./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/singleton-b.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/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 ../sv-benchmarks/c/pthread/singleton-b.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 --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 8df6b0e07576c0f44be76a2619065be37971886a948c5dcc3b73910d3c970468
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 17:28:41,418 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-22 17:28:41,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-22 17:28:41,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 17:28:41,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 17:28:41,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 17:28:41,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 17:28:41,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 17:28:41,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 17:28:41,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 17:28:41,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 17:28:41,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-22 17:28:41,540 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-22 17:28:41,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 17:28:41,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-22 17:28:41,541 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-22 17:28:41,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-22 17:28:41,541 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-22 17:28:41,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-22 17:28:41,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 17:28:41,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 17:28:41,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 17:28:41,544 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-22 17:28:41,544 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-22 17:28:41,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-22 17:28:41,545 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-22 17:28:41,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-22 17:28:41,545 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-22 17:28:41,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 17:28:41,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-22 17:28:41,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-22 17:28:41,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 17:28:41,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 17:28:41,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 17:28:41,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 17:28:41,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-22 17:28:41,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 17:28:41,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 17:28:41,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 17:28:41,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 17:28:41,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 17:28:41,551 INFO L153 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8df6b0e07576c0f44be76a2619065be37971886a948c5dcc3b73910d3c970468
[2024-11-22 17:28:41,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 17:28:41,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 17:28:41,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 17:28:41,816 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-22 17:28:41,816 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-22 17:28:41,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/singleton-b.i
[2024-11-22 17:28:43,228 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-22 17:28:43,515 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-22 17:28:43,515 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/singleton-b.i
[2024-11-22 17:28:43,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ce424a1/a3f0852150b04a29a91165f72c3576e5/FLAGc3049dc81
[2024-11-22 17:28:43,549 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ce424a1/a3f0852150b04a29a91165f72c3576e5
[2024-11-22 17:28:43,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 17:28:43,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 17:28:43,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 17:28:43,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 17:28:43,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 17:28:43,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:28:43" (1/1) ...
[2024-11-22 17:28:43,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b39beca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:43, skipping insertion in model container
[2024-11-22 17:28:43,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:28:43" (1/1) ...
[2024-11-22 17:28:43,616 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-22 17:28:44,093 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-22 17:28:44,110 INFO L200 MainTranslator]: Completed pre-run
[2024-11-22 17:28:44,185 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-22 17:28:44,247 INFO L204 MainTranslator]: Completed translation
[2024-11-22 17:28:44,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44 WrapperNode
[2024-11-22 17:28:44,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 17:28:44,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 17:28:44,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 17:28:44,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 17:28:44,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,303 INFO L138 Inliner]: procedures = 322, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34
[2024-11-22 17:28:44,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 17:28:44,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 17:28:44,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 17:28:44,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 17:28:44,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 17:28:44,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 17:28:44,338 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 17:28:44,338 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-22 17:28:44,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (1/1) ...
[2024-11-22 17:28:44,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 17:28:44,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 17:28:44,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-22 17:28:44,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-22 17:28:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-22 17:28:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread0
[2024-11-22 17:28:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0
[2024-11-22 17:28:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-22 17:28:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-22 17:28:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-22 17:28:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-22 17:28:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-11-22 17:28:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-11-22 17:28:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-22 17:28:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-22 17:28:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 17:28:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-22 17:28:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 17:28:44,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 17:28:44,417 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-22 17:28:44,529 INFO L238 CfgBuilder]: Building ICFG
[2024-11-22 17:28:44,531 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 17:28:44,697 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-22 17:28:44,697 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-22 17:28:44,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 17:28:44,713 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-22 17:28:44,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:28:44 BoogieIcfgContainer
[2024-11-22 17:28:44,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 17:28:44,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 17:28:44,715 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 17:28:44,719 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-22 17:28:44,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:28:43" (1/3) ...
[2024-11-22 17:28:44,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a0d153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:28:44, skipping insertion in model container
[2024-11-22 17:28:44,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:28:44" (2/3) ...
[2024-11-22 17:28:44,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a0d153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:28:44, skipping insertion in model container
[2024-11-22 17:28:44,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:28:44" (3/3) ...
[2024-11-22 17:28:44,722 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton-b.i
[2024-11-22 17:28:44,742 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 17:28:44,743 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations.
[2024-11-22 17:28:44,743 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-22 17:28:44,902 INFO L143 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions.
[2024-11-22 17:28:44,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 202 places, 193 transitions, 483 flow
[2024-11-22 17:28:45,009 INFO L124 PetriNetUnfolderBase]: 7/149 cut-off events.
[2024-11-22 17:28:45,009 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-22 17:28:45,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 149 events. 7/149 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 154 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 129. Up to 3 conditions per place.
[2024-11-22 17:28:45,022 INFO L82 GeneralOperation]: Start removeDead. Operand has 202 places, 193 transitions, 483 flow
[2024-11-22 17:28:45,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 130 transitions, 311 flow
[2024-11-22 17:28:45,039 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 17:28:45,046 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7c555b5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 17:28:45,046 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations.
[2024-11-22 17:28:45,057 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-22 17:28:45,057 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events.
[2024-11-22 17:28:45,057 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-22 17:28:45,058 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-22 17:28:45,059 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 17:28:45,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] ===
[2024-11-22 17:28:45,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 17:28:45,066 INFO L85 PathProgramCache]: Analyzing trace with hash -260483121, now seen corresponding path program 1 times
[2024-11-22 17:28:45,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 17:28:45,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865959514]
[2024-11-22 17:28:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 17:28:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 17:28:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 17:28:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 17:28:45,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 17:28:45,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865959514]
[2024-11-22 17:28:45,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865959514] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 17:28:45,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 17:28:45,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 17:28:45,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933474978]
[2024-11-22 17:28:45,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 17:28:45,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 17:28:45,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 17:28:45,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 17:28:45,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 17:28:45,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 195
[2024-11-22 17:28:45,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 130 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 17:28:45,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-22 17:28:45,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 195
[2024-11-22 17:28:45,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-22 17:28:45,780 INFO L124 PetriNetUnfolderBase]: 67/524 cut-off events.
[2024-11-22 17:28:45,780 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES.
[2024-11-22 17:28:45,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 524 events. 67/524 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2598 event pairs, 51 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 685. Up to 120 conditions per place.
[2024-11-22 17:28:45,793 INFO L140 encePairwiseOnDemand]: 192/195 looper letters, 24 selfloop transitions, 2 changer transitions 0/129 dead transitions.
[2024-11-22 17:28:45,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 129 transitions, 361 flow
[2024-11-22 17:28:45,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-22 17:28:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-22 17:28:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions.
[2024-11-22 17:28:45,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205
[2024-11-22 17:28:45,812 INFO L175 Difference]: Start difference. First operand has 144 places, 130 transitions, 311 flow. Second operand 3 states and 480 transitions.
[2024-11-22 17:28:45,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 129 transitions, 361 flow
[2024-11-22 17:28:45,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 129 transitions, 327 flow, removed 0 selfloop flow, removed 12 redundant places.
[2024-11-22 17:28:45,824 INFO L231 Difference]: Finished difference. Result has 133 places, 129 transitions, 279 flow
[2024-11-22 17:28:45,826 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=279, PETRI_PLACES=133, PETRI_TRANSITIONS=129}
[2024-11-22 17:28:45,830 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -11 predicate places.
[2024-11-22 17:28:45,833 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 129 transitions, 279 flow
[2024-11-22 17:28:45,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 17:28:45,834 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-22 17:28:45,834 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 17:28:45,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-22 17:28:45,834 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] ===
[2024-11-22 17:28:45,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 17:28:45,835 INFO L85 PathProgramCache]: Analyzing trace with hash -88378552, now seen corresponding path program 1 times
[2024-11-22 17:28:45,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 17:28:45,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890818277]
[2024-11-22 17:28:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 17:28:45,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 17:28:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 17:28:45,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 17:28:45,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 17:28:45,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890818277]
[2024-11-22 17:28:45,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890818277] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 17:28:45,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 17:28:45,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 17:28:45,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325933263]
[2024-11-22 17:28:45,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 17:28:45,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 17:28:45,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 17:28:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 17:28:45,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 17:28:45,990 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 195
[2024-11-22 17:28:45,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 129 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 17:28:45,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-22 17:28:45,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 195
[2024-11-22 17:28:45,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-22 17:28:46,173 INFO L124 PetriNetUnfolderBase]: 313/1152 cut-off events.
[2024-11-22 17:28:46,174 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES.
[2024-11-22 17:28:46,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1679 conditions, 1152 events. 313/1152 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7612 event pairs, 188 based on Foata normal form. 0/985 useless extension candidates. Maximal degree in co-relation 1649. Up to 471 conditions per place.
[2024-11-22 17:28:46,185 INFO L140 encePairwiseOnDemand]: 186/195 looper letters, 31 selfloop transitions, 4 changer transitions 0/131 dead transitions.
[2024-11-22 17:28:46,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 131 transitions, 356 flow
[2024-11-22 17:28:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-22 17:28:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-22 17:28:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions.
[2024-11-22 17:28:46,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.811965811965812
[2024-11-22 17:28:46,194 INFO L175 Difference]: Start difference. First operand has 133 places, 129 transitions, 279 flow. Second operand 3 states and 475 transitions.
[2024-11-22 17:28:46,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 131 transitions, 356 flow
[2024-11-22 17:28:46,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 131 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-22 17:28:46,201 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 293 flow
[2024-11-22 17:28:46,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=129, PETRI_TRANSITIONS=128}
[2024-11-22 17:28:46,203 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places.
[2024-11-22 17:28:46,204 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 293 flow
[2024-11-22 17:28:46,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 17:28:46,205 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-22 17:28:46,205 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 17:28:46,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-22 17:28:46,205 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] ===
[2024-11-22 17:28:46,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 17:28:46,208 INFO L85 PathProgramCache]: Analyzing trace with hash -582238325, now seen corresponding path program 1 times
[2024-11-22 17:28:46,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 17:28:46,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166291877]
[2024-11-22 17:28:46,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 17:28:46,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 17:28:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 17:28:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 17:28:46,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 17:28:46,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166291877]
[2024-11-22 17:28:46,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166291877] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 17:28:46,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 17:28:46,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 17:28:46,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734531861]
[2024-11-22 17:28:46,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 17:28:46,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 17:28:46,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 17:28:46,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 17:28:46,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 17:28:46,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 195
[2024-11-22 17:28:46,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 17:28:46,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-22 17:28:46,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 195
[2024-11-22 17:28:46,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-22 17:28:46,683 INFO L124 PetriNetUnfolderBase]: 322/1241 cut-off events.
[2024-11-22 17:28:46,683 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES.
[2024-11-22 17:28:46,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 1241 events. 322/1241 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 9452 event pairs, 187 based on Foata normal form. 0/1025 useless extension candidates. Maximal degree in co-relation 1847. Up to 447 conditions per place.
[2024-11-22 17:28:46,701 INFO L140 encePairwiseOnDemand]: 188/195 looper letters, 30 selfloop transitions, 6 changer transitions 0/136 dead transitions.
[2024-11-22 17:28:46,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 136 transitions, 384 flow
[2024-11-22 17:28:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-22 17:28:46,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-22 17:28:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 487 transitions.
[2024-11-22 17:28:46,703 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8324786324786325
[2024-11-22 17:28:46,703 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 293 flow. Second operand 3 states and 487 transitions.
[2024-11-22 17:28:46,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 136 transitions, 384 flow
[2024-11-22 17:28:46,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 136 transitions, 384 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-22 17:28:46,709 INFO L231 Difference]: Finished difference. Result has 133 places, 133 transitions, 339 flow
[2024-11-22 17:28:46,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=133, PETRI_TRANSITIONS=133}
[2024-11-22 17:28:46,711 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -11 predicate places.
[2024-11-22 17:28:46,712 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 133 transitions, 339 flow
[2024-11-22 17:28:46,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 17:28:46,712 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-22 17:28:46,713 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 17:28:46,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 17:28:46,713 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] ===
[2024-11-22 17:28:46,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 17:28:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash 173848095, now seen corresponding path program 1 times
[2024-11-22 17:28:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 17:28:46,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649931940]
[2024-11-22 17:28:46,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 17:28:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 17:28:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 17:28:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 17:28:46,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 17:28:46,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649931940]
[2024-11-22 17:28:46,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649931940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 17:28:46,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 17:28:46,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 17:28:46,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128824984]
[2024-11-22 17:28:46,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 17:28:46,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 17:28:46,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 17:28:46,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 17:28:46,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 17:28:46,876 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 195
[2024-11-22 17:28:46,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 133 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 17:28:46,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-22 17:28:46,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 195
[2024-11-22 17:28:46,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-22 17:28:47,126 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([336] L1116-4-->L1116-5: Formula: (= |v_#race_1| (store |v_#race_2| v_~v~0.base_3 (store (select |v_#race_2| v_~v~0.base_3) v_~v~0.offset_3 |v_thread2Thread1of1ForFork4_#t~nondet5_3|))) InVars {#race=|v_#race_2|, ~v~0.offset=v_~v~0.offset_3, thread2Thread1of1ForFork4_#t~nondet5=|v_thread2Thread1of1ForFork4_#t~nondet5_3|, ~v~0.base=v_~v~0.base_3} OutVars{#race=|v_#race_1|, ~v~0.offset=v_~v~0.offset_3, thread2Thread1of1ForFork4_#t~nondet5=|v_thread2Thread1of1ForFork4_#t~nondet5_3|, ~v~0.base=v_~v~0.base_3} AuxVars[] AssignedVars[#race][123], [34#L1142-4true, 139#L1116-5true, Black: 208#true, Black: 214#(= (select (select |#race| ~v~0.base) ~v~0.offset) |thread2Thread1of1ForFork0_#t~nondet5|), 210#(= |#race~v~0| 0), 22#L1116-6true, 186#L1116-5true, 91#L1132-4true, 54#L1121-6true, 217#true, 212#true])
[2024-11-22 17:28:47,127 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event
[2024-11-22 17:28:47,127 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event
[2024-11-22 17:28:47,127 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event
[2024-11-22 17:28:47,127 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event
[2024-11-22 17:28:47,161 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([336] L1116-4-->L1116-5: Formula: (= |v_#race_1| (store |v_#race_2| v_~v~0.base_3 (store (select |v_#race_2| v_~v~0.base_3) v_~v~0.offset_3 |v_thread2Thread1of1ForFork4_#t~nondet5_3|))) InVars {#race=|v_#race_2|, ~v~0.offset=v_~v~0.offset_3, thread2Thread1of1ForFork4_#t~nondet5=|v_thread2Thread1of1ForFork4_#t~nondet5_3|, ~v~0.base=v_~v~0.base_3} OutVars{#race=|v_#race_1|, ~v~0.offset=v_~v~0.offset_3, thread2Thread1of1ForFork4_#t~nondet5=|v_thread2Thread1of1ForFork4_#t~nondet5_3|, ~v~0.base=v_~v~0.base_3} AuxVars[] AssignedVars[#race][105], [139#L1116-5true, 34#L1142-4true, Black: 208#true, Black: 214#(= (select (select |#race| ~v~0.base) ~v~0.offset) |thread2Thread1of1ForFork0_#t~nondet5|), 210#(= |#race~v~0| 0), 6#L1122true, 91#L1132-4true, 22#L1116-6true, 186#L1116-5true, 217#true, 212#true])
[2024-11-22 17:28:47,161 INFO L294 olderBase$Statistics]: this new event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,161 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,162 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,162 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,164 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([312] L1116-4-->L1116-5: Formula: (= |v_#race_1| (store |v_#race_2| v_~v~0.base_3 (store (select |v_#race_2| v_~v~0.base_3) v_~v~0.offset_3 |v_thread2Thread1of1ForFork1_#t~nondet5_3|))) InVars {#race=|v_#race_2|, thread2Thread1of1ForFork1_#t~nondet5=|v_thread2Thread1of1ForFork1_#t~nondet5_3|, ~v~0.offset=v_~v~0.offset_3, ~v~0.base=v_~v~0.base_3} OutVars{#race=|v_#race_1|, thread2Thread1of1ForFork1_#t~nondet5=|v_thread2Thread1of1ForFork1_#t~nondet5_3|, ~v~0.offset=v_~v~0.offset_3, ~v~0.base=v_~v~0.base_3} AuxVars[] AssignedVars[#race][116], [139#L1116-5true, 34#L1142-4true, 8#thread2Err1ASSERT_VIOLATIONDATA_RACEtrue, Black: 208#true, Black: 214#(= (select (select |#race| ~v~0.base) ~v~0.offset) |thread2Thread1of1ForFork0_#t~nondet5|), 210#(= |#race~v~0| 0), 6#L1122true, 186#L1116-5true, 91#L1132-4true, 217#true, 212#true])
[2024-11-22 17:28:47,164 INFO L294 olderBase$Statistics]: this new event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,164 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,164 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,164 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,187 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([312] L1116-4-->L1116-5: Formula: (= |v_#race_1| (store |v_#race_2| v_~v~0.base_3 (store (select |v_#race_2| v_~v~0.base_3) v_~v~0.offset_3 |v_thread2Thread1of1ForFork1_#t~nondet5_3|))) InVars {#race=|v_#race_2|, thread2Thread1of1ForFork1_#t~nondet5=|v_thread2Thread1of1ForFork1_#t~nondet5_3|, ~v~0.offset=v_~v~0.offset_3, ~v~0.base=v_~v~0.base_3} OutVars{#race=|v_#race_1|, thread2Thread1of1ForFork1_#t~nondet5=|v_thread2Thread1of1ForFork1_#t~nondet5_3|, ~v~0.offset=v_~v~0.offset_3, ~v~0.base=v_~v~0.base_3} AuxVars[] AssignedVars[#race][119], [139#L1116-5true, 34#L1142-4true, Black: 208#true, Black: 214#(= (select (select |#race| ~v~0.base) ~v~0.offset) |thread2Thread1of1ForFork0_#t~nondet5|), 210#(= |#race~v~0| 0), 6#L1122true, 22#L1116-6true, 91#L1132-4true, 186#L1116-5true, 217#true, 212#true])
[2024-11-22 17:28:47,187 INFO L294 olderBase$Statistics]: this new event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,188 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,188 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,188 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event
[2024-11-22 17:28:47,195 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([336] L1116-4-->L1116-5: Formula: (= |v_#race_1| (store |v_#race_2| v_~v~0.base_3 (store (select |v_#race_2| v_~v~0.base_3) v_~v~0.offset_3 |v_thread2Thread1of1ForFork4_#t~nondet5_3|))) InVars {#race=|v_#race_2|, ~v~0.offset=v_~v~0.offset_3, thread2Thread1of1ForFork4_#t~nondet5=|v_thread2Thread1of1ForFork4_#t~nondet5_3|, ~v~0.base=v_~v~0.base_3} OutVars{#race=|v_#race_1|, ~v~0.offset=v_~v~0.offset_3, thread2Thread1of1ForFork4_#t~nondet5=|v_thread2Thread1of1ForFork4_#t~nondet5_3|, ~v~0.base=v_~v~0.base_3} AuxVars[] AssignedVars[#race][93], [139#L1116-5true, 34#L1142-4true, 8#thread2Err1ASSERT_VIOLATIONDATA_RACEtrue, Black: 208#true, Black: 214#(= (select (select |#race| ~v~0.base) ~v~0.offset) |thread2Thread1of1ForFork0_#t~nondet5|), 210#(= |#race~v~0| 0), 6#L1122true, 91#L1132-4true, 186#L1116-5true, 217#true, 212#true])
[2024-11-22 17:28:47,196 INFO L294 olderBase$Statistics]: this new event has 86 ancestors and is not cut-off event
[2024-11-22 17:28:47,196 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is not cut-off event
[2024-11-22 17:28:47,196 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is not cut-off event
[2024-11-22 17:28:47,196 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is not cut-off event
[2024-11-22 17:28:47,220 INFO L124 PetriNetUnfolderBase]: 954/2714 cut-off events.
[2024-11-22 17:28:47,220 INFO L125 PetriNetUnfolderBase]: For 881/1071 co-relation queries the response was YES.
[2024-11-22 17:28:47,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5520 conditions, 2714 events. 954/2714 cut-off events. For 881/1071 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 23160 event pairs, 365 based on Foata normal form. 2/2302 useless extension candidates. Maximal degree in co-relation 5488. Up to 1059 conditions per place.
[2024-11-22 17:28:47,296 INFO L140 encePairwiseOnDemand]: 188/195 looper letters, 33 selfloop transitions, 9 changer transitions 0/144 dead transitions.
[2024-11-22 17:28:47,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 144 transitions, 465 flow
[2024-11-22 17:28:47,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-22 17:28:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-22 17:28:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions.
[2024-11-22 17:28:47,299 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8341880341880342
[2024-11-22 17:28:47,299 INFO L175 Difference]: Start difference. First operand has 133 places, 133 transitions, 339 flow. Second operand 3 states and 488 transitions.
[2024-11-22 17:28:47,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 144 transitions, 465 flow
[2024-11-22 17:28:47,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 144 transitions, 447 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-22 17:28:47,312 INFO L231 Difference]: Finished difference. Result has 135 places, 140 transitions, 403 flow
[2024-11-22 17:28:47,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=135, PETRI_TRANSITIONS=140}
[2024-11-22 17:28:47,314 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -9 predicate places.
[2024-11-22 17:28:47,315 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 140 transitions, 403 flow
[2024-11-22 17:28:47,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 17:28:47,316 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-22 17:28:47,316 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 17:28:47,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-22 17:28:47,316 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] ===
[2024-11-22 17:28:47,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 17:28:47,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1118394648, now seen corresponding path program 1 times
[2024-11-22 17:28:47,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 17:28:47,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454951509]
[2024-11-22 17:28:47,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 17:28:47,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 17:28:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-22 17:28:47,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-22 17:28:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-22 17:28:47,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-22 17:28:47,411 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-22 17:28:47,412 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining)
[2024-11-22 17:28:47,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 27 remaining)
[2024-11-22 17:28:47,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 27 remaining)
[2024-11-22 17:28:47,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 27 remaining)
[2024-11-22 17:28:47,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 27 remaining)
[2024-11-22 17:28:47,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 27 remaining)
[2024-11-22 17:28:47,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining)
[2024-11-22 17:28:47,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining)
[2024-11-22 17:28:47,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining)
[2024-11-22 17:28:47,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining)
[2024-11-22 17:28:47,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining)
[2024-11-22 17:28:47,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining)
[2024-11-22 17:28:47,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining)
[2024-11-22 17:28:47,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 27 remaining)
[2024-11-22 17:28:47,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining)
[2024-11-22 17:28:47,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining)
[2024-11-22 17:28:47,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining)
[2024-11-22 17:28:47,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining)
[2024-11-22 17:28:47,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining)
[2024-11-22 17:28:47,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-22 17:28:47,423 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-22 17:28:47,555 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-22 17:28:47,555 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-22 17:28:47,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:28:47 BasicIcfg
[2024-11-22 17:28:47,560 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-22 17:28:47,561 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-22 17:28:47,561 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-22 17:28:47,561 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-22 17:28:47,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:28:44" (3/4) ...
[2024-11-22 17:28:47,562 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-22 17:28:47,637 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-22 17:28:47,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-22 17:28:47,638 INFO L158 Benchmark]: Toolchain (without parser) took 4084.75ms. Allocated memory was 163.6MB in the beginning and 293.6MB in the end (delta: 130.0MB). Free memory was 88.8MB in the beginning and 219.1MB in the end (delta: -130.4MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB.
[2024-11-22 17:28:47,638 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-22 17:28:47,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.82ms. Allocated memory is still 163.6MB. Free memory was 88.6MB in the beginning and 111.9MB in the end (delta: -23.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB.
[2024-11-22 17:28:47,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.88ms. Allocated memory is still 163.6MB. Free memory was 111.9MB in the beginning and 109.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-22 17:28:47,639 INFO L158 Benchmark]: Boogie Preprocessor took 33.05ms. Allocated memory is still 163.6MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-22 17:28:47,639 INFO L158 Benchmark]: RCFGBuilder took 375.72ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 91.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-22 17:28:47,639 INFO L158 Benchmark]: TraceAbstraction took 2844.96ms. Allocated memory was 163.6MB in the beginning and 293.6MB in the end (delta: 130.0MB). Free memory was 90.9MB in the beginning and 230.7MB in the end (delta: -139.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB.
[2024-11-22 17:28:47,640 INFO L158 Benchmark]: Witness Printer took 76.31ms. Allocated memory is still 293.6MB. Free memory was 230.7MB in the beginning and 219.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-22 17:28:47,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 694.82ms. Allocated memory is still 163.6MB. Free memory was 88.6MB in the beginning and 111.9MB in the end (delta: -23.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 53.88ms. Allocated memory is still 163.6MB. Free memory was 111.9MB in the beginning and 109.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 33.05ms. Allocated memory is still 163.6MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 375.72ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 91.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2844.96ms. Allocated memory was 163.6MB in the beginning and 293.6MB in the end (delta: 130.0MB). Free memory was 90.9MB in the beginning and 230.7MB in the end (delta: -139.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB.
* Witness Printer took 76.31ms. Allocated memory is still 293.6MB. Free memory was 230.7MB in the beginning and 219.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- DataRaceFoundResult [Line: 1116]: Data race detected
Data race detected
The following path leads to a data race:
[L1108] 0 char *v;
VAL [v={0:0}]
[L1141] 0 pthread_t t;
VAL [v={0:0}]
[L1142] FCALL, FORK 0 pthread_create(&t, 0, thread0, 0)
VAL [\old(arg)={0:0}, t=-3, v={0:0}]
[L1126] 1 pthread_t t1, t2, t3, t4, t5;
VAL [\old(arg)={0:0}, arg={0:0}, v={0:0}]
[L1127] FCALL, FORK 1 pthread_create(&t1, 0, thread1, 0)
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, t1=-2, v={0:0}]
[L1111] 2 v = malloc(sizeof(char))
VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, t1=-2, v={-1:0}]
[L1112] 2 return 0;
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, t1=-2, v={-1:0}]
[L1128] FCALL, JOIN 2 pthread_join(t1, 0)
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, t1=-2, v={-1:0}]
[L1129] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0)
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, v={-1:0}]
[L1130] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0)
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, t3=0, v={-1:0}]
[L1116] EXPR 3 v[0]
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, t3=0, v={-1:0}]
[L1121] EXPR 4 v[0]
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, t3=0, v={-1:0}]
[L1121] 4 v[0] = 'Y'
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, t3=0, v={-1:0}]
[L1116] EXPR 3 v[0]
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, t3=0, v={-1:0}]
[L1116] 3 v[0] = 'X'
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, t3=0, v={-1:0}]
[L1121] 4 v[0] = 'Y'
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, t3=0, v={-1:0}]
[L1116] 3 v[0] = 'X'
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1=-2, t2=-1, t3=0, v={-1:0}]
Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements
* C: v[0] [1121]
* C: v[0] = 'Y' [1121]
* C: v[0] [1116]
* C: v = malloc(sizeof(char)) [1111]
and
C: v[0] = 'X' [1116]
- UnprovableResult [Line: 1131]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1127]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1132]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1130]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1129]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1111]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1116]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1121]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1121]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1144]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1144]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1142]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1130]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1127]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1131]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1129]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1132]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 11 procedures, 242 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 12 mSDtfsCounter, 263 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-22 17:28:47,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE