./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.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 f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:51:36,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:51:36,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:51:36,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:51:36,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:51:36,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:51:36,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:51:36,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:51:36,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:51:36,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:51:36,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:51:36,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:51:36,272 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:51:36,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:51:36,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:51:36,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:51:36,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:51:36,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:51:36,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:51:36,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:51:36,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:51:36,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:51:36,280 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:51:36,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:51:36,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:51:36,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:51:36,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:51:36,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:51:36,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:51:36,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:51:36,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:51:36,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:51:36,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:51:36,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:51:36,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:51:36,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:51:36,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:51:36,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:51:36,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:51:36,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:51:36,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:51:36,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa [2024-11-22 17:51:36,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:51:36,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:51:36,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:51:36,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:51:36,572 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:51:36,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2024-11-22 17:51:37,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:51:38,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:51:38,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2024-11-22 17:51:38,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d431794e6/54413729d7d849afbd75dd8447f7d853/FLAGceef1e4e3 [2024-11-22 17:51:38,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d431794e6/54413729d7d849afbd75dd8447f7d853 [2024-11-22 17:51:38,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:51:38,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:51:38,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:51:38,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:51:38,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:51:38,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0ca58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38, skipping insertion in model container [2024-11-22 17:51:38,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:51:38,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:51:38,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:51:38,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:51:38,819 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:51:38,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38 WrapperNode [2024-11-22 17:51:38,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:51:38,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:51:38,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:51:38,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:51:38,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,876 INFO L138 Inliner]: procedures = 165, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 119 [2024-11-22 17:51:38,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:51:38,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:51:38,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:51:38,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:51:38,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:51:38,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:51:38,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:51:38,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:51:38,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (1/1) ... [2024-11-22 17:51:38,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:51:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:51:38,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:51:38,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:51:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:51:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:51:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:51:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:51:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:51:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:51:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:51:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:51:39,008 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:51:39,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:51:39,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:51:39,371 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:51:39,371 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:51:39,411 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:51:39,411 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:51:39,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:39 BoogieIcfgContainer [2024-11-22 17:51:39,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:51:39,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:51:39,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:51:39,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:51:39,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:51:38" (1/3) ... [2024-11-22 17:51:39,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f74e6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:51:39, skipping insertion in model container [2024-11-22 17:51:39,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:51:38" (2/3) ... [2024-11-22 17:51:39,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f74e6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:51:39, skipping insertion in model container [2024-11-22 17:51:39,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:39" (3/3) ... [2024-11-22 17:51:39,422 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.i [2024-11-22 17:51:39,438 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:51:39,438 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-22 17:51:39,438 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:51:39,487 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-22 17:51:39,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 149 transitions, 305 flow [2024-11-22 17:51:39,580 INFO L124 PetriNetUnfolderBase]: 3/148 cut-off events. [2024-11-22 17:51:39,580 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:51:39,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 148 events. 3/148 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-11-22 17:51:39,589 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 149 transitions, 305 flow [2024-11-22 17:51:39,593 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 143 transitions, 289 flow [2024-11-22 17:51:39,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:51:39,607 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;@30ae92e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:51:39,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-22 17:51:39,626 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:51:39,627 INFO L124 PetriNetUnfolderBase]: 0/89 cut-off events. [2024-11-22 17:51:39,627 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:51:39,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:39,628 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:39,632 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:51:39,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:39,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1179075357, now seen corresponding path program 1 times [2024-11-22 17:51:39,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:39,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139277423] [2024-11-22 17:51:39,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:39,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:40,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:40,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139277423] [2024-11-22 17:51:40,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139277423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:40,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:40,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:40,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838476348] [2024-11-22 17:51:40,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:40,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:40,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:40,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:40,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:40,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2024-11-22 17:51:40,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 143 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:40,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:40,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2024-11-22 17:51:40,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:40,247 INFO L124 PetriNetUnfolderBase]: 46/370 cut-off events. [2024-11-22 17:51:40,249 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:51:40,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 370 events. 46/370 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1536 event pairs, 17 based on Foata normal form. 10/338 useless extension candidates. Maximal degree in co-relation 388. Up to 69 conditions per place. [2024-11-22 17:51:40,255 INFO L140 encePairwiseOnDemand]: 136/149 looper letters, 21 selfloop transitions, 8 changer transitions 1/152 dead transitions. [2024-11-22 17:51:40,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 152 transitions, 365 flow [2024-11-22 17:51:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2024-11-22 17:51:40,272 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373601789709173 [2024-11-22 17:51:40,275 INFO L175 Difference]: Start difference. First operand has 144 places, 143 transitions, 289 flow. Second operand 3 states and 419 transitions. [2024-11-22 17:51:40,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 152 transitions, 365 flow [2024-11-22 17:51:40,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 152 transitions, 364 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:51:40,283 INFO L231 Difference]: Finished difference. Result has 146 places, 146 transitions, 344 flow [2024-11-22 17:51:40,287 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=146, PETRI_TRANSITIONS=146} [2024-11-22 17:51:40,292 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, 2 predicate places. [2024-11-22 17:51:40,293 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 146 transitions, 344 flow [2024-11-22 17:51:40,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:40,293 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:40,294 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:40,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:51:40,295 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:51:40,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:40,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1798072817, now seen corresponding path program 1 times [2024-11-22 17:51:40,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:40,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573031692] [2024-11-22 17:51:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:40,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:40,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:40,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573031692] [2024-11-22 17:51:40,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573031692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:40,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:40,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:40,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461498418] [2024-11-22 17:51:40,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:40,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:40,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:40,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:40,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:40,484 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2024-11-22 17:51:40,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:40,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:40,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2024-11-22 17:51:40,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:40,579 INFO L124 PetriNetUnfolderBase]: 75/454 cut-off events. [2024-11-22 17:51:40,579 INFO L125 PetriNetUnfolderBase]: For 105/109 co-relation queries the response was YES. [2024-11-22 17:51:40,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 454 events. 75/454 cut-off events. For 105/109 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2175 event pairs, 34 based on Foata normal form. 1/409 useless extension candidates. Maximal degree in co-relation 642. Up to 131 conditions per place. [2024-11-22 17:51:40,583 INFO L140 encePairwiseOnDemand]: 143/149 looper letters, 23 selfloop transitions, 7 changer transitions 0/154 dead transitions. [2024-11-22 17:51:40,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 154 transitions, 430 flow [2024-11-22 17:51:40,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:40,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:40,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2024-11-22 17:51:40,586 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9149888143176734 [2024-11-22 17:51:40,586 INFO L175 Difference]: Start difference. First operand has 146 places, 146 transitions, 344 flow. Second operand 3 states and 409 transitions. [2024-11-22 17:51:40,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 154 transitions, 430 flow [2024-11-22 17:51:40,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 154 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:51:40,598 INFO L231 Difference]: Finished difference. Result has 147 places, 151 transitions, 384 flow [2024-11-22 17:51:40,598 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=147, PETRI_TRANSITIONS=151} [2024-11-22 17:51:40,599 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, 3 predicate places. [2024-11-22 17:51:40,601 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 151 transitions, 384 flow [2024-11-22 17:51:40,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:40,601 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:40,602 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:40,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:51:40,602 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:51:40,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:40,603 INFO L85 PathProgramCache]: Analyzing trace with hash -136286971, now seen corresponding path program 1 times [2024-11-22 17:51:40,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:40,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678901320] [2024-11-22 17:51:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:40,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:40,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:40,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678901320] [2024-11-22 17:51:40,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678901320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:40,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:40,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:51:40,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601003979] [2024-11-22 17:51:40,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:40,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:40,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:40,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:40,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:40,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 149 [2024-11-22 17:51:40,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 151 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:40,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:40,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 149 [2024-11-22 17:51:40,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:40,954 INFO L124 PetriNetUnfolderBase]: 7/242 cut-off events. [2024-11-22 17:51:40,955 INFO L125 PetriNetUnfolderBase]: For 24/26 co-relation queries the response was YES. [2024-11-22 17:51:40,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 242 events. 7/242 cut-off events. For 24/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 624 event pairs, 0 based on Foata normal form. 2/227 useless extension candidates. Maximal degree in co-relation 226. Up to 19 conditions per place. [2024-11-22 17:51:40,958 INFO L140 encePairwiseOnDemand]: 144/149 looper letters, 2 selfloop transitions, 5 changer transitions 0/146 dead transitions. [2024-11-22 17:51:40,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 146 transitions, 370 flow [2024-11-22 17:51:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 426 transitions. [2024-11-22 17:51:40,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9530201342281879 [2024-11-22 17:51:40,961 INFO L175 Difference]: Start difference. First operand has 147 places, 151 transitions, 384 flow. Second operand 3 states and 426 transitions. [2024-11-22 17:51:40,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 146 transitions, 370 flow [2024-11-22 17:51:40,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 146 transitions, 352 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-22 17:51:40,967 INFO L231 Difference]: Finished difference. Result has 146 places, 146 transitions, 348 flow [2024-11-22 17:51:40,967 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=146, PETRI_TRANSITIONS=146} [2024-11-22 17:51:40,968 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, 2 predicate places. [2024-11-22 17:51:40,970 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 146 transitions, 348 flow [2024-11-22 17:51:40,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:40,971 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:40,971 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:40,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:51:40,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:51:40,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:40,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1478697317, now seen corresponding path program 1 times [2024-11-22 17:51:40,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:40,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047474790] [2024-11-22 17:51:40,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:40,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:41,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:41,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047474790] [2024-11-22 17:51:41,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047474790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:41,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:41,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:51:41,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682685382] [2024-11-22 17:51:41,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:41,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:41,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:41,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:41,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:41,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 149 [2024-11-22 17:51:41,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:41,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:41,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 149 [2024-11-22 17:51:41,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:41,147 INFO L124 PetriNetUnfolderBase]: 0/154 cut-off events. [2024-11-22 17:51:41,148 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-22 17:51:41,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 154 events. 0/154 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2024-11-22 17:51:41,149 INFO L140 encePairwiseOnDemand]: 145/149 looper letters, 7 selfloop transitions, 3 changer transitions 6/127 dead transitions. [2024-11-22 17:51:41,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 127 transitions, 306 flow [2024-11-22 17:51:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2024-11-22 17:51:41,152 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9060402684563759 [2024-11-22 17:51:41,153 INFO L175 Difference]: Start difference. First operand has 146 places, 146 transitions, 348 flow. Second operand 3 states and 405 transitions. [2024-11-22 17:51:41,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 127 transitions, 306 flow [2024-11-22 17:51:41,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 127 transitions, 294 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-22 17:51:41,156 INFO L231 Difference]: Finished difference. Result has 134 places, 121 transitions, 263 flow [2024-11-22 17:51:41,157 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=134, PETRI_TRANSITIONS=121} [2024-11-22 17:51:41,157 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -10 predicate places. [2024-11-22 17:51:41,158 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 121 transitions, 263 flow [2024-11-22 17:51:41,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:41,159 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:41,159 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:41,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:51:41,159 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-22 17:51:41,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:41,162 INFO L85 PathProgramCache]: Analyzing trace with hash -51887796, now seen corresponding path program 1 times [2024-11-22 17:51:41,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:41,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230724056] [2024-11-22 17:51:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:41,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:41,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:41,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230724056] [2024-11-22 17:51:41,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230724056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:41,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:41,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:51:41,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189382746] [2024-11-22 17:51:41,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:41,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:51:41,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:41,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:51:41,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:51:41,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2024-11-22 17:51:41,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 121 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:41,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:41,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2024-11-22 17:51:41,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:41,287 INFO L124 PetriNetUnfolderBase]: 0/133 cut-off events. [2024-11-22 17:51:41,287 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-22 17:51:41,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 133 events. 0/133 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 2/135 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2024-11-22 17:51:41,287 INFO L140 encePairwiseOnDemand]: 147/149 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2024-11-22 17:51:41,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 120 transitions, 283 flow [2024-11-22 17:51:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:51:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:51:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2024-11-22 17:51:41,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8859060402684564 [2024-11-22 17:51:41,289 INFO L175 Difference]: Start difference. First operand has 134 places, 121 transitions, 263 flow. Second operand 3 states and 396 transitions. [2024-11-22 17:51:41,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 120 transitions, 283 flow [2024-11-22 17:51:41,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 267 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-22 17:51:41,292 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2024-11-22 17:51:41,292 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2024-11-22 17:51:41,293 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -18 predicate places. [2024-11-22 17:51:41,294 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2024-11-22 17:51:41,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:51:41,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-22 17:51:41,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-22 17:51:41,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-22 17:51:41,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-22 17:51:41,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-22 17:51:41,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-22 17:51:41,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-22 17:51:41,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-22 17:51:41,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-22 17:51:41,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:51:41,300 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-22 17:51:41,309 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:51:41,310 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:51:41,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:51:41 BasicIcfg [2024-11-22 17:51:41,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:51:41,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:51:41,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:51:41,321 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:51:41,321 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:51:39" (3/4) ... [2024-11-22 17:51:41,323 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:51:41,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-22 17:51:41,333 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-22 17:51:41,333 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 17:51:41,333 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 17:51:41,335 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:51:41,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:51:41,427 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:51:41,428 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:51:41,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:51:41,429 INFO L158 Benchmark]: Toolchain (without parser) took 3154.03ms. Allocated memory is still 174.1MB. Free memory was 105.2MB in the beginning and 73.2MB in the end (delta: 32.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-22 17:51:41,430 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:51:41,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.61ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 134.5MB in the end (delta: -29.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-22 17:51:41,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.39ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 132.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:51:41,431 INFO L158 Benchmark]: Boogie Preprocessor took 36.48ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 130.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:51:41,431 INFO L158 Benchmark]: RCFGBuilder took 495.23ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 112.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 17:51:41,432 INFO L158 Benchmark]: TraceAbstraction took 1903.01ms. Allocated memory is still 174.1MB. Free memory was 111.4MB in the beginning and 78.4MB in the end (delta: 33.0MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-11-22 17:51:41,432 INFO L158 Benchmark]: Witness Printer took 107.80ms. Allocated memory is still 174.1MB. Free memory was 78.4MB in the beginning and 73.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:51:41,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.61ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 134.5MB in the end (delta: -29.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.39ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 132.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.48ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 130.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.23ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 112.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1903.01ms. Allocated memory is still 174.1MB. Free memory was 111.4MB in the beginning and 78.4MB in the end (delta: 33.0MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 107.80ms. Allocated memory is still 174.1MB. Free memory was 78.4MB in the beginning and 73.2MB 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: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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 3 procedures, 169 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 23 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 17:51:41,456 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