./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-more-array-sum-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d 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-more-array-sum-alt2.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 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 10:00:04,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 10:00:04,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 10:00:04,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 10:00:04,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 10:00:04,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 10:00:04,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 10:00:04,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 10:00:04,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 10:00:04,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 10:00:04,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 10:00:04,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 10:00:04,409 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 10:00:04,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 10:00:04,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 10:00:04,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 10:00:04,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 10:00:04,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 10:00:04,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 10:00:04,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 10:00:04,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 10:00:04,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 10:00:04,413 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 10:00:04,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 10:00:04,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 10:00:04,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 10:00:04,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 10:00:04,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 10:00:04,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 10:00:04,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 10:00:04,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 10:00:04,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:00:04,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 10:00:04,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 10:00:04,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 10:00:04,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 10:00:04,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 10:00:04,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 10:00:04,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 10:00:04,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 10:00:04,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 10:00:04,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a [2024-10-13 10:00:04,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 10:00:04,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 10:00:04,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 10:00:04,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 10:00:04,658 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 10:00:04,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-10-13 10:00:05,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 10:00:06,008 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 10:00:06,008 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-10-13 10:00:06,015 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11413585b/ede67cfbdc0c4753804b72b53b4d6669/FLAG1adc59256 [2024-10-13 10:00:06,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11413585b/ede67cfbdc0c4753804b72b53b4d6669 [2024-10-13 10:00:06,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 10:00:06,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 10:00:06,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 10:00:06,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 10:00:06,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 10:00:06,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30930a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06, skipping insertion in model container [2024-10-13 10:00:06,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 10:00:06,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:00:06,265 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 10:00:06,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:00:06,311 INFO L204 MainTranslator]: Completed translation [2024-10-13 10:00:06,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06 WrapperNode [2024-10-13 10:00:06,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 10:00:06,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 10:00:06,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 10:00:06,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 10:00:06,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,361 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 266 [2024-10-13 10:00:06,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 10:00:06,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 10:00:06,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 10:00:06,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 10:00:06,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 10:00:06,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 10:00:06,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 10:00:06,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 10:00:06,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (1/1) ... [2024-10-13 10:00:06,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:00:06,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 10:00:06,442 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) [2024-10-13 10:00:06,446 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 [2024-10-13 10:00:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 10:00:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 10:00:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 10:00:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 10:00:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 10:00:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 10:00:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 10:00:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 10:00:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 10:00:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 10:00:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 10:00:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 10:00:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 10:00:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 10:00:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 10:00:06,487 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 10:00:06,592 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 10:00:06,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 10:00:06,907 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 10:00:06,907 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 10:00:07,104 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 10:00:07,104 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-13 10:00:07,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:07 BoogieIcfgContainer [2024-10-13 10:00:07,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 10:00:07,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 10:00:07,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 10:00:07,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 10:00:07,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:00:06" (1/3) ... [2024-10-13 10:00:07,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f34d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:00:07, skipping insertion in model container [2024-10-13 10:00:07,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:06" (2/3) ... [2024-10-13 10:00:07,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f34d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:00:07, skipping insertion in model container [2024-10-13 10:00:07,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:07" (3/3) ... [2024-10-13 10:00:07,113 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2024-10-13 10:00:07,125 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 10:00:07,126 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-13 10:00:07,126 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 10:00:07,191 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-13 10:00:07,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 219 transitions, 459 flow [2024-10-13 10:00:07,280 INFO L124 PetriNetUnfolderBase]: 13/216 cut-off events. [2024-10-13 10:00:07,280 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 10:00:07,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 216 events. 13/216 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 252 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 170. Up to 2 conditions per place. [2024-10-13 10:00:07,286 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 219 transitions, 459 flow [2024-10-13 10:00:07,292 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 199 transitions, 416 flow [2024-10-13 10:00:07,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 10:00:07,306 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;@20189cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 10:00:07,306 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-10-13 10:00:07,311 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 10:00:07,312 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-13 10:00:07,312 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 10:00:07,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:07,313 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] [2024-10-13 10:00:07,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-13 10:00:07,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:07,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1197444582, now seen corresponding path program 1 times [2024-10-13 10:00:07,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:07,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737084221] [2024-10-13 10:00:07,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:07,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:07,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:07,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737084221] [2024-10-13 10:00:07,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737084221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:07,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:07,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:07,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245721283] [2024-10-13 10:00:07,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:07,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:07,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:07,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:07,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:07,548 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 219 [2024-10-13 10:00:07,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 199 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-10-13 10:00:07,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:07,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 219 [2024-10-13 10:00:07,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:07,673 INFO L124 PetriNetUnfolderBase]: 58/414 cut-off events. [2024-10-13 10:00:07,674 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-10-13 10:00:07,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 414 events. 58/414 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1642 event pairs, 38 based on Foata normal form. 27/383 useless extension candidates. Maximal degree in co-relation 272. Up to 92 conditions per place. [2024-10-13 10:00:07,679 INFO L140 encePairwiseOnDemand]: 197/219 looper letters, 16 selfloop transitions, 2 changer transitions 3/179 dead transitions. [2024-10-13 10:00:07,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 179 transitions, 412 flow [2024-10-13 10:00:07,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 572 transitions. [2024-10-13 10:00:07,713 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8706240487062404 [2024-10-13 10:00:07,717 INFO L175 Difference]: Start difference. First operand has 197 places, 199 transitions, 416 flow. Second operand 3 states and 572 transitions. [2024-10-13 10:00:07,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 179 transitions, 412 flow [2024-10-13 10:00:07,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 179 transitions, 400 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-13 10:00:07,724 INFO L231 Difference]: Finished difference. Result has 180 places, 176 transitions, 362 flow [2024-10-13 10:00:07,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=180, PETRI_TRANSITIONS=176} [2024-10-13 10:00:07,730 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -17 predicate places. [2024-10-13 10:00:07,730 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 176 transitions, 362 flow [2024-10-13 10:00:07,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-10-13 10:00:07,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:07,732 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:07,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 10:00:07,733 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-13 10:00:07,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:07,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2070360033, now seen corresponding path program 1 times [2024-10-13 10:00:07,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:07,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076939495] [2024-10-13 10:00:07,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:07,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:07,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:07,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076939495] [2024-10-13 10:00:07,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076939495] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:07,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:07,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:07,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212389254] [2024-10-13 10:00:07,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:07,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:07,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:07,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:07,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:07,795 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 219 [2024-10-13 10:00:07,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 176 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-10-13 10:00:07,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:07,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 219 [2024-10-13 10:00:07,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:07,871 INFO L124 PetriNetUnfolderBase]: 62/440 cut-off events. [2024-10-13 10:00:07,872 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-13 10:00:07,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 440 events. 62/440 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1681 event pairs, 34 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 526. Up to 100 conditions per place. [2024-10-13 10:00:07,877 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 16 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2024-10-13 10:00:07,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 175 transitions, 396 flow [2024-10-13 10:00:07,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2024-10-13 10:00:07,881 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8417047184170472 [2024-10-13 10:00:07,881 INFO L175 Difference]: Start difference. First operand has 180 places, 176 transitions, 362 flow. Second operand 3 states and 553 transitions. [2024-10-13 10:00:07,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 175 transitions, 396 flow [2024-10-13 10:00:07,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 175 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:07,885 INFO L231 Difference]: Finished difference. Result has 176 places, 175 transitions, 360 flow [2024-10-13 10:00:07,885 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=176, PETRI_TRANSITIONS=175} [2024-10-13 10:00:07,886 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -21 predicate places. [2024-10-13 10:00:07,886 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 175 transitions, 360 flow [2024-10-13 10:00:07,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-10-13 10:00:07,887 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:07,887 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] [2024-10-13 10:00:07,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 10:00:07,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-13 10:00:07,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:07,889 INFO L85 PathProgramCache]: Analyzing trace with hash 334671783, now seen corresponding path program 1 times [2024-10-13 10:00:07,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:07,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933926598] [2024-10-13 10:00:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:07,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:07,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:07,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933926598] [2024-10-13 10:00:07,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933926598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:07,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:07,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:07,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504136799] [2024-10-13 10:00:07,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:07,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:07,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:07,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:07,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:07,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 219 [2024-10-13 10:00:07,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 175 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2024-10-13 10:00:07,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:07,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 219 [2024-10-13 10:00:07,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:08,053 INFO L124 PetriNetUnfolderBase]: 108/532 cut-off events. [2024-10-13 10:00:08,054 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-13 10:00:08,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 715 conditions, 532 events. 108/532 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2424 event pairs, 59 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 677. Up to 164 conditions per place. [2024-10-13 10:00:08,059 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 17 selfloop transitions, 1 changer transitions 0/171 dead transitions. [2024-10-13 10:00:08,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 171 transitions, 388 flow [2024-10-13 10:00:08,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:08,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2024-10-13 10:00:08,061 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.837138508371385 [2024-10-13 10:00:08,061 INFO L175 Difference]: Start difference. First operand has 176 places, 175 transitions, 360 flow. Second operand 3 states and 550 transitions. [2024-10-13 10:00:08,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 171 transitions, 388 flow [2024-10-13 10:00:08,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 171 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:08,065 INFO L231 Difference]: Finished difference. Result has 172 places, 171 transitions, 350 flow [2024-10-13 10:00:08,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=172, PETRI_TRANSITIONS=171} [2024-10-13 10:00:08,065 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -25 predicate places. [2024-10-13 10:00:08,066 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 171 transitions, 350 flow [2024-10-13 10:00:08,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2024-10-13 10:00:08,066 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:08,066 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] [2024-10-13 10:00:08,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 10:00:08,067 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-13 10:00:08,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:08,067 INFO L85 PathProgramCache]: Analyzing trace with hash 828223402, now seen corresponding path program 1 times [2024-10-13 10:00:08,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:08,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247316935] [2024-10-13 10:00:08,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:08,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:08,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:08,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247316935] [2024-10-13 10:00:08,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247316935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:08,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:08,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 10:00:08,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585729841] [2024-10-13 10:00:08,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:08,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 10:00:08,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:08,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 10:00:08,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 10:00:08,575 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 219 [2024-10-13 10:00:08,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 171 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2024-10-13 10:00:08,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:08,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 219 [2024-10-13 10:00:08,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:08,632 INFO L124 PetriNetUnfolderBase]: 30/295 cut-off events. [2024-10-13 10:00:08,632 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-13 10:00:08,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 295 events. 30/295 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 833 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 326. Up to 53 conditions per place. [2024-10-13 10:00:08,635 INFO L140 encePairwiseOnDemand]: 213/219 looper letters, 17 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2024-10-13 10:00:08,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 170 transitions, 392 flow [2024-10-13 10:00:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 10:00:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 10:00:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1073 transitions. [2024-10-13 10:00:08,637 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8165905631659056 [2024-10-13 10:00:08,637 INFO L175 Difference]: Start difference. First operand has 172 places, 171 transitions, 350 flow. Second operand 6 states and 1073 transitions. [2024-10-13 10:00:08,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 170 transitions, 392 flow [2024-10-13 10:00:08,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 170 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:08,640 INFO L231 Difference]: Finished difference. Result has 175 places, 170 transitions, 357 flow [2024-10-13 10:00:08,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=357, PETRI_PLACES=175, PETRI_TRANSITIONS=170} [2024-10-13 10:00:08,641 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -22 predicate places. [2024-10-13 10:00:08,642 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 170 transitions, 357 flow [2024-10-13 10:00:08,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2024-10-13 10:00:08,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:08,643 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] [2024-10-13 10:00:08,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 10:00:08,643 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-13 10:00:08,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:08,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1458259493, now seen corresponding path program 1 times [2024-10-13 10:00:08,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:08,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240929345] [2024-10-13 10:00:08,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:08,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:08,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:08,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240929345] [2024-10-13 10:00:08,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240929345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:08,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:08,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:08,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385992879] [2024-10-13 10:00:08,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:08,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:08,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:08,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:08,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:08,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 219 [2024-10-13 10:00:08,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 170 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2024-10-13 10:00:08,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:08,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 219 [2024-10-13 10:00:08,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:08,729 INFO L124 PetriNetUnfolderBase]: 30/294 cut-off events. [2024-10-13 10:00:08,730 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-13 10:00:08,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 294 events. 30/294 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 829 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 341. Up to 48 conditions per place. [2024-10-13 10:00:08,731 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 12 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2024-10-13 10:00:08,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 383 flow [2024-10-13 10:00:08,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2024-10-13 10:00:08,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8538812785388128 [2024-10-13 10:00:08,735 INFO L175 Difference]: Start difference. First operand has 175 places, 170 transitions, 357 flow. Second operand 3 states and 561 transitions. [2024-10-13 10:00:08,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 383 flow [2024-10-13 10:00:08,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 373 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 10:00:08,737 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 349 flow [2024-10-13 10:00:08,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2024-10-13 10:00:08,738 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -26 predicate places. [2024-10-13 10:00:08,738 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 349 flow [2024-10-13 10:00:08,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2024-10-13 10:00:08,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:08,739 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] [2024-10-13 10:00:08,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 10:00:08,739 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-13 10:00:08,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:08,740 INFO L85 PathProgramCache]: Analyzing trace with hash 997344410, now seen corresponding path program 1 times [2024-10-13 10:00:08,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:08,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336404552] [2024-10-13 10:00:08,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:08,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:08,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:08,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336404552] [2024-10-13 10:00:08,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336404552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:08,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:08,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:08,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909810936] [2024-10-13 10:00:08,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:08,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:08,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:08,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:08,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:08,797 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 219 [2024-10-13 10:00:08,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2024-10-13 10:00:08,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:08,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 219 [2024-10-13 10:00:08,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:08,849 INFO L124 PetriNetUnfolderBase]: 101/488 cut-off events. [2024-10-13 10:00:08,850 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-13 10:00:08,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 488 events. 101/488 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2279 event pairs, 71 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 618. Up to 150 conditions per place. [2024-10-13 10:00:08,853 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 17 selfloop transitions, 1 changer transitions 0/165 dead transitions. [2024-10-13 10:00:08,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 377 flow [2024-10-13 10:00:08,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:08,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:08,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2024-10-13 10:00:08,855 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.837138508371385 [2024-10-13 10:00:08,855 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 349 flow. Second operand 3 states and 550 transitions. [2024-10-13 10:00:08,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 377 flow [2024-10-13 10:00:08,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:08,857 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 339 flow [2024-10-13 10:00:08,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2024-10-13 10:00:08,858 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2024-10-13 10:00:08,858 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 339 flow [2024-10-13 10:00:08,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2024-10-13 10:00:08,858 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:08,860 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] [2024-10-13 10:00:08,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 10:00:08,860 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-13 10:00:08,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:08,860 INFO L85 PathProgramCache]: Analyzing trace with hash -109685484, now seen corresponding path program 1 times [2024-10-13 10:00:08,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:08,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264917641] [2024-10-13 10:00:08,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:08,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:08,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:08,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264917641] [2024-10-13 10:00:08,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264917641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:08,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:08,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:08,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063244599] [2024-10-13 10:00:08,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:08,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:08,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:08,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:08,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:08,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 219 [2024-10-13 10:00:08,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2024-10-13 10:00:08,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:08,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 219 [2024-10-13 10:00:08,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:08,957 INFO L124 PetriNetUnfolderBase]: 30/282 cut-off events. [2024-10-13 10:00:08,957 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-13 10:00:08,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 282 events. 30/282 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 755 event pairs, 15 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 303. Up to 45 conditions per place. [2024-10-13 10:00:08,958 INFO L140 encePairwiseOnDemand]: 217/219 looper letters, 10 selfloop transitions, 1 changer transitions 0/164 dead transitions. [2024-10-13 10:00:08,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 359 flow [2024-10-13 10:00:08,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2024-10-13 10:00:08,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.867579908675799 [2024-10-13 10:00:08,960 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 339 flow. Second operand 3 states and 570 transitions. [2024-10-13 10:00:08,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 359 flow [2024-10-13 10:00:08,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:08,962 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 338 flow [2024-10-13 10:00:08,962 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2024-10-13 10:00:08,963 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2024-10-13 10:00:08,963 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 338 flow [2024-10-13 10:00:08,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2024-10-13 10:00:08,963 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:08,963 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] [2024-10-13 10:00:08,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 10:00:08,963 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-13 10:00:08,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:08,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1806025497, now seen corresponding path program 1 times [2024-10-13 10:00:08,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:08,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371002451] [2024-10-13 10:00:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:09,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:09,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371002451] [2024-10-13 10:00:09,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371002451] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:09,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:09,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:09,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966891828] [2024-10-13 10:00:09,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:09,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:09,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:09,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 219 [2024-10-13 10:00:09,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2024-10-13 10:00:09,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:09,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 219 [2024-10-13 10:00:09,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:09,050 INFO L124 PetriNetUnfolderBase]: 30/281 cut-off events. [2024-10-13 10:00:09,050 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-13 10:00:09,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 281 events. 30/281 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 755 event pairs, 15 based on Foata normal form. 1/268 useless extension candidates. Maximal degree in co-relation 331. Up to 45 conditions per place. [2024-10-13 10:00:09,051 INFO L140 encePairwiseOnDemand]: 217/219 looper letters, 0 selfloop transitions, 0 changer transitions 163/163 dead transitions. [2024-10-13 10:00:09,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 356 flow [2024-10-13 10:00:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2024-10-13 10:00:09,052 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8660578386605784 [2024-10-13 10:00:09,053 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 338 flow. Second operand 3 states and 569 transitions. [2024-10-13 10:00:09,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 356 flow [2024-10-13 10:00:09,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 163 transitions, 355 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:09,054 INFO L231 Difference]: Finished difference. Result has 167 places, 0 transitions, 0 flow [2024-10-13 10:00:09,054 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=167, PETRI_TRANSITIONS=0} [2024-10-13 10:00:09,055 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2024-10-13 10:00:09,056 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 0 transitions, 0 flow [2024-10-13 10:00:09,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2024-10-13 10:00:09,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2024-10-13 10:00:09,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2024-10-13 10:00:09,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2024-10-13 10:00:09,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2024-10-13 10:00:09,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2024-10-13 10:00:09,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2024-10-13 10:00:09,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2024-10-13 10:00:09,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2024-10-13 10:00:09,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2024-10-13 10:00:09,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 45 remaining) [2024-10-13 10:00:09,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 45 remaining) [2024-10-13 10:00:09,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2024-10-13 10:00:09,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2024-10-13 10:00:09,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2024-10-13 10:00:09,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2024-10-13 10:00:09,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2024-10-13 10:00:09,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2024-10-13 10:00:09,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2024-10-13 10:00:09,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 10:00:09,068 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:09,075 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 10:00:09,075 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 10:00:09,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:00:09 BasicIcfg [2024-10-13 10:00:09,086 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 10:00:09,087 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 10:00:09,087 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 10:00:09,087 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 10:00:09,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:07" (3/4) ... [2024-10-13 10:00:09,088 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 10:00:09,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 10:00:09,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 10:00:09,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-13 10:00:09,093 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-13 10:00:09,094 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 10:00:09,094 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 10:00:09,094 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 10:00:09,170 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 10:00:09,170 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 10:00:09,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 10:00:09,170 INFO L158 Benchmark]: Toolchain (without parser) took 3141.61ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 78.5MB in the beginning and 149.3MB in the end (delta: -70.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 10:00:09,171 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 10:00:09,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.25ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 112.7MB in the end (delta: -34.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-10-13 10:00:09,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.59ms. Allocated memory is still 146.8MB. Free memory was 112.7MB in the beginning and 110.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 10:00:09,171 INFO L158 Benchmark]: Boogie Preprocessor took 42.88ms. Allocated memory is still 146.8MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 10:00:09,171 INFO L158 Benchmark]: RCFGBuilder took 695.36ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 114.5MB in the end (delta: -7.1MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2024-10-13 10:00:09,171 INFO L158 Benchmark]: TraceAbstraction took 1978.63ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 114.0MB in the beginning and 154.6MB in the end (delta: -40.6MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2024-10-13 10:00:09,171 INFO L158 Benchmark]: Witness Printer took 83.43ms. Allocated memory is still 209.7MB. Free memory was 154.6MB in the beginning and 149.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 10:00:09,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.25ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 112.7MB in the end (delta: -34.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.59ms. Allocated memory is still 146.8MB. Free memory was 112.7MB in the beginning and 110.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.88ms. Allocated memory is still 146.8MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 695.36ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 114.5MB in the end (delta: -7.1MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1978.63ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 114.0MB in the beginning and 154.6MB in the end (delta: -40.6MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. * Witness Printer took 83.43ms. Allocated memory is still 209.7MB. Free memory was 154.6MB in the beginning and 149.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 94]: 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, 267 locations, 45 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: 1.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 15 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 10:00:09,203 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