./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.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/02-base_25-malloc_race_cp.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 1bf1a57452cb04c4e0acc7059a368e9894233cf719b7dca68f11bd8477a0c6ed --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:47:58,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:47:58,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:47:58,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:47:58,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:47:58,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:47:58,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:47:58,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:47:58,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:47:58,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:47:58,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:47:58,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:47:58,218 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:47:58,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:47:58,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:47:58,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:47:58,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:47:58,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:47:58,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:47:58,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:47:58,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:47:58,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:47:58,222 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:47:58,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:47:58,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:47:58,223 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:47:58,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:47:58,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:47:58,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:47:58,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:47:58,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:47:58,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:47:58,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:47:58,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:47:58,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:47:58,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:47:58,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:47:58,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:47:58,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:47:58,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:47:58,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:47:58,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bf1a57452cb04c4e0acc7059a368e9894233cf719b7dca68f11bd8477a0c6ed [2024-11-22 17:47:58,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:47:58,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:47:58,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:47:58,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:47:58,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:47:58,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i [2024-11-22 17:47:59,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:48:00,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:48:00,257 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i [2024-11-22 17:48:00,274 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/111f44503/bdcfe700472b4abe8d3d14e96317c878/FLAG4fb642e5b [2024-11-22 17:48:00,294 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/111f44503/bdcfe700472b4abe8d3d14e96317c878 [2024-11-22 17:48:00,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:48:00,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:48:00,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:48:00,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:48:00,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:48:00,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:48:00" (1/1) ... [2024-11-22 17:48:00,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7e2537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:00, skipping insertion in model container [2024-11-22 17:48:00,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:48:00" (1/1) ... [2024-11-22 17:48:00,360 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:48:00,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:48:00,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:48:00,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:48:01,087 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:48:01,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01 WrapperNode [2024-11-22 17:48:01,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:48:01,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:48:01,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:48:01,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:48:01,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,141 INFO L138 Inliner]: procedures = 365, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66 [2024-11-22 17:48:01,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:48:01,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:48:01,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:48:01,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:48:01,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:48:01,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:48:01,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:48:01,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:48:01,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (1/1) ... [2024-11-22 17:48:01,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:48:01,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:48:01,264 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 17:48:01,266 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 17:48:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:48:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:48:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:48:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:48:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:48:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:48:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:48:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:48:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:48:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:48:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:48:01,325 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 17:48:01,472 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:48:01,474 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:48:01,712 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:48:01,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:48:01,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:48:01,743 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:48:01,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:48:01 BoogieIcfgContainer [2024-11-22 17:48:01,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:48:01,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:48:01,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:48:01,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:48:01,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:48:00" (1/3) ... [2024-11-22 17:48:01,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b5ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:48:01, skipping insertion in model container [2024-11-22 17:48:01,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:48:01" (2/3) ... [2024-11-22 17:48:01,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b5ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:48:01, skipping insertion in model container [2024-11-22 17:48:01,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:48:01" (3/3) ... [2024-11-22 17:48:01,753 INFO L112 eAbstractionObserver]: Analyzing ICFG 02-base_25-malloc_race_cp.i [2024-11-22 17:48:01,770 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:48:01,770 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-22 17:48:01,771 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:48:01,837 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:48:01,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 212 flow [2024-11-22 17:48:01,924 INFO L124 PetriNetUnfolderBase]: 0/103 cut-off events. [2024-11-22 17:48:01,925 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:48:01,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 103 events. 0/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 77 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-22 17:48:01,930 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 104 transitions, 212 flow [2024-11-22 17:48:01,934 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 103 transitions, 209 flow [2024-11-22 17:48:01,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:48:01,955 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;@77f40b39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:48:01,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-22 17:48:01,965 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:48:01,965 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-22 17:48:01,965 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:48:01,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:01,966 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] [2024-11-22 17:48:01,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:01,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2046640981, now seen corresponding path program 1 times [2024-11-22 17:48:01,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010320696] [2024-11-22 17:48:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:02,227 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 17:48:02,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:02,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010320696] [2024-11-22 17:48:02,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010320696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:02,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:02,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:48:02,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375778790] [2024-11-22 17:48:02,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:02,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:48:02,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:02,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:48:02,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:48:02,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 104 [2024-11-22 17:48:02,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 17:48:02,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:02,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 104 [2024-11-22 17:48:02,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:02,401 INFO L124 PetriNetUnfolderBase]: 12/234 cut-off events. [2024-11-22 17:48:02,401 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:48:02,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 234 events. 12/234 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 664 event pairs, 12 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 227. Up to 36 conditions per place. [2024-11-22 17:48:02,406 INFO L140 encePairwiseOnDemand]: 101/104 looper letters, 11 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2024-11-22 17:48:02,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 102 transitions, 233 flow [2024-11-22 17:48:02,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:48:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:48:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-11-22 17:48:02,422 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9102564102564102 [2024-11-22 17:48:02,424 INFO L175 Difference]: Start difference. First operand has 107 places, 103 transitions, 209 flow. Second operand 3 states and 284 transitions. [2024-11-22 17:48:02,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 102 transitions, 233 flow [2024-11-22 17:48:02,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 102 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:48:02,434 INFO L231 Difference]: Finished difference. Result has 107 places, 102 transitions, 210 flow [2024-11-22 17:48:02,436 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=107, PETRI_TRANSITIONS=102} [2024-11-22 17:48:02,442 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 0 predicate places. [2024-11-22 17:48:02,443 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 102 transitions, 210 flow [2024-11-22 17:48:02,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 17:48:02,444 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:02,444 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] [2024-11-22 17:48:02,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:48:02,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:02,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:02,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1419190674, now seen corresponding path program 1 times [2024-11-22 17:48:02,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:02,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632211668] [2024-11-22 17:48:02,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:02,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:02,528 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 17:48:02,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:02,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632211668] [2024-11-22 17:48:02,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632211668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:02,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:02,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:48:02,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646068240] [2024-11-22 17:48:02,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:02,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:48:02,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:02,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:48:02,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:48:02,557 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 104 [2024-11-22 17:48:02,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 102 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 17:48:02,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:02,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 104 [2024-11-22 17:48:02,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:02,615 INFO L124 PetriNetUnfolderBase]: 9/200 cut-off events. [2024-11-22 17:48:02,616 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:48:02,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 200 events. 9/200 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 514 event pairs, 9 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 210. Up to 30 conditions per place. [2024-11-22 17:48:02,617 INFO L140 encePairwiseOnDemand]: 101/104 looper letters, 11 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-11-22 17:48:02,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 101 transitions, 234 flow [2024-11-22 17:48:02,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:48:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:48:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-11-22 17:48:02,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9102564102564102 [2024-11-22 17:48:02,620 INFO L175 Difference]: Start difference. First operand has 107 places, 102 transitions, 210 flow. Second operand 3 states and 284 transitions. [2024-11-22 17:48:02,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 101 transitions, 234 flow [2024-11-22 17:48:02,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 101 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:48:02,623 INFO L231 Difference]: Finished difference. Result has 106 places, 101 transitions, 208 flow [2024-11-22 17:48:02,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=106, PETRI_TRANSITIONS=101} [2024-11-22 17:48:02,624 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -1 predicate places. [2024-11-22 17:48:02,625 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 101 transitions, 208 flow [2024-11-22 17:48:02,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 17:48:02,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:02,625 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] [2024-11-22 17:48:02,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:48:02,626 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:02,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:02,627 INFO L85 PathProgramCache]: Analyzing trace with hash 177711188, now seen corresponding path program 1 times [2024-11-22 17:48:02,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:02,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606472160] [2024-11-22 17:48:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:02,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:02,698 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 17:48:02,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:02,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606472160] [2024-11-22 17:48:02,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606472160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:02,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:02,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:48:02,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239109674] [2024-11-22 17:48:02,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:02,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:48:02,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:02,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:48:02,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:48:02,714 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 104 [2024-11-22 17:48:02,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 101 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 17:48:02,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:02,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 104 [2024-11-22 17:48:02,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:02,754 INFO L124 PetriNetUnfolderBase]: 8/165 cut-off events. [2024-11-22 17:48:02,754 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:48:02,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 165 events. 8/165 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 400 event pairs, 8 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 163. Up to 25 conditions per place. [2024-11-22 17:48:02,756 INFO L140 encePairwiseOnDemand]: 101/104 looper letters, 9 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2024-11-22 17:48:02,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 99 transitions, 224 flow [2024-11-22 17:48:02,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:48:02,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:48:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2024-11-22 17:48:02,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-22 17:48:02,761 INFO L175 Difference]: Start difference. First operand has 106 places, 101 transitions, 208 flow. Second operand 3 states and 288 transitions. [2024-11-22 17:48:02,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 99 transitions, 224 flow [2024-11-22 17:48:02,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 99 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:48:02,767 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 202 flow [2024-11-22 17:48:02,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2024-11-22 17:48:02,768 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -3 predicate places. [2024-11-22 17:48:02,768 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 202 flow [2024-11-22 17:48:02,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 17:48:02,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:02,768 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] [2024-11-22 17:48:02,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:48:02,769 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:02,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:02,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1291684622, now seen corresponding path program 1 times [2024-11-22 17:48:02,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:02,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439820129] [2024-11-22 17:48:02,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:02,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:02,836 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 17:48:02,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:02,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439820129] [2024-11-22 17:48:02,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439820129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:02,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:02,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:48:02,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732187519] [2024-11-22 17:48:02,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:02,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:48:02,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:48:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:48:02,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 104 [2024-11-22 17:48:02,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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 17:48:02,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:02,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 104 [2024-11-22 17:48:02,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:02,912 INFO L124 PetriNetUnfolderBase]: 16/249 cut-off events. [2024-11-22 17:48:02,912 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:48:02,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 249 events. 16/249 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 822 event pairs, 7 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 262. Up to 36 conditions per place. [2024-11-22 17:48:02,916 INFO L140 encePairwiseOnDemand]: 100/104 looper letters, 12 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-11-22 17:48:02,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 101 transitions, 234 flow [2024-11-22 17:48:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:48:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:48:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-11-22 17:48:02,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9358974358974359 [2024-11-22 17:48:02,918 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 202 flow. Second operand 3 states and 292 transitions. [2024-11-22 17:48:02,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 101 transitions, 234 flow [2024-11-22 17:48:02,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 233 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:48:02,922 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 211 flow [2024-11-22 17:48:02,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2024-11-22 17:48:02,924 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -3 predicate places. [2024-11-22 17:48:02,924 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 211 flow [2024-11-22 17:48:02,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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 17:48:02,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:02,925 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] [2024-11-22 17:48:02,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:48:02,925 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:02,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:02,927 INFO L85 PathProgramCache]: Analyzing trace with hash 70069530, now seen corresponding path program 1 times [2024-11-22 17:48:02,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:02,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515399873] [2024-11-22 17:48:02,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:02,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:03,521 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 17:48:03,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:03,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515399873] [2024-11-22 17:48:03,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515399873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:03,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:03,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:48:03,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641355431] [2024-11-22 17:48:03,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:03,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:48:03,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:03,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:48:03,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:48:03,684 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 104 [2024-11-22 17:48:03,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 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 17:48:03,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:03,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 104 [2024-11-22 17:48:03,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:03,910 INFO L124 PetriNetUnfolderBase]: 231/839 cut-off events. [2024-11-22 17:48:03,910 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:48:03,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1357 conditions, 839 events. 231/839 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4771 event pairs, 96 based on Foata normal form. 0/785 useless extension candidates. Maximal degree in co-relation 1321. Up to 348 conditions per place. [2024-11-22 17:48:03,915 INFO L140 encePairwiseOnDemand]: 88/104 looper letters, 51 selfloop transitions, 41 changer transitions 0/163 dead transitions. [2024-11-22 17:48:03,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 163 transitions, 523 flow [2024-11-22 17:48:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:48:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:48:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 549 transitions. [2024-11-22 17:48:03,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8798076923076923 [2024-11-22 17:48:03,919 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 211 flow. Second operand 6 states and 549 transitions. [2024-11-22 17:48:03,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 163 transitions, 523 flow [2024-11-22 17:48:03,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 163 transitions, 523 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:48:03,924 INFO L231 Difference]: Finished difference. Result has 113 places, 141 transitions, 469 flow [2024-11-22 17:48:03,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=469, PETRI_PLACES=113, PETRI_TRANSITIONS=141} [2024-11-22 17:48:03,925 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 6 predicate places. [2024-11-22 17:48:03,927 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 141 transitions, 469 flow [2024-11-22 17:48:03,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 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 17:48:03,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:03,928 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] [2024-11-22 17:48:03,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:48:03,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:03,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:03,931 INFO L85 PathProgramCache]: Analyzing trace with hash 87245971, now seen corresponding path program 1 times [2024-11-22 17:48:03,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:03,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384142100] [2024-11-22 17:48:03,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:03,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:04,276 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 17:48:04,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:04,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384142100] [2024-11-22 17:48:04,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384142100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:04,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:04,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:48:04,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591856809] [2024-11-22 17:48:04,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:04,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:48:04,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:04,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:48:04,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:48:04,407 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 104 [2024-11-22 17:48:04,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 141 transitions, 469 flow. Second operand has 6 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 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 17:48:04,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:04,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 104 [2024-11-22 17:48:04,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:04,628 INFO L124 PetriNetUnfolderBase]: 285/1134 cut-off events. [2024-11-22 17:48:04,628 INFO L125 PetriNetUnfolderBase]: For 318/367 co-relation queries the response was YES. [2024-11-22 17:48:04,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2402 conditions, 1134 events. 285/1134 cut-off events. For 318/367 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7589 event pairs, 29 based on Foata normal form. 31/1130 useless extension candidates. Maximal degree in co-relation 2361. Up to 272 conditions per place. [2024-11-22 17:48:04,637 INFO L140 encePairwiseOnDemand]: 89/104 looper letters, 71 selfloop transitions, 48 changer transitions 0/216 dead transitions. [2024-11-22 17:48:04,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 216 transitions, 971 flow [2024-11-22 17:48:04,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:48:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:48:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 579 transitions. [2024-11-22 17:48:04,639 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9278846153846154 [2024-11-22 17:48:04,639 INFO L175 Difference]: Start difference. First operand has 113 places, 141 transitions, 469 flow. Second operand 6 states and 579 transitions. [2024-11-22 17:48:04,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 216 transitions, 971 flow [2024-11-22 17:48:04,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 216 transitions, 971 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:48:04,649 INFO L231 Difference]: Finished difference. Result has 123 places, 187 transitions, 875 flow [2024-11-22 17:48:04,649 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=875, PETRI_PLACES=123, PETRI_TRANSITIONS=187} [2024-11-22 17:48:04,651 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 16 predicate places. [2024-11-22 17:48:04,652 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 187 transitions, 875 flow [2024-11-22 17:48:04,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 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 17:48:04,652 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:04,652 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] [2024-11-22 17:48:04,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:48:04,653 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:04,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:04,653 INFO L85 PathProgramCache]: Analyzing trace with hash -587936594, now seen corresponding path program 1 times [2024-11-22 17:48:04,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:04,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894567397] [2024-11-22 17:48:04,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:04,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:04,738 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 17:48:04,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:04,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894567397] [2024-11-22 17:48:04,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894567397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:04,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:04,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:48:04,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941509966] [2024-11-22 17:48:04,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:04,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:48:04,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:04,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:48:04,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:48:04,755 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 104 [2024-11-22 17:48:04,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 187 transitions, 875 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 17:48:04,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:04,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 104 [2024-11-22 17:48:04,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:04,799 INFO L124 PetriNetUnfolderBase]: 39/286 cut-off events. [2024-11-22 17:48:04,799 INFO L125 PetriNetUnfolderBase]: For 69/69 co-relation queries the response was YES. [2024-11-22 17:48:04,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 286 events. 39/286 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 967 event pairs, 4 based on Foata normal form. 2/275 useless extension candidates. Maximal degree in co-relation 499. Up to 64 conditions per place. [2024-11-22 17:48:04,801 INFO L140 encePairwiseOnDemand]: 100/104 looper letters, 2 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2024-11-22 17:48:04,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 413 flow [2024-11-22 17:48:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:48:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:48:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2024-11-22 17:48:04,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967948717948718 [2024-11-22 17:48:04,803 INFO L175 Difference]: Start difference. First operand has 123 places, 187 transitions, 875 flow. Second operand 3 states and 302 transitions. [2024-11-22 17:48:04,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 120 transitions, 413 flow [2024-11-22 17:48:04,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 120 transitions, 363 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-22 17:48:04,809 INFO L231 Difference]: Finished difference. Result has 116 places, 120 transitions, 359 flow [2024-11-22 17:48:04,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=359, PETRI_PLACES=116, PETRI_TRANSITIONS=120} [2024-11-22 17:48:04,810 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 9 predicate places. [2024-11-22 17:48:04,810 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 120 transitions, 359 flow [2024-11-22 17:48:04,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 17:48:04,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:04,810 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] [2024-11-22 17:48:04,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:48:04,811 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:04,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:04,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1489826976, now seen corresponding path program 1 times [2024-11-22 17:48:04,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:04,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865566210] [2024-11-22 17:48:04,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:05,136 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 17:48:05,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:05,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865566210] [2024-11-22 17:48:05,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865566210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:05,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:05,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:48:05,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096444550] [2024-11-22 17:48:05,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:05,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:48:05,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:05,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:48:05,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:48:05,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 104 [2024-11-22 17:48:05,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 120 transitions, 359 flow. Second operand has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 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 17:48:05,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:05,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 104 [2024-11-22 17:48:05,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:05,342 INFO L124 PetriNetUnfolderBase]: 93/482 cut-off events. [2024-11-22 17:48:05,343 INFO L125 PetriNetUnfolderBase]: For 90/103 co-relation queries the response was YES. [2024-11-22 17:48:05,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 482 events. 93/482 cut-off events. For 90/103 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2169 event pairs, 20 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 918. Up to 197 conditions per place. [2024-11-22 17:48:05,345 INFO L140 encePairwiseOnDemand]: 93/104 looper letters, 46 selfloop transitions, 22 changer transitions 0/141 dead transitions. [2024-11-22 17:48:05,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 141 transitions, 569 flow [2024-11-22 17:48:05,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:48:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:48:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 511 transitions. [2024-11-22 17:48:05,347 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8189102564102564 [2024-11-22 17:48:05,348 INFO L175 Difference]: Start difference. First operand has 116 places, 120 transitions, 359 flow. Second operand 6 states and 511 transitions. [2024-11-22 17:48:05,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 141 transitions, 569 flow [2024-11-22 17:48:05,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 141 transitions, 565 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:48:05,351 INFO L231 Difference]: Finished difference. Result has 125 places, 141 transitions, 537 flow [2024-11-22 17:48:05,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=537, PETRI_PLACES=125, PETRI_TRANSITIONS=141} [2024-11-22 17:48:05,352 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 18 predicate places. [2024-11-22 17:48:05,353 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 141 transitions, 537 flow [2024-11-22 17:48:05,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 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 17:48:05,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:05,353 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] [2024-11-22 17:48:05,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:48:05,354 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:05,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:05,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1812481170, now seen corresponding path program 1 times [2024-11-22 17:48:05,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:05,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96559023] [2024-11-22 17:48:05,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:05,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:05,618 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 17:48:05,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:05,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96559023] [2024-11-22 17:48:05,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96559023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:05,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:05,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:48:05,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732541360] [2024-11-22 17:48:05,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:05,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:48:05,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:05,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:48:05,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:48:05,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 104 [2024-11-22 17:48:05,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 141 transitions, 537 flow. Second operand has 6 states, 6 states have (on average 82.83333333333333) internal successors, (497), 6 states have internal predecessors, (497), 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 17:48:05,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:05,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 104 [2024-11-22 17:48:05,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:05,907 INFO L124 PetriNetUnfolderBase]: 195/735 cut-off events. [2024-11-22 17:48:05,907 INFO L125 PetriNetUnfolderBase]: For 309/316 co-relation queries the response was YES. [2024-11-22 17:48:05,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1830 conditions, 735 events. 195/735 cut-off events. For 309/316 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4008 event pairs, 12 based on Foata normal form. 0/713 useless extension candidates. Maximal degree in co-relation 1782. Up to 295 conditions per place. [2024-11-22 17:48:05,912 INFO L140 encePairwiseOnDemand]: 89/104 looper letters, 56 selfloop transitions, 52 changer transitions 13/198 dead transitions. [2024-11-22 17:48:05,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 198 transitions, 1044 flow [2024-11-22 17:48:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:48:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:48:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2024-11-22 17:48:05,914 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8894230769230769 [2024-11-22 17:48:05,914 INFO L175 Difference]: Start difference. First operand has 125 places, 141 transitions, 537 flow. Second operand 6 states and 555 transitions. [2024-11-22 17:48:05,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 198 transitions, 1044 flow [2024-11-22 17:48:05,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 198 transitions, 1006 flow, removed 19 selfloop flow, removed 0 redundant places. [2024-11-22 17:48:05,920 INFO L231 Difference]: Finished difference. Result has 135 places, 181 transitions, 952 flow [2024-11-22 17:48:05,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=505, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=952, PETRI_PLACES=135, PETRI_TRANSITIONS=181} [2024-11-22 17:48:05,921 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 28 predicate places. [2024-11-22 17:48:05,921 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 181 transitions, 952 flow [2024-11-22 17:48:05,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.83333333333333) internal successors, (497), 6 states have internal predecessors, (497), 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 17:48:05,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:05,922 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] [2024-11-22 17:48:05,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:48:05,923 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:05,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:05,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1380146183, now seen corresponding path program 1 times [2024-11-22 17:48:05,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:05,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081229335] [2024-11-22 17:48:05,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:05,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:06,427 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 17:48:06,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:06,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081229335] [2024-11-22 17:48:06,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081229335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:06,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:06,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 17:48:06,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036667797] [2024-11-22 17:48:06,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:06,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 17:48:06,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:06,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 17:48:06,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-22 17:48:06,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2024-11-22 17:48:06,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 181 transitions, 952 flow. Second operand has 12 states, 12 states have (on average 68.25) internal successors, (819), 12 states have internal predecessors, (819), 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 17:48:06,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:06,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2024-11-22 17:48:06,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:07,292 INFO L124 PetriNetUnfolderBase]: 189/697 cut-off events. [2024-11-22 17:48:07,293 INFO L125 PetriNetUnfolderBase]: For 722/762 co-relation queries the response was YES. [2024-11-22 17:48:07,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2206 conditions, 697 events. 189/697 cut-off events. For 722/762 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3753 event pairs, 18 based on Foata normal form. 21/711 useless extension candidates. Maximal degree in co-relation 2145. Up to 193 conditions per place. [2024-11-22 17:48:07,299 INFO L140 encePairwiseOnDemand]: 89/104 looper letters, 115 selfloop transitions, 39 changer transitions 20/235 dead transitions. [2024-11-22 17:48:07,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 235 transitions, 1684 flow [2024-11-22 17:48:07,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 17:48:07,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-22 17:48:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 998 transitions. [2024-11-22 17:48:07,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6854395604395604 [2024-11-22 17:48:07,302 INFO L175 Difference]: Start difference. First operand has 135 places, 181 transitions, 952 flow. Second operand 14 states and 998 transitions. [2024-11-22 17:48:07,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 235 transitions, 1684 flow [2024-11-22 17:48:07,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 235 transitions, 1633 flow, removed 18 selfloop flow, removed 3 redundant places. [2024-11-22 17:48:07,316 INFO L231 Difference]: Finished difference. Result has 151 places, 189 transitions, 1096 flow [2024-11-22 17:48:07,316 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1096, PETRI_PLACES=151, PETRI_TRANSITIONS=189} [2024-11-22 17:48:07,317 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 44 predicate places. [2024-11-22 17:48:07,318 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 189 transitions, 1096 flow [2024-11-22 17:48:07,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 68.25) internal successors, (819), 12 states have internal predecessors, (819), 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 17:48:07,319 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:07,320 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] [2024-11-22 17:48:07,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:48:07,320 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:07,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:07,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1024159188, now seen corresponding path program 1 times [2024-11-22 17:48:07,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:07,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181651727] [2024-11-22 17:48:07,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:07,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:07,765 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 17:48:07,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:07,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181651727] [2024-11-22 17:48:07,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181651727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:07,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:07,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 17:48:07,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7407853] [2024-11-22 17:48:07,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:07,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 17:48:07,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:07,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 17:48:07,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-22 17:48:08,338 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 104 [2024-11-22 17:48:08,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 189 transitions, 1096 flow. Second operand has 12 states, 12 states have (on average 74.75) internal successors, (897), 12 states have internal predecessors, (897), 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 17:48:08,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:08,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 104 [2024-11-22 17:48:08,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:08,768 INFO L124 PetriNetUnfolderBase]: 175/639 cut-off events. [2024-11-22 17:48:08,768 INFO L125 PetriNetUnfolderBase]: For 1067/1101 co-relation queries the response was YES. [2024-11-22 17:48:08,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2249 conditions, 639 events. 175/639 cut-off events. For 1067/1101 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3310 event pairs, 4 based on Foata normal form. 23/660 useless extension candidates. Maximal degree in co-relation 2220. Up to 126 conditions per place. [2024-11-22 17:48:08,773 INFO L140 encePairwiseOnDemand]: 86/104 looper letters, 87 selfloop transitions, 68 changer transitions 11/235 dead transitions. [2024-11-22 17:48:08,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 235 transitions, 1801 flow [2024-11-22 17:48:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 17:48:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-22 17:48:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1035 transitions. [2024-11-22 17:48:08,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7655325443786982 [2024-11-22 17:48:08,776 INFO L175 Difference]: Start difference. First operand has 151 places, 189 transitions, 1096 flow. Second operand 13 states and 1035 transitions. [2024-11-22 17:48:08,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 235 transitions, 1801 flow [2024-11-22 17:48:08,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 235 transitions, 1759 flow, removed 3 selfloop flow, removed 9 redundant places. [2024-11-22 17:48:08,789 INFO L231 Difference]: Finished difference. Result has 158 places, 197 transitions, 1388 flow [2024-11-22 17:48:08,789 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1388, PETRI_PLACES=158, PETRI_TRANSITIONS=197} [2024-11-22 17:48:08,790 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 51 predicate places. [2024-11-22 17:48:08,790 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 197 transitions, 1388 flow [2024-11-22 17:48:08,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 74.75) internal successors, (897), 12 states have internal predecessors, (897), 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 17:48:08,791 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:08,791 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] [2024-11-22 17:48:08,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:48:08,791 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:08,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:08,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1647267624, now seen corresponding path program 1 times [2024-11-22 17:48:08,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:08,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371892428] [2024-11-22 17:48:08,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:08,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:48:09,256 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 17:48:09,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:09,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371892428] [2024-11-22 17:48:09,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371892428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:09,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:09,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 17:48:09,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408197597] [2024-11-22 17:48:09,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:09,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 17:48:09,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:09,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 17:48:09,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-22 17:48:09,638 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2024-11-22 17:48:09,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 197 transitions, 1388 flow. Second operand has 12 states, 12 states have (on average 68.58333333333333) internal successors, (823), 12 states have internal predecessors, (823), 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 17:48:09,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:09,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2024-11-22 17:48:09,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:10,057 INFO L124 PetriNetUnfolderBase]: 170/661 cut-off events. [2024-11-22 17:48:10,057 INFO L125 PetriNetUnfolderBase]: For 2024/2103 co-relation queries the response was YES. [2024-11-22 17:48:10,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2607 conditions, 661 events. 170/661 cut-off events. For 2024/2103 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3544 event pairs, 15 based on Foata normal form. 43/698 useless extension candidates. Maximal degree in co-relation 2531. Up to 192 conditions per place. [2024-11-22 17:48:10,062 INFO L140 encePairwiseOnDemand]: 90/104 looper letters, 122 selfloop transitions, 35 changer transitions 12/231 dead transitions. [2024-11-22 17:48:10,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 231 transitions, 2092 flow [2024-11-22 17:48:10,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 17:48:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-22 17:48:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1125 transitions. [2024-11-22 17:48:10,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6760817307692307 [2024-11-22 17:48:10,065 INFO L175 Difference]: Start difference. First operand has 158 places, 197 transitions, 1388 flow. Second operand 16 states and 1125 transitions. [2024-11-22 17:48:10,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 231 transitions, 2092 flow [2024-11-22 17:48:10,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 231 transitions, 2062 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-22 17:48:10,080 INFO L231 Difference]: Finished difference. Result has 168 places, 193 transitions, 1394 flow [2024-11-22 17:48:10,081 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1358, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1394, PETRI_PLACES=168, PETRI_TRANSITIONS=193} [2024-11-22 17:48:10,081 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 61 predicate places. [2024-11-22 17:48:10,082 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 193 transitions, 1394 flow [2024-11-22 17:48:10,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 68.58333333333333) internal successors, (823), 12 states have internal predecessors, (823), 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 17:48:10,082 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:10,082 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] [2024-11-22 17:48:10,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:48:10,083 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:10,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:10,083 INFO L85 PathProgramCache]: Analyzing trace with hash 2132507222, now seen corresponding path program 2 times [2024-11-22 17:48:10,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:10,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632862891] [2024-11-22 17:48:10,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:48:10,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:10,099 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:48:10,100 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:48:10,455 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 17:48:10,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:48:10,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632862891] [2024-11-22 17:48:10,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632862891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:48:10,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:48:10,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 17:48:10,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495711288] [2024-11-22 17:48:10,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:48:10,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 17:48:10,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:48:10,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 17:48:10,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-22 17:48:10,818 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2024-11-22 17:48:10,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 193 transitions, 1394 flow. Second operand has 12 states, 12 states have (on average 68.58333333333333) internal successors, (823), 12 states have internal predecessors, (823), 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 17:48:10,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:48:10,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2024-11-22 17:48:10,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:48:11,268 INFO L124 PetriNetUnfolderBase]: 165/646 cut-off events. [2024-11-22 17:48:11,268 INFO L125 PetriNetUnfolderBase]: For 2108/2139 co-relation queries the response was YES. [2024-11-22 17:48:11,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2591 conditions, 646 events. 165/646 cut-off events. For 2108/2139 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3426 event pairs, 15 based on Foata normal form. 13/653 useless extension candidates. Maximal degree in co-relation 2560. Up to 192 conditions per place. [2024-11-22 17:48:11,273 INFO L140 encePairwiseOnDemand]: 90/104 looper letters, 118 selfloop transitions, 34 changer transitions 10/224 dead transitions. [2024-11-22 17:48:11,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 224 transitions, 2062 flow [2024-11-22 17:48:11,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 17:48:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-22 17:48:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1186 transitions. [2024-11-22 17:48:11,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.670814479638009 [2024-11-22 17:48:11,277 INFO L175 Difference]: Start difference. First operand has 168 places, 193 transitions, 1394 flow. Second operand 17 states and 1186 transitions. [2024-11-22 17:48:11,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 224 transitions, 2062 flow [2024-11-22 17:48:11,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 224 transitions, 1976 flow, removed 4 selfloop flow, removed 15 redundant places. [2024-11-22 17:48:11,294 INFO L231 Difference]: Finished difference. Result has 165 places, 188 transitions, 1339 flow [2024-11-22 17:48:11,295 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1339, PETRI_PLACES=165, PETRI_TRANSITIONS=188} [2024-11-22 17:48:11,295 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 58 predicate places. [2024-11-22 17:48:11,295 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 188 transitions, 1339 flow [2024-11-22 17:48:11,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 68.58333333333333) internal successors, (823), 12 states have internal predecessors, (823), 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 17:48:11,296 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:48:11,296 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] [2024-11-22 17:48:11,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:48:11,296 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-22 17:48:11,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:48:11,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1762241086, now seen corresponding path program 1 times [2024-11-22 17:48:11,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:48:11,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531111026] [2024-11-22 17:48:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:48:11,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:48:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 17:48:11,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 17:48:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 17:48:11,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 17:48:11,372 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 17:48:11,374 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-22 17:48:11,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-22 17:48:11,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-22 17:48:11,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-22 17:48:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-22 17:48:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-22 17:48:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-22 17:48:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-22 17:48:11,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-22 17:48:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-22 17:48:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-11-22 17:48:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-11-22 17:48:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-22 17:48:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-22 17:48:11,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-22 17:48:11,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:48:11,380 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:48:11,447 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:48:11,447 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:48:11,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:48:11 BasicIcfg [2024-11-22 17:48:11,452 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:48:11,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:48:11,453 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:48:11,453 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:48:11,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:48:01" (3/4) ... [2024-11-22 17:48:11,458 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 17:48:11,522 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:48:11,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:48:11,523 INFO L158 Benchmark]: Toolchain (without parser) took 11224.42ms. Allocated memory was 169.9MB in the beginning and 310.4MB in the end (delta: 140.5MB). Free memory was 94.9MB in the beginning and 102.8MB in the end (delta: -7.9MB). Peak memory consumption was 134.5MB. Max. memory is 16.1GB. [2024-11-22 17:48:11,523 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:48:11,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.99ms. Allocated memory is still 169.9MB. Free memory was 94.9MB in the beginning and 53.4MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-22 17:48:11,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.31ms. Allocated memory is still 169.9MB. Free memory was 53.4MB in the beginning and 50.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:48:11,523 INFO L158 Benchmark]: Boogie Preprocessor took 83.19ms. Allocated memory is still 169.9MB. Free memory was 50.9MB in the beginning and 137.7MB in the end (delta: -86.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 17:48:11,523 INFO L158 Benchmark]: RCFGBuilder took 516.79ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 119.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 17:48:11,524 INFO L158 Benchmark]: TraceAbstraction took 9706.27ms. Allocated memory was 169.9MB in the beginning and 310.4MB in the end (delta: 140.5MB). Free memory was 119.1MB in the beginning and 110.1MB in the end (delta: 9.0MB). Peak memory consumption was 152.3MB. Max. memory is 16.1GB. [2024-11-22 17:48:11,524 INFO L158 Benchmark]: Witness Printer took 69.36ms. Allocated memory is still 310.4MB. Free memory was 110.1MB in the beginning and 102.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 17:48:11,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.99ms. Allocated memory is still 169.9MB. Free memory was 94.9MB in the beginning and 53.4MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.31ms. Allocated memory is still 169.9MB. Free memory was 53.4MB in the beginning and 50.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.19ms. Allocated memory is still 169.9MB. Free memory was 50.9MB in the beginning and 137.7MB in the end (delta: -86.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 516.79ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 119.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9706.27ms. Allocated memory was 169.9MB in the beginning and 310.4MB in the end (delta: 140.5MB). Free memory was 119.1MB in the beginning and 110.1MB in the end (delta: 9.0MB). Peak memory consumption was 152.3MB. Max. memory is 16.1GB. * Witness Printer took 69.36ms. Allocated memory is still 310.4MB. Free memory was 110.1MB in the beginning and 102.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1243]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; VAL [x={0:0}] [L1224] 0 int *y; VAL [x={0:0}, y={0:0}] [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [m={1:0}, x={0:0}, y={0:0}] [L1234] 0 pthread_t id; VAL [m={1:0}, x={0:0}, y={0:0}] [L1235] 0 int *z; VAL [m={1:0}, x={0:0}, y={0:0}] [L1236] 0 x = malloc(sizeof(int)) VAL [m={1:0}, x={-2:0}, y={0:0}] [L1237] 0 y = malloc(sizeof(int)) VAL [m={1:0}, x={-2:0}, y={-3:0}] [L1238] 0 z = y VAL [m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1239] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 *x VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 \read(*x) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] 0 printf("%d\n",*x) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1228] EXPR 1 *x VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1228] 1 *x = 3 VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1243] EXPR 0 \read(*z) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1229] EXPR 1 *y VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1229] 1 *y = 8 VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1243] 0 printf("%d\n",*z) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] 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: *x = 3 [1228] * C: *x = 3 [1228] * C: y = malloc(sizeof(int)) [1237] * C: x = malloc(sizeof(int)) [1236] * C: *x = 3 [1228] * C: *y = 8 [1229] * C: *x = 3 [1228] and C: printf("%d\n",*z) [1243] - UnprovableResult [Line: 1236]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: 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: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: 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, 138 locations, 15 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: 9.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1436 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1129 mSDsluCounter, 1258 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1195 mSDsCounter, 232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5066 IncrementalHoareTripleChecker+Invalid, 5298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 232 mSolverCounterUnsat, 63 mSDtfsCounter, 5066 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1394occurred in iteration=12, InterpolantAutomatonStates: 99, 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, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 668 ConstructedInterpolants, 0 QuantifiedInterpolants, 2320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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! [2024-11-22 17:48:11,547 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