./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/05-lval_ls_02-idx_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/05-lval_ls_02-idx_nr.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 6a6d4c6573ed55a0a96a38de6d1424f0a577970a6c88cea50d5cb9a315d791fd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:49:03,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:49:03,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:49:03,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:49:03,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:49:03,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:49:03,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:49:03,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:49:03,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:49:03,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:49:03,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:49:03,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:49:03,828 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:49:03,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:49:03,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:49:03,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:49:03,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:49:03,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:49:03,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:49:03,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:49:03,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:49:03,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:49:03,831 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:49:03,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:49:03,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:49:03,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:49:03,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:49:03,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:49:03,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:49:03,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:49:03,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:49:03,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:49:03,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:49:03,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:49:03,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:49:03,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:49:03,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:49:03,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:49:03,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:49:03,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:49:03,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:49:03,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6d4c6573ed55a0a96a38de6d1424f0a577970a6c88cea50d5cb9a315d791fd [2024-11-19 05:49:04,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:49:04,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:49:04,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:49:04,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:49:04,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:49:04,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/05-lval_ls_02-idx_nr.i [2024-11-19 05:49:05,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:49:05,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:49:05,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_02-idx_nr.i [2024-11-19 05:49:05,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35da6acf8/1ae9c7f70a2b419ba2fc3f22f3b08cb4/FLAG30d6e0f21 [2024-11-19 05:49:05,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35da6acf8/1ae9c7f70a2b419ba2fc3f22f3b08cb4 [2024-11-19 05:49:05,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:49:05,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:49:05,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:49:05,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:49:05,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:49:05,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e4193f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05, skipping insertion in model container [2024-11-19 05:49:05,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:49:05,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:49:05,833 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:49:05,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:49:05,902 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:49:05,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05 WrapperNode [2024-11-19 05:49:05,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:49:05,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:49:05,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:49:05,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:49:05,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,944 INFO L138 Inliner]: procedures = 162, calls = 58, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2024-11-19 05:49:05,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:49:05,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:49:05,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:49:05,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:49:05,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:49:05,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:49:05,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:49:05,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:49:05,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (1/1) ... [2024-11-19 05:49:05,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:49:05,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:49:05,992 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) [2024-11-19 05:49:05,994 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 [2024-11-19 05:49:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:49:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:49:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:49:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:49:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:49:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:49:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:49:06,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:49:06,029 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:49:06,128 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:49:06,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:49:06,290 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:49:06,290 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:49:06,307 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:49:06,307 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 05:49:06,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:06 BoogieIcfgContainer [2024-11-19 05:49:06,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:49:06,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:49:06,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:49:06,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:49:06,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:49:05" (1/3) ... [2024-11-19 05:49:06,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64891c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:49:06, skipping insertion in model container [2024-11-19 05:49:06,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:05" (2/3) ... [2024-11-19 05:49:06,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64891c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:49:06, skipping insertion in model container [2024-11-19 05:49:06,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:06" (3/3) ... [2024-11-19 05:49:06,318 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_02-idx_nr.i [2024-11-19 05:49:06,330 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:49:06,331 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 05:49:06,331 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:49:06,376 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:49:06,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 111 transitions, 226 flow [2024-11-19 05:49:06,448 INFO L124 PetriNetUnfolderBase]: 2/110 cut-off events. [2024-11-19 05:49:06,448 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:06,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2024-11-19 05:49:06,452 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 111 transitions, 226 flow [2024-11-19 05:49:06,456 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 110 transitions, 223 flow [2024-11-19 05:49:06,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:49:06,467 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;@5c4b88b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:49:06,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-19 05:49:06,484 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:49:06,484 INFO L124 PetriNetUnfolderBase]: 2/79 cut-off events. [2024-11-19 05:49:06,484 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:06,484 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:06,485 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] [2024-11-19 05:49:06,485 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-19 05:49:06,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:06,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2030175117, now seen corresponding path program 1 times [2024-11-19 05:49:06,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:06,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917013123] [2024-11-19 05:49:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:06,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:06,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:06,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917013123] [2024-11-19 05:49:06,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917013123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:06,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:06,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:49:06,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965873285] [2024-11-19 05:49:06,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:06,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:06,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:06,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:06,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:06,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 111 [2024-11-19 05:49:06,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 110 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2024-11-19 05:49:06,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:06,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 111 [2024-11-19 05:49:06,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:06,925 INFO L124 PetriNetUnfolderBase]: 7/170 cut-off events. [2024-11-19 05:49:06,925 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:06,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 170 events. 7/170 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 249 event pairs, 6 based on Foata normal form. 1/159 useless extension candidates. Maximal degree in co-relation 113. Up to 24 conditions per place. [2024-11-19 05:49:06,930 INFO L140 encePairwiseOnDemand]: 107/111 looper letters, 10 selfloop transitions, 2 changer transitions 0/110 dead transitions. [2024-11-19 05:49:06,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 110 transitions, 247 flow [2024-11-19 05:49:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2024-11-19 05:49:06,942 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9369369369369369 [2024-11-19 05:49:06,943 INFO L175 Difference]: Start difference. First operand has 112 places, 110 transitions, 223 flow. Second operand 3 states and 312 transitions. [2024-11-19 05:49:06,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 110 transitions, 247 flow [2024-11-19 05:49:06,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:06,952 INFO L231 Difference]: Finished difference. Result has 114 places, 110 transitions, 232 flow [2024-11-19 05:49:06,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=114, PETRI_TRANSITIONS=110} [2024-11-19 05:49:06,957 INFO L277 CegarLoopForPetriNet]: 112 programPoint places, 2 predicate places. [2024-11-19 05:49:06,958 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 110 transitions, 232 flow [2024-11-19 05:49:06,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2024-11-19 05:49:06,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:06,958 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] [2024-11-19 05:49:06,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:49:06,959 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-19 05:49:06,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:06,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1906695851, now seen corresponding path program 1 times [2024-11-19 05:49:06,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:06,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31031664] [2024-11-19 05:49:06,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:06,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:07,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:07,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31031664] [2024-11-19 05:49:07,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31031664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:49:07,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748699992] [2024-11-19 05:49:07,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:07,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:49:07,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:49:07,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:49:07,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:49:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:07,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 05:49:07,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:49:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:49:07,194 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:49:07,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748699992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:07,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:49:07,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 05:49:07,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952515297] [2024-11-19 05:49:07,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:07,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:07,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:07,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:07,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:07,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2024-11-19 05:49:07,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 110 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2024-11-19 05:49:07,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:07,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2024-11-19 05:49:07,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:07,264 INFO L124 PetriNetUnfolderBase]: 32/259 cut-off events. [2024-11-19 05:49:07,264 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:07,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 259 events. 32/259 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 878 event pairs, 13 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 280. Up to 44 conditions per place. [2024-11-19 05:49:07,266 INFO L140 encePairwiseOnDemand]: 103/111 looper letters, 17 selfloop transitions, 6 changer transitions 0/120 dead transitions. [2024-11-19 05:49:07,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 120 transitions, 298 flow [2024-11-19 05:49:07,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:07,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2024-11-19 05:49:07,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.948948948948949 [2024-11-19 05:49:07,268 INFO L175 Difference]: Start difference. First operand has 114 places, 110 transitions, 232 flow. Second operand 3 states and 316 transitions. [2024-11-19 05:49:07,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 120 transitions, 298 flow [2024-11-19 05:49:07,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 120 transitions, 296 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:07,274 INFO L231 Difference]: Finished difference. Result has 117 places, 116 transitions, 282 flow [2024-11-19 05:49:07,274 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=117, PETRI_TRANSITIONS=116} [2024-11-19 05:49:07,275 INFO L277 CegarLoopForPetriNet]: 112 programPoint places, 5 predicate places. [2024-11-19 05:49:07,275 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 116 transitions, 282 flow [2024-11-19 05:49:07,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2024-11-19 05:49:07,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:07,275 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] [2024-11-19 05:49:07,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 05:49:07,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:49:07,479 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-19 05:49:07,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:07,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1257755241, now seen corresponding path program 1 times [2024-11-19 05:49:07,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:07,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752740896] [2024-11-19 05:49:07,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:07,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:07,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:07,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752740896] [2024-11-19 05:49:07,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752740896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:49:07,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601667242] [2024-11-19 05:49:07,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:07,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:49:07,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:49:07,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:49:07,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 05:49:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:07,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 05:49:07,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:49:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:49:07,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:49:07,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601667242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:07,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:49:07,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 05:49:07,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167257328] [2024-11-19 05:49:07,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:07,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:07,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:07,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:07,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:07,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2024-11-19 05:49:07,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 116 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2024-11-19 05:49:07,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:07,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2024-11-19 05:49:07,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:07,754 INFO L124 PetriNetUnfolderBase]: 47/319 cut-off events. [2024-11-19 05:49:07,755 INFO L125 PetriNetUnfolderBase]: For 89/94 co-relation queries the response was YES. [2024-11-19 05:49:07,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 319 events. 47/319 cut-off events. For 89/94 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1302 event pairs, 21 based on Foata normal form. 3/304 useless extension candidates. Maximal degree in co-relation 451. Up to 86 conditions per place. [2024-11-19 05:49:07,758 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 16 selfloop transitions, 7 changer transitions 1/123 dead transitions. [2024-11-19 05:49:07,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 123 transitions, 354 flow [2024-11-19 05:49:07,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-11-19 05:49:07,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.933933933933934 [2024-11-19 05:49:07,761 INFO L175 Difference]: Start difference. First operand has 117 places, 116 transitions, 282 flow. Second operand 3 states and 311 transitions. [2024-11-19 05:49:07,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 123 transitions, 354 flow [2024-11-19 05:49:07,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 123 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:49:07,766 INFO L231 Difference]: Finished difference. Result has 119 places, 121 transitions, 326 flow [2024-11-19 05:49:07,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=119, PETRI_TRANSITIONS=121} [2024-11-19 05:49:07,767 INFO L277 CegarLoopForPetriNet]: 112 programPoint places, 7 predicate places. [2024-11-19 05:49:07,767 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 121 transitions, 326 flow [2024-11-19 05:49:07,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2024-11-19 05:49:07,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:07,769 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] [2024-11-19 05:49:07,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 05:49:07,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-19 05:49:07,970 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-19 05:49:07,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:07,971 INFO L85 PathProgramCache]: Analyzing trace with hash -517686751, now seen corresponding path program 1 times [2024-11-19 05:49:07,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:07,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131866444] [2024-11-19 05:49:07,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:07,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:08,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:08,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131866444] [2024-11-19 05:49:08,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131866444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:49:08,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334657439] [2024-11-19 05:49:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:08,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:49:08,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:49:08,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:49:08,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 05:49:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:08,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 05:49:08,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:49:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:49:08,140 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:49:08,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334657439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:08,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:49:08,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 05:49:08,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173102106] [2024-11-19 05:49:08,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:08,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:08,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:08,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:08,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:08,161 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 111 [2024-11-19 05:49:08,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 121 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-11-19 05:49:08,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:08,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 111 [2024-11-19 05:49:08,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:08,208 INFO L124 PetriNetUnfolderBase]: 66/386 cut-off events. [2024-11-19 05:49:08,209 INFO L125 PetriNetUnfolderBase]: For 199/207 co-relation queries the response was YES. [2024-11-19 05:49:08,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 386 events. 66/386 cut-off events. For 199/207 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1772 event pairs, 25 based on Foata normal form. 2/371 useless extension candidates. Maximal degree in co-relation 650. Up to 115 conditions per place. [2024-11-19 05:49:08,211 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 17 selfloop transitions, 7 changer transitions 7/128 dead transitions. [2024-11-19 05:49:08,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 128 transitions, 412 flow [2024-11-19 05:49:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 307 transitions. [2024-11-19 05:49:08,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9219219219219219 [2024-11-19 05:49:08,213 INFO L175 Difference]: Start difference. First operand has 119 places, 121 transitions, 326 flow. Second operand 3 states and 307 transitions. [2024-11-19 05:49:08,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 128 transitions, 412 flow [2024-11-19 05:49:08,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 128 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:49:08,217 INFO L231 Difference]: Finished difference. Result has 121 places, 120 transitions, 344 flow [2024-11-19 05:49:08,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=121, PETRI_TRANSITIONS=120} [2024-11-19 05:49:08,218 INFO L277 CegarLoopForPetriNet]: 112 programPoint places, 9 predicate places. [2024-11-19 05:49:08,219 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 120 transitions, 344 flow [2024-11-19 05:49:08,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2024-11-19 05:49:08,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:08,220 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] [2024-11-19 05:49:08,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 05:49:08,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:49:08,424 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-19 05:49:08,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:08,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1062936479, now seen corresponding path program 1 times [2024-11-19 05:49:08,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:08,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568808102] [2024-11-19 05:49:08,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:08,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:08,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:08,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568808102] [2024-11-19 05:49:08,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568808102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:49:08,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250415496] [2024-11-19 05:49:08,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:08,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:49:08,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:49:08,527 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:49:08,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 05:49:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:08,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 05:49:08,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:49:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:08,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:49:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:08,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250415496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:49:08,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:49:08,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 05:49:08,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441032320] [2024-11-19 05:49:08,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:49:08,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 05:49:08,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:08,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 05:49:08,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 05:49:08,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-11-19 05:49:08,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 120 transitions, 344 flow. Second operand has 10 states, 10 states have (on average 98.1) internal successors, (981), 10 states have internal predecessors, (981), 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) [2024-11-19 05:49:08,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:08,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-11-19 05:49:08,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:08,817 INFO L124 PetriNetUnfolderBase]: 25/318 cut-off events. [2024-11-19 05:49:08,818 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2024-11-19 05:49:08,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 318 events. 25/318 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1306 event pairs, 10 based on Foata normal form. 2/309 useless extension candidates. Maximal degree in co-relation 461. Up to 37 conditions per place. [2024-11-19 05:49:08,819 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 14 selfloop transitions, 9 changer transitions 0/128 dead transitions. [2024-11-19 05:49:08,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 128 transitions, 408 flow [2024-11-19 05:49:08,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 05:49:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 05:49:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 889 transitions. [2024-11-19 05:49:08,821 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8898898898898899 [2024-11-19 05:49:08,822 INFO L175 Difference]: Start difference. First operand has 121 places, 120 transitions, 344 flow. Second operand 9 states and 889 transitions. [2024-11-19 05:49:08,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 128 transitions, 408 flow [2024-11-19 05:49:08,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 128 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:49:08,825 INFO L231 Difference]: Finished difference. Result has 130 places, 126 transitions, 380 flow [2024-11-19 05:49:08,825 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=380, PETRI_PLACES=130, PETRI_TRANSITIONS=126} [2024-11-19 05:49:08,826 INFO L277 CegarLoopForPetriNet]: 112 programPoint places, 18 predicate places. [2024-11-19 05:49:08,826 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 126 transitions, 380 flow [2024-11-19 05:49:08,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 98.1) internal successors, (981), 10 states have internal predecessors, (981), 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) [2024-11-19 05:49:08,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:08,827 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:08,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 05:49:09,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:49:09,032 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-19 05:49:09,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:09,033 INFO L85 PathProgramCache]: Analyzing trace with hash 828941855, now seen corresponding path program 2 times [2024-11-19 05:49:09,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:09,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446196981] [2024-11-19 05:49:09,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:49:09,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:09,048 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:49:09,048 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 05:49:09,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:09,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446196981] [2024-11-19 05:49:09,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446196981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:09,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:09,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:49:09,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732883014] [2024-11-19 05:49:09,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:09,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:09,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:09,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:09,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:09,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 111 [2024-11-19 05:49:09,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 126 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2024-11-19 05:49:09,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:09,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 111 [2024-11-19 05:49:09,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:09,206 INFO L124 PetriNetUnfolderBase]: 2/143 cut-off events. [2024-11-19 05:49:09,207 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-19 05:49:09,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 143 events. 2/143 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 1 based on Foata normal form. 2/145 useless extension candidates. Maximal degree in co-relation 130. Up to 10 conditions per place. [2024-11-19 05:49:09,207 INFO L140 encePairwiseOnDemand]: 107/111 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2024-11-19 05:49:09,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 112 transitions, 318 flow [2024-11-19 05:49:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:09,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2024-11-19 05:49:09,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.954954954954955 [2024-11-19 05:49:09,209 INFO L175 Difference]: Start difference. First operand has 130 places, 126 transitions, 380 flow. Second operand 3 states and 318 transitions. [2024-11-19 05:49:09,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 112 transitions, 318 flow [2024-11-19 05:49:09,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 112 transitions, 280 flow, removed 10 selfloop flow, removed 7 redundant places. [2024-11-19 05:49:09,213 INFO L231 Difference]: Finished difference. Result has 121 places, 0 transitions, 0 flow [2024-11-19 05:49:09,214 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=121, PETRI_TRANSITIONS=0} [2024-11-19 05:49:09,214 INFO L277 CegarLoopForPetriNet]: 112 programPoint places, 9 predicate places. [2024-11-19 05:49:09,215 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 0 transitions, 0 flow [2024-11-19 05:49:09,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2024-11-19 05:49:09,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-19 05:49:09,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-19 05:49:09,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-19 05:49:09,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-19 05:49:09,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-19 05:49:09,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-19 05:49:09,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-19 05:49:09,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:49:09,219 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-11-19 05:49:09,224 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:49:09,224 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:49:09,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:49:09 BasicIcfg [2024-11-19 05:49:09,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:49:09,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:49:09,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:49:09,233 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:49:09,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:06" (3/4) ... [2024-11-19 05:49:09,234 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:49:09,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-19 05:49:09,240 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-19 05:49:09,240 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-19 05:49:09,241 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-19 05:49:09,305 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:49:09,305 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:49:09,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:49:09,306 INFO L158 Benchmark]: Toolchain (without parser) took 3806.68ms. Allocated memory was 201.3MB in the beginning and 251.7MB in the end (delta: 50.3MB). Free memory was 170.6MB in the beginning and 116.1MB in the end (delta: 54.5MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. [2024-11-19 05:49:09,306 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:49:09,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.84ms. Allocated memory is still 201.3MB. Free memory was 170.4MB in the beginning and 149.6MB in the end (delta: 20.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-19 05:49:09,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.77ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 147.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:49:09,307 INFO L158 Benchmark]: Boogie Preprocessor took 18.70ms. Allocated memory is still 201.3MB. Free memory was 147.6MB in the beginning and 146.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:49:09,308 INFO L158 Benchmark]: RCFGBuilder took 342.79ms. Allocated memory is still 201.3MB. Free memory was 145.5MB in the beginning and 128.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 05:49:09,308 INFO L158 Benchmark]: TraceAbstraction took 2923.29ms. Allocated memory was 201.3MB in the beginning and 251.7MB in the end (delta: 50.3MB). Free memory was 128.4MB in the beginning and 120.3MB in the end (delta: 8.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-19 05:49:09,308 INFO L158 Benchmark]: Witness Printer took 72.77ms. Allocated memory is still 251.7MB. Free memory was 120.3MB in the beginning and 116.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:49:09,309 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 132.1MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.84ms. Allocated memory is still 201.3MB. Free memory was 170.4MB in the beginning and 149.6MB in the end (delta: 20.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.77ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 147.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.70ms. Allocated memory is still 201.3MB. Free memory was 147.6MB in the beginning and 146.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.79ms. Allocated memory is still 201.3MB. Free memory was 145.5MB in the beginning and 128.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2923.29ms. Allocated memory was 201.3MB in the beginning and 251.7MB in the end (delta: 50.3MB). Free memory was 128.4MB in the beginning and 120.3MB in the end (delta: 8.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Witness Printer took 72.77ms. Allocated memory is still 251.7MB. Free memory was 120.3MB in the beginning and 116.1MB 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: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: 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, 130 locations, 7 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: 2.8s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 344 IncrementalHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 71 mSDtfsCounter, 344 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=5, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 807 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 881 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 2 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 21/27 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 05:49:09,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE