./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:14:08,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:14:08,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:14:08,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:14:08,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:14:08,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:14:08,261 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:14:08,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:14:08,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:14:08,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:14:08,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:14:08,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:14:08,265 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:14:08,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:14:08,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:14:08,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:14:08,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:14:08,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:14:08,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:14:08,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:14:08,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:14:08,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:14:08,271 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:14:08,272 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:14:08,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:14:08,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:14:08,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:14:08,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:14:08,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:14:08,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:14:08,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:14:08,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:08,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:14:08,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:14:08,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:14:08,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:14:08,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:14:08,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:14:08,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:14:08,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:14:08,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:14:08,276 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-10-14 17:14:08,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:14:08,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:14:08,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:14:08,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:14:08,527 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:14:08,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-10-14 17:14:09,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:14:10,079 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:14:10,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-10-14 17:14:10,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386f81f65/2d7390bd06bf4979b53a48e25e79dcb4/FLAG7b9eb1d4f [2024-10-14 17:14:10,502 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386f81f65/2d7390bd06bf4979b53a48e25e79dcb4 [2024-10-14 17:14:10,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:14:10,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:14:10,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:10,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:14:10,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:14:10,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8ac672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10, skipping insertion in model container [2024-10-14 17:14:10,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:14:10,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:10,763 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:14:10,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:10,802 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:14:10,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10 WrapperNode [2024-10-14 17:14:10,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:10,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:10,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:14:10,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:14:10,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,852 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 421 [2024-10-14 17:14:10,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:10,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:14:10,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:14:10,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:14:10,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:14:10,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:14:10,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:14:10,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:14:10,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (1/1) ... [2024-10-14 17:14:10,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:10,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:14:10,926 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) [2024-10-14 17:14:10,932 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 [2024-10-14 17:14:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:14:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:14:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:14:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:14:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:14:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-14 17:14:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-14 17:14:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:14:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:14:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:14:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:14:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:14:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:14:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:14:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:14:10,966 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:14:11,057 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:14:11,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:14:11,536 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:14:11,537 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:14:11,691 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:14:11,692 INFO L314 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-14 17:14:11,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:11 BoogieIcfgContainer [2024-10-14 17:14:11,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:14:11,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:14:11,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:14:11,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:14:11,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:14:10" (1/3) ... [2024-10-14 17:14:11,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7358d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:11, skipping insertion in model container [2024-10-14 17:14:11,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:10" (2/3) ... [2024-10-14 17:14:11,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7358d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:11, skipping insertion in model container [2024-10-14 17:14:11,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:11" (3/3) ... [2024-10-14 17:14:11,699 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-10-14 17:14:11,713 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:14:11,713 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-10-14 17:14:11,713 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:14:11,786 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-14 17:14:11,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 397 places, 413 transitions, 847 flow [2024-10-14 17:14:11,901 INFO L124 PetriNetUnfolderBase]: 26/410 cut-off events. [2024-10-14 17:14:11,902 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:14:11,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 410 events. 26/410 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 814 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 322. Up to 2 conditions per place. [2024-10-14 17:14:11,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 397 places, 413 transitions, 847 flow [2024-10-14 17:14:11,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 378 places, 393 transitions, 804 flow [2024-10-14 17:14:11,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:14:11,927 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;@8dd71af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:14:11,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-10-14 17:14:11,930 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:14:11,930 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-14 17:14:11,930 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:14:11,931 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:11,931 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] [2024-10-14 17:14:11,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:11,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:11,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1319536759, now seen corresponding path program 1 times [2024-10-14 17:14:11,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:11,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396521167] [2024-10-14 17:14:11,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:11,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:12,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:12,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396521167] [2024-10-14 17:14:12,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396521167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:12,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:12,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296807307] [2024-10-14 17:14:12,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:12,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:12,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:12,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:12,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:12,156 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-10-14 17:14:12,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 393 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-10-14 17:14:12,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:12,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-10-14 17:14:12,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:12,476 INFO L124 PetriNetUnfolderBase]: 75/1119 cut-off events. [2024-10-14 17:14:12,476 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-14 17:14:12,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 1119 events. 75/1119 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5976 event pairs, 38 based on Foata normal form. 80/1016 useless extension candidates. Maximal degree in co-relation 712. Up to 92 conditions per place. [2024-10-14 17:14:12,491 INFO L140 encePairwiseOnDemand]: 382/413 looper letters, 16 selfloop transitions, 2 changer transitions 5/364 dead transitions. [2024-10-14 17:14:12,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 364 transitions, 782 flow [2024-10-14 17:14:12,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:12,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-10-14 17:14:12,507 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9168684422921711 [2024-10-14 17:14:12,509 INFO L175 Difference]: Start difference. First operand has 378 places, 393 transitions, 804 flow. Second operand 3 states and 1136 transitions. [2024-10-14 17:14:12,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 364 transitions, 782 flow [2024-10-14 17:14:12,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 364 transitions, 770 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-14 17:14:12,519 INFO L231 Difference]: Finished difference. Result has 361 places, 359 transitions, 728 flow [2024-10-14 17:14:12,521 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=361, PETRI_TRANSITIONS=359} [2024-10-14 17:14:12,525 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -17 predicate places. [2024-10-14 17:14:12,525 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 359 transitions, 728 flow [2024-10-14 17:14:12,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-10-14 17:14:12,527 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:12,527 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] [2024-10-14 17:14:12,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:14:12,527 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:12,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:12,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1832849193, now seen corresponding path program 1 times [2024-10-14 17:14:12,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:12,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373549346] [2024-10-14 17:14:12,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:12,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:12,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:12,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373549346] [2024-10-14 17:14:12,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373549346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:12,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:12,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:12,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81444747] [2024-10-14 17:14:12,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:12,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:12,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:12,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:12,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:12,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-10-14 17:14:12,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 359 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-10-14 17:14:12,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:12,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-10-14 17:14:12,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:12,737 INFO L124 PetriNetUnfolderBase]: 62/847 cut-off events. [2024-10-14 17:14:12,738 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:14:12,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 847 events. 62/847 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3734 event pairs, 34 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 916. Up to 85 conditions per place. [2024-10-14 17:14:12,746 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 16 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-10-14 17:14:12,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 762 flow [2024-10-14 17:14:12,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1108 transitions. [2024-10-14 17:14:12,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942695722356739 [2024-10-14 17:14:12,748 INFO L175 Difference]: Start difference. First operand has 361 places, 359 transitions, 728 flow. Second operand 3 states and 1108 transitions. [2024-10-14 17:14:12,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 762 flow [2024-10-14 17:14:12,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 358 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:12,756 INFO L231 Difference]: Finished difference. Result has 355 places, 358 transitions, 726 flow [2024-10-14 17:14:12,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=355, PETRI_TRANSITIONS=358} [2024-10-14 17:14:12,757 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -23 predicate places. [2024-10-14 17:14:12,757 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 358 transitions, 726 flow [2024-10-14 17:14:12,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-10-14 17:14:12,758 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:12,758 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] [2024-10-14 17:14:12,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:14:12,758 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:12,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:12,759 INFO L85 PathProgramCache]: Analyzing trace with hash -175215460, now seen corresponding path program 1 times [2024-10-14 17:14:12,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:12,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537167735] [2024-10-14 17:14:12,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:12,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:12,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:12,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537167735] [2024-10-14 17:14:12,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537167735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:12,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:12,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:12,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238374033] [2024-10-14 17:14:12,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:12,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:12,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:12,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:12,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:12,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-10-14 17:14:12,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 358 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-10-14 17:14:12,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:12,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-10-14 17:14:12,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:12,956 INFO L124 PetriNetUnfolderBase]: 85/1023 cut-off events. [2024-10-14 17:14:12,957 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-14 17:14:12,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 1023 events. 85/1023 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5429 event pairs, 56 based on Foata normal form. 0/867 useless extension candidates. Maximal degree in co-relation 1115. Up to 113 conditions per place. [2024-10-14 17:14:12,966 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 16 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-10-14 17:14:12,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 357 transitions, 760 flow [2024-10-14 17:14:12,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1108 transitions. [2024-10-14 17:14:12,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942695722356739 [2024-10-14 17:14:12,968 INFO L175 Difference]: Start difference. First operand has 355 places, 358 transitions, 726 flow. Second operand 3 states and 1108 transitions. [2024-10-14 17:14:12,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 357 transitions, 760 flow [2024-10-14 17:14:12,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 357 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:12,973 INFO L231 Difference]: Finished difference. Result has 354 places, 357 transitions, 724 flow [2024-10-14 17:14:12,974 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=354, PETRI_TRANSITIONS=357} [2024-10-14 17:14:12,975 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -24 predicate places. [2024-10-14 17:14:12,976 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 357 transitions, 724 flow [2024-10-14 17:14:12,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-10-14 17:14:12,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:12,977 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] [2024-10-14 17:14:12,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:14:12,977 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:12,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2067091731, now seen corresponding path program 1 times [2024-10-14 17:14:12,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:12,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797828589] [2024-10-14 17:14:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:13,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:13,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797828589] [2024-10-14 17:14:13,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797828589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:13,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:13,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:13,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764405037] [2024-10-14 17:14:13,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:13,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:13,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:13,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:13,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:13,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-10-14 17:14:13,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 357 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-10-14 17:14:13,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:13,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-10-14 17:14:13,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:13,171 INFO L124 PetriNetUnfolderBase]: 99/1075 cut-off events. [2024-10-14 17:14:13,171 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-14 17:14:13,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1229 conditions, 1075 events. 99/1075 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5613 event pairs, 59 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 1181. Up to 135 conditions per place. [2024-10-14 17:14:13,179 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/353 dead transitions. [2024-10-14 17:14:13,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 353 transitions, 752 flow [2024-10-14 17:14:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-10-14 17:14:13,181 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-10-14 17:14:13,181 INFO L175 Difference]: Start difference. First operand has 354 places, 357 transitions, 724 flow. Second operand 3 states and 1105 transitions. [2024-10-14 17:14:13,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 353 transitions, 752 flow [2024-10-14 17:14:13,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 353 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:13,185 INFO L231 Difference]: Finished difference. Result has 350 places, 353 transitions, 714 flow [2024-10-14 17:14:13,185 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=714, PETRI_PLACES=350, PETRI_TRANSITIONS=353} [2024-10-14 17:14:13,186 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -28 predicate places. [2024-10-14 17:14:13,186 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 353 transitions, 714 flow [2024-10-14 17:14:13,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-10-14 17:14:13,187 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:13,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:13,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:14:13,187 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:13,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:13,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1560551370, now seen corresponding path program 1 times [2024-10-14 17:14:13,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:13,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681751171] [2024-10-14 17:14:13,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:13,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:13,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:13,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681751171] [2024-10-14 17:14:13,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681751171] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:13,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:13,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:14:13,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590870294] [2024-10-14 17:14:13,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:13,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:14:13,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:13,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:14:13,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:14:13,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 413 [2024-10-14 17:14:13,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 353 transitions, 714 flow. Second operand has 6 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 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) [2024-10-14 17:14:13,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:13,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 413 [2024-10-14 17:14:13,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:15,385 INFO L124 PetriNetUnfolderBase]: 2877/11745 cut-off events. [2024-10-14 17:14:15,385 INFO L125 PetriNetUnfolderBase]: For 219/219 co-relation queries the response was YES. [2024-10-14 17:14:15,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15902 conditions, 11745 events. 2877/11745 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 125370 event pairs, 2079 based on Foata normal form. 0/9821 useless extension candidates. Maximal degree in co-relation 15855. Up to 4033 conditions per place. [2024-10-14 17:14:15,475 INFO L140 encePairwiseOnDemand]: 401/413 looper letters, 49 selfloop transitions, 10 changer transitions 0/351 dead transitions. [2024-10-14 17:14:15,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 351 transitions, 828 flow [2024-10-14 17:14:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:14:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:14:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1993 transitions. [2024-10-14 17:14:15,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8042776432606941 [2024-10-14 17:14:15,480 INFO L175 Difference]: Start difference. First operand has 350 places, 353 transitions, 714 flow. Second operand 6 states and 1993 transitions. [2024-10-14 17:14:15,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 351 transitions, 828 flow [2024-10-14 17:14:15,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 351 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:15,485 INFO L231 Difference]: Finished difference. Result has 352 places, 351 transitions, 729 flow [2024-10-14 17:14:15,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=709, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=729, PETRI_PLACES=352, PETRI_TRANSITIONS=351} [2024-10-14 17:14:15,486 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -26 predicate places. [2024-10-14 17:14:15,487 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 351 transitions, 729 flow [2024-10-14 17:14:15,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 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) [2024-10-14 17:14:15,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:15,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:15,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:14:15,489 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:15,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1755734855, now seen corresponding path program 1 times [2024-10-14 17:14:15,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:15,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087210060] [2024-10-14 17:14:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:15,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:15,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:15,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:15,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087210060] [2024-10-14 17:14:15,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087210060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:15,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:15,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:15,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799654847] [2024-10-14 17:14:15,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:15,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:15,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:15,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:15,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:15,646 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-10-14 17:14:15,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 351 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 362.3333333333333) internal successors, (1087), 3 states have internal predecessors, (1087), 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) [2024-10-14 17:14:15,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:15,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-10-14 17:14:15,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:15,947 INFO L124 PetriNetUnfolderBase]: 212/1655 cut-off events. [2024-10-14 17:14:15,948 INFO L125 PetriNetUnfolderBase]: For 32/35 co-relation queries the response was YES. [2024-10-14 17:14:15,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1971 conditions, 1655 events. 212/1655 cut-off events. For 32/35 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10948 event pairs, 135 based on Foata normal form. 0/1417 useless extension candidates. Maximal degree in co-relation 1938. Up to 280 conditions per place. [2024-10-14 17:14:15,961 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 18 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2024-10-14 17:14:15,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 350 transitions, 767 flow [2024-10-14 17:14:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1104 transitions. [2024-10-14 17:14:15,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8910411622276029 [2024-10-14 17:14:15,965 INFO L175 Difference]: Start difference. First operand has 352 places, 351 transitions, 729 flow. Second operand 3 states and 1104 transitions. [2024-10-14 17:14:15,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 350 transitions, 767 flow [2024-10-14 17:14:15,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 350 transitions, 747 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:14:15,971 INFO L231 Difference]: Finished difference. Result has 348 places, 350 transitions, 711 flow [2024-10-14 17:14:15,971 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=711, PETRI_PLACES=348, PETRI_TRANSITIONS=350} [2024-10-14 17:14:15,972 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -30 predicate places. [2024-10-14 17:14:15,973 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 350 transitions, 711 flow [2024-10-14 17:14:15,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.3333333333333) internal successors, (1087), 3 states have internal predecessors, (1087), 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) [2024-10-14 17:14:15,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:15,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:15,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:14:15,974 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:15,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:15,975 INFO L85 PathProgramCache]: Analyzing trace with hash -452728092, now seen corresponding path program 1 times [2024-10-14 17:14:15,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:15,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342665929] [2024-10-14 17:14:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:15,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:16,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:16,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342665929] [2024-10-14 17:14:16,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342665929] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:16,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:16,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:16,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835859927] [2024-10-14 17:14:16,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:16,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:16,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:16,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:16,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:16,029 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-10-14 17:14:16,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 350 transitions, 711 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-10-14 17:14:16,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:16,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-10-14 17:14:16,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:16,271 INFO L124 PetriNetUnfolderBase]: 267/2525 cut-off events. [2024-10-14 17:14:16,271 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-14 17:14:16,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2875 conditions, 2525 events. 267/2525 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 19533 event pairs, 135 based on Foata normal form. 0/2143 useless extension candidates. Maximal degree in co-relation 2827. Up to 322 conditions per place. [2024-10-14 17:14:16,318 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/346 dead transitions. [2024-10-14 17:14:16,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 346 transitions, 739 flow [2024-10-14 17:14:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:16,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-10-14 17:14:16,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-10-14 17:14:16,320 INFO L175 Difference]: Start difference. First operand has 348 places, 350 transitions, 711 flow. Second operand 3 states and 1105 transitions. [2024-10-14 17:14:16,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 346 transitions, 739 flow [2024-10-14 17:14:16,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 346 transitions, 735 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:16,328 INFO L231 Difference]: Finished difference. Result has 344 places, 346 transitions, 701 flow [2024-10-14 17:14:16,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=701, PETRI_PLACES=344, PETRI_TRANSITIONS=346} [2024-10-14 17:14:16,329 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -34 predicate places. [2024-10-14 17:14:16,333 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 346 transitions, 701 flow [2024-10-14 17:14:16,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-10-14 17:14:16,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:16,334 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, 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] [2024-10-14 17:14:16,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:14:16,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:16,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:16,335 INFO L85 PathProgramCache]: Analyzing trace with hash -471401314, now seen corresponding path program 1 times [2024-10-14 17:14:16,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:16,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895855983] [2024-10-14 17:14:16,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:16,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:16,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:16,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895855983] [2024-10-14 17:14:16,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895855983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:16,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:16,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118664431] [2024-10-14 17:14:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:16,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:16,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:16,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:16,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:16,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 413 [2024-10-14 17:14:16,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 346 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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) [2024-10-14 17:14:16,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:16,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 413 [2024-10-14 17:14:16,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:16,451 INFO L124 PetriNetUnfolderBase]: 32/597 cut-off events. [2024-10-14 17:14:16,452 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:14:16,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 597 events. 32/597 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1965 event pairs, 15 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 602. Up to 40 conditions per place. [2024-10-14 17:14:16,457 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 12 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2024-10-14 17:14:16,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 345 transitions, 727 flow [2024-10-14 17:14:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1116 transitions. [2024-10-14 17:14:16,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007263922518159 [2024-10-14 17:14:16,460 INFO L175 Difference]: Start difference. First operand has 344 places, 346 transitions, 701 flow. Second operand 3 states and 1116 transitions. [2024-10-14 17:14:16,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 345 transitions, 727 flow [2024-10-14 17:14:16,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 345 transitions, 726 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:16,464 INFO L231 Difference]: Finished difference. Result has 344 places, 345 transitions, 702 flow [2024-10-14 17:14:16,464 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=344, PETRI_TRANSITIONS=345} [2024-10-14 17:14:16,465 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -34 predicate places. [2024-10-14 17:14:16,465 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 345 transitions, 702 flow [2024-10-14 17:14:16,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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) [2024-10-14 17:14:16,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:16,468 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, 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] [2024-10-14 17:14:16,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:14:16,469 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:16,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:16,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1786266170, now seen corresponding path program 1 times [2024-10-14 17:14:16,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:16,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320025683] [2024-10-14 17:14:16,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:16,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:16,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:16,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320025683] [2024-10-14 17:14:16,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320025683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:16,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:16,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:16,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295039134] [2024-10-14 17:14:16,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:16,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:16,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:16,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:16,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:16,541 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-10-14 17:14:16,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 345 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-10-14 17:14:16,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:16,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-10-14 17:14:16,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:16,715 INFO L124 PetriNetUnfolderBase]: 123/1366 cut-off events. [2024-10-14 17:14:16,715 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-14 17:14:16,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1535 conditions, 1366 events. 123/1366 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8486 event pairs, 71 based on Foata normal form. 0/1189 useless extension candidates. Maximal degree in co-relation 1487. Up to 150 conditions per place. [2024-10-14 17:14:16,722 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/341 dead transitions. [2024-10-14 17:14:16,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 341 transitions, 730 flow [2024-10-14 17:14:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-10-14 17:14:16,724 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-10-14 17:14:16,724 INFO L175 Difference]: Start difference. First operand has 344 places, 345 transitions, 702 flow. Second operand 3 states and 1105 transitions. [2024-10-14 17:14:16,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 341 transitions, 730 flow [2024-10-14 17:14:16,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 341 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:16,728 INFO L231 Difference]: Finished difference. Result has 340 places, 341 transitions, 692 flow [2024-10-14 17:14:16,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=340, PETRI_TRANSITIONS=341} [2024-10-14 17:14:16,729 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -38 predicate places. [2024-10-14 17:14:16,729 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 341 transitions, 692 flow [2024-10-14 17:14:16,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-10-14 17:14:16,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:16,730 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:16,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:14:16,730 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:16,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:16,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1702865575, now seen corresponding path program 1 times [2024-10-14 17:14:16,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:16,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697907852] [2024-10-14 17:14:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:16,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:16,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:16,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697907852] [2024-10-14 17:14:16,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697907852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:16,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:16,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:16,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967966236] [2024-10-14 17:14:16,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:16,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:16,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:16,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:16,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:16,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 413 [2024-10-14 17:14:16,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 341 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 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) [2024-10-14 17:14:16,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:16,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 413 [2024-10-14 17:14:16,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:17,167 INFO L124 PetriNetUnfolderBase]: 771/4413 cut-off events. [2024-10-14 17:14:17,168 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-10-14 17:14:17,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5495 conditions, 4413 events. 771/4413 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 39575 event pairs, 325 based on Foata normal form. 0/3896 useless extension candidates. Maximal degree in co-relation 5448. Up to 1026 conditions per place. [2024-10-14 17:14:17,206 INFO L140 encePairwiseOnDemand]: 404/413 looper letters, 27 selfloop transitions, 3 changer transitions 0/343 dead transitions. [2024-10-14 17:14:17,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 343 transitions, 761 flow [2024-10-14 17:14:17,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2024-10-14 17:14:17,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8886198547215496 [2024-10-14 17:14:17,210 INFO L175 Difference]: Start difference. First operand has 340 places, 341 transitions, 692 flow. Second operand 3 states and 1101 transitions. [2024-10-14 17:14:17,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 343 transitions, 761 flow [2024-10-14 17:14:17,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 343 transitions, 760 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:17,217 INFO L231 Difference]: Finished difference. Result has 336 places, 338 transitions, 700 flow [2024-10-14 17:14:17,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=336, PETRI_TRANSITIONS=338} [2024-10-14 17:14:17,218 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -42 predicate places. [2024-10-14 17:14:17,218 INFO L471 AbstractCegarLoop]: Abstraction has has 336 places, 338 transitions, 700 flow [2024-10-14 17:14:17,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 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) [2024-10-14 17:14:17,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:17,219 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:17,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:14:17,220 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:17,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:17,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1384370475, now seen corresponding path program 1 times [2024-10-14 17:14:17,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:17,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894582357] [2024-10-14 17:14:17,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:17,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:17,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:17,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894582357] [2024-10-14 17:14:17,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894582357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:17,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:17,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 17:14:17,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754255114] [2024-10-14 17:14:17,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:17,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 17:14:17,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:17,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 17:14:17,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 17:14:17,637 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 413 [2024-10-14 17:14:17,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 338 transitions, 700 flow. Second operand has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 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) [2024-10-14 17:14:17,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:17,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 413 [2024-10-14 17:14:17,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:18,295 INFO L124 PetriNetUnfolderBase]: 217/2201 cut-off events. [2024-10-14 17:14:18,295 INFO L125 PetriNetUnfolderBase]: For 21/48 co-relation queries the response was YES. [2024-10-14 17:14:18,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2611 conditions, 2201 events. 217/2201 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15465 event pairs, 79 based on Foata normal form. 9/2002 useless extension candidates. Maximal degree in co-relation 2562. Up to 188 conditions per place. [2024-10-14 17:14:18,311 INFO L140 encePairwiseOnDemand]: 400/413 looper letters, 47 selfloop transitions, 14 changer transitions 0/366 dead transitions. [2024-10-14 17:14:18,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 366 transitions, 886 flow [2024-10-14 17:14:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 17:14:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 17:14:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3562 transitions. [2024-10-14 17:14:18,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8624697336561743 [2024-10-14 17:14:18,322 INFO L175 Difference]: Start difference. First operand has 336 places, 338 transitions, 700 flow. Second operand 10 states and 3562 transitions. [2024-10-14 17:14:18,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 366 transitions, 886 flow [2024-10-14 17:14:18,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 366 transitions, 886 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:14:18,327 INFO L231 Difference]: Finished difference. Result has 349 places, 345 transitions, 766 flow [2024-10-14 17:14:18,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=766, PETRI_PLACES=349, PETRI_TRANSITIONS=345} [2024-10-14 17:14:18,327 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -29 predicate places. [2024-10-14 17:14:18,328 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 345 transitions, 766 flow [2024-10-14 17:14:18,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 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) [2024-10-14 17:14:18,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:18,329 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:18,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 17:14:18,330 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:18,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:18,330 INFO L85 PathProgramCache]: Analyzing trace with hash -507042241, now seen corresponding path program 1 times [2024-10-14 17:14:18,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:18,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092478482] [2024-10-14 17:14:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:18,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:18,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:18,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092478482] [2024-10-14 17:14:18,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092478482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:18,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:18,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:14:18,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843422261] [2024-10-14 17:14:18,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:18,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 17:14:18,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:18,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 17:14:18,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 17:14:18,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-10-14 17:14:18,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 345 transitions, 766 flow. Second operand has 5 states, 5 states have (on average 363.0) internal successors, (1815), 5 states have internal predecessors, (1815), 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) [2024-10-14 17:14:18,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:18,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-10-14 17:14:18,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:18,939 INFO L124 PetriNetUnfolderBase]: 337/2694 cut-off events. [2024-10-14 17:14:18,940 INFO L125 PetriNetUnfolderBase]: For 101/147 co-relation queries the response was YES. [2024-10-14 17:14:18,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3347 conditions, 2694 events. 337/2694 cut-off events. For 101/147 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 19098 event pairs, 129 based on Foata normal form. 18/2423 useless extension candidates. Maximal degree in co-relation 3289. Up to 327 conditions per place. [2024-10-14 17:14:18,966 INFO L140 encePairwiseOnDemand]: 407/413 looper letters, 31 selfloop transitions, 5 changer transitions 0/360 dead transitions. [2024-10-14 17:14:18,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 360 transitions, 876 flow [2024-10-14 17:14:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 17:14:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 17:14:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1842 transitions. [2024-10-14 17:14:18,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8920096852300242 [2024-10-14 17:14:18,971 INFO L175 Difference]: Start difference. First operand has 349 places, 345 transitions, 766 flow. Second operand 5 states and 1842 transitions. [2024-10-14 17:14:18,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 360 transitions, 876 flow [2024-10-14 17:14:18,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 360 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:18,979 INFO L231 Difference]: Finished difference. Result has 354 places, 347 transitions, 787 flow [2024-10-14 17:14:18,980 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=787, PETRI_PLACES=354, PETRI_TRANSITIONS=347} [2024-10-14 17:14:18,981 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -24 predicate places. [2024-10-14 17:14:18,981 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 347 transitions, 787 flow [2024-10-14 17:14:18,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 363.0) internal successors, (1815), 5 states have internal predecessors, (1815), 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) [2024-10-14 17:14:18,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:18,982 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, 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, 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] [2024-10-14 17:14:18,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 17:14:18,983 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:18,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:18,983 INFO L85 PathProgramCache]: Analyzing trace with hash -119987171, now seen corresponding path program 1 times [2024-10-14 17:14:18,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:18,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456923597] [2024-10-14 17:14:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:19,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:19,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456923597] [2024-10-14 17:14:19,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456923597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:19,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:19,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:14:19,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427786519] [2024-10-14 17:14:19,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:19,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:14:19,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:19,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:14:19,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:14:19,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-10-14 17:14:19,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 347 transitions, 787 flow. Second operand has 6 states, 6 states have (on average 350.6666666666667) internal successors, (2104), 6 states have internal predecessors, (2104), 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) [2024-10-14 17:14:19,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:19,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-10-14 17:14:19,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:20,188 INFO L124 PetriNetUnfolderBase]: 511/2768 cut-off events. [2024-10-14 17:14:20,189 INFO L125 PetriNetUnfolderBase]: For 302/356 co-relation queries the response was YES. [2024-10-14 17:14:20,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3872 conditions, 2768 events. 511/2768 cut-off events. For 302/356 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 21129 event pairs, 110 based on Foata normal form. 4/2460 useless extension candidates. Maximal degree in co-relation 3815. Up to 332 conditions per place. [2024-10-14 17:14:20,216 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 45 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-10-14 17:14:20,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 361 transitions, 923 flow [2024-10-14 17:14:20,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:14:20,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:14:20,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-10-14 17:14:20,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-10-14 17:14:20,221 INFO L175 Difference]: Start difference. First operand has 354 places, 347 transitions, 787 flow. Second operand 6 states and 2144 transitions. [2024-10-14 17:14:20,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 361 transitions, 923 flow [2024-10-14 17:14:20,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 361 transitions, 918 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:20,227 INFO L231 Difference]: Finished difference. Result has 355 places, 345 transitions, 788 flow [2024-10-14 17:14:20,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=355, PETRI_TRANSITIONS=345} [2024-10-14 17:14:20,228 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -23 predicate places. [2024-10-14 17:14:20,228 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 345 transitions, 788 flow [2024-10-14 17:14:20,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.6666666666667) internal successors, (2104), 6 states have internal predecessors, (2104), 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) [2024-10-14 17:14:20,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:20,230 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, 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, 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] [2024-10-14 17:14:20,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 17:14:20,230 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:20,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:20,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1809963800, now seen corresponding path program 1 times [2024-10-14 17:14:20,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:20,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218837587] [2024-10-14 17:14:20,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:20,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:20,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:20,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218837587] [2024-10-14 17:14:20,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218837587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:20,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:20,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:14:20,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34865751] [2024-10-14 17:14:20,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:20,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:14:20,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:20,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:14:20,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:14:20,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-10-14 17:14:20,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 345 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 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) [2024-10-14 17:14:20,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:20,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-10-14 17:14:20,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:21,157 INFO L124 PetriNetUnfolderBase]: 651/2941 cut-off events. [2024-10-14 17:14:21,158 INFO L125 PetriNetUnfolderBase]: For 311/432 co-relation queries the response was YES. [2024-10-14 17:14:21,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4165 conditions, 2941 events. 651/2941 cut-off events. For 311/432 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 22531 event pairs, 87 based on Foata normal form. 0/2675 useless extension candidates. Maximal degree in co-relation 4108. Up to 496 conditions per place. [2024-10-14 17:14:21,184 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 43 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-10-14 17:14:21,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 359 transitions, 920 flow [2024-10-14 17:14:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:14:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:14:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-10-14 17:14:21,188 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-10-14 17:14:21,188 INFO L175 Difference]: Start difference. First operand has 355 places, 345 transitions, 788 flow. Second operand 6 states and 2144 transitions. [2024-10-14 17:14:21,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 359 transitions, 920 flow [2024-10-14 17:14:21,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 359 transitions, 910 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:14:21,193 INFO L231 Difference]: Finished difference. Result has 353 places, 343 transitions, 784 flow [2024-10-14 17:14:21,194 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=353, PETRI_TRANSITIONS=343} [2024-10-14 17:14:21,194 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -25 predicate places. [2024-10-14 17:14:21,194 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 343 transitions, 784 flow [2024-10-14 17:14:21,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 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) [2024-10-14 17:14:21,195 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:21,195 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, 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, 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] [2024-10-14 17:14:21,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 17:14:21,196 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:21,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:21,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1740639321, now seen corresponding path program 1 times [2024-10-14 17:14:21,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:21,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730236148] [2024-10-14 17:14:21,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:21,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 17:14:21,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:21,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730236148] [2024-10-14 17:14:21,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730236148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:21,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:21,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:14:21,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813159549] [2024-10-14 17:14:21,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:21,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:14:21,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:21,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:14:21,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:14:21,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-10-14 17:14:21,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 343 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 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) [2024-10-14 17:14:21,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:21,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-10-14 17:14:21,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:22,026 INFO L124 PetriNetUnfolderBase]: 350/2338 cut-off events. [2024-10-14 17:14:22,026 INFO L125 PetriNetUnfolderBase]: For 140/219 co-relation queries the response was YES. [2024-10-14 17:14:22,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3369 conditions, 2338 events. 350/2338 cut-off events. For 140/219 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 18278 event pairs, 91 based on Foata normal form. 12/2189 useless extension candidates. Maximal degree in co-relation 3312. Up to 278 conditions per place. [2024-10-14 17:14:22,044 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 45 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2024-10-14 17:14:22,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 357 transitions, 920 flow [2024-10-14 17:14:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:14:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:14:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-10-14 17:14:22,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-10-14 17:14:22,048 INFO L175 Difference]: Start difference. First operand has 353 places, 343 transitions, 784 flow. Second operand 6 states and 2144 transitions. [2024-10-14 17:14:22,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 357 transitions, 920 flow [2024-10-14 17:14:22,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 357 transitions, 910 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:14:22,053 INFO L231 Difference]: Finished difference. Result has 351 places, 341 transitions, 780 flow [2024-10-14 17:14:22,053 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=780, PETRI_PLACES=351, PETRI_TRANSITIONS=341} [2024-10-14 17:14:22,054 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -27 predicate places. [2024-10-14 17:14:22,054 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 341 transitions, 780 flow [2024-10-14 17:14:22,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 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) [2024-10-14 17:14:22,055 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:22,055 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, 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, 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] [2024-10-14 17:14:22,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 17:14:22,055 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:22,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:22,056 INFO L85 PathProgramCache]: Analyzing trace with hash -801679105, now seen corresponding path program 1 times [2024-10-14 17:14:22,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:22,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964552085] [2024-10-14 17:14:22,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:22,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:22,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:22,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964552085] [2024-10-14 17:14:22,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964552085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:22,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:22,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:22,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150501291] [2024-10-14 17:14:22,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:22,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:22,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:22,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:22,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:22,090 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 413 [2024-10-14 17:14:22,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 341 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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) [2024-10-14 17:14:22,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:22,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 413 [2024-10-14 17:14:22,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:22,244 INFO L124 PetriNetUnfolderBase]: 128/1639 cut-off events. [2024-10-14 17:14:22,244 INFO L125 PetriNetUnfolderBase]: For 43/68 co-relation queries the response was YES. [2024-10-14 17:14:22,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 1639 events. 128/1639 cut-off events. For 43/68 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9939 event pairs, 38 based on Foata normal form. 0/1536 useless extension candidates. Maximal degree in co-relation 1954. Up to 149 conditions per place. [2024-10-14 17:14:22,257 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 10 selfloop transitions, 1 changer transitions 0/340 dead transitions. [2024-10-14 17:14:22,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 340 transitions, 800 flow [2024-10-14 17:14:22,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1125 transitions. [2024-10-14 17:14:22,260 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9079903147699758 [2024-10-14 17:14:22,260 INFO L175 Difference]: Start difference. First operand has 351 places, 341 transitions, 780 flow. Second operand 3 states and 1125 transitions. [2024-10-14 17:14:22,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 340 transitions, 800 flow [2024-10-14 17:14:22,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 340 transitions, 790 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:14:22,264 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 770 flow [2024-10-14 17:14:22,264 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2024-10-14 17:14:22,265 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -31 predicate places. [2024-10-14 17:14:22,265 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 770 flow [2024-10-14 17:14:22,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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) [2024-10-14 17:14:22,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:22,266 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, 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, 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] [2024-10-14 17:14:22,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 17:14:22,266 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-10-14 17:14:22,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:22,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2009689025, now seen corresponding path program 1 times [2024-10-14 17:14:22,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:22,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704065867] [2024-10-14 17:14:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:22,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:22,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:22,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704065867] [2024-10-14 17:14:22,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704065867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:22,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:22,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:22,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188498423] [2024-10-14 17:14:22,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:22,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:22,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:22,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:22,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:22,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 413 [2024-10-14 17:14:22,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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) [2024-10-14 17:14:22,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:22,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 413 [2024-10-14 17:14:22,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:22,455 INFO L124 PetriNetUnfolderBase]: 128/1631 cut-off events. [2024-10-14 17:14:22,455 INFO L125 PetriNetUnfolderBase]: For 43/68 co-relation queries the response was YES. [2024-10-14 17:14:22,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1967 conditions, 1631 events. 128/1631 cut-off events. For 43/68 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9844 event pairs, 38 based on Foata normal form. 8/1536 useless extension candidates. Maximal degree in co-relation 1917. Up to 149 conditions per place. [2024-10-14 17:14:22,465 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 0 selfloop transitions, 0 changer transitions 339/339 dead transitions. [2024-10-14 17:14:22,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 339 transitions, 788 flow [2024-10-14 17:14:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:22,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-10-14 17:14:22,468 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9071832122679581 [2024-10-14 17:14:22,468 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 770 flow. Second operand 3 states and 1124 transitions. [2024-10-14 17:14:22,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 339 transitions, 788 flow [2024-10-14 17:14:22,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 339 transitions, 787 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:22,471 INFO L231 Difference]: Finished difference. Result has 347 places, 0 transitions, 0 flow [2024-10-14 17:14:22,471 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=347, PETRI_TRANSITIONS=0} [2024-10-14 17:14:22,472 INFO L277 CegarLoopForPetriNet]: 378 programPoint places, -31 predicate places. [2024-10-14 17:14:22,472 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 0 transitions, 0 flow [2024-10-14 17:14:22,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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) [2024-10-14 17:14:22,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2024-10-14 17:14:22,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2024-10-14 17:14:22,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2024-10-14 17:14:22,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2024-10-14 17:14:22,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2024-10-14 17:14:22,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2024-10-14 17:14:22,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2024-10-14 17:14:22,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2024-10-14 17:14:22,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2024-10-14 17:14:22,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2024-10-14 17:14:22,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2024-10-14 17:14:22,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2024-10-14 17:14:22,479 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2024-10-14 17:14:22,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2024-10-14 17:14:22,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2024-10-14 17:14:22,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2024-10-14 17:14:22,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 17:14:22,483 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:22,487 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:14:22,487 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:14:22,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:14:22 BasicIcfg [2024-10-14 17:14:22,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:14:22,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:14:22,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:14:22,491 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:14:22,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:11" (3/4) ... [2024-10-14 17:14:22,493 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:14:22,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:14:22,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:14:22,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-14 17:14:22,499 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-10-14 17:14:22,499 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:14:22,500 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:14:22,500 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:14:22,579 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:14:22,579 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:14:22,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:14:22,580 INFO L158 Benchmark]: Toolchain (without parser) took 12073.42ms. Allocated memory was 172.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 99.5MB in the beginning and 560.0MB in the end (delta: -460.5MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-10-14 17:14:22,580 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:14:22,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.75ms. Allocated memory was 172.0MB in the beginning and 283.1MB in the end (delta: 111.1MB). Free memory was 99.4MB in the beginning and 247.2MB in the end (delta: -147.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-10-14 17:14:22,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.17ms. Allocated memory is still 283.1MB. Free memory was 247.2MB in the beginning and 244.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:14:22,581 INFO L158 Benchmark]: Boogie Preprocessor took 41.18ms. Allocated memory is still 283.1MB. Free memory was 244.0MB in the beginning and 239.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:14:22,581 INFO L158 Benchmark]: RCFGBuilder took 797.02ms. Allocated memory is still 283.1MB. Free memory was 239.8MB in the beginning and 159.1MB in the end (delta: 80.7MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2024-10-14 17:14:22,581 INFO L158 Benchmark]: TraceAbstraction took 10797.07ms. Allocated memory was 283.1MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 158.0MB in the beginning and 566.3MB in the end (delta: -408.3MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-10-14 17:14:22,582 INFO L158 Benchmark]: Witness Printer took 88.50ms. Allocated memory is still 1.7GB. Free memory was 566.3MB in the beginning and 560.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 17:14:22,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.75ms. Allocated memory was 172.0MB in the beginning and 283.1MB in the end (delta: 111.1MB). Free memory was 99.4MB in the beginning and 247.2MB in the end (delta: -147.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.17ms. Allocated memory is still 283.1MB. Free memory was 247.2MB in the beginning and 244.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.18ms. Allocated memory is still 283.1MB. Free memory was 244.0MB in the beginning and 239.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 797.02ms. Allocated memory is still 283.1MB. Free memory was 239.8MB in the beginning and 159.1MB in the end (delta: 80.7MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10797.07ms. Allocated memory was 283.1MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 158.0MB in the beginning and 566.3MB in the end (delta: -408.3MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 88.50ms. Allocated memory is still 1.7GB. Free memory was 566.3MB in the beginning and 560.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 565 locations, 79 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: 10.7s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1462 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 838 mSDsluCounter, 547 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 447 mSDsCounter, 386 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2375 IncrementalHoareTripleChecker+Invalid, 2761 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 386 mSolverCounterUnsat, 100 mSDtfsCounter, 2375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=804occurred in iteration=0, InterpolantAutomatonStates: 72, 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, 1.9s InterpolantComputationTime, 1796 NumberOfCodeBlocks, 1796 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1779 ConstructedInterpolants, 0 QuantifiedInterpolants, 2551 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 1/1 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 - AllSpecificationsHoldResult: All specifications hold 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:14:22,609 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 Result: TRUE