PetriNetUnfolder]: 2007/3363 cut-off events.
[2024-03-11 22:54:26,083 INFO  L131       PetriNetUnfolder]: For 1193/1246 co-relation queries the response was YES.
[2024-03-11 22:54:26,087 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 7879 conditions, 3363 events. 2007/3363 cut-off events. For 1193/1246 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 19177 event pairs, 1381 based on Foata normal form. 0/2858 useless extension candidates. Maximal degree in co-relation 7871. Up to 2668 conditions per place. 
[2024-03-11 22:54:26,098 INFO  L137   encePairwiseOnDemand]: 304/309 looper letters, 37 selfloop transitions, 5 changer transitions 0/47 dead transitions.
[2024-03-11 22:54:26,098 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 47 transitions, 248 flow
[2024-03-11 22:54:26,099 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 22:54:26,099 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 22:54:26,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions.
[2024-03-11 22:54:26,100 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5124056094929881
[2024-03-11 22:54:26,100 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 475 transitions.
[2024-03-11 22:54:26,100 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 475 transitions.
[2024-03-11 22:54:26,100 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 22:54:26,101 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 475 transitions.
[2024-03-11 22:54:26,102 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:26,104 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:26,104 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 309.0) internal successors, (1236), 4 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:26,104 INFO  L175             Difference]: Start difference. First operand has 36 places, 31 transitions, 112 flow. Second operand 3 states and 475 transitions.
[2024-03-11 22:54:26,104 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 47 transitions, 248 flow
[2024-03-11 22:54:26,106 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 47 transitions, 243 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 22:54:26,107 INFO  L231             Difference]: Finished difference. Result has 38 places, 34 transitions, 141 flow
[2024-03-11 22:54:26,107 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=38, PETRI_TRANSITIONS=34}
[2024-03-11 22:54:26,108 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places.
[2024-03-11 22:54:26,108 INFO  L495      AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 141 flow
[2024-03-11 22:54:26,108 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 22:54:26,108 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 22:54:26,108 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 22:54:26,109 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-03-11 22:54:26,109 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-11 22:54:26,109 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 22:54:26,109 INFO  L85        PathProgramCache]: Analyzing trace with hash 1911469582, now seen corresponding path program 1 times
[2024-03-11 22:54:26,109 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 22:54:26,109 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725317069]
[2024-03-11 22:54:26,109 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 22:54:26,109 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 22:54:26,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:54:26,128 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 22:54:26,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 22:54:26,143 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 22:54:26,143 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 22:54:26,143 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining)
[2024-03-11 22:54:26,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-03-11 22:54:26,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-03-11 22:54:26,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-03-11 22:54:26,144 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2024-03-11 22:54:26,144 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining)
[2024-03-11 22:54:26,144 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2024-03-11 22:54:26,144 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-03-11 22:54:26,144 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-03-11 22:54:26,144 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-03-11 22:54:26,144 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 22:54:26,148 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances
[2024-03-11 22:54:26,148 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2024-03-11 22:54:26,176 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 10:54:26 BasicIcfg
[2024-03-11 22:54:26,176 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-03-11 22:54:26,176 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-03-11 22:54:26,176 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2024-03-11 22:54:26,176 INFO  L275        PluginConnector]: Witness Printer initialized
[2024-03-11 22:54:26,177 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:54:10" (3/4) ...
[2024-03-11 22:54:26,179 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2024-03-11 22:54:26,179 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-03-11 22:54:26,180 INFO  L158              Benchmark]: Toolchain (without parser) took 16583.88ms. Allocated memory was 117.4MB in the beginning and 237.0MB in the end (delta: 119.5MB). Free memory was 67.4MB in the beginning and 106.5MB in the end (delta: -39.1MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB.
[2024-03-11 22:54:26,180 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 92.3MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-03-11 22:54:26,180 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 386.69ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 87.3MB in the end (delta: -19.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB.
[2024-03-11 22:54:26,181 INFO  L158              Benchmark]: Boogie Procedure Inliner took 41.22ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 84.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-03-11 22:54:26,181 INFO  L158              Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-03-11 22:54:26,181 INFO  L158              Benchmark]: RCFGBuilder took 418.13ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 65.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-03-11 22:54:26,181 INFO  L158              Benchmark]: TraceAbstraction took 15704.28ms. Allocated memory was 117.4MB in the beginning and 237.0MB in the end (delta: 119.5MB). Free memory was 65.4MB in the beginning and 106.5MB in the end (delta: -41.1MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB.
[2024-03-11 22:54:26,182 INFO  L158              Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 237.0MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-03-11 22:54:26,183 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 92.3MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 386.69ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 87.3MB in the end (delta: -19.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 41.22ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 84.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 25.38ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 418.13ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 65.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 15704.28ms. Allocated memory was 117.4MB in the beginning and 237.0MB in the end (delta: 119.5MB). Free memory was 65.4MB in the beginning and 106.5MB in the end (delta: -41.1MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB.
 * Witness Printer took 3.19ms. Allocated memory is still 237.0MB. Free memory is still 106.5MB. 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: 4.5s, 122 PlacesBefore, 18 PlacesAfterwards, 123 TransitionsBefore, 16 TransitionsAfterwards, 1802 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 128 TotalNumberOfCompositions, 1448 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1448, independent: 1448, independent conditional: 0, independent unconditional: 1448, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 943, independent: 943, independent conditional: 0, independent unconditional: 943, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1448, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 943, unknown conditional: 0, unknown unconditional: 943] , Statistics on independence cache: Total cache size (in pairs): 12, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.3s, 142 PlacesBefore, 29 PlacesAfterwards, 142 TransitionsBefore, 26 TransitionsAfterwards, 4624 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 134 TotalNumberOfCompositions, 6367 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4518, independent: 4434, independent conditional: 0, independent unconditional: 4434, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2452, independent: 2436, independent conditional: 0, independent unconditional: 2436, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4518, independent: 1998, independent conditional: 0, independent unconditional: 1998, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 2452, unknown conditional: 0, unknown unconditional: 2452] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.8s, 162 PlacesBefore, 36 PlacesAfterwards, 161 TransitionsBefore, 32 TransitionsAfterwards, 7956 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 93 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 148 TotalNumberOfCompositions, 11112 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7801, independent: 7662, independent conditional: 0, independent unconditional: 7662, dependent: 139, dependent conditional: 0, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4148, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7801, independent: 3535, independent conditional: 0, independent unconditional: 3535, dependent: 118, dependent conditional: 0, dependent unconditional: 118, unknown: 4148, unknown conditional: 0, unknown unconditional: 4148] , Statistics on independence cache: Total cache size (in pairs): 163, Positive cache size: 152, Positive conditional cache size: 0, Positive unconditional cache size: 152, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - DataRaceFoundResult [Line: 1038]: Data race detected
    Data race detected
The following path leads to a data race: 
[L1034]               0  int data = 0;
[L1035]               0  sem_t data_sem;
[L1044]               0  int breads_total = __VERIFIER_nondet_int();
[L1045]  CALL         0  assume_abort_if_not(breads_total >= 0)
[L1031]  COND FALSE   0  !(!cond)
[L1045]  RET          0  assume_abort_if_not(breads_total >= 0)
[L1046]               0  pthread_t *tids = malloc(breads_total * sizeof(pthread_t));
[L1046]               0  pthread_t *tids = malloc(breads_total * sizeof(pthread_t));
[L1047]               0  int i = 0;
         VAL             [breads_total=5, data=0, data_sem={1:0}, i=0, tids={17:0}]
[L1047]  COND TRUE    0  i < breads_total
[L1048]  EXPR         0  \read(*tids)
[L1048]  EXPR         0  tids[i]
[L1048]  FCALL, FORK  0  pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
         VAL             [\read(*tids)={-3:0}, arg={0:0}, breads_total=5, data=0, data_sem={1:0}, i=0, pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))=-2, tids={17:0}]
[L1047]               0  i++
         VAL             [arg={0:0}, breads_total=5, data=0, data_sem={1:0}, i=1, tids={17:0}]
[L1047]  COND TRUE    0  i < breads_total
[L1048]  EXPR         0  \read(*tids)
[L1048]  EXPR         0  tids[i]
[L1038]               1  data = __VERIFIER_nondet_int()
         VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=26, data_sem={1:0}]
[L1048]  FCALL, FORK  0  pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
         VAL             [\read(*tids)={-3:0}, __VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, breads_total=5, data=0, data = __VERIFIER_nondet_int()=26, data_sem={1:0}, i=1, pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))=-1, tids={17:0}]
[L1038]               2  data = __VERIFIER_nondet_int()
         VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=22, data_sem={1:0}]

Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements
	* C: tids[i] [1048]
	* C: tids[i] [1048]
	* C: tids[i] [1048]
	* C: tids[i] [1048]
and
	C: data = __VERIFIER_nondet_int() [1038]

  - UnprovableResult [Line: 1048]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1051]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1053]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1051]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1048]: 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. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 138 locations, 7 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: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 1 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, 156 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: 4.8s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 16 mSDtfsCounter, 122 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=102occurred 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, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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 3 thread instances
    CFG has 5 procedures, 174 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: 5.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2 mSDtfsCounter, 173 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=141occurred 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, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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!
[2024-03-11 22:54:26,220 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
