./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:23:59,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:23:59,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:23:59,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:23:59,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:23:59,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:23:59,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:23:59,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:23:59,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:23:59,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:23:59,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:23:59,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:23:59,502 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:23:59,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:23:59,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:23:59,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:23:59,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:23:59,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:23:59,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:23:59,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:23:59,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:23:59,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:23:59,510 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:23:59,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:23:59,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:23:59,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:23:59,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:23:59,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:23:59,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:23:59,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:23:59,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:23:59,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:23:59,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:23:59,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:23:59,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:23:59,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:23:59,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:23:59,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:23:59,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:23:59,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:23:59,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:23:59,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-11-12 12:23:59,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:23:59,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:23:59,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:23:59,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:23:59,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:23:59,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-12 12:24:01,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:24:01,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:24:01,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-12 12:24:01,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e399806d9/c0a1205884e548f6b51358078541e410/FLAG7fa26b522 [2024-11-12 12:24:01,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e399806d9/c0a1205884e548f6b51358078541e410 [2024-11-12 12:24:01,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:24:01,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:24:01,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:24:01,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:24:01,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:24:01,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:24:01" (1/1) ... [2024-11-12 12:24:01,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f4ffc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:01, skipping insertion in model container [2024-11-12 12:24:01,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:24:01" (1/1) ... [2024-11-12 12:24:01,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:24:02,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:24:02,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:24:02,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:24:02,393 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:24:02,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02 WrapperNode [2024-11-12 12:24:02,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:24:02,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:24:02,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:24:02,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:24:02,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,457 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 238 [2024-11-12 12:24:02,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:24:02,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:24:02,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:24:02,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:24:02,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:24:02,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:24:02,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:24:02,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:24:02,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (1/1) ... [2024-11-12 12:24:02,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:24:02,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:24:02,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:24:02,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:24:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-12 12:24:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-12 12:24:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:24:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 12:24:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 12:24:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:24:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:24:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:24:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:24:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:24:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:24:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:24:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:24:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:24:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:24:02,629 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:24:02,900 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:24:02,902 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:24:03,363 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:24:03,364 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:24:03,501 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:24:03,501 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 12:24:03,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:24:03 BoogieIcfgContainer [2024-11-12 12:24:03,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:24:03,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:24:03,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:24:03,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:24:03,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:24:01" (1/3) ... [2024-11-12 12:24:03,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51bbe3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:24:03, skipping insertion in model container [2024-11-12 12:24:03,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:24:02" (2/3) ... [2024-11-12 12:24:03,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51bbe3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:24:03, skipping insertion in model container [2024-11-12 12:24:03,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:24:03" (3/3) ... [2024-11-12 12:24:03,512 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-11-12 12:24:03,527 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:24:03,528 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-12 12:24:03,529 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:24:03,610 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:24:03,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 267 transitions, 548 flow [2024-11-12 12:24:03,795 INFO L124 PetriNetUnfolderBase]: 14/351 cut-off events. [2024-11-12 12:24:03,796 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:24:03,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 351 events. 14/351 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 699 event pairs, 0 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 177. Up to 4 conditions per place. [2024-11-12 12:24:03,807 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 267 transitions, 548 flow [2024-11-12 12:24:03,813 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 264 transitions, 540 flow [2024-11-12 12:24:03,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:24:03,827 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;@6b22755, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:24:03,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-12 12:24:03,833 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:24:03,834 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-12 12:24:03,835 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:24:03,835 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:03,836 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:03,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:03,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:03,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1049401017, now seen corresponding path program 1 times [2024-11-12 12:24:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:03,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871653092] [2024-11-12 12:24:03,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:24:04,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:04,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871653092] [2024-11-12 12:24:04,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871653092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:04,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:04,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:04,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040488450] [2024-11-12 12:24:04,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:04,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:04,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:04,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:04,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:05,295 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-11-12 12:24:05,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 264 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:05,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:05,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-11-12 12:24:05,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:06,038 INFO L124 PetriNetUnfolderBase]: 1076/3564 cut-off events. [2024-11-12 12:24:06,038 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-12 12:24:06,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5383 conditions, 3564 events. 1076/3564 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 28505 event pairs, 1075 based on Foata normal form. 140/3493 useless extension candidates. Maximal degree in co-relation 5118. Up to 1790 conditions per place. [2024-11-12 12:24:06,064 INFO L140 encePairwiseOnDemand]: 243/267 looper letters, 47 selfloop transitions, 5 changer transitions 6/233 dead transitions. [2024-11-12 12:24:06,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 233 transitions, 582 flow [2024-11-12 12:24:06,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-11-12 12:24:06,084 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7634207240948814 [2024-11-12 12:24:06,086 INFO L175 Difference]: Start difference. First operand has 261 places, 264 transitions, 540 flow. Second operand 6 states and 1223 transitions. [2024-11-12 12:24:06,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 233 transitions, 582 flow [2024-11-12 12:24:06,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 233 transitions, 574 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 12:24:06,096 INFO L231 Difference]: Finished difference. Result has 239 places, 227 transitions, 468 flow [2024-11-12 12:24:06,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=239, PETRI_TRANSITIONS=227} [2024-11-12 12:24:06,102 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -22 predicate places. [2024-11-12 12:24:06,102 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 227 transitions, 468 flow [2024-11-12 12:24:06,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:06,103 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:06,103 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:06,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:24:06,104 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:06,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1880102555, now seen corresponding path program 1 times [2024-11-12 12:24:06,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:06,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811432213] [2024-11-12 12:24:06,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:24:06,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:06,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811432213] [2024-11-12 12:24:06,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811432213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:06,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:06,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:06,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408908620] [2024-11-12 12:24:06,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:06,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:06,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:06,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:06,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:06,768 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-11-12 12:24:06,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 227 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:06,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:06,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-11-12 12:24:06,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:07,268 INFO L124 PetriNetUnfolderBase]: 1076/3557 cut-off events. [2024-11-12 12:24:07,269 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:24:07,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5366 conditions, 3557 events. 1076/3557 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 28572 event pairs, 1075 based on Foata normal form. 0/3349 useless extension candidates. Maximal degree in co-relation 5323. Up to 1790 conditions per place. [2024-11-12 12:24:07,288 INFO L140 encePairwiseOnDemand]: 261/267 looper letters, 47 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2024-11-12 12:24:07,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 226 transitions, 570 flow [2024-11-12 12:24:07,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1205 transitions. [2024-11-12 12:24:07,292 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7521847690387016 [2024-11-12 12:24:07,292 INFO L175 Difference]: Start difference. First operand has 239 places, 227 transitions, 468 flow. Second operand 6 states and 1205 transitions. [2024-11-12 12:24:07,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 226 transitions, 570 flow [2024-11-12 12:24:07,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 226 transitions, 560 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:24:07,296 INFO L231 Difference]: Finished difference. Result has 232 places, 226 transitions, 466 flow [2024-11-12 12:24:07,297 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=466, PETRI_PLACES=232, PETRI_TRANSITIONS=226} [2024-11-12 12:24:07,297 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -29 predicate places. [2024-11-12 12:24:07,298 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 226 transitions, 466 flow [2024-11-12 12:24:07,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:07,299 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:07,299 INFO L206 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] [2024-11-12 12:24:07,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:24:07,299 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:07,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:07,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1082568348, now seen corresponding path program 1 times [2024-11-12 12:24:07,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:07,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423070705] [2024-11-12 12:24:07,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:07,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:24:07,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:07,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423070705] [2024-11-12 12:24:07,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423070705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:07,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:07,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:24:07,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976505846] [2024-11-12 12:24:07,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:07,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:24:07,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:07,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:24:07,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:24:07,379 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-11-12 12:24:07,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 226 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:07,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:07,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-11-12 12:24:07,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:07,506 INFO L124 PetriNetUnfolderBase]: 181/873 cut-off events. [2024-11-12 12:24:07,506 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:24:07,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1225 conditions, 873 events. 181/873 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4920 event pairs, 175 based on Foata normal form. 0/823 useless extension candidates. Maximal degree in co-relation 1175. Up to 330 conditions per place. [2024-11-12 12:24:07,514 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 28 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2024-11-12 12:24:07,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 230 transitions, 534 flow [2024-11-12 12:24:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:24:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:24:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2024-11-12 12:24:07,517 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8589263420724095 [2024-11-12 12:24:07,517 INFO L175 Difference]: Start difference. First operand has 232 places, 226 transitions, 466 flow. Second operand 3 states and 688 transitions. [2024-11-12 12:24:07,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 230 transitions, 534 flow [2024-11-12 12:24:07,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 230 transitions, 524 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:24:07,522 INFO L231 Difference]: Finished difference. Result has 228 places, 225 transitions, 458 flow [2024-11-12 12:24:07,522 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=228, PETRI_TRANSITIONS=225} [2024-11-12 12:24:07,523 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -33 predicate places. [2024-11-12 12:24:07,523 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 225 transitions, 458 flow [2024-11-12 12:24:07,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:07,524 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:07,524 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:07,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:24:07,525 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:07,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:07,525 INFO L85 PathProgramCache]: Analyzing trace with hash -95653114, now seen corresponding path program 1 times [2024-11-12 12:24:07,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:07,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085640554] [2024-11-12 12:24:07,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:07,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:24:07,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:07,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085640554] [2024-11-12 12:24:07,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085640554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:07,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:07,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:24:07,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112984529] [2024-11-12 12:24:07,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:07,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:24:07,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:07,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:24:07,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:24:07,602 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-11-12 12:24:07,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 225 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:07,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:07,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-11-12 12:24:07,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:07,733 INFO L124 PetriNetUnfolderBase]: 175/712 cut-off events. [2024-11-12 12:24:07,734 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:24:07,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 712 events. 175/712 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3173 event pairs, 30 based on Foata normal form. 0/671 useless extension candidates. Maximal degree in co-relation 905. Up to 250 conditions per place. [2024-11-12 12:24:07,738 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 30 selfloop transitions, 1 changer transitions 0/234 dead transitions. [2024-11-12 12:24:07,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 234 transitions, 538 flow [2024-11-12 12:24:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:24:07,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:24:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-12 12:24:07,740 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8751560549313359 [2024-11-12 12:24:07,741 INFO L175 Difference]: Start difference. First operand has 228 places, 225 transitions, 458 flow. Second operand 3 states and 701 transitions. [2024-11-12 12:24:07,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 234 transitions, 538 flow [2024-11-12 12:24:07,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 234 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:24:07,744 INFO L231 Difference]: Finished difference. Result has 227 places, 224 transitions, 454 flow [2024-11-12 12:24:07,745 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=227, PETRI_TRANSITIONS=224} [2024-11-12 12:24:07,746 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -34 predicate places. [2024-11-12 12:24:07,746 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 224 transitions, 454 flow [2024-11-12 12:24:07,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:07,746 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:07,747 INFO L206 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] [2024-11-12 12:24:07,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:24:07,747 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:07,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:07,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1385087557, now seen corresponding path program 1 times [2024-11-12 12:24:07,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:07,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026770660] [2024-11-12 12:24:07,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:07,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:07,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:07,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026770660] [2024-11-12 12:24:07,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026770660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:07,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:07,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:24:07,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420903942] [2024-11-12 12:24:07,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:07,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:24:07,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:07,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:24:07,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:24:07,842 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-11-12 12:24:07,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 224 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:07,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:07,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-11-12 12:24:07,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:08,045 INFO L124 PetriNetUnfolderBase]: 195/2115 cut-off events. [2024-11-12 12:24:08,045 INFO L125 PetriNetUnfolderBase]: For 7/25 co-relation queries the response was YES. [2024-11-12 12:24:08,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2510 conditions, 2115 events. 195/2115 cut-off events. For 7/25 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 15722 event pairs, 65 based on Foata normal form. 0/1946 useless extension candidates. Maximal degree in co-relation 2197. Up to 279 conditions per place. [2024-11-12 12:24:08,055 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 33 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2024-11-12 12:24:08,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 233 transitions, 542 flow [2024-11-12 12:24:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:24:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:24:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2024-11-12 12:24:08,057 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8651685393258427 [2024-11-12 12:24:08,057 INFO L175 Difference]: Start difference. First operand has 227 places, 224 transitions, 454 flow. Second operand 3 states and 693 transitions. [2024-11-12 12:24:08,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 233 transitions, 542 flow [2024-11-12 12:24:08,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 233 transitions, 541 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:24:08,061 INFO L231 Difference]: Finished difference. Result has 227 places, 223 transitions, 455 flow [2024-11-12 12:24:08,061 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=455, PETRI_PLACES=227, PETRI_TRANSITIONS=223} [2024-11-12 12:24:08,062 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -34 predicate places. [2024-11-12 12:24:08,062 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 223 transitions, 455 flow [2024-11-12 12:24:08,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:08,063 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:08,063 INFO L206 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] [2024-11-12 12:24:08,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:24:08,063 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:08,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:08,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2017665094, now seen corresponding path program 1 times [2024-11-12 12:24:08,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:08,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098399832] [2024-11-12 12:24:08,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:08,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:08,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098399832] [2024-11-12 12:24:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098399832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:08,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:08,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:08,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43544166] [2024-11-12 12:24:08,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:08,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:08,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:08,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:08,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:08,806 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-11-12 12:24:08,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 223 transitions, 455 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:08,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:08,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-11-12 12:24:08,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:09,318 INFO L124 PetriNetUnfolderBase]: 1267/3824 cut-off events. [2024-11-12 12:24:09,319 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:24:09,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5955 conditions, 3824 events. 1267/3824 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 29195 event pairs, 807 based on Foata normal form. 0/3650 useless extension candidates. Maximal degree in co-relation 5750. Up to 1776 conditions per place. [2024-11-12 12:24:09,333 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 61 selfloop transitions, 30 changer transitions 7/268 dead transitions. [2024-11-12 12:24:09,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 268 transitions, 733 flow [2024-11-12 12:24:09,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-11-12 12:24:09,337 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-11-12 12:24:09,337 INFO L175 Difference]: Start difference. First operand has 227 places, 223 transitions, 455 flow. Second operand 6 states and 1271 transitions. [2024-11-12 12:24:09,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 268 transitions, 733 flow [2024-11-12 12:24:09,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 268 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:24:09,342 INFO L231 Difference]: Finished difference. Result has 235 places, 245 transitions, 639 flow [2024-11-12 12:24:09,342 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=235, PETRI_TRANSITIONS=245} [2024-11-12 12:24:09,343 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -26 predicate places. [2024-11-12 12:24:09,344 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 245 transitions, 639 flow [2024-11-12 12:24:09,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:09,345 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:09,345 INFO L206 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] [2024-11-12 12:24:09,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:24:09,345 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:09,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:09,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1875844679, now seen corresponding path program 1 times [2024-11-12 12:24:09,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:09,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897543337] [2024-11-12 12:24:09,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:09,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:09,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:09,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897543337] [2024-11-12 12:24:09,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897543337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:09,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:09,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:09,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865983276] [2024-11-12 12:24:09,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:09,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:09,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:09,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:09,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:10,123 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-11-12 12:24:10,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 245 transitions, 639 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:10,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:10,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-11-12 12:24:10,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:10,985 INFO L124 PetriNetUnfolderBase]: 1489/3708 cut-off events. [2024-11-12 12:24:10,986 INFO L125 PetriNetUnfolderBase]: For 1040/1084 co-relation queries the response was YES. [2024-11-12 12:24:10,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7662 conditions, 3708 events. 1489/3708 cut-off events. For 1040/1084 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 27105 event pairs, 793 based on Foata normal form. 0/3535 useless extension candidates. Maximal degree in co-relation 5134. Up to 1978 conditions per place. [2024-11-12 12:24:11,001 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 84 selfloop transitions, 30 changer transitions 11/290 dead transitions. [2024-11-12 12:24:11,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 290 transitions, 1007 flow [2024-11-12 12:24:11,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1268 transitions. [2024-11-12 12:24:11,004 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7915106117353309 [2024-11-12 12:24:11,004 INFO L175 Difference]: Start difference. First operand has 235 places, 245 transitions, 639 flow. Second operand 6 states and 1268 transitions. [2024-11-12 12:24:11,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 290 transitions, 1007 flow [2024-11-12 12:24:11,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 290 transitions, 1007 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:24:11,013 INFO L231 Difference]: Finished difference. Result has 238 places, 263 transitions, 867 flow [2024-11-12 12:24:11,014 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=867, PETRI_PLACES=238, PETRI_TRANSITIONS=263} [2024-11-12 12:24:11,014 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -23 predicate places. [2024-11-12 12:24:11,015 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 263 transitions, 867 flow [2024-11-12 12:24:11,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:11,016 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:11,017 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:11,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:24:11,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:11,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:11,018 INFO L85 PathProgramCache]: Analyzing trace with hash 720598424, now seen corresponding path program 1 times [2024-11-12 12:24:11,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:11,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254378231] [2024-11-12 12:24:11,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:11,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:11,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:11,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254378231] [2024-11-12 12:24:11,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254378231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:11,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:11,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:11,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626059023] [2024-11-12 12:24:11,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:11,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:11,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:11,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:11,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:11,672 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-11-12 12:24:11,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 263 transitions, 867 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:11,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:11,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-11-12 12:24:11,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:12,373 INFO L124 PetriNetUnfolderBase]: 1656/4307 cut-off events. [2024-11-12 12:24:12,373 INFO L125 PetriNetUnfolderBase]: For 2810/2916 co-relation queries the response was YES. [2024-11-12 12:24:12,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10408 conditions, 4307 events. 1656/4307 cut-off events. For 2810/2916 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 33794 event pairs, 667 based on Foata normal form. 0/4180 useless extension candidates. Maximal degree in co-relation 6805. Up to 2129 conditions per place. [2024-11-12 12:24:12,394 INFO L140 encePairwiseOnDemand]: 251/267 looper letters, 115 selfloop transitions, 26 changer transitions 0/307 dead transitions. [2024-11-12 12:24:12,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 307 transitions, 1337 flow [2024-11-12 12:24:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1273 transitions. [2024-11-12 12:24:12,397 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7946317103620475 [2024-11-12 12:24:12,397 INFO L175 Difference]: Start difference. First operand has 238 places, 263 transitions, 867 flow. Second operand 6 states and 1273 transitions. [2024-11-12 12:24:12,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 307 transitions, 1337 flow [2024-11-12 12:24:12,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 307 transitions, 1289 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-11-12 12:24:12,406 INFO L231 Difference]: Finished difference. Result has 236 places, 283 transitions, 1051 flow [2024-11-12 12:24:12,406 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1051, PETRI_PLACES=236, PETRI_TRANSITIONS=283} [2024-11-12 12:24:12,407 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-11-12 12:24:12,408 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 283 transitions, 1051 flow [2024-11-12 12:24:12,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:12,409 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:12,409 INFO L206 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] [2024-11-12 12:24:12,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:24:12,409 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:12,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:12,410 INFO L85 PathProgramCache]: Analyzing trace with hash -465823305, now seen corresponding path program 1 times [2024-11-12 12:24:12,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:12,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151912251] [2024-11-12 12:24:12,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:12,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:12,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:12,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151912251] [2024-11-12 12:24:12,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151912251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:12,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:12,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:12,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119780195] [2024-11-12 12:24:12,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:12,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:24:12,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:12,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:24:12,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:24:12,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-11-12 12:24:12,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 283 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:12,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:12,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-11-12 12:24:12,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:13,591 INFO L124 PetriNetUnfolderBase]: 2004/4646 cut-off events. [2024-11-12 12:24:13,591 INFO L125 PetriNetUnfolderBase]: For 5563/5819 co-relation queries the response was YES. [2024-11-12 12:24:13,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13033 conditions, 4646 events. 2004/4646 cut-off events. For 5563/5819 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 35046 event pairs, 767 based on Foata normal form. 70/4576 useless extension candidates. Maximal degree in co-relation 10165. Up to 2513 conditions per place. [2024-11-12 12:24:13,666 INFO L140 encePairwiseOnDemand]: 252/267 looper letters, 128 selfloop transitions, 36 changer transitions 37/342 dead transitions. [2024-11-12 12:24:13,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 342 transitions, 1771 flow [2024-11-12 12:24:13,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-11-12 12:24:13,669 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-11-12 12:24:13,669 INFO L175 Difference]: Start difference. First operand has 236 places, 283 transitions, 1051 flow. Second operand 6 states and 1271 transitions. [2024-11-12 12:24:13,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 342 transitions, 1771 flow [2024-11-12 12:24:13,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 342 transitions, 1771 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:24:13,676 INFO L231 Difference]: Finished difference. Result has 244 places, 281 transitions, 1383 flow [2024-11-12 12:24:13,677 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1383, PETRI_PLACES=244, PETRI_TRANSITIONS=281} [2024-11-12 12:24:13,677 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -17 predicate places. [2024-11-12 12:24:13,677 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 281 transitions, 1383 flow [2024-11-12 12:24:13,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:13,678 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:13,678 INFO L206 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] [2024-11-12 12:24:13,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:24:13,679 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:13,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:13,679 INFO L85 PathProgramCache]: Analyzing trace with hash 29633324, now seen corresponding path program 1 times [2024-11-12 12:24:13,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:13,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844689695] [2024-11-12 12:24:13,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:13,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:13,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:13,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844689695] [2024-11-12 12:24:13,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844689695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:13,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:13,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:24:13,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750739436] [2024-11-12 12:24:13,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:13,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 12:24:13,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:13,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 12:24:13,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 12:24:13,875 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 267 [2024-11-12 12:24:13,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 281 transitions, 1383 flow. Second operand has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:13,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:13,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 267 [2024-11-12 12:24:13,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:14,276 INFO L124 PetriNetUnfolderBase]: 355/1034 cut-off events. [2024-11-12 12:24:14,280 INFO L125 PetriNetUnfolderBase]: For 1349/1349 co-relation queries the response was YES. [2024-11-12 12:24:14,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2489 conditions, 1034 events. 355/1034 cut-off events. For 1349/1349 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6188 event pairs, 30 based on Foata normal form. 0/1027 useless extension candidates. Maximal degree in co-relation 2467. Up to 247 conditions per place. [2024-11-12 12:24:14,289 INFO L140 encePairwiseOnDemand]: 262/267 looper letters, 61 selfloop transitions, 4 changer transitions 0/164 dead transitions. [2024-11-12 12:24:14,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 164 transitions, 662 flow [2024-11-12 12:24:14,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:24:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:24:14,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1356 transitions. [2024-11-12 12:24:14,292 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.846441947565543 [2024-11-12 12:24:14,294 INFO L175 Difference]: Start difference. First operand has 244 places, 281 transitions, 1383 flow. Second operand 6 states and 1356 transitions. [2024-11-12 12:24:14,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 164 transitions, 662 flow [2024-11-12 12:24:14,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 164 transitions, 522 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-11-12 12:24:14,299 INFO L231 Difference]: Finished difference. Result has 150 places, 124 transitions, 272 flow [2024-11-12 12:24:14,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=272, PETRI_PLACES=150, PETRI_TRANSITIONS=124} [2024-11-12 12:24:14,304 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -111 predicate places. [2024-11-12 12:24:14,304 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 124 transitions, 272 flow [2024-11-12 12:24:14,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:14,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:24:14,306 INFO L206 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] [2024-11-12 12:24:14,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:24:14,306 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-12 12:24:14,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:24:14,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1999266458, now seen corresponding path program 1 times [2024-11-12 12:24:14,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:24:14,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334501126] [2024-11-12 12:24:14,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:24:14,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:24:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:24:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:24:14,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:24:14,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334501126] [2024-11-12 12:24:14,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334501126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:24:14,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:24:14,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:24:14,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480413685] [2024-11-12 12:24:14,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:24:14,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:24:14,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:24:14,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:24:14,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:24:14,449 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-11-12 12:24:14,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 124 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:14,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:24:14,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-11-12 12:24:14,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:24:14,545 INFO L124 PetriNetUnfolderBase]: 70/354 cut-off events. [2024-11-12 12:24:14,546 INFO L125 PetriNetUnfolderBase]: For 41/87 co-relation queries the response was YES. [2024-11-12 12:24:14,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 354 events. 70/354 cut-off events. For 41/87 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1372 event pairs, 60 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 599. Up to 139 conditions per place. [2024-11-12 12:24:14,550 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2024-11-12 12:24:14,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 128 transitions, 336 flow [2024-11-12 12:24:14,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:24:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:24:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2024-11-12 12:24:14,554 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.867665418227216 [2024-11-12 12:24:14,554 INFO L175 Difference]: Start difference. First operand has 150 places, 124 transitions, 272 flow. Second operand 3 states and 695 transitions. [2024-11-12 12:24:14,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 128 transitions, 336 flow [2024-11-12 12:24:14,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 128 transitions, 329 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 12:24:14,558 INFO L231 Difference]: Finished difference. Result has 147 places, 0 transitions, 0 flow [2024-11-12 12:24:14,558 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=147, PETRI_TRANSITIONS=0} [2024-11-12 12:24:14,560 INFO L279 CegarLoopForPetriNet]: 261 programPoint places, -114 predicate places. [2024-11-12 12:24:14,560 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 0 transitions, 0 flow [2024-11-12 12:24:14,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:24:14,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-11-12 12:24:14,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-12 12:24:14,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-12 12:24:14,567 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-12 12:24:14,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-12 12:24:14,570 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-12 12:24:14,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-12 12:24:14,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-12 12:24:14,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-12 12:24:14,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-12 12:24:14,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-12 12:24:14,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-12 12:24:14,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-12 12:24:14,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-12 12:24:14,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:24:14,575 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:24:14,583 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:24:14,586 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:24:14,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:24:14 BasicIcfg [2024-11-12 12:24:14,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:24:14,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:24:14,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:24:14,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:24:14,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:24:03" (3/4) ... [2024-11-12 12:24:14,598 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:24:14,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-12 12:24:14,612 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-12 12:24:14,613 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:24:14,613 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:24:14,613 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:24:14,750 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:24:14,751 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:24:14,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:24:14,752 INFO L158 Benchmark]: Toolchain (without parser) took 13045.66ms. Allocated memory was 222.3MB in the beginning and 585.1MB in the end (delta: 362.8MB). Free memory was 148.6MB in the beginning and 278.0MB in the end (delta: -129.4MB). Peak memory consumption was 235.1MB. Max. memory is 16.1GB. [2024-11-12 12:24:14,752 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:24:14,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.37ms. Allocated memory is still 222.3MB. Free memory was 148.4MB in the beginning and 175.5MB in the end (delta: -27.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-12 12:24:14,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.18ms. Allocated memory is still 222.3MB. Free memory was 175.5MB in the beginning and 171.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:24:14,753 INFO L158 Benchmark]: Boogie Preprocessor took 74.41ms. Allocated memory is still 222.3MB. Free memory was 171.3MB in the beginning and 167.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:24:14,753 INFO L158 Benchmark]: RCFGBuilder took 968.23ms. Allocated memory is still 222.3MB. Free memory was 167.1MB in the beginning and 113.7MB in the end (delta: 53.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-12 12:24:14,753 INFO L158 Benchmark]: TraceAbstraction took 11091.46ms. Allocated memory was 222.3MB in the beginning and 585.1MB in the end (delta: 362.8MB). Free memory was 112.6MB in the beginning and 283.2MB in the end (delta: -170.6MB). Peak memory consumption was 194.1MB. Max. memory is 16.1GB. [2024-11-12 12:24:14,753 INFO L158 Benchmark]: Witness Printer took 155.10ms. Allocated memory is still 585.1MB. Free memory was 283.2MB in the beginning and 278.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:24:14,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.37ms. Allocated memory is still 222.3MB. Free memory was 148.4MB in the beginning and 175.5MB in the end (delta: -27.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.18ms. Allocated memory is still 222.3MB. Free memory was 175.5MB in the beginning and 171.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.41ms. Allocated memory is still 222.3MB. Free memory was 171.3MB in the beginning and 167.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 968.23ms. Allocated memory is still 222.3MB. Free memory was 167.1MB in the beginning and 113.7MB in the end (delta: 53.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11091.46ms. Allocated memory was 222.3MB in the beginning and 585.1MB in the end (delta: 362.8MB). Free memory was 112.6MB in the beginning and 283.2MB in the end (delta: -170.6MB). Peak memory consumption was 194.1MB. Max. memory is 16.1GB. * Witness Printer took 155.10ms. Allocated memory is still 585.1MB. Free memory was 283.2MB in the beginning and 278.0MB 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: 3923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3973]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3941]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3950]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3952]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3974]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3975]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3969]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3976]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3907]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3913]: 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 4 procedures, 280 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1100 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 678 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 348 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2926 IncrementalHoareTripleChecker+Invalid, 3274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 348 mSolverCounterUnsat, 72 mSDtfsCounter, 2926 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1383occurred in iteration=9, InterpolantAutomatonStates: 54, 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, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 749 NumberOfCodeBlocks, 749 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 7/7 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:24:14,792 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