./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.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 a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:45:14,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:45:14,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:45:14,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:45:14,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:45:14,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:45:14,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:45:14,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:45:14,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:45:14,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:45:14,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:45:14,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:45:14,782 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:45:14,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:45:14,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:45:14,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:45:14,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:45:14,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:45:14,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:45:14,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:45:14,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:45:14,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:45:14,790 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:45:14,790 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:45:14,791 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:45:14,791 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:45:14,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:45:14,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:45:14,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:45:14,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:45:14,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:45:14,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:45:14,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:45:14,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:45:14,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:45:14,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:45:14,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:45:14,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:45:14,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:45:14,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:45:14,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:45:14,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2024-11-20 13:45:15,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:45:15,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:45:15,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:45:15,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:45:15,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:45:15,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2024-11-20 13:45:16,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:45:16,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:45:16,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2024-11-20 13:45:16,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9bbbe8f/4120c79a677249fbbbfaceb8715c54ee/FLAG86d78b42a [2024-11-20 13:45:17,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9bbbe8f/4120c79a677249fbbbfaceb8715c54ee [2024-11-20 13:45:17,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:45:17,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:45:17,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:45:17,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:45:17,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:45:17,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4dde8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17, skipping insertion in model container [2024-11-20 13:45:17,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:45:17,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:45:17,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:45:17,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:45:17,725 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:45:17,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17 WrapperNode [2024-11-20 13:45:17,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:45:17,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:45:17,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:45:17,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:45:17,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,792 INFO L138 Inliner]: procedures = 261, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-20 13:45:17,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:45:17,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:45:17,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:45:17,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:45:17,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:45:17,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:45:17,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:45:17,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:45:17,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (1/1) ... [2024-11-20 13:45:17,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:45:17,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:45:17,875 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) [2024-11-20 13:45:17,881 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 [2024-11-20 13:45:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 13:45:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 13:45:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:45:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-20 13:45:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-20 13:45:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:45:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:45:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:45:17,924 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:45:18,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:45:18,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:45:18,219 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:45:18,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:45:18,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:45:18,239 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:45:18,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:45:18 BoogieIcfgContainer [2024-11-20 13:45:18,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:45:18,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:45:18,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:45:18,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:45:18,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:45:17" (1/3) ... [2024-11-20 13:45:18,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da466a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:45:18, skipping insertion in model container [2024-11-20 13:45:18,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:45:17" (2/3) ... [2024-11-20 13:45:18,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da466a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:45:18, skipping insertion in model container [2024-11-20 13:45:18,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:45:18" (3/3) ... [2024-11-20 13:45:18,250 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2024-11-20 13:45:18,270 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:45:18,270 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-20 13:45:18,270 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:45:18,324 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 13:45:18,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 70 transitions, 144 flow [2024-11-20 13:45:18,418 INFO L124 PetriNetUnfolderBase]: 1/69 cut-off events. [2024-11-20 13:45:18,419 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:45:18,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 69 events. 1/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2024-11-20 13:45:18,426 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 70 transitions, 144 flow [2024-11-20 13:45:18,430 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 69 transitions, 141 flow [2024-11-20 13:45:18,437 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:45:18,444 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;@6661f719, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:45:18,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-20 13:45:18,455 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:45:18,455 INFO L124 PetriNetUnfolderBase]: 1/34 cut-off events. [2024-11-20 13:45:18,455 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:45:18,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:45:18,457 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] [2024-11-20 13:45:18,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-20 13:45:18,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:45:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash -665811186, now seen corresponding path program 1 times [2024-11-20 13:45:18,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:45:18,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403825808] [2024-11-20 13:45:18,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:45:18,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:45:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:45:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:45:19,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:45:19,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403825808] [2024-11-20 13:45:19,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403825808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:45:19,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:45:19,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:45:19,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670910467] [2024-11-20 13:45:19,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:45:19,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:45:19,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:45:19,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:45:19,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:45:19,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 70 [2024-11-20 13:45:19,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 141 flow. Second operand has 6 states, 6 states have (on average 54.166666666666664) internal successors, (325), 6 states have internal predecessors, (325), 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) [2024-11-20 13:45:19,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:45:19,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 70 [2024-11-20 13:45:19,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:45:19,715 INFO L124 PetriNetUnfolderBase]: 59/306 cut-off events. [2024-11-20 13:45:19,716 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:45:19,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 306 events. 59/306 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1413 event pairs, 20 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 420. Up to 110 conditions per place. [2024-11-20 13:45:19,725 INFO L140 encePairwiseOnDemand]: 59/70 looper letters, 16 selfloop transitions, 22 changer transitions 0/90 dead transitions. [2024-11-20 13:45:19,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 90 transitions, 259 flow [2024-11-20 13:45:19,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:45:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:45:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 357 transitions. [2024-11-20 13:45:19,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.85 [2024-11-20 13:45:19,748 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 141 flow. Second operand 6 states and 357 transitions. [2024-11-20 13:45:19,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 90 transitions, 259 flow [2024-11-20 13:45:19,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 90 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:45:19,760 INFO L231 Difference]: Finished difference. Result has 81 places, 90 transitions, 290 flow [2024-11-20 13:45:19,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=290, PETRI_PLACES=81, PETRI_TRANSITIONS=90} [2024-11-20 13:45:19,769 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, 9 predicate places. [2024-11-20 13:45:19,770 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 90 transitions, 290 flow [2024-11-20 13:45:19,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.166666666666664) internal successors, (325), 6 states have internal predecessors, (325), 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) [2024-11-20 13:45:19,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:45:19,770 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] [2024-11-20 13:45:19,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:45:19,771 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)] === [2024-11-20 13:45:19,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:45:19,772 INFO L85 PathProgramCache]: Analyzing trace with hash 941854793, now seen corresponding path program 1 times [2024-11-20 13:45:19,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:45:19,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515492722] [2024-11-20 13:45:19,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:45:19,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:45:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:45:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:45:20,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:45:20,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515492722] [2024-11-20 13:45:20,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515492722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:45:20,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:45:20,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:45:20,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352212969] [2024-11-20 13:45:20,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:45:20,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:45:20,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:45:20,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:45:20,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:45:20,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 70 [2024-11-20 13:45:20,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 90 transitions, 290 flow. Second operand has 6 states, 6 states have (on average 50.5) internal successors, (303), 6 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:45:20,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:45:20,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 70 [2024-11-20 13:45:20,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:45:20,427 INFO L124 PetriNetUnfolderBase]: 91/419 cut-off events. [2024-11-20 13:45:20,427 INFO L125 PetriNetUnfolderBase]: For 119/124 co-relation queries the response was YES. [2024-11-20 13:45:20,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 419 events. 91/419 cut-off events. For 119/124 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2258 event pairs, 24 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 759. Up to 173 conditions per place. [2024-11-20 13:45:20,433 INFO L140 encePairwiseOnDemand]: 59/70 looper letters, 33 selfloop transitions, 26 changer transitions 0/111 dead transitions. [2024-11-20 13:45:20,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 111 transitions, 468 flow [2024-11-20 13:45:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:45:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:45:20,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 337 transitions. [2024-11-20 13:45:20,438 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8023809523809524 [2024-11-20 13:45:20,440 INFO L175 Difference]: Start difference. First operand has 81 places, 90 transitions, 290 flow. Second operand 6 states and 337 transitions. [2024-11-20 13:45:20,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 111 transitions, 468 flow [2024-11-20 13:45:20,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 111 transitions, 468 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:45:20,447 INFO L231 Difference]: Finished difference. Result has 91 places, 111 transitions, 474 flow [2024-11-20 13:45:20,448 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=91, PETRI_TRANSITIONS=111} [2024-11-20 13:45:20,449 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, 19 predicate places. [2024-11-20 13:45:20,449 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 111 transitions, 474 flow [2024-11-20 13:45:20,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.5) internal successors, (303), 6 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:45:20,450 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:45:20,450 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] [2024-11-20 13:45:20,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:45:20,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-20 13:45:20,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:45:20,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1446777837, now seen corresponding path program 1 times [2024-11-20 13:45:20,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:45:20,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030893580] [2024-11-20 13:45:20,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:45:20,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:45:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:45:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:45:20,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:45:20,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030893580] [2024-11-20 13:45:20,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030893580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:45:20,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:45:20,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:45:20,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638435432] [2024-11-20 13:45:20,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:45:20,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:45:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:45:20,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:45:20,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:45:20,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 70 [2024-11-20 13:45:20,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 111 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:45:20,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:45:20,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 70 [2024-11-20 13:45:20,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:45:21,110 INFO L124 PetriNetUnfolderBase]: 197/698 cut-off events. [2024-11-20 13:45:21,110 INFO L125 PetriNetUnfolderBase]: For 456/470 co-relation queries the response was YES. [2024-11-20 13:45:21,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1732 conditions, 698 events. 197/698 cut-off events. For 456/470 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4026 event pairs, 35 based on Foata normal form. 1/663 useless extension candidates. Maximal degree in co-relation 1694. Up to 352 conditions per place. [2024-11-20 13:45:21,117 INFO L140 encePairwiseOnDemand]: 55/70 looper letters, 58 selfloop transitions, 53 changer transitions 0/158 dead transitions. [2024-11-20 13:45:21,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 158 transitions, 924 flow [2024-11-20 13:45:21,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:45:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:45:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 343 transitions. [2024-11-20 13:45:21,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8166666666666667 [2024-11-20 13:45:21,119 INFO L175 Difference]: Start difference. First operand has 91 places, 111 transitions, 474 flow. Second operand 6 states and 343 transitions. [2024-11-20 13:45:21,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 158 transitions, 924 flow [2024-11-20 13:45:21,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 158 transitions, 924 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:45:21,128 INFO L231 Difference]: Finished difference. Result has 101 places, 158 transitions, 956 flow [2024-11-20 13:45:21,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=956, PETRI_PLACES=101, PETRI_TRANSITIONS=158} [2024-11-20 13:45:21,130 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, 29 predicate places. [2024-11-20 13:45:21,130 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 158 transitions, 956 flow [2024-11-20 13:45:21,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:45:21,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:45:21,131 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] [2024-11-20 13:45:21,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:45:21,131 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)] === [2024-11-20 13:45:21,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:45:21,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1623437392, now seen corresponding path program 1 times [2024-11-20 13:45:21,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:45:21,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926402286] [2024-11-20 13:45:21,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:45:21,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:45:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:45:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:45:21,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:45:21,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926402286] [2024-11-20 13:45:21,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926402286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:45:21,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:45:21,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:45:21,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071528876] [2024-11-20 13:45:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:45:21,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:45:21,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:45:21,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:45:21,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:45:21,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 70 [2024-11-20 13:45:21,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 158 transitions, 956 flow. Second operand has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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) [2024-11-20 13:45:21,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:45:21,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 70 [2024-11-20 13:45:21,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:45:21,664 INFO L124 PetriNetUnfolderBase]: 308/969 cut-off events. [2024-11-20 13:45:21,664 INFO L125 PetriNetUnfolderBase]: For 1322/1355 co-relation queries the response was YES. [2024-11-20 13:45:21,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2985 conditions, 969 events. 308/969 cut-off events. For 1322/1355 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6077 event pairs, 49 based on Foata normal form. 3/944 useless extension candidates. Maximal degree in co-relation 2939. Up to 515 conditions per place. [2024-11-20 13:45:21,673 INFO L140 encePairwiseOnDemand]: 55/70 looper letters, 99 selfloop transitions, 61 changer transitions 6/211 dead transitions. [2024-11-20 13:45:21,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 211 transitions, 1618 flow [2024-11-20 13:45:21,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:45:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:45:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 323 transitions. [2024-11-20 13:45:21,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7690476190476191 [2024-11-20 13:45:21,679 INFO L175 Difference]: Start difference. First operand has 101 places, 158 transitions, 956 flow. Second operand 6 states and 323 transitions. [2024-11-20 13:45:21,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 211 transitions, 1618 flow [2024-11-20 13:45:21,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 211 transitions, 1554 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-20 13:45:21,697 INFO L231 Difference]: Finished difference. Result has 111 places, 205 transitions, 1478 flow [2024-11-20 13:45:21,698 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1478, PETRI_PLACES=111, PETRI_TRANSITIONS=205} [2024-11-20 13:45:21,699 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, 39 predicate places. [2024-11-20 13:45:21,699 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 205 transitions, 1478 flow [2024-11-20 13:45:21,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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) [2024-11-20 13:45:21,700 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:45:21,700 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:45:21,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:45:21,701 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-20 13:45:21,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:45:21,703 INFO L85 PathProgramCache]: Analyzing trace with hash 728113247, now seen corresponding path program 1 times [2024-11-20 13:45:21,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:45:21,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573520687] [2024-11-20 13:45:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:45:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:45:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 13:45:21,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 13:45:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 13:45:21,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 13:45:21,786 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 13:45:21,787 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-20 13:45:21,789 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-20 13:45:21,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-20 13:45:21,790 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-20 13:45:21,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-20 13:45:21,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-20 13:45:21,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-20 13:45:21,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:45:21,792 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 13:45:21,842 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:45:21,843 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:45:21,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:45:21 BasicIcfg [2024-11-20 13:45:21,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:45:21,853 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:45:21,853 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:45:21,853 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:45:21,854 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:45:18" (3/4) ... [2024-11-20 13:45:21,855 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-20 13:45:21,915 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:45:21,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:45:21,918 INFO L158 Benchmark]: Toolchain (without parser) took 4766.25ms. Allocated memory was 119.5MB in the beginning and 201.3MB in the end (delta: 81.8MB). Free memory was 60.9MB in the beginning and 77.0MB in the end (delta: -16.1MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2024-11-20 13:45:21,918 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:45:21,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.24ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 60.7MB in the beginning and 110.0MB in the end (delta: -49.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-20 13:45:21,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.58ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 107.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:45:21,919 INFO L158 Benchmark]: Boogie Preprocessor took 43.33ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 105.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:45:21,920 INFO L158 Benchmark]: RCFGBuilder took 398.82ms. Allocated memory is still 161.5MB. Free memory was 105.9MB in the beginning and 91.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 13:45:21,921 INFO L158 Benchmark]: TraceAbstraction took 3610.63ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 90.8MB in the beginning and 80.1MB in the end (delta: 10.6MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-20 13:45:21,921 INFO L158 Benchmark]: Witness Printer took 62.64ms. Allocated memory is still 201.3MB. Free memory was 80.1MB in the beginning and 77.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:45:21,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.24ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 60.7MB in the beginning and 110.0MB in the end (delta: -49.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.58ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 107.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.33ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 105.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.82ms. Allocated memory is still 161.5MB. Free memory was 105.9MB in the beginning and 91.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3610.63ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 90.8MB in the beginning and 80.1MB in the end (delta: 10.6MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 62.64ms. Allocated memory is still 201.3MB. Free memory was 80.1MB in the beginning and 77.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}, j=1] [L928] 0 pthread_t id; VAL [data={1:0}, j=1] [L929] COND TRUE 0 \read(j) VAL [data={1:0}, j=1] [L929] 0 i = &data.x VAL [data={1:0}, i={1:0}, j=1] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L932] EXPR 0 \read(*i) VAL [\old(arg)={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L923] EXPR 1 data.x VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L923] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L923] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L923] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L923] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i={1:0}, id=-1, j=1] Now there is a data race (on the heap) between C: data.x++ [923] and C: (*i)++ [932] - 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: 931]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 94 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 765 IncrementalHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 3 mSDtfsCounter, 765 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1478occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-20 13:45:21,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE