./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:59:28,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:59:28,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 16:59:28,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:59:28,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:59:28,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:59:28,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:59:28,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:59:28,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:59:28,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:59:28,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:59:28,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:59:28,451 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:59:28,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:59:28,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:59:28,452 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 16:59:28,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:59:28,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 16:59:28,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:59:28,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:59:28,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:59:28,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:59:28,458 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 16:59:28,458 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:59:28,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 16:59:28,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 16:59:28,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:59:28,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:59:28,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:59:28,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:59:28,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:59:28,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:59:28,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:59:28,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:59:28,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:59:28,461 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:59:28,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:59:28,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:59:28,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:59:28,462 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:59:28,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:59:28,463 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e [2024-10-11 16:59:28,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:59:28,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:59:28,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:59:28,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:59:28,760 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:59:28,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.i [2024-10-11 16:59:30,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:59:30,473 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:59:30,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.i [2024-10-11 16:59:30,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/594fb526c/27c6be8485b24fb4bf9fb5c2f5fc7f34/FLAGba6242419 [2024-10-11 16:59:30,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/594fb526c/27c6be8485b24fb4bf9fb5c2f5fc7f34 [2024-10-11 16:59:30,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:59:30,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:59:30,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:59:30,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:59:30,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:59:30,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:59:30" (1/1) ... [2024-10-11 16:59:30,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d72bbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:30, skipping insertion in model container [2024-10-11 16:59:30,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:59:30" (1/1) ... [2024-10-11 16:59:30,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:59:31,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:59:31,205 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:59:31,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:59:31,317 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:59:31,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31 WrapperNode [2024-10-11 16:59:31,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:59:31,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:59:31,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:59:31,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:59:31,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,370 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 87 [2024-10-11 16:59:31,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:59:31,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:59:31,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:59:31,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:59:31,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:59:31,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:59:31,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:59:31,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:59:31,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (1/1) ... [2024-10-11 16:59:31,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:59:31,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:59:31,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 16:59:31,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 16:59:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 16:59:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:59:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 16:59:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 16:59:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 16:59:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 16:59:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-11 16:59:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-11 16:59:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 16:59:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 16:59:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:59:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:59:31,501 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 16:59:31,626 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:59:31,629 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:59:31,864 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 16:59:31,864 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:59:32,073 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:59:32,074 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 16:59:32,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:59:32 BoogieIcfgContainer [2024-10-11 16:59:32,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:59:32,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:59:32,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:59:32,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:59:32,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:59:30" (1/3) ... [2024-10-11 16:59:32,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6257877a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:59:32, skipping insertion in model container [2024-10-11 16:59:32,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:59:31" (2/3) ... [2024-10-11 16:59:32,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6257877a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:59:32, skipping insertion in model container [2024-10-11 16:59:32,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:59:32" (3/3) ... [2024-10-11 16:59:32,084 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_tso.i [2024-10-11 16:59:32,100 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:59:32,100 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-10-11 16:59:32,100 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 16:59:32,154 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 16:59:32,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 113 transitions, 238 flow [2024-10-11 16:59:32,250 INFO L124 PetriNetUnfolderBase]: 3/110 cut-off events. [2024-10-11 16:59:32,251 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:59:32,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 110 events. 3/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 127 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-10-11 16:59:32,259 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 113 transitions, 238 flow [2024-10-11 16:59:32,263 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 110 transitions, 229 flow [2024-10-11 16:59:32,273 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:59:32,280 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;@5cc44ff3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:59:32,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-10-11 16:59:32,286 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 16:59:32,286 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-11 16:59:32,287 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:59:32,287 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:59:32,288 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:59:32,288 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-10-11 16:59:32,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:59:32,293 INFO L85 PathProgramCache]: Analyzing trace with hash -551214434, now seen corresponding path program 1 times [2024-10-11 16:59:32,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:59:32,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102504718] [2024-10-11 16:59:32,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:59:32,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:59:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:59:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:59:32,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:59:32,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102504718] [2024-10-11 16:59:32,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102504718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:59:32,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:59:32,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 16:59:32,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329628509] [2024-10-11 16:59:32,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:59:32,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 16:59:32,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:59:32,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 16:59:32,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 16:59:32,537 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 113 [2024-10-11 16:59:32,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 110 transitions, 229 flow. Second operand has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:59:32,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:59:32,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 113 [2024-10-11 16:59:32,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:59:32,810 INFO L124 PetriNetUnfolderBase]: 396/896 cut-off events. [2024-10-11 16:59:32,810 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-11 16:59:32,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1551 conditions, 896 events. 396/896 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5530 event pairs, 396 based on Foata normal form. 99/931 useless extension candidates. Maximal degree in co-relation 1523. Up to 609 conditions per place. [2024-10-11 16:59:32,824 INFO L140 encePairwiseOnDemand]: 91/113 looper letters, 14 selfloop transitions, 0 changer transitions 0/86 dead transitions. [2024-10-11 16:59:32,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 86 transitions, 209 flow [2024-10-11 16:59:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 16:59:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-11 16:59:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 188 transitions. [2024-10-11 16:59:32,838 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.831858407079646 [2024-10-11 16:59:32,840 INFO L175 Difference]: Start difference. First operand has 117 places, 110 transitions, 229 flow. Second operand 2 states and 188 transitions. [2024-10-11 16:59:32,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 86 transitions, 209 flow [2024-10-11 16:59:32,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 86 transitions, 206 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 16:59:32,846 INFO L231 Difference]: Finished difference. Result has 94 places, 86 transitions, 178 flow [2024-10-11 16:59:32,850 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=178, PETRI_PLACES=94, PETRI_TRANSITIONS=86} [2024-10-11 16:59:32,853 INFO L277 CegarLoopForPetriNet]: 117 programPoint places, -23 predicate places. [2024-10-11 16:59:32,854 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 86 transitions, 178 flow [2024-10-11 16:59:32,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:59:32,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:59:32,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:59:32,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:59:32,856 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-10-11 16:59:32,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:59:32,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1486381690, now seen corresponding path program 1 times [2024-10-11 16:59:32,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:59:32,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379448195] [2024-10-11 16:59:32,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:59:32,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:59:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:59:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:59:32,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:59:32,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379448195] [2024-10-11 16:59:32,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379448195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:59:32,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:59:32,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:59:32,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500765403] [2024-10-11 16:59:32,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:59:32,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:59:32,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:59:32,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:59:32,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:59:32,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 113 [2024-10-11 16:59:32,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 86 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:59:32,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:59:32,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 113 [2024-10-11 16:59:32,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:59:33,359 INFO L124 PetriNetUnfolderBase]: 684/2758 cut-off events. [2024-10-11 16:59:33,359 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:59:33,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3827 conditions, 2758 events. 684/2758 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 24904 event pairs, 252 based on Foata normal form. 0/2550 useless extension candidates. Maximal degree in co-relation 3824. Up to 624 conditions per place. [2024-10-11 16:59:33,378 INFO L140 encePairwiseOnDemand]: 111/113 looper letters, 24 selfloop transitions, 1 changer transitions 0/94 dead transitions. [2024-10-11 16:59:33,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 94 transitions, 244 flow [2024-10-11 16:59:33,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:59:33,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:59:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2024-10-11 16:59:33,384 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7227138643067846 [2024-10-11 16:59:33,385 INFO L175 Difference]: Start difference. First operand has 94 places, 86 transitions, 178 flow. Second operand 3 states and 245 transitions. [2024-10-11 16:59:33,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 94 transitions, 244 flow [2024-10-11 16:59:33,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 94 transitions, 244 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 16:59:33,388 INFO L231 Difference]: Finished difference. Result has 95 places, 85 transitions, 178 flow [2024-10-11 16:59:33,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=95, PETRI_TRANSITIONS=85} [2024-10-11 16:59:33,389 INFO L277 CegarLoopForPetriNet]: 117 programPoint places, -22 predicate places. [2024-10-11 16:59:33,389 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 85 transitions, 178 flow [2024-10-11 16:59:33,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:59:33,389 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:59:33,390 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:59:33,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 16:59:33,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-10-11 16:59:33,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:59:33,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1878123908, now seen corresponding path program 1 times [2024-10-11 16:59:33,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:59:33,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522675267] [2024-10-11 16:59:33,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:59:33,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:59:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:59:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:59:33,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:59:33,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522675267] [2024-10-11 16:59:33,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522675267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:59:33,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:59:33,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:59:33,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337709136] [2024-10-11 16:59:33,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:59:33,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:59:33,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:59:33,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:59:33,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:59:33,483 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 113 [2024-10-11 16:59:33,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 85 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:59:33,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:59:33,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 113 [2024-10-11 16:59:33,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:59:33,713 INFO L124 PetriNetUnfolderBase]: 684/2127 cut-off events. [2024-10-11 16:59:33,714 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:59:33,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3198 conditions, 2127 events. 684/2127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 17325 event pairs, 396 based on Foata normal form. 0/2002 useless extension candidates. Maximal degree in co-relation 3194. Up to 609 conditions per place. [2024-10-11 16:59:33,724 INFO L140 encePairwiseOnDemand]: 111/113 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2024-10-11 16:59:33,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 93 transitions, 244 flow [2024-10-11 16:59:33,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:59:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:59:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2024-10-11 16:59:33,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7227138643067846 [2024-10-11 16:59:33,727 INFO L175 Difference]: Start difference. First operand has 95 places, 85 transitions, 178 flow. Second operand 3 states and 245 transitions. [2024-10-11 16:59:33,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 93 transitions, 244 flow [2024-10-11 16:59:33,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 93 transitions, 243 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 16:59:33,729 INFO L231 Difference]: Finished difference. Result has 95 places, 0 transitions, 0 flow [2024-10-11 16:59:33,730 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=95, PETRI_TRANSITIONS=0} [2024-10-11 16:59:33,730 INFO L277 CegarLoopForPetriNet]: 117 programPoint places, -22 predicate places. [2024-10-11 16:59:33,730 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 0 transitions, 0 flow [2024-10-11 16:59:33,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:59:33,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2024-10-11 16:59:33,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-10-11 16:59:33,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-10-11 16:59:33,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-10-11 16:59:33,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-10-11 16:59:33,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-10-11 16:59:33,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-10-11 16:59:33,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-10-11 16:59:33,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-10-11 16:59:33,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-10-11 16:59:33,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-10-11 16:59:33,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-10-11 16:59:33,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-10-11 16:59:33,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-10-11 16:59:33,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-10-11 16:59:33,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-10-11 16:59:33,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-10-11 16:59:33,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-10-11 16:59:33,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-10-11 16:59:33,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-10-11 16:59:33,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-10-11 16:59:33,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2024-10-11 16:59:33,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2024-10-11 16:59:33,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2024-10-11 16:59:33,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-10-11 16:59:33,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-10-11 16:59:33,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-10-11 16:59:33,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-10-11 16:59:33,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-10-11 16:59:33,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-10-11 16:59:33,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-10-11 16:59:33,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-10-11 16:59:33,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-10-11 16:59:33,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-10-11 16:59:33,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-10-11 16:59:33,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-10-11 16:59:33,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-10-11 16:59:33,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 16:59:33,746 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 16:59:33,753 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 16:59:33,753 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 16:59:33,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:59:33 BasicIcfg [2024-10-11 16:59:33,763 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 16:59:33,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 16:59:33,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 16:59:33,764 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 16:59:33,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:59:32" (3/4) ... [2024-10-11 16:59:33,765 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 16:59:33,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-11 16:59:33,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-11 16:59:33,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-11 16:59:33,777 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-11 16:59:33,777 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 16:59:33,778 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 16:59:33,778 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 16:59:33,863 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 16:59:33,864 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 16:59:33,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 16:59:33,866 INFO L158 Benchmark]: Toolchain (without parser) took 3100.75ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 119.0MB in the beginning and 79.5MB in the end (delta: 39.5MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-10-11 16:59:33,866 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 77.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:59:33,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.36ms. Allocated memory is still 151.0MB. Free memory was 118.0MB in the beginning and 96.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 16:59:33,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.60ms. Allocated memory is still 151.0MB. Free memory was 96.2MB in the beginning and 94.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:59:33,867 INFO L158 Benchmark]: Boogie Preprocessor took 44.61ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 92.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:59:33,867 INFO L158 Benchmark]: RCFGBuilder took 657.13ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 109.0MB in the end (delta: -17.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 16:59:33,868 INFO L158 Benchmark]: TraceAbstraction took 1686.16ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 108.0MB in the beginning and 83.7MB in the end (delta: 24.3MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2024-10-11 16:59:33,868 INFO L158 Benchmark]: Witness Printer took 101.64ms. Allocated memory is still 188.7MB. Free memory was 83.7MB in the beginning and 79.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 16:59:33,870 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 104.9MB. Free memory was 77.7MB in the beginning and 77.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.36ms. Allocated memory is still 151.0MB. Free memory was 118.0MB in the beginning and 96.2MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.60ms. Allocated memory is still 151.0MB. Free memory was 96.2MB in the beginning and 94.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.61ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 92.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.13ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 109.0MB in the end (delta: -17.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1686.16ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 108.0MB in the beginning and 83.7MB in the end (delta: 24.3MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. * Witness Printer took 101.64ms. Allocated memory is still 188.7MB. Free memory was 83.7MB in the beginning and 79.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 151 locations, 37 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 16:59:33,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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