./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/stack-2.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version b8dbc81d
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/stack-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER
--- Real Ultimate output ---
This is Ultimate 0.2.3-?-b8dbc81
[2023-08-29 09:20:54,411 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2023-08-29 09:20:54,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2023-08-29 09:20:54,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-08-29 09:20:54,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-08-29 09:20:54,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-08-29 09:20:54,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-08-29 09:20:54,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2023-08-29 09:20:54,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-08-29 09:20:54,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-08-29 09:20:54,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2023-08-29 09:20:54,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-08-29 09:20:54,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-08-29 09:20:54,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-08-29 09:20:54,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-08-29 09:20:54,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-08-29 09:20:54,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-08-29 09:20:54,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-08-29 09:20:54,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-08-29 09:20:54,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2023-08-29 09:20:54,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-08-29 09:20:54,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-08-29 09:20:54,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2023-08-29 09:20:54,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-08-29 09:20:54,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-08-29 09:20:54,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-08-29 09:20:54,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-08-29 09:20:54,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-08-29 09:20:54,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-08-29 09:20:54,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-08-29 09:20:54,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-08-29 09:20:54,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-08-29 09:20:54,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-08-29 09:20:54,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2023-08-29 09:20:54,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-08-29 09:20:54,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2023-08-29 09:20:54,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-08-29 09:20:54,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-08-29 09:20:54,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2023-08-29 09:20:54,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2023-08-29 09:20:54,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2023-08-29 09:20:54,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-08-29 09:20:54,511 INFO L113 SettingsManager]: Loading preferences was successful
[2023-08-29 09:20:54,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2023-08-29 09:20:54,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-08-29 09:20:54,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-08-29 09:20:54,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-08-29 09:20:54,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-08-29 09:20:54,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-08-29 09:20:54,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2023-08-29 09:20:54,513 INFO L138 SettingsManager]: * Use SBE=true
[2023-08-29 09:20:54,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-08-29 09:20:54,514 INFO L138 SettingsManager]: * sizeof long=4
[2023-08-29 09:20:54,514 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2023-08-29 09:20:54,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2023-08-29 09:20:54,515 INFO L138 SettingsManager]: * sizeof POINTER=4
[2023-08-29 09:20:54,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2023-08-29 09:20:54,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-08-29 09:20:54,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-08-29 09:20:54,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-08-29 09:20:54,515 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-08-29 09:20:54,516 INFO L138 SettingsManager]: * sizeof long double=12
[2023-08-29 09:20:54,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2023-08-29 09:20:54,516 INFO L138 SettingsManager]: * Use constant arrays=true
[2023-08-29 09:20:54,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-08-29 09:20:54,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-08-29 09:20:54,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-08-29 09:20:54,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2023-08-29 09:20:54,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-29 09:20:54,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-08-29 09:20:54,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-08-29 09:20:54,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-08-29 09:20:54,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-08-29 09:20:54,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-08-29 09:20:54,518 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-08-29 09:20:54,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-08-29 09:20:54,518 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-08-29 09:20:54,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-08-29 09:20:54,518 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-08-29 09:20:54,518 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:/storage/repos/ultimate/releaseScripts/default/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER
[2023-08-29 09:20:54,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-08-29 09:20:54,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-08-29 09:20:54,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-08-29 09:20:54,752 INFO L271 PluginConnector]: Initializing CDTParser...
[2023-08-29 09:20:54,752 INFO L275 PluginConnector]: CDTParser initialized
[2023-08-29 09:20:54,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i
[2023-08-29 09:20:55,645 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2023-08-29 09:20:55,858 INFO L351 CDTParser]: Found 1 translation units.
[2023-08-29 09:20:55,858 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i
[2023-08-29 09:20:55,866 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54512687c/c335f1a4caa04d4daabcf21fb1104e19/FLAG4623e8394
[2023-08-29 09:20:55,875 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54512687c/c335f1a4caa04d4daabcf21fb1104e19
[2023-08-29 09:20:55,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-08-29 09:20:55,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-08-29 09:20:55,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-08-29 09:20:55,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-08-29 09:20:55,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-08-29 09:20:55,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:20:55" (1/1) ...
[2023-08-29 09:20:55,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c227b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:55, skipping insertion in model container
[2023-08-29 09:20:55,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:20:55" (1/1) ...
[2023-08-29 09:20:55,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2023-08-29 09:20:55,913 INFO L178 MainTranslator]: Built tables and reachable declarations
[2023-08-29 09:20:56,121 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533]
[2023-08-29 09:20:56,138 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-08-29 09:20:56,145 INFO L203 MainTranslator]: Completed pre-run
[2023-08-29 09:20:56,164 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533]
[2023-08-29 09:20:56,171 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-08-29 09:20:56,257 INFO L208 MainTranslator]: Completed translation
[2023-08-29 09:20:56,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56 WrapperNode
[2023-08-29 09:20:56,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-08-29 09:20:56,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-08-29 09:20:56,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-08-29 09:20:56,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2023-08-29 09:20:56,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,314 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 208
[2023-08-29 09:20:56,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-08-29 09:20:56,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-08-29 09:20:56,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2023-08-29 09:20:56,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2023-08-29 09:20:56,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-08-29 09:20:56,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-08-29 09:20:56,367 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2023-08-29 09:20:56,367 INFO L275 PluginConnector]: RCFGBuilder initialized
[2023-08-29 09:20:56,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (1/1) ...
[2023-08-29 09:20:56,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-29 09:20:56,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-08-29 09:20:56,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-08-29 09:20:56,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-08-29 09:20:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure t1
[2023-08-29 09:20:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure t1
[2023-08-29 09:20:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure t2
[2023-08-29 09:20:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure t2
[2023-08-29 09:20:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-08-29 09:20:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-08-29 09:20:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-08-29 09:20:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-08-29 09:20:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-08-29 09:20:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-08-29 09:20:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-08-29 09:20:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-08-29 09:20:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-08-29 09:20:56,452 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-08-29 09:20:56,573 INFO L236 CfgBuilder]: Building ICFG
[2023-08-29 09:20:56,574 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-08-29 09:20:56,802 INFO L277 CfgBuilder]: Performing block encoding
[2023-08-29 09:20:56,808 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-08-29 09:20:56,808 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-08-29 09:20:56,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:20:56 BoogieIcfgContainer
[2023-08-29 09:20:56,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-08-29 09:20:56,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-08-29 09:20:56,811 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2023-08-29 09:20:56,813 INFO L275 PluginConnector]: TraceAbstraction initialized
[2023-08-29 09:20:56,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:20:55" (1/3) ...
[2023-08-29 09:20:56,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac11b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:20:56, skipping insertion in model container
[2023-08-29 09:20:56,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:20:56" (2/3) ...
[2023-08-29 09:20:56,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac11b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:20:56, skipping insertion in model container
[2023-08-29 09:20:56,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:20:56" (3/3) ...
[2023-08-29 09:20:56,814 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-2.i
[2023-08-29 09:20:56,819 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-08-29 09:20:56,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-08-29 09:20:56,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations.
[2023-08-29 09:20:56,825 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-08-29 09:20:56,916 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-08-29 09:20:56,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 219 places, 222 transitions, 460 flow
[2023-08-29 09:20:57,032 INFO L130 PetriNetUnfolder]: 10/220 cut-off events.
[2023-08-29 09:20:57,032 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2023-08-29 09:20:57,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 220 events. 10/220 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 548 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 174. Up to 3 conditions per place.
[2023-08-29 09:20:57,039 INFO L82 GeneralOperation]: Start removeDead. Operand has 219 places, 222 transitions, 460 flow
[2023-08-29 09:20:57,047 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 208 places, 211 transitions, 431 flow
[2023-08-29 09:20:57,049 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-08-29 09:20:57,066 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 211 transitions, 431 flow
[2023-08-29 09:20:57,070 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 211 transitions, 431 flow
[2023-08-29 09:20:57,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 211 transitions, 431 flow
[2023-08-29 09:20:57,112 INFO L130 PetriNetUnfolder]: 10/211 cut-off events.
[2023-08-29 09:20:57,113 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-08-29 09:20:57,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 211 events. 10/211 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 493 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 174. Up to 3 conditions per place.
[2023-08-29 09:20:57,122 INFO L119 LiptonReduction]: Number of co-enabled transitions 17082
[2023-08-29 09:21:00,088 INFO L134 LiptonReduction]: Checked pairs total: 62246
[2023-08-29 09:21:00,088 INFO L136 LiptonReduction]: Total number of compositions: 146
[2023-08-29 09:21:00,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-08-29 09:21:00,113 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;@453f21d6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-08-29 09:21:00,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations.
[2023-08-29 09:21:00,117 INFO L130 PetriNetUnfolder]: 0/10 cut-off events.
[2023-08-29 09:21:00,117 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-08-29 09:21:00,117 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:21:00,117 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-08-29 09:21:00,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:21:00,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:21:00,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1384946515, now seen corresponding path program 1 times
[2023-08-29 09:21:00,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:21:00,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271394849]
[2023-08-29 09:21:00,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:21:00,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:21:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:21:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:21:00,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:21:00,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271394849]
[2023-08-29 09:21:00,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271394849] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:21:00,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:21:00,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-29 09:21:00,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171725792]
[2023-08-29 09:21:00,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:21:00,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-29 09:21:00,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:21:00,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-29 09:21:00,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-29 09:21:00,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 368
[2023-08-29 09:21:00,342 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 84 transitions, 177 flow. Second operand has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:00,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:21:00,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 368
[2023-08-29 09:21:00,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:21:00,675 INFO L130 PetriNetUnfolder]: 1926/4094 cut-off events.
[2023-08-29 09:21:00,676 INFO L131 PetriNetUnfolder]: For 113/113 co-relation queries the response was YES.
[2023-08-29 09:21:00,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7457 conditions, 4094 events. 1926/4094 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 25274 event pairs, 614 based on Foata normal form. 0/3725 useless extension candidates. Maximal degree in co-relation 6946. Up to 2252 conditions per place.
[2023-08-29 09:21:00,691 INFO L137 encePairwiseOnDemand]: 348/368 looper letters, 82 selfloop transitions, 14 changer transitions 0/128 dead transitions.
[2023-08-29 09:21:00,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 128 transitions, 463 flow
[2023-08-29 09:21:00,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-29 09:21:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-29 09:21:00,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 675 transitions.
[2023-08-29 09:21:00,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6114130434782609
[2023-08-29 09:21:00,701 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 675 transitions.
[2023-08-29 09:21:00,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 675 transitions.
[2023-08-29 09:21:00,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:21:00,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 675 transitions.
[2023-08-29 09:21:00,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:00,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:00,711 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:00,713 INFO L175 Difference]: Start difference. First operand has 86 places, 84 transitions, 177 flow. Second operand 3 states and 675 transitions.
[2023-08-29 09:21:00,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 128 transitions, 463 flow
[2023-08-29 09:21:00,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 128 transitions, 455 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-08-29 09:21:00,717 INFO L231 Difference]: Finished difference. Result has 87 places, 98 transitions, 296 flow
[2023-08-29 09:21:00,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=296, PETRI_PLACES=87, PETRI_TRANSITIONS=98}
[2023-08-29 09:21:00,721 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 1 predicate places.
[2023-08-29 09:21:00,721 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 98 transitions, 296 flow
[2023-08-29 09:21:00,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:00,721 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:21:00,721 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:21:00,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-08-29 09:21:00,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:21:00,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:21:00,722 INFO L85 PathProgramCache]: Analyzing trace with hash 814886425, now seen corresponding path program 1 times
[2023-08-29 09:21:00,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:21:00,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258335873]
[2023-08-29 09:21:00,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:21:00,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:21:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:21:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:21:00,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:21:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258335873]
[2023-08-29 09:21:00,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258335873] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:21:00,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:21:00,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-29 09:21:00,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625394616]
[2023-08-29 09:21:00,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:21:00,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-29 09:21:00,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:21:00,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-29 09:21:00,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-29 09:21:00,816 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 368
[2023-08-29 09:21:00,817 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 98 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:00,818 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:21:00,818 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 368
[2023-08-29 09:21:00,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:21:01,264 INFO L130 PetriNetUnfolder]: 2930/6562 cut-off events.
[2023-08-29 09:21:01,265 INFO L131 PetriNetUnfolder]: For 984/1034 co-relation queries the response was YES.
[2023-08-29 09:21:01,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12988 conditions, 6562 events. 2930/6562 cut-off events. For 984/1034 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 49018 event pairs, 914 based on Foata normal form. 0/5979 useless extension candidates. Maximal degree in co-relation 12399. Up to 2554 conditions per place.
[2023-08-29 09:21:01,290 INFO L137 encePairwiseOnDemand]: 364/368 looper letters, 85 selfloop transitions, 3 changer transitions 0/139 dead transitions.
[2023-08-29 09:21:01,290 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 139 transitions, 591 flow
[2023-08-29 09:21:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-29 09:21:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-29 09:21:01,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 698 transitions.
[2023-08-29 09:21:01,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6322463768115942
[2023-08-29 09:21:01,293 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 698 transitions.
[2023-08-29 09:21:01,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 698 transitions.
[2023-08-29 09:21:01,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:21:01,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 698 transitions.
[2023-08-29 09:21:01,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:01,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:01,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:01,298 INFO L175 Difference]: Start difference. First operand has 87 places, 98 transitions, 296 flow. Second operand 3 states and 698 transitions.
[2023-08-29 09:21:01,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 139 transitions, 591 flow
[2023-08-29 09:21:01,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 139 transitions, 551 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-08-29 09:21:01,308 INFO L231 Difference]: Finished difference. Result has 89 places, 101 transitions, 294 flow
[2023-08-29 09:21:01,308 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=89, PETRI_TRANSITIONS=101}
[2023-08-29 09:21:01,309 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 3 predicate places.
[2023-08-29 09:21:01,309 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 101 transitions, 294 flow
[2023-08-29 09:21:01,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:01,309 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:21:01,309 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:21:01,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-08-29 09:21:01,310 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:21:01,310 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:21:01,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1235453056, now seen corresponding path program 1 times
[2023-08-29 09:21:01,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:21:01,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663142139]
[2023-08-29 09:21:01,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:21:01,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:21:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:21:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:21:01,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:21:01,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663142139]
[2023-08-29 09:21:01,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663142139] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:21:01,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:21:01,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-08-29 09:21:01,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902586438]
[2023-08-29 09:21:01,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:21:01,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-08-29 09:21:01,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:21:01,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-08-29 09:21:01,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-08-29 09:21:01,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 368
[2023-08-29 09:21:01,698 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 101 transitions, 294 flow. Second operand has 6 states, 6 states have (on average 199.66666666666666) internal successors, (1198), 6 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:01,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:21:01,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 368
[2023-08-29 09:21:01,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:21:04,314 INFO L130 PetriNetUnfolder]: 23094/41935 cut-off events.
[2023-08-29 09:21:04,314 INFO L131 PetriNetUnfolder]: For 5364/5824 co-relation queries the response was YES.
[2023-08-29 09:21:04,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86135 conditions, 41935 events. 23094/41935 cut-off events. For 5364/5824 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 363583 event pairs, 6363 based on Foata normal form. 18/37511 useless extension candidates. Maximal degree in co-relation 84880. Up to 19919 conditions per place.
[2023-08-29 09:21:04,474 INFO L137 encePairwiseOnDemand]: 358/368 looper letters, 203 selfloop transitions, 21 changer transitions 0/271 dead transitions.
[2023-08-29 09:21:04,474 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 271 transitions, 1203 flow
[2023-08-29 09:21:04,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-08-29 09:21:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-08-29 09:21:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1378 transitions.
[2023-08-29 09:21:04,477 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6240942028985508
[2023-08-29 09:21:04,477 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1378 transitions.
[2023-08-29 09:21:04,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1378 transitions.
[2023-08-29 09:21:04,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:21:04,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1378 transitions.
[2023-08-29 09:21:04,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.66666666666666) internal successors, (1378), 6 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:04,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:04,484 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:04,484 INFO L175 Difference]: Start difference. First operand has 89 places, 101 transitions, 294 flow. Second operand 6 states and 1378 transitions.
[2023-08-29 09:21:04,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 271 transitions, 1203 flow
[2023-08-29 09:21:04,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 271 transitions, 1189 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-08-29 09:21:04,491 INFO L231 Difference]: Finished difference. Result has 97 places, 121 transitions, 430 flow
[2023-08-29 09:21:04,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=97, PETRI_TRANSITIONS=121}
[2023-08-29 09:21:04,492 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 11 predicate places.
[2023-08-29 09:21:04,492 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 121 transitions, 430 flow
[2023-08-29 09:21:04,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.66666666666666) internal successors, (1198), 6 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:04,493 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:21:04,493 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:21:04,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-08-29 09:21:04,493 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:21:04,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:21:04,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1210008494, now seen corresponding path program 1 times
[2023-08-29 09:21:04,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:21:04,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431593386]
[2023-08-29 09:21:04,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:21:04,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:21:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:21:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:21:04,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:21:04,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431593386]
[2023-08-29 09:21:04,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431593386] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:21:04,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:21:04,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-29 09:21:04,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046549134]
[2023-08-29 09:21:04,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:21:04,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-29 09:21:04,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:21:04,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-29 09:21:04,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-29 09:21:04,531 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 368
[2023-08-29 09:21:04,532 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 121 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:04,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:21:04,532 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 368
[2023-08-29 09:21:04,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:21:06,084 INFO L130 PetriNetUnfolder]: 10717/27643 cut-off events.
[2023-08-29 09:21:06,084 INFO L131 PetriNetUnfolder]: For 3655/3957 co-relation queries the response was YES.
[2023-08-29 09:21:06,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56595 conditions, 27643 events. 10717/27643 cut-off events. For 3655/3957 co-relation queries the response was YES. Maximal size of possible extension queue 841. Compared 298003 event pairs, 4049 based on Foata normal form. 113/25382 useless extension candidates. Maximal degree in co-relation 55997. Up to 12361 conditions per place.
[2023-08-29 09:21:06,207 INFO L137 encePairwiseOnDemand]: 363/368 looper letters, 80 selfloop transitions, 3 changer transitions 0/154 dead transitions.
[2023-08-29 09:21:06,208 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 154 transitions, 697 flow
[2023-08-29 09:21:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-29 09:21:06,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-29 09:21:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions.
[2023-08-29 09:21:06,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6231884057971014
[2023-08-29 09:21:06,210 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 688 transitions.
[2023-08-29 09:21:06,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 688 transitions.
[2023-08-29 09:21:06,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:21:06,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 688 transitions.
[2023-08-29 09:21:06,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:06,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:06,213 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:06,213 INFO L175 Difference]: Start difference. First operand has 97 places, 121 transitions, 430 flow. Second operand 3 states and 688 transitions.
[2023-08-29 09:21:06,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 154 transitions, 697 flow
[2023-08-29 09:21:06,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 154 transitions, 697 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-08-29 09:21:06,229 INFO L231 Difference]: Finished difference. Result has 101 places, 123 transitions, 454 flow
[2023-08-29 09:21:06,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=101, PETRI_TRANSITIONS=123}
[2023-08-29 09:21:06,229 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 15 predicate places.
[2023-08-29 09:21:06,230 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 123 transitions, 454 flow
[2023-08-29 09:21:06,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:06,230 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:21:06,230 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:21:06,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-08-29 09:21:06,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:21:06,231 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:21:06,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1235946553, now seen corresponding path program 1 times
[2023-08-29 09:21:06,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:21:06,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140512664]
[2023-08-29 09:21:06,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:21:06,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:21:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:21:06,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:21:06,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:21:06,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140512664]
[2023-08-29 09:21:06,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140512664] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:21:06,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:21:06,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-08-29 09:21:06,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300369930]
[2023-08-29 09:21:06,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:21:06,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-08-29 09:21:06,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:21:06,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-08-29 09:21:06,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-08-29 09:21:06,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 368
[2023-08-29 09:21:06,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 123 transitions, 454 flow. Second operand has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:06,503 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:21:06,503 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 368
[2023-08-29 09:21:06,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:21:10,682 INFO L130 PetriNetUnfolder]: 33276/61656 cut-off events.
[2023-08-29 09:21:10,683 INFO L131 PetriNetUnfolder]: For 34209/34814 co-relation queries the response was YES.
[2023-08-29 09:21:10,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154666 conditions, 61656 events. 33276/61656 cut-off events. For 34209/34814 co-relation queries the response was YES. Maximal size of possible extension queue 1216. Compared 554187 event pairs, 17213 based on Foata normal form. 0/57245 useless extension candidates. Maximal degree in co-relation 153505. Up to 47454 conditions per place.
[2023-08-29 09:21:11,063 INFO L137 encePairwiseOnDemand]: 354/368 looper letters, 160 selfloop transitions, 44 changer transitions 0/246 dead transitions.
[2023-08-29 09:21:11,063 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 246 transitions, 1246 flow
[2023-08-29 09:21:11,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-08-29 09:21:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-08-29 09:21:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1288 transitions.
[2023-08-29 09:21:11,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334
[2023-08-29 09:21:11,067 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1288 transitions.
[2023-08-29 09:21:11,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1288 transitions.
[2023-08-29 09:21:11,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:21:11,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1288 transitions.
[2023-08-29 09:21:11,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 214.66666666666666) internal successors, (1288), 6 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:11,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:11,073 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 368.0) internal successors, (2576), 7 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:11,073 INFO L175 Difference]: Start difference. First operand has 101 places, 123 transitions, 454 flow. Second operand 6 states and 1288 transitions.
[2023-08-29 09:21:11,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 246 transitions, 1246 flow
[2023-08-29 09:21:11,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 246 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-08-29 09:21:11,448 INFO L231 Difference]: Finished difference. Result has 108 places, 162 transitions, 754 flow
[2023-08-29 09:21:11,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=754, PETRI_PLACES=108, PETRI_TRANSITIONS=162}
[2023-08-29 09:21:11,448 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 22 predicate places.
[2023-08-29 09:21:11,448 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 162 transitions, 754 flow
[2023-08-29 09:21:11,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:11,449 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:21:11,449 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:21:11,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-08-29 09:21:11,449 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:21:11,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:21:11,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1168893095, now seen corresponding path program 1 times
[2023-08-29 09:21:11,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:21:11,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825471670]
[2023-08-29 09:21:11,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:21:11,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:21:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:21:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:21:11,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:21:11,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825471670]
[2023-08-29 09:21:11,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825471670] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:21:11,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:21:11,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-08-29 09:21:11,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231258898]
[2023-08-29 09:21:11,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:21:11,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-29 09:21:11,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:21:11,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-29 09:21:11,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-29 09:21:11,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 368
[2023-08-29 09:21:11,481 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 162 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:11,481 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:21:11,481 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 368
[2023-08-29 09:21:11,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:21:14,470 INFO L130 PetriNetUnfolder]: 18376/44283 cut-off events.
[2023-08-29 09:21:14,471 INFO L131 PetriNetUnfolder]: For 18993/20588 co-relation queries the response was YES.
[2023-08-29 09:21:14,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105788 conditions, 44283 events. 18376/44283 cut-off events. For 18993/20588 co-relation queries the response was YES. Maximal size of possible extension queue 1209. Compared 484067 event pairs, 7154 based on Foata normal form. 490/41372 useless extension candidates. Maximal degree in co-relation 100027. Up to 20278 conditions per place.
[2023-08-29 09:21:14,810 INFO L137 encePairwiseOnDemand]: 365/368 looper letters, 92 selfloop transitions, 2 changer transitions 0/204 dead transitions.
[2023-08-29 09:21:14,810 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 204 transitions, 1098 flow
[2023-08-29 09:21:14,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-08-29 09:21:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-29 09:21:14,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 691 transitions.
[2023-08-29 09:21:14,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6259057971014492
[2023-08-29 09:21:14,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 691 transitions.
[2023-08-29 09:21:14,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 691 transitions.
[2023-08-29 09:21:14,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:21:14,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 691 transitions.
[2023-08-29 09:21:14,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:14,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:14,815 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 368.0) internal successors, (1472), 4 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:14,815 INFO L175 Difference]: Start difference. First operand has 108 places, 162 transitions, 754 flow. Second operand 3 states and 691 transitions.
[2023-08-29 09:21:14,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 204 transitions, 1098 flow
[2023-08-29 09:21:15,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 204 transitions, 1074 flow, removed 12 selfloop flow, removed 0 redundant places.
[2023-08-29 09:21:15,086 INFO L231 Difference]: Finished difference. Result has 111 places, 163 transitions, 742 flow
[2023-08-29 09:21:15,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=111, PETRI_TRANSITIONS=163}
[2023-08-29 09:21:15,087 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 25 predicate places.
[2023-08-29 09:21:15,087 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 163 transitions, 742 flow
[2023-08-29 09:21:15,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:15,087 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:21:15,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:21:15,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-08-29 09:21:15,087 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:21:15,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:21:15,088 INFO L85 PathProgramCache]: Analyzing trace with hash 674390040, now seen corresponding path program 1 times
[2023-08-29 09:21:15,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:21:15,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385026106]
[2023-08-29 09:21:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:21:15,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:21:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:21:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:21:15,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:21:15,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385026106]
[2023-08-29 09:21:15,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385026106] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:21:15,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:21:15,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-08-29 09:21:15,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654693583]
[2023-08-29 09:21:15,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:21:15,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-08-29 09:21:15,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:21:15,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-08-29 09:21:15,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2023-08-29 09:21:15,697 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 368
[2023-08-29 09:21:15,698 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 163 transitions, 742 flow. Second operand has 9 states, 9 states have (on average 196.77777777777777) internal successors, (1771), 9 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:15,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:21:15,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 368
[2023-08-29 09:21:15,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:21:28,398 INFO L130 PetriNetUnfolder]: 91276/166025 cut-off events.
[2023-08-29 09:21:28,398 INFO L131 PetriNetUnfolder]: For 134720/141613 co-relation queries the response was YES.
[2023-08-29 09:21:28,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466088 conditions, 166025 events. 91276/166025 cut-off events. For 134720/141613 co-relation queries the response was YES. Maximal size of possible extension queue 3581. Compared 1709374 event pairs, 23031 based on Foata normal form. 4111/160360 useless extension candidates. Maximal degree in co-relation 463897. Up to 41212 conditions per place.
[2023-08-29 09:21:29,355 INFO L137 encePairwiseOnDemand]: 356/368 looper letters, 370 selfloop transitions, 55 changer transitions 0/488 dead transitions.
[2023-08-29 09:21:29,355 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 488 transitions, 2929 flow
[2023-08-29 09:21:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-08-29 09:21:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-08-29 09:21:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2019 transitions.
[2023-08-29 09:21:29,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6096014492753623
[2023-08-29 09:21:29,359 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2019 transitions.
[2023-08-29 09:21:29,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2019 transitions.
[2023-08-29 09:21:29,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:21:29,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2019 transitions.
[2023-08-29 09:21:29,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 224.33333333333334) internal successors, (2019), 9 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:29,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 368.0) internal successors, (3680), 10 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:29,367 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 368.0) internal successors, (3680), 10 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:29,367 INFO L175 Difference]: Start difference. First operand has 111 places, 163 transitions, 742 flow. Second operand 9 states and 2019 transitions.
[2023-08-29 09:21:29,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 488 transitions, 2929 flow
[2023-08-29 09:21:34,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 488 transitions, 2919 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-08-29 09:21:34,580 INFO L231 Difference]: Finished difference. Result has 124 places, 203 transitions, 1256 flow
[2023-08-29 09:21:34,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1256, PETRI_PLACES=124, PETRI_TRANSITIONS=203}
[2023-08-29 09:21:34,581 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 38 predicate places.
[2023-08-29 09:21:34,581 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 203 transitions, 1256 flow
[2023-08-29 09:21:34,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 196.77777777777777) internal successors, (1771), 9 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:34,581 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:21:34,582 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:21:34,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-08-29 09:21:34,582 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:21:34,582 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:21:34,582 INFO L85 PathProgramCache]: Analyzing trace with hash -456066990, now seen corresponding path program 2 times
[2023-08-29 09:21:34,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:21:34,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190009054]
[2023-08-29 09:21:34,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:21:34,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:21:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:21:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:21:34,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:21:34,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190009054]
[2023-08-29 09:21:34,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190009054] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:21:34,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:21:34,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-08-29 09:21:34,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257027729]
[2023-08-29 09:21:34,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:21:34,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-08-29 09:21:34,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:21:34,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-08-29 09:21:34,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2023-08-29 09:21:35,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 368
[2023-08-29 09:21:35,141 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 203 transitions, 1256 flow. Second operand has 9 states, 9 states have (on average 197.77777777777777) internal successors, (1780), 9 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:35,142 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:21:35,142 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 368
[2023-08-29 09:21:35,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:21:47,094 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([681] L950-4-->L950-6: Formula: (= |v_t2Thread1of1ForFork1_dec_top_#t~nondet34#1_17| |v_#race~top~0_27|) InVars {} OutVars{#race~top~0=|v_#race~top~0_27|, t2Thread1of1ForFork1_dec_top_#t~nondet34#1=|v_t2Thread1of1ForFork1_dec_top_#t~nondet34#1_17|} AuxVars[] AssignedVars[#race~top~0, t2Thread1of1ForFork1_dec_top_#t~nondet34#1][355], [Black: 255#(and (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset| 1))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|)))), 189#L1025-6true, Black: 257#(and (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset| 1))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ 3 (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ 2 (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|)))), Black: 254#(= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|))), 314#(and (not (= 3 |ULTIMATE.start_main_~#id1~0#1.base|)) (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (= 3 |~#arr~0.base|)), Black: 256#(and (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset| 1))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ 2 (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|)))), Black: 265#(= 0 |t1Thread1of1ForFork0_~i~0#1|), 239#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), t2Thread1of1ForFork1InUse, Black: 278#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), 120#L946-2true, Black: 271#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 224#(= |#race~top~0| 0), 9#L950-6true, Black: 286#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 280#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 284#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 230#(= |#race~flag~0| 0), 252#true, Black: 236#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 238#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 234#true, Black: 237#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 282#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 248#(= ~top~0 0)])
[2023-08-29 09:21:47,094 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event
[2023-08-29 09:21:47,094 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event
[2023-08-29 09:21:47,094 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event
[2023-08-29 09:21:47,094 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event
[2023-08-29 09:21:51,475 INFO L130 PetriNetUnfolder]: 111377/198547 cut-off events.
[2023-08-29 09:21:51,475 INFO L131 PetriNetUnfolder]: For 366871/376916 co-relation queries the response was YES.
[2023-08-29 09:21:52,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647178 conditions, 198547 events. 111377/198547 cut-off events. For 366871/376916 co-relation queries the response was YES. Maximal size of possible extension queue 3758. Compared 2012814 event pairs, 18910 based on Foata normal form. 8520/196176 useless extension candidates. Maximal degree in co-relation 645614. Up to 54967 conditions per place.
[2023-08-29 09:21:53,085 INFO L137 encePairwiseOnDemand]: 360/368 looper letters, 354 selfloop transitions, 53 changer transitions 0/470 dead transitions.
[2023-08-29 09:21:53,085 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 470 transitions, 3359 flow
[2023-08-29 09:21:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-08-29 09:21:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-08-29 09:21:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1977 transitions.
[2023-08-29 09:21:53,089 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5969202898550725
[2023-08-29 09:21:53,089 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1977 transitions.
[2023-08-29 09:21:53,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1977 transitions.
[2023-08-29 09:21:53,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:21:53,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1977 transitions.
[2023-08-29 09:21:53,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 219.66666666666666) internal successors, (1977), 9 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:53,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 368.0) internal successors, (3680), 10 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:53,096 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 368.0) internal successors, (3680), 10 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:21:53,096 INFO L175 Difference]: Start difference. First operand has 124 places, 203 transitions, 1256 flow. Second operand 9 states and 1977 transitions.
[2023-08-29 09:21:53,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 470 transitions, 3359 flow
[2023-08-29 09:22:31,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 470 transitions, 3348 flow, removed 5 selfloop flow, removed 1 redundant places.
[2023-08-29 09:22:31,289 INFO L231 Difference]: Finished difference. Result has 138 places, 246 transitions, 1907 flow
[2023-08-29 09:22:31,289 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=1247, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1907, PETRI_PLACES=138, PETRI_TRANSITIONS=246}
[2023-08-29 09:22:31,290 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 52 predicate places.
[2023-08-29 09:22:31,290 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 246 transitions, 1907 flow
[2023-08-29 09:22:31,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 197.77777777777777) internal successors, (1780), 9 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:22:31,291 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:22:31,291 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:22:31,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-08-29 09:22:31,291 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:22:31,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:22:31,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1772551212, now seen corresponding path program 1 times
[2023-08-29 09:22:31,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:22:31,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458873650]
[2023-08-29 09:22:31,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:22:31,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:22:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:22:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:22:31,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:22:31,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458873650]
[2023-08-29 09:22:31,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458873650] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:22:31,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:22:31,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-08-29 09:22:31,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199906067]
[2023-08-29 09:22:31,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:22:31,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-08-29 09:22:31,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:22:31,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-08-29 09:22:31,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2023-08-29 09:22:31,809 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 368
[2023-08-29 09:22:31,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 246 transitions, 1907 flow. Second operand has 9 states, 9 states have (on average 182.77777777777777) internal successors, (1645), 9 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:22:31,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:22:31,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 368
[2023-08-29 09:22:31,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:22:50,469 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([797] L995-2-->L962-1: Formula: (let ((.cse0 (mod |v_t1Thread1of1ForFork0_~tmp~0#1_In_1| 4294967296))) (and (= (ite (< .cse0 5) 1 0) |v_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_Out_2|) (= |v_t1Thread1of1ForFork0_push_#in~stack#1.offset_Out_2| |v_~#arr~0.offset_In_1|) (= |v_~#arr~0.base_In_1| |v_t1Thread1of1ForFork0_push_#in~stack#1.base_Out_2|) (= (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))) |v_t1Thread1of1ForFork0_push_#in~x#1_Out_2|) (= |v_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1_Out_2| |v_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_Out_2|) (= |v_t1Thread1of1ForFork0_push_~x#1_Out_2| |v_t1Thread1of1ForFork0_push_#in~x#1_Out_2|) (= |v_t1Thread1of1ForFork0_push_~stack#1.base_Out_2| |v_t1Thread1of1ForFork0_push_#in~stack#1.base_Out_2|) (= |v_t1Thread1of1ForFork0_push_#in~stack#1.offset_Out_2| |v_t1Thread1of1ForFork0_push_~stack#1.offset_Out_2|) (= 0 |v_#race~top~0_Out_2|) (not (= |v_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1_Out_2| 0)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_In_1|, ~#arr~0.base=|v_~#arr~0.base_In_1|, t1Thread1of1ForFork0_~tmp~0#1=|v_t1Thread1of1ForFork0_~tmp~0#1_In_1|} OutVars{t1Thread1of1ForFork0_push_#t~nondet35#1=|v_t1Thread1of1ForFork0_push_#t~nondet35#1_Out_2|, ~#arr~0.offset=|v_~#arr~0.offset_In_1|, t1Thread1of1ForFork0_push_~x#1=|v_t1Thread1of1ForFork0_push_~x#1_Out_2|, t1Thread1of1ForFork0_push_#t~nondet37#1=|v_t1Thread1of1ForFork0_push_#t~nondet37#1_Out_2|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_Out_2|, t1Thread1of1ForFork0_push_#in~stack#1.offset=|v_t1Thread1of1ForFork0_push_#in~stack#1.offset_Out_2|, t1Thread1of1ForFork0_#t~nondet44#1=|v_t1Thread1of1ForFork0_#t~nondet44#1_Out_2|, t1Thread1of1ForFork0_push_#in~x#1=|v_t1Thread1of1ForFork0_push_#in~x#1_Out_2|, t1Thread1of1ForFork0_push_#in~stack#1.base=|v_t1Thread1of1ForFork0_push_#in~stack#1.base_Out_2|, t1Thread1of1ForFork0_push_#res#1=|v_t1Thread1of1ForFork0_push_#res#1_Out_2|, #race~top~0=|v_#race~top~0_Out_2|, t1Thread1of1ForFork0_~tmp~0#1=|v_t1Thread1of1ForFork0_~tmp~0#1_In_1|, t1Thread1of1ForFork0_push_#t~ret36#1=|v_t1Thread1of1ForFork0_push_#t~ret36#1_Out_2|, t1Thread1of1ForFork0_push_~stack#1.base=|v_t1Thread1of1ForFork0_push_~stack#1.base_Out_2|, t1Thread1of1ForFork0_push_~stack#1.offset=|v_t1Thread1of1ForFork0_push_~stack#1.offset_Out_2|, ~#arr~0.base=|v_~#arr~0.base_In_1|, t1Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1_Out_2|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#t~nondet35#1, t1Thread1of1ForFork0_push_~x#1, t1Thread1of1ForFork0_push_#t~nondet37#1, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, t1Thread1of1ForFork0_push_#in~stack#1.offset, t1Thread1of1ForFork0_#t~nondet44#1, t1Thread1of1ForFork0_push_#in~x#1, t1Thread1of1ForFork0_push_#in~stack#1.base, t1Thread1of1ForFork0_push_#res#1, #race~top~0, t1Thread1of1ForFork0_push_#t~ret36#1, t1Thread1of1ForFork0_push_~stack#1.base, t1Thread1of1ForFork0_push_~stack#1.offset, t1Thread1of1ForFork0_assume_abort_if_not_~cond#1][414], [Black: 312#(and (not (= 3 |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (= 3 |~#arr~0.base|)), Black: 296#(and (not (= 3 |ULTIMATE.start_main_~#id1~0#1.base|)) (= 3 |~#arr~0.base|)), Black: 306#(and (not (= 3 |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= 3 |~#arr~0.base|)), 24#L962-1true, Black: 255#(and (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset| 1))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|)))), 189#L1025-6true, 323#true, Black: 257#(and (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset| 1))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ 3 (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ 2 (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|)))), Black: 254#(= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|))), 314#(and (not (= 3 |ULTIMATE.start_main_~#id1~0#1.base|)) (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (= 3 |~#arr~0.base|)), Black: 256#(and (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset| 1))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|))) (= |t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select |#race| |t1Thread1of1ForFork0_push_~stack#1.base|) (+ 2 (* |t1Thread1of1ForFork0_push_#t~ret36#1| 4) |t1Thread1of1ForFork0_push_~stack#1.offset|)))), Black: 265#(= 0 |t1Thread1of1ForFork0_~i~0#1|), 239#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), t2Thread1of1ForFork1InUse, Black: 278#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 271#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 282#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 222#true, Black: 280#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 284#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), Black: 230#(= |#race~flag~0| 0), 286#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (not (= |ULTIMATE.start_main_~#id1~0#1.base| |~#arr~0.base|))), 252#true, Black: 236#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 238#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 234#true, Black: 237#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 78#L950-2true, Black: 248#(= ~top~0 0), Black: 310#(and (not (= 3 |ULTIMATE.start_main_~#id1~0#1.base|)) (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (= 3 |~#arr~0.base|)), Black: 308#(and (not (= 3 |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0) (= 3 |~#arr~0.base|)), Black: 304#(and (not (= 3 |ULTIMATE.start_main_~#id1~0#1.base|)) (not (= |t1Thread1of1ForFork0_push_~stack#1.base| |ULTIMATE.start_main_~#id1~0#1.base|)) (= 3 |~#arr~0.base|))])
[2023-08-29 09:22:50,470 INFO L383 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event
[2023-08-29 09:22:50,470 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event
[2023-08-29 09:22:50,470 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event
[2023-08-29 09:22:50,470 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event
[2023-08-29 09:22:53,606 INFO L130 PetriNetUnfolder]: 118637/217698 cut-off events.
[2023-08-29 09:22:53,606 INFO L131 PetriNetUnfolder]: For 718148/720337 co-relation queries the response was YES.
[2023-08-29 09:22:54,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769399 conditions, 217698 events. 118637/217698 cut-off events. For 718148/720337 co-relation queries the response was YES. Maximal size of possible extension queue 4090. Compared 2277555 event pairs, 37512 based on Foata normal form. 378/206060 useless extension candidates. Maximal degree in co-relation 767828. Up to 143275 conditions per place.
[2023-08-29 09:22:55,461 INFO L137 encePairwiseOnDemand]: 359/368 looper letters, 396 selfloop transitions, 56 changer transitions 0/502 dead transitions.
[2023-08-29 09:22:55,461 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 502 transitions, 4700 flow
[2023-08-29 09:22:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-08-29 09:22:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-08-29 09:22:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1825 transitions.
[2023-08-29 09:22:55,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5510265700483091
[2023-08-29 09:22:55,464 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1825 transitions.
[2023-08-29 09:22:55,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1825 transitions.
[2023-08-29 09:22:55,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:22:55,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1825 transitions.
[2023-08-29 09:22:55,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 202.77777777777777) internal successors, (1825), 9 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:22:55,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 368.0) internal successors, (3680), 10 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:22:55,471 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 368.0) internal successors, (3680), 10 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:22:55,471 INFO L175 Difference]: Start difference. First operand has 138 places, 246 transitions, 1907 flow. Second operand 9 states and 1825 transitions.
[2023-08-29 09:22:55,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 502 transitions, 4700 flow
[2023-08-29 09:23:31,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 502 transitions, 4695 flow, removed 2 selfloop flow, removed 1 redundant places.
[2023-08-29 09:23:31,621 INFO L231 Difference]: Finished difference. Result has 151 places, 295 transitions, 2686 flow
[2023-08-29 09:23:31,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=1902, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2686, PETRI_PLACES=151, PETRI_TRANSITIONS=295}
[2023-08-29 09:23:31,622 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 65 predicate places.
[2023-08-29 09:23:31,622 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 295 transitions, 2686 flow
[2023-08-29 09:23:31,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 182.77777777777777) internal successors, (1645), 9 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:23:31,623 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-08-29 09:23:31,623 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-29 09:23:31,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-08-29 09:23:31,623 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 25 more)] ===
[2023-08-29 09:23:31,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier
[2023-08-29 09:23:31,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1537194966, now seen corresponding path program 3 times
[2023-08-29 09:23:31,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-29 09:23:31,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623004314]
[2023-08-29 09:23:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-29 09:23:31,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-29 09:23:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-29 09:23:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-29 09:23:32,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-29 09:23:32,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623004314]
[2023-08-29 09:23:32,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623004314] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-29 09:23:32,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-29 09:23:32,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2023-08-29 09:23:32,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133502548]
[2023-08-29 09:23:32,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-29 09:23:32,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-08-29 09:23:32,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-29 09:23:32,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-08-29 09:23:32,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-08-29 09:23:32,433 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 368
[2023-08-29 09:23:32,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 295 transitions, 2686 flow. Second operand has 10 states, 10 states have (on average 191.6) internal successors, (1916), 10 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:23:32,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-29 09:23:32,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 368
[2023-08-29 09:23:32,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-29 09:23:59,852 INFO L130 PetriNetUnfolder]: 133418/247279 cut-off events.
[2023-08-29 09:23:59,852 INFO L131 PetriNetUnfolder]: For 936154/937865 co-relation queries the response was YES.
[2023-08-29 09:24:01,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900565 conditions, 247279 events. 133418/247279 cut-off events. For 936154/937865 co-relation queries the response was YES. Maximal size of possible extension queue 4748. Compared 2672121 event pairs, 48353 based on Foata normal form. 1284/234647 useless extension candidates. Maximal degree in co-relation 898861. Up to 177013 conditions per place.
[2023-08-29 09:24:02,188 INFO L137 encePairwiseOnDemand]: 353/368 looper letters, 383 selfloop transitions, 66 changer transitions 0/511 dead transitions.
[2023-08-29 09:24:02,188 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 511 transitions, 5012 flow
[2023-08-29 09:24:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-08-29 09:24:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2023-08-29 09:24:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2116 transitions.
[2023-08-29 09:24:02,191 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.575
[2023-08-29 09:24:02,191 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2116 transitions.
[2023-08-29 09:24:02,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2116 transitions.
[2023-08-29 09:24:02,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-29 09:24:02,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2116 transitions.
[2023-08-29 09:24:02,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 211.6) internal successors, (2116), 10 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:24:02,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 368.0) internal successors, (4048), 11 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:24:02,198 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 368.0) internal successors, (4048), 11 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-08-29 09:24:02,198 INFO L175 Difference]: Start difference. First operand has 151 places, 295 transitions, 2686 flow. Second operand 10 states and 2116 transitions.
[2023-08-29 09:24:02,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 511 transitions, 5012 flow