./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_78-equ_racing.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version efd9311c
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_78-equ_racing.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-efd9311-m
[2022-04-18 18:44:02,314 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-04-18 18:44:02,316 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-04-18 18:44:02,343 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-04-18 18:44:02,356 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-04-18 18:44:02,357 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-04-18 18:44:02,358 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-04-18 18:44:02,359 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-04-18 18:44:02,361 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-04-18 18:44:02,361 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-04-18 18:44:02,362 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-04-18 18:44:02,362 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-04-18 18:44:02,363 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-04-18 18:44:02,368 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-04-18 18:44:02,369 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-04-18 18:44:02,369 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-04-18 18:44:02,370 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-04-18 18:44:02,384 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-04-18 18:44:02,385 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-04-18 18:44:02,386 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-04-18 18:44:02,387 INFO  L181        SettingsManager]: Resetting HornVerifier preferences to default values
[2022-04-18 18:44:02,388 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-04-18 18:44:02,388 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-04-18 18:44:02,389 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-04-18 18:44:02,389 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-04-18 18:44:02,391 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-04-18 18:44:02,391 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-04-18 18:44:02,391 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-04-18 18:44:02,392 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-04-18 18:44:02,392 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-04-18 18:44:02,393 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-04-18 18:44:02,393 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-04-18 18:44:02,394 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-04-18 18:44:02,394 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-04-18 18:44:02,395 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-04-18 18:44:02,395 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-04-18 18:44:02,395 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-04-18 18:44:02,396 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-04-18 18:44:02,396 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-04-18 18:44:02,396 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-04-18 18:44:02,397 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-04-18 18:44:02,401 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-04-18 18:44:02,401 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf
[2022-04-18 18:44:02,425 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-04-18 18:44:02,426 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-04-18 18:44:02,426 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-04-18 18:44:02,427 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-04-18 18:44:02,427 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-04-18 18:44:02,427 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-04-18 18:44:02,428 INFO  L138        SettingsManager]:  * User list type=DISABLED
[2022-04-18 18:44:02,428 INFO  L136        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-04-18 18:44:02,428 INFO  L138        SettingsManager]:  * Explicit value domain=true
[2022-04-18 18:44:02,428 INFO  L138        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-04-18 18:44:02,429 INFO  L138        SettingsManager]:  * Octagon Domain=false
[2022-04-18 18:44:02,429 INFO  L138        SettingsManager]:  * Abstract domain=CompoundDomain
[2022-04-18 18:44:02,429 INFO  L138        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2022-04-18 18:44:02,429 INFO  L138        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2022-04-18 18:44:02,429 INFO  L138        SettingsManager]:  * Interval Domain=false
[2022-04-18 18:44:02,429 INFO  L136        SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-04-18 18:44:02,429 INFO  L138        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2022-04-18 18:44:02,430 INFO  L138        SettingsManager]:  * Simplification Technique=POLY_PAC
[2022-04-18 18:44:02,430 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-04-18 18:44:02,431 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-04-18 18:44:02,431 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-04-18 18:44:02,431 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-04-18 18:44:02,431 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-04-18 18:44:02,431 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-04-18 18:44:02,431 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-04-18 18:44:02,431 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-04-18 18:44:02,432 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-04-18 18:44:02,432 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2022-04-18 18:44:02,432 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-04-18 18:44:02,432 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-04-18 18:44:02,432 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-04-18 18:44:02,432 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-04-18 18:44:02,432 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-04-18 18:44:02,433 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-04-18 18:44:02,433 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 18:44:02,433 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-04-18 18:44:02,433 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-04-18 18:44:02,433 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-04-18 18:44:02,433 INFO  L138        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2022-04-18 18:44:02,433 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-04-18 18:44:02,434 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-04-18 18:44:02,434 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-04-18 18:44:02,434 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-04-18 18:44:02,434 INFO  L138        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UTaipan-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 -> /storage/repos/ultimate/releaseScripts/default/UTaipan-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 -> Taipan
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 -> 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65
[2022-04-18 18:44:02,628 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-04-18 18:44:02,644 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-04-18 18:44:02,648 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-04-18 18:44:02,649 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-04-18 18:44:02,649 INFO  L275        PluginConnector]: CDTParser initialized
[2022-04-18 18:44:02,650 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_78-equ_racing.i
[2022-04-18 18:44:02,702 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9bb56bf10/2a9a94b1c1884d068ecb7ecf5eed923d/FLAG5ab48e07c
[2022-04-18 18:44:03,158 INFO  L306              CDTParser]: Found 1 translation units.
[2022-04-18 18:44:03,158 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_78-equ_racing.i
[2022-04-18 18:44:03,185 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9bb56bf10/2a9a94b1c1884d068ecb7ecf5eed923d/FLAG5ab48e07c
[2022-04-18 18:44:03,695 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9bb56bf10/2a9a94b1c1884d068ecb7ecf5eed923d
[2022-04-18 18:44:03,702 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-04-18 18:44:03,703 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-04-18 18:44:03,704 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-04-18 18:44:03,704 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-04-18 18:44:03,707 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-04-18 18:44:03,708 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:44:03" (1/1) ...
[2022-04-18 18:44:03,709 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10054bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:03, skipping insertion in model container
[2022-04-18 18:44:03,709 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:44:03" (1/1) ...
[2022-04-18 18:44:03,728 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-04-18 18:44:03,765 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-04-18 18:44:04,091 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_78-equ_racing.i[47038,47051]
[2022-04-18 18:44:04,130 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 18:44:04,140 INFO  L203         MainTranslator]: Completed pre-run
[2022-04-18 18:44:04,169 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_78-equ_racing.i[47038,47051]
[2022-04-18 18:44:04,201 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-04-18 18:44:04,248 INFO  L208         MainTranslator]: Completed translation
[2022-04-18 18:44:04,249 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04 WrapperNode
[2022-04-18 18:44:04,249 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-04-18 18:44:04,250 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-04-18 18:44:04,251 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-04-18 18:44:04,251 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-04-18 18:44:04,256 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,285 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,325 INFO  L137                Inliner]: procedures = 271, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 261
[2022-04-18 18:44:04,326 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-04-18 18:44:04,327 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-04-18 18:44:04,327 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-04-18 18:44:04,327 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-04-18 18:44:04,333 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,334 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,351 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,353 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,362 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,376 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,383 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,388 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-04-18 18:44:04,389 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-04-18 18:44:04,389 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-04-18 18:44:04,392 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-04-18 18:44:04,393 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (1/1) ...
[2022-04-18 18:44:04,398 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-04-18 18:44:04,406 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3
[2022-04-18 18:44:04,416 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-04-18 18:44:04,426 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-04-18 18:44:04,457 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-04-18 18:44:04,457 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-04-18 18:44:04,457 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-04-18 18:44:04,457 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-04-18 18:44:04,457 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-04-18 18:44:04,457 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-04-18 18:44:04,458 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2022-04-18 18:44:04,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2022-04-18 18:44:04,458 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-04-18 18:44:04,458 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-04-18 18:44:04,458 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-04-18 18:44:04,459 WARN  L208             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-04-18 18:44:04,545 INFO  L234             CfgBuilder]: Building ICFG
[2022-04-18 18:44:04,546 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-04-18 18:44:04,904 INFO  L275             CfgBuilder]: Performing block encoding
[2022-04-18 18:44:04,910 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-04-18 18:44:04,910 INFO  L299             CfgBuilder]: Removed 22 assume(true) statements.
[2022-04-18 18:44:04,912 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:44:04 BoogieIcfgContainer
[2022-04-18 18:44:04,913 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-04-18 18:44:04,914 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-04-18 18:44:04,916 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-04-18 18:44:04,918 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-04-18 18:44:04,918 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:44:03" (1/3) ...
[2022-04-18 18:44:04,919 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19766d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:44:04, skipping insertion in model container
[2022-04-18 18:44:04,919 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:44:04" (2/3) ...
[2022-04-18 18:44:04,919 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19766d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:44:04, skipping insertion in model container
[2022-04-18 18:44:04,920 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:44:04" (3/3) ...
[2022-04-18 18:44:04,921 INFO  L111   eAbstractionObserver]: Analyzing ICFG 28-race_reach_78-equ_racing.i
[2022-04-18 18:44:04,925 WARN  L147   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-04-18 18:44:04,925 INFO  L202   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-04-18 18:44:04,925 INFO  L161   ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations.
[2022-04-18 18:44:04,925 INFO  L504   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-04-18 18:44:04,996 INFO  L135    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-04-18 18:44:05,036 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-04-18 18:44:05,045 INFO  L340      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=FINITE_AUTOMATA, 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
[2022-04-18 18:44:05,045 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 17 error locations.
[2022-04-18 18:44:05,059 INFO  L116   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-04-18 18:44:05,068 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 275 transitions, 558 flow
[2022-04-18 18:44:05,070 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 275 transitions, 558 flow
[2022-04-18 18:44:05,076 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 250 places, 275 transitions, 558 flow
[2022-04-18 18:44:05,208 INFO  L129       PetriNetUnfolder]: 42/386 cut-off events.
[2022-04-18 18:44:05,209 INFO  L130       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-04-18 18:44:05,216 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 392 conditions, 386 events. 42/386 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1589 event pairs, 0 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 207. Up to 8 conditions per place. 
[2022-04-18 18:44:05,228 INFO  L116        LiptonReduction]: Number of co-enabled transitions 21294
[2022-04-18 18:44:11,960 INFO  L131        LiptonReduction]: Checked pairs total: 189807
[2022-04-18 18:44:11,960 INFO  L133        LiptonReduction]: Total number of compositions: 236
[2022-04-18 18:44:11,968 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 110 places, 131 transitions, 270 flow
[2022-04-18 18:44:12,053 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 2841 states, 2781 states have (on average 2.428982380438691) internal successors, (6755), 2840 states have internal predecessors, (6755), 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)
[2022-04-18 18:44:12,060 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 2841 states, 2781 states have (on average 2.428982380438691) internal successors, (6755), 2840 states have internal predecessors, (6755), 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)
[2022-04-18 18:44:12,064 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-04-18 18:44:12,064 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:44:12,065 INFO  L499         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1]
[2022-04-18 18:44:12,066 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2022-04-18 18:44:12,069 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:44:12,069 INFO  L85        PathProgramCache]: Analyzing trace with hash -1240549775, now seen corresponding path program 1 times
[2022-04-18 18:44:12,081 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:44:12,081 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917200799]
[2022-04-18 18:44:12,082 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:44:12,082 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:44:12,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-04-18 18:44:12,228 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-04-18 18:44:12,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-04-18 18:44:12,282 INFO  L130   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2022-04-18 18:44:12,284 INFO  L618         BasicCegarLoop]: Counterexample is feasible
[2022-04-18 18:44:12,285 INFO  L788   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining)
[2022-04-18 18:44:12,286 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining)
[2022-04-18 18:44:12,286 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining)
[2022-04-18 18:44:12,286 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining)
[2022-04-18 18:44:12,287 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining)
[2022-04-18 18:44:12,287 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining)
[2022-04-18 18:44:12,287 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining)
[2022-04-18 18:44:12,287 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining)
[2022-04-18 18:44:12,287 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining)
[2022-04-18 18:44:12,287 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining)
[2022-04-18 18:44:12,288 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining)
[2022-04-18 18:44:12,288 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining)
[2022-04-18 18:44:12,288 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining)
[2022-04-18 18:44:12,288 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining)
[2022-04-18 18:44:12,288 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining)
[2022-04-18 18:44:12,289 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining)
[2022-04-18 18:44:12,289 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining)
[2022-04-18 18:44:12,289 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-04-18 18:44:12,291 INFO  L719         BasicCegarLoop]: Path program histogram: [1]
[2022-04-18 18:44:12,292 WARN  L232   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2022-04-18 18:44:12,292 INFO  L504   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2022-04-18 18:44:12,311 INFO  L135    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-04-18 18:44:12,313 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-04-18 18:44:12,313 INFO  L340      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=FINITE_AUTOMATA, 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
[2022-04-18 18:44:12,313 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 22 error locations.
[2022-04-18 18:44:12,316 INFO  L116   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-04-18 18:44:12,316 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 368 transitions, 754 flow
[2022-04-18 18:44:12,316 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 368 transitions, 754 flow
[2022-04-18 18:44:12,316 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 332 places, 368 transitions, 754 flow
[2022-04-18 18:44:12,429 INFO  L129       PetriNetUnfolder]: 71/621 cut-off events.
[2022-04-18 18:44:12,429 INFO  L130       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2022-04-18 18:44:12,433 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 635 conditions, 621 events. 71/621 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3084 event pairs, 0 based on Foata normal form. 0/517 useless extension candidates. Maximal degree in co-relation 388. Up to 12 conditions per place. 
[2022-04-18 18:44:12,454 INFO  L116        LiptonReduction]: Number of co-enabled transitions 61152
[2022-04-18 18:44:20,966 INFO  L131        LiptonReduction]: Checked pairs total: 552843
[2022-04-18 18:44:20,966 INFO  L133        LiptonReduction]: Total number of compositions: 310
[2022-04-18 18:44:20,967 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 161 places, 192 transitions, 402 flow
[2022-04-18 18:44:25,359 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 135983 states, 135599 states have (on average 3.5877181985117885) internal successors, (486491), 135982 states have internal predecessors, (486491), 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)
[2022-04-18 18:44:25,662 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 135983 states, 135599 states have (on average 3.5877181985117885) internal successors, (486491), 135982 states have internal predecessors, (486491), 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)
[2022-04-18 18:44:25,664 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-04-18 18:44:25,664 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:44:25,664 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-04-18 18:44:25,665 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] ===
[2022-04-18 18:44:25,670 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:44:25,670 INFO  L85        PathProgramCache]: Analyzing trace with hash -2017081797, now seen corresponding path program 1 times
[2022-04-18 18:44:25,670 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:44:25,670 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345978475]
[2022-04-18 18:44:25,671 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:44:25,671 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:44:25,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 18:44:25,726 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-18 18:44:25,727 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 18:44:25,727 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345978475]
[2022-04-18 18:44:25,727 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345978475] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 18:44:25,727 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 18:44:25,728 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-04-18 18:44:25,728 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009422758]
[2022-04-18 18:44:25,728 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 18:44:25,730 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-04-18 18:44:25,731 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 18:44:25,748 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-04-18 18:44:25,749 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-04-18 18:44:26,018 INFO  L87              Difference]: Start difference. First operand  has 135983 states, 135599 states have (on average 3.5877181985117885) internal successors, (486491), 135982 states have internal predecessors, (486491), 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) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2022-04-18 18:44:28,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 18:44:28,040 INFO  L93              Difference]: Finished difference Result 135983 states and 404544 transitions.
[2022-04-18 18:44:28,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-04-18 18:44:28,042 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9
[2022-04-18 18:44:28,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 18:44:29,076 INFO  L225             Difference]: With dead ends: 135983
[2022-04-18 18:44:29,076 INFO  L226             Difference]: Without dead ends: 135947
[2022-04-18 18:44:29,077 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-04-18 18:44:29,086 INFO  L913         BasicCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-04-18 18:44:29,088 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-04-18 18:44:29,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 135947 states.
[2022-04-18 18:44:33,405 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 135947 to 135947.
[2022-04-18 18:44:34,238 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 135947 states, 135567 states have (on average 2.983292394166722) internal successors, (404436), 135946 states have internal predecessors, (404436), 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)
[2022-04-18 18:44:35,069 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 135947 states to 135947 states and 404436 transitions.
[2022-04-18 18:44:35,070 INFO  L78                 Accepts]: Start accepts. Automaton has 135947 states and 404436 transitions. Word has length 9
[2022-04-18 18:44:35,071 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 18:44:35,071 INFO  L478      AbstractCegarLoop]: Abstraction has 135947 states and 404436 transitions.
[2022-04-18 18:44:35,071 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2022-04-18 18:44:35,071 INFO  L276                IsEmpty]: Start isEmpty. Operand 135947 states and 404436 transitions.
[2022-04-18 18:44:35,090 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-04-18 18:44:35,090 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:44:35,090 INFO  L499         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-04-18 18:44:35,090 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-04-18 18:44:35,091 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] ===
[2022-04-18 18:44:35,091 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:44:35,091 INFO  L85        PathProgramCache]: Analyzing trace with hash 663427717, now seen corresponding path program 1 times
[2022-04-18 18:44:35,091 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:44:35,092 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557390992]
[2022-04-18 18:44:35,092 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:44:35,092 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:44:35,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-04-18 18:44:35,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-04-18 18:44:35,255 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-04-18 18:44:35,255 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557390992]
[2022-04-18 18:44:35,255 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557390992] provided 1 perfect and 0 imperfect interpolant sequences
[2022-04-18 18:44:35,255 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-04-18 18:44:35,256 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-04-18 18:44:35,256 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955662331]
[2022-04-18 18:44:35,256 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-04-18 18:44:35,265 INFO  L554      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-04-18 18:44:35,265 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-04-18 18:44:35,266 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-04-18 18:44:35,267 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-04-18 18:44:35,267 INFO  L87              Difference]: Start difference. First operand 135947 states and 404436 transitions. Second operand  has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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)
[2022-04-18 18:44:38,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-04-18 18:44:38,152 INFO  L93              Difference]: Finished difference Result 189072 states and 559177 transitions.
[2022-04-18 18:44:38,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-04-18 18:44:38,161 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) Word has length 10
[2022-04-18 18:44:38,162 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-04-18 18:44:39,025 INFO  L225             Difference]: With dead ends: 189072
[2022-04-18 18:44:39,026 INFO  L226             Difference]: Without dead ends: 189072
[2022-04-18 18:44:39,026 INFO  L912         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-04-18 18:44:39,033 INFO  L913         BasicCegarLoop]: 131 mSDtfsCounter, 232 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2022-04-18 18:44:39,037 INFO  L914         BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 279 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2022-04-18 18:44:39,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 189072 states.
[2022-04-18 18:44:43,644 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 189072 to 155426.
[2022-04-18 18:44:43,899 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 155426 states, 155067 states have (on average 2.9791638453055778) internal successors, (461970), 155425 states have internal predecessors, (461970), 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)
[2022-04-18 18:44:44,443 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 155426 states to 155426 states and 461970 transitions.
[2022-04-18 18:44:44,443 INFO  L78                 Accepts]: Start accepts. Automaton has 155426 states and 461970 transitions. Word has length 10
[2022-04-18 18:44:44,443 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-04-18 18:44:44,444 INFO  L478      AbstractCegarLoop]: Abstraction has 155426 states and 461970 transitions.
[2022-04-18 18:44:44,444 INFO  L479      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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)
[2022-04-18 18:44:44,444 INFO  L276                IsEmpty]: Start isEmpty. Operand 155426 states and 461970 transitions.
[2022-04-18 18:44:44,445 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-04-18 18:44:44,445 INFO  L491         BasicCegarLoop]: Found error trace
[2022-04-18 18:44:44,445 INFO  L499         BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2022-04-18 18:44:44,445 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-04-18 18:44:44,446 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 19 more)] ===
[2022-04-18 18:44:44,446 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-04-18 18:44:44,446 INFO  L85        PathProgramCache]: Analyzing trace with hash -337747319, now seen corresponding path program 1 times
[2022-04-18 18:44:44,446 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-04-18 18:44:44,454 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728469300]
[2022-04-18 18:44:44,454 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-04-18 18:44:44,455 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-04-18 18:44:44,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-04-18 18:44:44,476 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-04-18 18:44:44,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-04-18 18:44:44,493 INFO  L130   FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2022-04-18 18:44:44,493 INFO  L618         BasicCegarLoop]: Counterexample is feasible
[2022-04-18 18:44:44,493 INFO  L788   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining)
[2022-04-18 18:44:44,494 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining)
[2022-04-18 18:44:44,494 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining)
[2022-04-18 18:44:44,494 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining)
[2022-04-18 18:44:44,494 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining)
[2022-04-18 18:44:44,494 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining)
[2022-04-18 18:44:44,494 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining)
[2022-04-18 18:44:44,495 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining)
[2022-04-18 18:44:44,495 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining)
[2022-04-18 18:44:44,495 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining)
[2022-04-18 18:44:44,495 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining)
[2022-04-18 18:44:44,495 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining)
[2022-04-18 18:44:44,495 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining)
[2022-04-18 18:44:44,496 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining)
[2022-04-18 18:44:44,496 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining)
[2022-04-18 18:44:44,496 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining)
[2022-04-18 18:44:44,496 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining)
[2022-04-18 18:44:44,496 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining)
[2022-04-18 18:44:44,496 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining)
[2022-04-18 18:44:44,496 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining)
[2022-04-18 18:44:44,497 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining)
[2022-04-18 18:44:44,497 INFO  L788   garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining)
[2022-04-18 18:44:44,497 WARN  L460      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-04-18 18:44:44,497 INFO  L719         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2022-04-18 18:44:44,497 WARN  L232   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2022-04-18 18:44:44,498 INFO  L504   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2022-04-18 18:44:44,533 INFO  L135    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-04-18 18:44:44,535 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-04-18 18:44:44,535 INFO  L340      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=FINITE_AUTOMATA, 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
[2022-04-18 18:44:44,535 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 27 error locations.
[2022-04-18 18:44:44,538 INFO  L116   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-04-18 18:44:44,538 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 414 places, 461 transitions, 952 flow
[2022-04-18 18:44:44,538 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 414 places, 461 transitions, 952 flow
[2022-04-18 18:44:44,539 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 414 places, 461 transitions, 952 flow
[2022-04-18 18:44:45,172 INFO  L129       PetriNetUnfolder]: 105/901 cut-off events.
[2022-04-18 18:44:45,173 INFO  L130       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2022-04-18 18:44:45,183 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 929 conditions, 901 events. 105/901 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4897 event pairs, 1 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 629. Up to 16 conditions per place. 
[2022-04-18 18:44:45,225 INFO  L116        LiptonReduction]: Number of co-enabled transitions 117390
[2022-04-18 18:44:54,835 INFO  L131        LiptonReduction]: Checked pairs total: 1140328
[2022-04-18 18:44:54,836 INFO  L133        LiptonReduction]: Total number of compositions: 390
[2022-04-18 18:44:54,839 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 210 places, 251 transitions, 532 flow