./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.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 e3884759389c7a3b94642e5e46b4f06a5e829be11d2d026f21d000ba598ae6cd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:49:03,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:49:03,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:49:03,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:49:03,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:49:03,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:49:03,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:49:03,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:49:03,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:49:03,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:49:03,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:49:03,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:49:03,231 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:49:03,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:49:03,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:49:03,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:49:03,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:49:03,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:49:03,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:49:03,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:49:03,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:49:03,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:49:03,237 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:49:03,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:49:03,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:49:03,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:49:03,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:49:03,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:49:03,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:49:03,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:49:03,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:49:03,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:49:03,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:49:03,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:49:03,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:49:03,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:49:03,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:49:03,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:49:03,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:49:03,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:49:03,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:49:03,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3884759389c7a3b94642e5e46b4f06a5e829be11d2d026f21d000ba598ae6cd [2024-11-22 17:49:03,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:49:03,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:49:03,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:49:03,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:49:03,523 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:49:03,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i [2024-11-22 17:49:04,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:49:05,216 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:49:05,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i [2024-11-22 17:49:05,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4baf330d9/a2d6d5c9e665410fa1aedb81b86bb7c4/FLAGccbbb8d2f [2024-11-22 17:49:05,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4baf330d9/a2d6d5c9e665410fa1aedb81b86bb7c4 [2024-11-22 17:49:05,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:49:05,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:49:05,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:49:05,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:49:05,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:49:05,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:05,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621943bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05, skipping insertion in model container [2024-11-22 17:49:05,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:05,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:49:05,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:49:05,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:49:05,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:49:05,944 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:49:05,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05 WrapperNode [2024-11-22 17:49:05,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:49:05,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:49:05,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:49:05,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:49:05,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:05,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,018 INFO L138 Inliner]: procedures = 265, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 154 [2024-11-22 17:49:06,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:49:06,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:49:06,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:49:06,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:49:06,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:49:06,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:49:06,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:49:06,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:49:06,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (1/1) ... [2024-11-22 17:49:06,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:49:06,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:49:06,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:49:06,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:49:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:49:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:49:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:49:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:49:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:49:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:49:06,176 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:49:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:49:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:49:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:49:06,178 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:49:06,300 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:49:06,302 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:49:06,619 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:49:06,619 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:49:06,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:49:06,658 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 17:49:06,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:49:06 BoogieIcfgContainer [2024-11-22 17:49:06,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:49:06,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:49:06,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:49:06,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:49:06,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:49:05" (1/3) ... [2024-11-22 17:49:06,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7468f21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:49:06, skipping insertion in model container [2024-11-22 17:49:06,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:49:05" (2/3) ... [2024-11-22 17:49:06,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7468f21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:49:06, skipping insertion in model container [2024-11-22 17:49:06,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:49:06" (3/3) ... [2024-11-22 17:49:06,668 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_09-tricky_address4.i [2024-11-22 17:49:06,685 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:49:06,686 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 17:49:06,686 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:49:06,765 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:49:06,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 164 transitions, 332 flow [2024-11-22 17:49:06,872 INFO L124 PetriNetUnfolderBase]: 4/163 cut-off events. [2024-11-22 17:49:06,873 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:49:06,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 163 events. 4/163 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2024-11-22 17:49:06,879 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 164 transitions, 332 flow [2024-11-22 17:49:06,883 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 163 transitions, 329 flow [2024-11-22 17:49:06,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:49:06,899 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;@1cc2c353, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:49:06,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 17:49:06,951 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:49:06,955 INFO L124 PetriNetUnfolderBase]: 4/113 cut-off events. [2024-11-22 17:49:06,955 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:49:06,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:06,960 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:06,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:06,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:06,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2026056588, now seen corresponding path program 1 times [2024-11-22 17:49:06,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:06,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740541827] [2024-11-22 17:49:06,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:06,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:07,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:07,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740541827] [2024-11-22 17:49:07,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740541827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:07,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:07,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:49:07,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923867739] [2024-11-22 17:49:07,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:07,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:49:07,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:07,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:49:07,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:49:07,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 164 [2024-11-22 17:49:07,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 163 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:07,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:07,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 164 [2024-11-22 17:49:07,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:07,603 INFO L124 PetriNetUnfolderBase]: 7/224 cut-off events. [2024-11-22 17:49:07,604 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:49:07,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 224 events. 7/224 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 331 event pairs, 6 based on Foata normal form. 5/217 useless extension candidates. Maximal degree in co-relation 147. Up to 24 conditions per place. [2024-11-22 17:49:07,608 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 10 selfloop transitions, 2 changer transitions 1/161 dead transitions. [2024-11-22 17:49:07,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 349 flow [2024-11-22 17:49:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:49:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:49:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-11-22 17:49:07,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9491869918699187 [2024-11-22 17:49:07,625 INFO L175 Difference]: Start difference. First operand has 163 places, 163 transitions, 329 flow. Second operand 3 states and 467 transitions. [2024-11-22 17:49:07,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 349 flow [2024-11-22 17:49:07,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:49:07,638 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 332 flow [2024-11-22 17:49:07,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=165, PETRI_TRANSITIONS=160} [2024-11-22 17:49:07,644 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 2 predicate places. [2024-11-22 17:49:07,646 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 332 flow [2024-11-22 17:49:07,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:07,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:07,648 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:07,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:49:07,649 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:07,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:07,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2050415652, now seen corresponding path program 1 times [2024-11-22 17:49:07,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:07,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30774069] [2024-11-22 17:49:07,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:07,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:07,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:07,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30774069] [2024-11-22 17:49:07,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30774069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:49:07,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987214321] [2024-11-22 17:49:07,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:07,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:49:07,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:49:07,868 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) [2024-11-22 17:49:07,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 17:49:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:08,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 17:49:08,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:49:08,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:08,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:49:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:08,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987214321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:49:08,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:49:08,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 17:49:08,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632722743] [2024-11-22 17:49:08,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:49:08,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 17:49:08,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:08,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 17:49:08,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 17:49:08,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164 [2024-11-22 17:49:08,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 332 flow. Second operand has 10 states, 10 states have (on average 149.0) internal successors, (1490), 10 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:08,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:08,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164 [2024-11-22 17:49:08,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:08,378 INFO L124 PetriNetUnfolderBase]: 7/230 cut-off events. [2024-11-22 17:49:08,378 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:49:08,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 230 events. 7/230 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 324 event pairs, 6 based on Foata normal form. 2/221 useless extension candidates. Maximal degree in co-relation 194. Up to 24 conditions per place. [2024-11-22 17:49:08,381 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 14 selfloop transitions, 9 changer transitions 0/168 dead transitions. [2024-11-22 17:49:08,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 168 transitions, 396 flow [2024-11-22 17:49:08,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 17:49:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 17:49:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1348 transitions. [2024-11-22 17:49:08,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9132791327913279 [2024-11-22 17:49:08,389 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 332 flow. Second operand 9 states and 1348 transitions. [2024-11-22 17:49:08,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 168 transitions, 396 flow [2024-11-22 17:49:08,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:49:08,395 INFO L231 Difference]: Finished difference. Result has 174 places, 166 transitions, 380 flow [2024-11-22 17:49:08,396 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=380, PETRI_PLACES=174, PETRI_TRANSITIONS=166} [2024-11-22 17:49:08,397 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 11 predicate places. [2024-11-22 17:49:08,397 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 166 transitions, 380 flow [2024-11-22 17:49:08,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 149.0) internal successors, (1490), 10 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:08,399 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:08,399 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:08,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 17:49:08,600 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 [2024-11-22 17:49:08,601 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:08,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:08,601 INFO L85 PathProgramCache]: Analyzing trace with hash -307645988, now seen corresponding path program 2 times [2024-11-22 17:49:08,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:08,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084408153] [2024-11-22 17:49:08,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:49:08,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:08,630 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:49:08,631 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 17:49:09,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:09,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084408153] [2024-11-22 17:49:09,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084408153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:09,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:09,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068826977] [2024-11-22 17:49:09,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:09,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:09,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:09,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:09,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:09,714 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 164 [2024-11-22 17:49:09,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 166 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 138.66666666666666) internal successors, (832), 6 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:09,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:09,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 164 [2024-11-22 17:49:09,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:09,893 INFO L124 PetriNetUnfolderBase]: 129/671 cut-off events. [2024-11-22 17:49:09,894 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-22 17:49:09,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1001 conditions, 671 events. 129/671 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3491 event pairs, 46 based on Foata normal form. 0/612 useless extension candidates. Maximal degree in co-relation 888. Up to 178 conditions per place. [2024-11-22 17:49:09,899 INFO L140 encePairwiseOnDemand]: 153/164 looper letters, 43 selfloop transitions, 22 changer transitions 0/207 dead transitions. [2024-11-22 17:49:09,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 207 transitions, 592 flow [2024-11-22 17:49:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 888 transitions. [2024-11-22 17:49:09,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9024390243902439 [2024-11-22 17:49:09,902 INFO L175 Difference]: Start difference. First operand has 174 places, 166 transitions, 380 flow. Second operand 6 states and 888 transitions. [2024-11-22 17:49:09,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 207 transitions, 592 flow [2024-11-22 17:49:09,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 207 transitions, 586 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-22 17:49:09,907 INFO L231 Difference]: Finished difference. Result has 182 places, 188 transitions, 520 flow [2024-11-22 17:49:09,908 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=520, PETRI_PLACES=182, PETRI_TRANSITIONS=188} [2024-11-22 17:49:09,908 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 19 predicate places. [2024-11-22 17:49:09,908 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 188 transitions, 520 flow [2024-11-22 17:49:09,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.66666666666666) internal successors, (832), 6 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:09,909 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:09,910 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:09,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:49:09,910 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:09,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:09,911 INFO L85 PathProgramCache]: Analyzing trace with hash -434552530, now seen corresponding path program 1 times [2024-11-22 17:49:09,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:09,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52085216] [2024-11-22 17:49:09,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:09,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:10,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:10,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:10,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52085216] [2024-11-22 17:49:10,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52085216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:49:10,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263333035] [2024-11-22 17:49:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:10,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:49:10,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:49:10,143 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) [2024-11-22 17:49:10,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 17:49:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:10,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 17:49:10,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:49:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:10,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:49:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:10,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263333035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:49:10,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:49:10,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-22 17:49:10,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358183008] [2024-11-22 17:49:10,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:49:10,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 17:49:10,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:10,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 17:49:10,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-22 17:49:10,445 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164 [2024-11-22 17:49:10,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 188 transitions, 520 flow. Second operand has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:10,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:10,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164 [2024-11-22 17:49:10,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:10,753 INFO L124 PetriNetUnfolderBase]: 41/506 cut-off events. [2024-11-22 17:49:10,753 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-11-22 17:49:10,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 506 events. 41/506 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2211 event pairs, 16 based on Foata normal form. 4/483 useless extension candidates. Maximal degree in co-relation 629. Up to 55 conditions per place. [2024-11-22 17:49:10,759 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 18 selfloop transitions, 21 changer transitions 0/206 dead transitions. [2024-11-22 17:49:10,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 206 transitions, 686 flow [2024-11-22 17:49:10,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 17:49:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-22 17:49:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3130 transitions. [2024-11-22 17:49:10,768 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9088269454123112 [2024-11-22 17:49:10,769 INFO L175 Difference]: Start difference. First operand has 182 places, 188 transitions, 520 flow. Second operand 21 states and 3130 transitions. [2024-11-22 17:49:10,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 206 transitions, 686 flow [2024-11-22 17:49:10,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 206 transitions, 686 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:49:10,779 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 650 flow [2024-11-22 17:49:10,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=650, PETRI_PLACES=207, PETRI_TRANSITIONS=201} [2024-11-22 17:49:10,781 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 44 predicate places. [2024-11-22 17:49:10,781 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 650 flow [2024-11-22 17:49:10,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:10,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:10,784 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:10,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 17:49:10,984 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,SelfDestructingSolverStorable3 [2024-11-22 17:49:10,985 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:10,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:10,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1059988178, now seen corresponding path program 2 times [2024-11-22 17:49:10,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:10,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423855160] [2024-11-22 17:49:10,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:49:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:11,009 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:49:11,010 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 17:49:11,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:11,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423855160] [2024-11-22 17:49:11,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423855160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:11,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:11,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:11,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189707384] [2024-11-22 17:49:11,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:11,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:11,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:11,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:11,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:12,072 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 164 [2024-11-22 17:49:12,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 133.66666666666666) internal successors, (802), 6 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:12,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:12,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 164 [2024-11-22 17:49:12,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:12,354 INFO L124 PetriNetUnfolderBase]: 306/1340 cut-off events. [2024-11-22 17:49:12,355 INFO L125 PetriNetUnfolderBase]: For 280/290 co-relation queries the response was YES. [2024-11-22 17:49:12,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2507 conditions, 1340 events. 306/1340 cut-off events. For 280/290 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 9088 event pairs, 116 based on Foata normal form. 5/1232 useless extension candidates. Maximal degree in co-relation 2310. Up to 464 conditions per place. [2024-11-22 17:49:12,364 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 72 selfloop transitions, 36 changer transitions 2/258 dead transitions. [2024-11-22 17:49:12,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 258 transitions, 1022 flow [2024-11-22 17:49:12,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions. [2024-11-22 17:49:12,367 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8882113821138211 [2024-11-22 17:49:12,367 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 650 flow. Second operand 6 states and 874 transitions. [2024-11-22 17:49:12,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 258 transitions, 1022 flow [2024-11-22 17:49:12,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 258 transitions, 998 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-22 17:49:12,375 INFO L231 Difference]: Finished difference. Result has 210 places, 233 transitions, 878 flow [2024-11-22 17:49:12,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=878, PETRI_PLACES=210, PETRI_TRANSITIONS=233} [2024-11-22 17:49:12,376 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 47 predicate places. [2024-11-22 17:49:12,376 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 233 transitions, 878 flow [2024-11-22 17:49:12,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.66666666666666) internal successors, (802), 6 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:12,377 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:12,378 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:12,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:49:12,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:12,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:12,379 INFO L85 PathProgramCache]: Analyzing trace with hash 949760636, now seen corresponding path program 1 times [2024-11-22 17:49:12,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:12,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182177654] [2024-11-22 17:49:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:12,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:12,718 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:12,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:12,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182177654] [2024-11-22 17:49:12,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182177654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:49:12,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804499822] [2024-11-22 17:49:12,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:12,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:49:12,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:49:12,723 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) [2024-11-22 17:49:12,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 17:49:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:12,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 17:49:12,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:49:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:12,923 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:49:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:49:13,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804499822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:49:13,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:49:13,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-22 17:49:13,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256822707] [2024-11-22 17:49:13,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:49:13,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 17:49:13,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:13,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 17:49:13,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-22 17:49:13,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 164 [2024-11-22 17:49:13,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 233 transitions, 878 flow. Second operand has 23 states, 23 states have (on average 149.08695652173913) internal successors, (3429), 23 states have internal predecessors, (3429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:13,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:13,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 164 [2024-11-22 17:49:13,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:13,630 INFO L124 PetriNetUnfolderBase]: 120/944 cut-off events. [2024-11-22 17:49:13,630 INFO L125 PetriNetUnfolderBase]: For 413/413 co-relation queries the response was YES. [2024-11-22 17:49:13,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1844 conditions, 944 events. 120/944 cut-off events. For 413/413 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5990 event pairs, 33 based on Foata normal form. 3/888 useless extension candidates. Maximal degree in co-relation 1568. Up to 134 conditions per place. [2024-11-22 17:49:13,637 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 21 selfloop transitions, 30 changer transitions 0/250 dead transitions. [2024-11-22 17:49:13,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 250 transitions, 1102 flow [2024-11-22 17:49:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 17:49:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-22 17:49:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4464 transitions. [2024-11-22 17:49:13,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9073170731707317 [2024-11-22 17:49:13,646 INFO L175 Difference]: Start difference. First operand has 210 places, 233 transitions, 878 flow. Second operand 30 states and 4464 transitions. [2024-11-22 17:49:13,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 250 transitions, 1102 flow [2024-11-22 17:49:13,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 250 transitions, 1078 flow, removed 12 selfloop flow, removed 0 redundant places. [2024-11-22 17:49:13,655 INFO L231 Difference]: Finished difference. Result has 242 places, 243 transitions, 1006 flow [2024-11-22 17:49:13,655 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1006, PETRI_PLACES=242, PETRI_TRANSITIONS=243} [2024-11-22 17:49:13,657 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 79 predicate places. [2024-11-22 17:49:13,659 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 243 transitions, 1006 flow [2024-11-22 17:49:13,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 149.08695652173913) internal successors, (3429), 23 states have internal predecessors, (3429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:13,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:13,661 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:13,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 17:49:13,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:49:13,867 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:13,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:13,867 INFO L85 PathProgramCache]: Analyzing trace with hash -350299956, now seen corresponding path program 2 times [2024-11-22 17:49:13,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:13,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433258800] [2024-11-22 17:49:13,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:49:13,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:13,889 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:49:13,890 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:49:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:49:14,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:14,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433258800] [2024-11-22 17:49:14,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433258800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:14,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:14,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:14,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031683788] [2024-11-22 17:49:14,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:14,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:14,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:14,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:14,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:14,668 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 164 [2024-11-22 17:49:14,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 243 transitions, 1006 flow. Second operand has 6 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:14,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:14,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 164 [2024-11-22 17:49:14,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:14,950 INFO L124 PetriNetUnfolderBase]: 306/1461 cut-off events. [2024-11-22 17:49:14,950 INFO L125 PetriNetUnfolderBase]: For 881/921 co-relation queries the response was YES. [2024-11-22 17:49:14,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3328 conditions, 1461 events. 306/1461 cut-off events. For 881/921 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 10367 event pairs, 72 based on Foata normal form. 10/1424 useless extension candidates. Maximal degree in co-relation 3050. Up to 456 conditions per place. [2024-11-22 17:49:14,962 INFO L140 encePairwiseOnDemand]: 153/164 looper letters, 80 selfloop transitions, 49 changer transitions 0/309 dead transitions. [2024-11-22 17:49:14,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 309 transitions, 1563 flow [2024-11-22 17:49:14,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:14,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 893 transitions. [2024-11-22 17:49:14,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.907520325203252 [2024-11-22 17:49:14,965 INFO L175 Difference]: Start difference. First operand has 242 places, 243 transitions, 1006 flow. Second operand 6 states and 893 transitions. [2024-11-22 17:49:14,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 309 transitions, 1563 flow [2024-11-22 17:49:14,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 309 transitions, 1517 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-22 17:49:14,978 INFO L231 Difference]: Finished difference. Result has 233 places, 284 transitions, 1376 flow [2024-11-22 17:49:14,979 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1376, PETRI_PLACES=233, PETRI_TRANSITIONS=284} [2024-11-22 17:49:14,980 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 70 predicate places. [2024-11-22 17:49:14,980 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 284 transitions, 1376 flow [2024-11-22 17:49:14,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:14,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:14,981 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:14,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:49:14,981 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:14,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:14,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1240008017, now seen corresponding path program 1 times [2024-11-22 17:49:14,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:14,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162572335] [2024-11-22 17:49:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:14,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:49:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-22 17:49:15,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:49:15,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162572335] [2024-11-22 17:49:15,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162572335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:49:15,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:49:15,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:49:15,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212455951] [2024-11-22 17:49:15,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:49:15,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:49:15,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:49:15,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:49:15,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:49:15,914 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 164 [2024-11-22 17:49:15,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 284 transitions, 1376 flow. Second operand has 6 states, 6 states have (on average 134.66666666666666) internal successors, (808), 6 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:15,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:49:15,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 164 [2024-11-22 17:49:15,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:49:16,415 INFO L124 PetriNetUnfolderBase]: 579/2228 cut-off events. [2024-11-22 17:49:16,415 INFO L125 PetriNetUnfolderBase]: For 2430/2490 co-relation queries the response was YES. [2024-11-22 17:49:16,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5903 conditions, 2228 events. 579/2228 cut-off events. For 2430/2490 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 17336 event pairs, 140 based on Foata normal form. 12/2155 useless extension candidates. Maximal degree in co-relation 5642. Up to 824 conditions per place. [2024-11-22 17:49:16,431 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 119 selfloop transitions, 78 changer transitions 11/378 dead transitions. [2024-11-22 17:49:16,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 378 transitions, 2316 flow [2024-11-22 17:49:16,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:49:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:49:16,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 879 transitions. [2024-11-22 17:49:16,434 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8932926829268293 [2024-11-22 17:49:16,434 INFO L175 Difference]: Start difference. First operand has 233 places, 284 transitions, 1376 flow. Second operand 6 states and 879 transitions. [2024-11-22 17:49:16,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 378 transitions, 2316 flow [2024-11-22 17:49:16,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 378 transitions, 2314 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-22 17:49:16,453 INFO L231 Difference]: Finished difference. Result has 242 places, 332 transitions, 1980 flow [2024-11-22 17:49:16,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=1374, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1980, PETRI_PLACES=242, PETRI_TRANSITIONS=332} [2024-11-22 17:49:16,455 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 79 predicate places. [2024-11-22 17:49:16,456 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 332 transitions, 1980 flow [2024-11-22 17:49:16,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 134.66666666666666) internal successors, (808), 6 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:49:16,457 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:49:16,457 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:49:16,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:49:16,457 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-22 17:49:16,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:49:16,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1672050417, now seen corresponding path program 1 times [2024-11-22 17:49:16,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:49:16,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754474518] [2024-11-22 17:49:16,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:49:16,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:49:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 17:49:16,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 17:49:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 17:49:16,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 17:49:16,575 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 17:49:16,577 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-22 17:49:16,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-22 17:49:16,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-22 17:49:16,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-22 17:49:16,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-22 17:49:16,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-22 17:49:16,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-22 17:49:16,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:49:16,580 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1] [2024-11-22 17:49:16,642 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:49:16,642 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:49:16,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:49:16 BasicIcfg [2024-11-22 17:49:16,646 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:49:16,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:49:16,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:49:16,647 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:49:16,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:49:06" (3/4) ... [2024-11-22 17:49:16,649 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 17:49:16,715 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:49:16,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:49:16,716 INFO L158 Benchmark]: Toolchain (without parser) took 11460.98ms. Allocated memory was 163.6MB in the beginning and 308.3MB in the end (delta: 144.7MB). Free memory was 106.5MB in the beginning and 131.1MB in the end (delta: -24.6MB). Peak memory consumption was 119.8MB. Max. memory is 16.1GB. [2024-11-22 17:49:16,716 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:49:16,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.39ms. Allocated memory is still 163.6MB. Free memory was 106.2MB in the beginning and 110.3MB in the end (delta: -4.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 17:49:16,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.21ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 106.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:49:16,717 INFO L158 Benchmark]: Boogie Preprocessor took 54.56ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:49:16,717 INFO L158 Benchmark]: RCFGBuilder took 584.04ms. Allocated memory is still 163.6MB. Free memory was 104.8MB in the beginning and 82.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-22 17:49:16,718 INFO L158 Benchmark]: TraceAbstraction took 9985.67ms. Allocated memory was 163.6MB in the beginning and 308.3MB in the end (delta: 144.7MB). Free memory was 81.7MB in the beginning and 139.5MB in the end (delta: -57.8MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2024-11-22 17:49:16,718 INFO L158 Benchmark]: Witness Printer took 68.58ms. Allocated memory is still 308.3MB. Free memory was 139.5MB in the beginning and 131.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 17:49:16,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.39ms. Allocated memory is still 163.6MB. Free memory was 106.2MB in the beginning and 110.3MB in the end (delta: -4.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.21ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 106.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.56ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.04ms. Allocated memory is still 163.6MB. Free memory was 104.8MB in the beginning and 82.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9985.67ms. Allocated memory was 163.6MB in the beginning and 308.3MB in the end (delta: 144.7MB). Free memory was 81.7MB in the beginning and 139.5MB in the end (delta: -57.8MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. * Witness Printer took 68.58ms. Allocated memory is still 308.3MB. Free memory was 139.5MB in the beginning and 131.1MB 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: 944]: Data race detected Data race detected The following path leads to a data race: [L922-L925] 0 struct s { int datum; pthread_mutex_t mutex; } a[10]; VAL [a={1:0}] [L937] 0 int i = 0; VAL [a={1:0}, i=0] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=0] [L937] 0 i++ VAL [a={1:0}, i=1] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=1] [L937] 0 i++ VAL [a={1:0}, i=2] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=2] [L937] 0 i++ VAL [a={1:0}, i=3] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=3] [L937] 0 i++ VAL [a={1:0}, i=4] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=4] [L937] 0 i++ VAL [a={1:0}, i=5] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=5] [L937] 0 i++ VAL [a={1:0}, i=6] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=6] [L937] 0 i++ VAL [a={1:0}, i=7] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=7] [L937] 0 i++ VAL [a={1:0}, i=8] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=8] [L937] 0 i++ VAL [a={1:0}, i=9] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=9] [L937] 0 i++ VAL [a={1:0}, i=10] [L937] COND FALSE 0 !(i < 10) VAL [a={1:0}, i=10] [L939] 0 int i = __VERIFIER_nondet_int(); VAL [a={1:0}, i=9] [L940] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, a={1:0}, cond=1] [L940] RET 0 assume_abort_if_not(0 <= i && i < 10) [L941] 0 pthread_t t1; VAL [a={1:0}, i=9] [L942] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [a={1:0}, i=9, t1=-1] [L927] 1 int i = __VERIFIER_nondet_int(); VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=8] [L928] CALL 1 assume_abort_if_not(0 <= i && i < 9) [L11] COND FALSE 1 !(!cond) VAL [\old(cond)=1, a={1:0}, cond=1] [L928] RET 1 assume_abort_if_not(0 <= i && i < 9) [L929] 1 struct s *p = &a[i]; VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=8, p={1:224}] [L931] 1 i++ VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=9, p={1:224}] [L944] EXPR 0 a[i].datum VAL [a={1:0}, i=9, t1=-1] [L944] 0 a[i].datum++ VAL [a={1:0}, i=9, t1=-1] [L932] EXPR 1 a[i].datum VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=9, p={1:224}] [L932] 1 a[i].datum++ VAL [\old(arg)={0:0}, a={1:0}, arg={0:0}, i=9, p={1:224}] [L944] 0 a[i].datum++ VAL [a={1:0}, i=9, t1=-1] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: a[i].datum++ [944] * C: a[i].datum++ [944] * C: a[i].datum++ [932] * C: a[i].datum++ [944] * C: a[i].datum++ [944] and C: a[i].datum++ [944] - UnprovableResult [Line: 944]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 942]: 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: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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, 204 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.8s, OverallIterations: 9, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1756 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1322 mSDsluCounter, 181 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3057 IncrementalHoareTripleChecker+Invalid, 3179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 109 mSDtfsCounter, 3057 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 802 GetRequests, 695 SyntacticMatches, 11 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1980occurred in iteration=8, InterpolantAutomatonStates: 87, 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, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1549 NumberOfCodeBlocks, 1449 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 2532 SizeOfPredicates, 22 NumberOfNonLiveVariables, 760 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 600/993 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! [2024-11-22 17:49:16,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE