./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/05-lval_ls_09-idxsense_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/05-lval_ls_09-idxsense_rc.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 0e635f0fe47aceede1c472bdc8d824736c973da1578eefbb4d4eeab774d2111f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:29:05,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:29:05,241 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:29:05,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:29:05,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:29:05,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:29:05,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:29:05,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:29:05,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:29:05,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:29:05,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:29:05,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:29:05,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:29:05,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:29:05,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:29:05,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:29:05,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:29:05,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:29:05,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:29:05,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:29:05,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:29:05,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:29:05,277 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:29:05,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:29:05,277 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:29:05,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:29:05,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:29:05,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:29:05,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:29:05,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:29:05,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:29:05,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:29:05,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:29:05,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:29:05,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:29:05,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:29:05,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:29:05,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:29:05,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:29:05,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:29:05,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:29:05,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e635f0fe47aceede1c472bdc8d824736c973da1578eefbb4d4eeab774d2111f [2024-11-12 12:29:05,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:29:05,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:29:05,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:29:05,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:29:05,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:29:05,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/05-lval_ls_09-idxsense_rc.i [2024-11-12 12:29:07,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:29:07,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:29:07,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_09-idxsense_rc.i [2024-11-12 12:29:07,275 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d4d24317/ff04eafd52f4445b99392826111fe421/FLAGd7f77a7cb [2024-11-12 12:29:07,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d4d24317/ff04eafd52f4445b99392826111fe421 [2024-11-12 12:29:07,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:29:07,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:29:07,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:29:07,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:29:07,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:29:07,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182af3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07, skipping insertion in model container [2024-11-12 12:29:07,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:29:07,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:29:07,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:29:07,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:29:07,854 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:29:07,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07 WrapperNode [2024-11-12 12:29:07,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:29:07,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:29:07,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:29:07,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:29:07,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,916 INFO L138 Inliner]: procedures = 162, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 110 [2024-11-12 12:29:07,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:29:07,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:29:07,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:29:07,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:29:07,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:29:07,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:29:07,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:29:07,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:29:07,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (1/1) ... [2024-11-12 12:29:07,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:29:08,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:29:08,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:29:08,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:29:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:29:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:29:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:29:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:29:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-12 12:29:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-12 12:29:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:29:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:29:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:29:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:29:08,056 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:29:08,155 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:29:08,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:29:08,447 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:29:08,448 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:29:08,479 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:29:08,480 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 12:29:08,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:29:08 BoogieIcfgContainer [2024-11-12 12:29:08,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:29:08,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:29:08,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:29:08,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:29:08,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:29:07" (1/3) ... [2024-11-12 12:29:08,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211b218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:29:08, skipping insertion in model container [2024-11-12 12:29:08,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:29:07" (2/3) ... [2024-11-12 12:29:08,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211b218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:29:08, skipping insertion in model container [2024-11-12 12:29:08,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:29:08" (3/3) ... [2024-11-12 12:29:08,489 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_09-idxsense_rc.i [2024-11-12 12:29:08,504 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:29:08,505 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 12:29:08,505 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:29:08,586 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 12:29:08,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 138 transitions, 280 flow [2024-11-12 12:29:08,710 INFO L124 PetriNetUnfolderBase]: 2/137 cut-off events. [2024-11-12 12:29:08,711 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:29:08,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 137 events. 2/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2024-11-12 12:29:08,716 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 138 transitions, 280 flow [2024-11-12 12:29:08,721 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 137 transitions, 277 flow [2024-11-12 12:29:08,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:29:08,746 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;@69a1a06a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:29:08,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-12 12:29:08,773 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:29:08,773 INFO L124 PetriNetUnfolderBase]: 2/98 cut-off events. [2024-11-12 12:29:08,773 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:29:08,774 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:08,774 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:08,775 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)] === [2024-11-12 12:29:08,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:08,783 INFO L85 PathProgramCache]: Analyzing trace with hash 162973442, now seen corresponding path program 1 times [2024-11-12 12:29:08,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:08,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517775048] [2024-11-12 12:29:08,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:08,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:09,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:09,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517775048] [2024-11-12 12:29:09,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517775048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:09,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:09,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:29:09,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922407724] [2024-11-12 12:29:09,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:09,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:29:09,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:09,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:29:09,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:29:09,282 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 138 [2024-11-12 12:29:09,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:09,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:09,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 138 [2024-11-12 12:29:09,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:09,355 INFO L124 PetriNetUnfolderBase]: 7/221 cut-off events. [2024-11-12 12:29:09,356 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:29:09,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 221 events. 7/221 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 322 event pairs, 6 based on Foata normal form. 1/209 useless extension candidates. Maximal degree in co-relation 153. Up to 24 conditions per place. [2024-11-12 12:29:09,359 INFO L140 encePairwiseOnDemand]: 134/138 looper letters, 10 selfloop transitions, 2 changer transitions 0/137 dead transitions. [2024-11-12 12:29:09,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 137 transitions, 301 flow [2024-11-12 12:29:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:29:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:29:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-11-12 12:29:09,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2024-11-12 12:29:09,379 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 277 flow. Second operand 3 states and 393 transitions. [2024-11-12 12:29:09,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 137 transitions, 301 flow [2024-11-12 12:29:09,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 137 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:29:09,390 INFO L231 Difference]: Finished difference. Result has 141 places, 137 transitions, 286 flow [2024-11-12 12:29:09,393 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=141, PETRI_TRANSITIONS=137} [2024-11-12 12:29:09,396 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, 2 predicate places. [2024-11-12 12:29:09,398 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 137 transitions, 286 flow [2024-11-12 12:29:09,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:09,399 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:09,400 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:09,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:29:09,401 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)] === [2024-11-12 12:29:09,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:09,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1374446208, now seen corresponding path program 1 times [2024-11-12 12:29:09,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:09,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110142235] [2024-11-12 12:29:09,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:09,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:09,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:09,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110142235] [2024-11-12 12:29:09,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110142235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:29:09,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133621154] [2024-11-12 12:29:09,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:09,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:29:09,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:29:09,640 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) [2024-11-12 12:29:09,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 12:29:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:09,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 12:29:09,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:29:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:09,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:29:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:09,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133621154] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:29:09,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:29:09,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-12 12:29:09,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3151152] [2024-11-12 12:29:09,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:29:09,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 12:29:09,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:09,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 12:29:09,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 12:29:09,936 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 138 [2024-11-12 12:29:09,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 137 transitions, 286 flow. Second operand has 10 states, 10 states have (on average 125.0) internal successors, (1250), 10 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:09,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:09,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 138 [2024-11-12 12:29:09,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:10,089 INFO L124 PetriNetUnfolderBase]: 7/228 cut-off events. [2024-11-12 12:29:10,090 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:29:10,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 228 events. 7/228 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 316 event pairs, 6 based on Foata normal form. 2/217 useless extension candidates. Maximal degree in co-relation 190. Up to 24 conditions per place. [2024-11-12 12:29:10,093 INFO L140 encePairwiseOnDemand]: 132/138 looper letters, 14 selfloop transitions, 9 changer transitions 0/145 dead transitions. [2024-11-12 12:29:10,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 145 transitions, 350 flow [2024-11-12 12:29:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 12:29:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 12:29:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1132 transitions. [2024-11-12 12:29:10,104 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114331723027376 [2024-11-12 12:29:10,104 INFO L175 Difference]: Start difference. First operand has 141 places, 137 transitions, 286 flow. Second operand 9 states and 1132 transitions. [2024-11-12 12:29:10,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 145 transitions, 350 flow [2024-11-12 12:29:10,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 145 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:29:10,109 INFO L231 Difference]: Finished difference. Result has 151 places, 143 transitions, 334 flow [2024-11-12 12:29:10,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=334, PETRI_PLACES=151, PETRI_TRANSITIONS=143} [2024-11-12 12:29:10,112 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, 12 predicate places. [2024-11-12 12:29:10,112 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 143 transitions, 334 flow [2024-11-12 12:29:10,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 125.0) internal successors, (1250), 10 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:10,114 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:10,114 INFO L206 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, 1, 1, 1, 1, 1] [2024-11-12 12:29:10,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 12:29:10,318 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 [2024-11-12 12:29:10,319 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-12 12:29:10,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:10,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1096255808, now seen corresponding path program 2 times [2024-11-12 12:29:10,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:10,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237353184] [2024-11-12 12:29:10,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:10,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:10,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:10,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237353184] [2024-11-12 12:29:10,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237353184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:29:10,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388202633] [2024-11-12 12:29:10,583 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:29:10,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:29:10,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:29:10,586 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) [2024-11-12 12:29:10,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 12:29:10,682 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:29:10,682 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:29:10,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 12:29:10,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:29:10,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-12 12:29:10,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-12 12:29:10,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:29:10,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-12 12:29:11,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:29:11,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-12 12:29:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-12 12:29:11,043 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:29:11,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388202633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:11,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:29:11,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-11-12 12:29:11,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734126109] [2024-11-12 12:29:11,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:11,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 12:29:11,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:11,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 12:29:11,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-12 12:29:11,305 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 138 [2024-11-12 12:29:11,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 143 transitions, 334 flow. Second operand has 7 states, 7 states have (on average 110.14285714285714) internal successors, (771), 7 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:11,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:11,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 138 [2024-11-12 12:29:11,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:11,611 INFO L124 PetriNetUnfolderBase]: 261/1003 cut-off events. [2024-11-12 12:29:11,611 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-12 12:29:11,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 1003 events. 261/1003 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5970 event pairs, 67 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 1492. Up to 256 conditions per place. [2024-11-12 12:29:11,621 INFO L140 encePairwiseOnDemand]: 115/138 looper letters, 87 selfloop transitions, 43 changer transitions 0/245 dead transitions. [2024-11-12 12:29:11,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 245 transitions, 798 flow [2024-11-12 12:29:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 12:29:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-12 12:29:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 895 transitions. [2024-11-12 12:29:11,627 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9265010351966874 [2024-11-12 12:29:11,627 INFO L175 Difference]: Start difference. First operand has 151 places, 143 transitions, 334 flow. Second operand 7 states and 895 transitions. [2024-11-12 12:29:11,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 245 transitions, 798 flow [2024-11-12 12:29:11,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 245 transitions, 792 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-12 12:29:11,633 INFO L231 Difference]: Finished difference. Result has 161 places, 189 transitions, 647 flow [2024-11-12 12:29:11,633 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=647, PETRI_PLACES=161, PETRI_TRANSITIONS=189} [2024-11-12 12:29:11,634 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, 22 predicate places. [2024-11-12 12:29:11,634 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 189 transitions, 647 flow [2024-11-12 12:29:11,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.14285714285714) internal successors, (771), 7 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:11,635 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:11,635 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:11,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 12:29:11,836 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 [2024-11-12 12:29:11,837 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-12 12:29:11,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:11,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1131837115, now seen corresponding path program 1 times [2024-11-12 12:29:11,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:11,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665256641] [2024-11-12 12:29:11,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:11,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:12,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:12,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665256641] [2024-11-12 12:29:12,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665256641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:29:12,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834563416] [2024-11-12 12:29:12,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:12,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:29:12,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:29:12,032 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) [2024-11-12 12:29:12,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 12:29:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:12,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 12:29:12,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:29:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:12,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:29:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:12,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834563416] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:29:12,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:29:12,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-12 12:29:12,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001101294] [2024-11-12 12:29:12,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:29:12,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 12:29:12,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:12,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 12:29:12,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-12 12:29:12,312 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 138 [2024-11-12 12:29:12,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 189 transitions, 647 flow. Second operand has 18 states, 18 states have (on average 125.0) internal successors, (2250), 18 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:12,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:12,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 138 [2024-11-12 12:29:12,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:12,597 INFO L124 PetriNetUnfolderBase]: 123/770 cut-off events. [2024-11-12 12:29:12,597 INFO L125 PetriNetUnfolderBase]: For 130/145 co-relation queries the response was YES. [2024-11-12 12:29:12,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1442 conditions, 770 events. 123/770 cut-off events. For 130/145 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4494 event pairs, 41 based on Foata normal form. 4/757 useless extension candidates. Maximal degree in co-relation 1250. Up to 126 conditions per place. [2024-11-12 12:29:12,603 INFO L140 encePairwiseOnDemand]: 132/138 looper letters, 18 selfloop transitions, 21 changer transitions 0/207 dead transitions. [2024-11-12 12:29:12,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 207 transitions, 813 flow [2024-11-12 12:29:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 12:29:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-12 12:29:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2626 transitions. [2024-11-12 12:29:12,609 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9061421670117322 [2024-11-12 12:29:12,609 INFO L175 Difference]: Start difference. First operand has 161 places, 189 transitions, 647 flow. Second operand 21 states and 2626 transitions. [2024-11-12 12:29:12,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 207 transitions, 813 flow [2024-11-12 12:29:12,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 207 transitions, 812 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:29:12,618 INFO L231 Difference]: Finished difference. Result has 185 places, 202 transitions, 776 flow [2024-11-12 12:29:12,619 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=776, PETRI_PLACES=185, PETRI_TRANSITIONS=202} [2024-11-12 12:29:12,620 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, 46 predicate places. [2024-11-12 12:29:12,621 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 202 transitions, 776 flow [2024-11-12 12:29:12,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 125.0) internal successors, (2250), 18 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:12,622 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:12,622 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:12,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 12:29:12,826 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 [2024-11-12 12:29:12,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-12 12:29:12,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:12,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1590758341, now seen corresponding path program 2 times [2024-11-12 12:29:12,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:12,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550656866] [2024-11-12 12:29:12,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:12,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:13,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:13,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550656866] [2024-11-12 12:29:13,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550656866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:29:13,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098907791] [2024-11-12 12:29:13,208 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:29:13,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:29:13,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:29:13,212 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) [2024-11-12 12:29:13,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 12:29:13,306 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:29:13,306 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:29:13,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 12:29:13,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:29:13,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-12 12:29:13,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-12 12:29:13,379 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:29:13,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-12 12:29:13,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:29:13,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-12 12:29:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-12 12:29:13,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:29:13,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098907791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:13,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:29:13,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-12 12:29:13,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270740496] [2024-11-12 12:29:13,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:13,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:29:13,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:13,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:29:13,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-12 12:29:13,670 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 138 [2024-11-12 12:29:13,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 202 transitions, 776 flow. Second operand has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:13,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:13,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 138 [2024-11-12 12:29:13,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:13,972 INFO L124 PetriNetUnfolderBase]: 417/1422 cut-off events. [2024-11-12 12:29:13,972 INFO L125 PetriNetUnfolderBase]: For 627/662 co-relation queries the response was YES. [2024-11-12 12:29:13,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3427 conditions, 1422 events. 417/1422 cut-off events. For 627/662 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 9214 event pairs, 108 based on Foata normal form. 21/1426 useless extension candidates. Maximal degree in co-relation 3228. Up to 602 conditions per place. [2024-11-12 12:29:13,982 INFO L140 encePairwiseOnDemand]: 121/138 looper letters, 99 selfloop transitions, 53 changer transitions 6/285 dead transitions. [2024-11-12 12:29:13,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 285 transitions, 1444 flow [2024-11-12 12:29:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:29:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:29:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 746 transitions. [2024-11-12 12:29:13,985 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9009661835748792 [2024-11-12 12:29:13,985 INFO L175 Difference]: Start difference. First operand has 185 places, 202 transitions, 776 flow. Second operand 6 states and 746 transitions. [2024-11-12 12:29:13,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 285 transitions, 1444 flow [2024-11-12 12:29:14,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 285 transitions, 1420 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-12 12:29:14,015 INFO L231 Difference]: Finished difference. Result has 189 places, 253 transitions, 1258 flow [2024-11-12 12:29:14,015 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1258, PETRI_PLACES=189, PETRI_TRANSITIONS=253} [2024-11-12 12:29:14,016 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, 50 predicate places. [2024-11-12 12:29:14,016 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 253 transitions, 1258 flow [2024-11-12 12:29:14,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:14,017 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:14,017 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:14,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 12:29:14,218 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 [2024-11-12 12:29:14,218 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-12 12:29:14,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:14,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1125053327, now seen corresponding path program 1 times [2024-11-12 12:29:14,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:14,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021400235] [2024-11-12 12:29:14,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:14,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:14,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:14,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021400235] [2024-11-12 12:29:14,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021400235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:29:14,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26859601] [2024-11-12 12:29:14,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:14,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:29:14,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:29:14,551 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:29:14,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 12:29:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:14,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 12:29:14,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:29:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:14,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:29:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:29:14,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26859601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:29:14,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:29:14,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-12 12:29:14,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592818201] [2024-11-12 12:29:14,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:29:14,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-12 12:29:14,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:14,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-12 12:29:14,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-12 12:29:14,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 138 [2024-11-12 12:29:14,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 253 transitions, 1258 flow. Second operand has 23 states, 23 states have (on average 125.08695652173913) internal successors, (2877), 23 states have internal predecessors, (2877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:14,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:14,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 138 [2024-11-12 12:29:14,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:15,409 INFO L124 PetriNetUnfolderBase]: 227/1128 cut-off events. [2024-11-12 12:29:15,410 INFO L125 PetriNetUnfolderBase]: For 971/1000 co-relation queries the response was YES. [2024-11-12 12:29:15,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2850 conditions, 1128 events. 227/1128 cut-off events. For 971/1000 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7343 event pairs, 39 based on Foata normal form. 7/1121 useless extension candidates. Maximal degree in co-relation 2571. Up to 212 conditions per place. [2024-11-12 12:29:15,417 INFO L140 encePairwiseOnDemand]: 132/138 looper letters, 21 selfloop transitions, 30 changer transitions 0/270 dead transitions. [2024-11-12 12:29:15,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 270 transitions, 1482 flow [2024-11-12 12:29:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-12 12:29:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-12 12:29:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3744 transitions. [2024-11-12 12:29:15,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9043478260869565 [2024-11-12 12:29:15,424 INFO L175 Difference]: Start difference. First operand has 189 places, 253 transitions, 1258 flow. Second operand 30 states and 3744 transitions. [2024-11-12 12:29:15,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 270 transitions, 1482 flow [2024-11-12 12:29:15,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 270 transitions, 1474 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-11-12 12:29:15,434 INFO L231 Difference]: Finished difference. Result has 222 places, 263 transitions, 1402 flow [2024-11-12 12:29:15,435 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1402, PETRI_PLACES=222, PETRI_TRANSITIONS=263} [2024-11-12 12:29:15,435 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, 83 predicate places. [2024-11-12 12:29:15,436 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 263 transitions, 1402 flow [2024-11-12 12:29:15,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 125.08695652173913) internal successors, (2877), 23 states have internal predecessors, (2877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:15,437 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:15,437 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:15,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 12:29:15,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:29:15,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-12 12:29:15,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:15,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1161396659, now seen corresponding path program 2 times [2024-11-12 12:29:15,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:15,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811039559] [2024-11-12 12:29:15,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:15,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:29:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-12 12:29:16,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:29:16,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811039559] [2024-11-12 12:29:16,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811039559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:29:16,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:29:16,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:29:16,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502980968] [2024-11-12 12:29:16,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:29:16,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:29:16,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:29:16,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:29:16,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:29:16,426 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 138 [2024-11-12 12:29:16,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 263 transitions, 1402 flow. Second operand has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:16,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:29:16,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 138 [2024-11-12 12:29:16,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:29:16,801 INFO L124 PetriNetUnfolderBase]: 571/1817 cut-off events. [2024-11-12 12:29:16,801 INFO L125 PetriNetUnfolderBase]: For 2380/2428 co-relation queries the response was YES. [2024-11-12 12:29:16,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5538 conditions, 1817 events. 571/1817 cut-off events. For 2380/2428 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 12226 event pairs, 127 based on Foata normal form. 25/1817 useless extension candidates. Maximal degree in co-relation 5256. Up to 841 conditions per place. [2024-11-12 12:29:16,813 INFO L140 encePairwiseOnDemand]: 121/138 looper letters, 120 selfloop transitions, 58 changer transitions 39/355 dead transitions. [2024-11-12 12:29:16,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 355 transitions, 2360 flow [2024-11-12 12:29:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:29:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:29:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 736 transitions. [2024-11-12 12:29:16,816 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-12 12:29:16,816 INFO L175 Difference]: Start difference. First operand has 222 places, 263 transitions, 1402 flow. Second operand 6 states and 736 transitions. [2024-11-12 12:29:16,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 355 transitions, 2360 flow [2024-11-12 12:29:16,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 355 transitions, 2314 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-12 12:29:16,829 INFO L231 Difference]: Finished difference. Result has 213 places, 290 transitions, 1764 flow [2024-11-12 12:29:16,830 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=1356, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1764, PETRI_PLACES=213, PETRI_TRANSITIONS=290} [2024-11-12 12:29:16,830 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, 74 predicate places. [2024-11-12 12:29:16,831 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 290 transitions, 1764 flow [2024-11-12 12:29:16,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:29:16,831 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:29:16,831 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:29:16,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:29:16,832 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-12 12:29:16,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:29:16,833 INFO L85 PathProgramCache]: Analyzing trace with hash -985243065, now seen corresponding path program 1 times [2024-11-12 12:29:16,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:29:16,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714979086] [2024-11-12 12:29:16,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:29:16,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:29:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:29:16,873 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 12:29:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 12:29:16,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 12:29:16,931 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 12:29:16,932 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-12 12:29:16,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-12 12:29:16,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-12 12:29:16,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-12 12:29:16,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-12 12:29:16,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-12 12:29:16,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-12 12:29:16,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:29:16,935 INFO L421 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1] [2024-11-12 12:29:16,999 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:29:17,000 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:29:17,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:29:17 BasicIcfg [2024-11-12 12:29:17,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:29:17,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:29:17,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:29:17,004 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:29:17,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:29:08" (3/4) ... [2024-11-12 12:29:17,006 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-12 12:29:17,066 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:29:17,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:29:17,067 INFO L158 Benchmark]: Toolchain (without parser) took 9773.69ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 101.4MB in the beginning and 144.5MB in the end (delta: -43.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-12 12:29:17,067 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:29:17,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.60ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 124.4MB in the end (delta: -23.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-12 12:29:17,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.45ms. Allocated memory is still 169.9MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:29:17,068 INFO L158 Benchmark]: Boogie Preprocessor took 51.45ms. Allocated memory is still 169.9MB. Free memory was 122.2MB in the beginning and 120.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:29:17,068 INFO L158 Benchmark]: RCFGBuilder took 510.27ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 98.5MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-12 12:29:17,069 INFO L158 Benchmark]: TraceAbstraction took 8521.85ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 97.8MB in the beginning and 152.9MB in the end (delta: -55.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-12 12:29:17,069 INFO L158 Benchmark]: Witness Printer took 62.54ms. Allocated memory is still 247.5MB. Free memory was 152.9MB in the beginning and 144.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 12:29:17,070 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.60ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 124.4MB in the end (delta: -23.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.45ms. Allocated memory is still 169.9MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.45ms. Allocated memory is still 169.9MB. Free memory was 122.2MB in the beginning and 120.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.27ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 98.5MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8521.85ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 97.8MB in the beginning and 152.9MB in the end (delta: -55.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 62.54ms. Allocated memory is still 247.5MB. Free memory was 152.9MB in the beginning and 144.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data[10]; VAL [data={1:0}] [L680] 0 pthread_mutex_t m[10]; VAL [data={1:0}, m={2:0}] [L688] 0 int i = 0; VAL [data={1:0}, i=0, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=0, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=1, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=1, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=2, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=2, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=3, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=3, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=4, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=4, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=5, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=5, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=6, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=6, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=7, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=7, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=8, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=8, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=9, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=9, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=10, m={2:0}] [L688] COND FALSE 0 !(i < 10) VAL [data={1:0}, i=10, m={2:0}] [L690] 0 pthread_t id; VAL [data={1:0}, m={2:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, id=-1, m={2:0}] [L683] EXPR 1 data[4] VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L683] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L693] EXPR 0 data[4] VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id=-1, m={2:0}] [L683] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L693] 0 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id=-1, m={2:0}] [L683] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L693] 0 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id=-1, m={2:0}] [L683] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L693] 0 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id=-1, m={2:0}] Now there is a data race (on the heap) between C: data[4]++ [683] and C: data[4]++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 165 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: 8.3s, OverallIterations: 8, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 531 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 408 mSDsluCounter, 105 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1307 IncrementalHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 10 mSDtfsCounter, 1307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 974 GetRequests, 848 SyntacticMatches, 11 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1764occurred in iteration=7, InterpolantAutomatonStates: 82, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1488 NumberOfCodeBlocks, 1438 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1651 ConstructedInterpolants, 0 QuantifiedInterpolants, 2549 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1171 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 365/888 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-12 12:29:17,101 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE