./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.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 bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:36:40,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:36:40,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:36:40,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:36:40,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:36:40,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:36:40,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:36:40,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:36:40,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:36:40,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:36:40,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:36:40,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:36:40,295 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:36:40,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:36:40,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:36:40,297 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:36:40,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:36:40,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:36:40,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:36:40,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:36:40,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:36:40,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:36:40,301 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:36:40,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:36:40,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:36:40,301 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:36:40,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:36:40,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:36:40,302 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:36:40,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:36:40,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:36:40,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:36:40,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:36:40,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:36:40,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:36:40,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:36:40,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:36:40,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:36:40,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:36:40,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:36:40,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:36:40,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa [2024-11-16 23:36:40,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:36:40,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:36:40,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:36:40,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:36:40,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:36:40,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-11-16 23:36:41,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:36:41,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:36:41,939 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-11-16 23:36:41,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54375f5ce/811f6bef97db4019bb881af59ec394f7/FLAG35fbc0aed [2024-11-16 23:36:42,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54375f5ce/811f6bef97db4019bb881af59ec394f7 [2024-11-16 23:36:42,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:36:42,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:36:42,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:36:42,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:36:42,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:36:42,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3a8a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42, skipping insertion in model container [2024-11-16 23:36:42,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:36:42,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:36:42,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:36:42,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:36:42,863 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:36:42,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42 WrapperNode [2024-11-16 23:36:42,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:36:42,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:36:42,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:36:42,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:36:42,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,935 INFO L138 Inliner]: procedures = 372, calls = 43, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 244 [2024-11-16 23:36:42,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:36:42,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:36:42,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:36:42,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:36:42,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:36:42,990 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:36:42,990 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:36:42,990 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:36:42,991 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (1/1) ... [2024-11-16 23:36:42,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:36:43,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:43,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:36:43,020 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 [2024-11-16 23:36:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:36:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 23:36:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:36:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:36:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:36:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:36:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:36:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:36:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:36:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:36:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:36:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:36:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:36:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:36:43,056 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:36:43,162 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:36:43,163 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:36:43,563 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:36:43,563 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:36:43,594 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:36:43,594 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:36:43,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:36:43 BoogieIcfgContainer [2024-11-16 23:36:43,595 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:36:43,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:36:43,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:36:43,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:36:43,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:36:42" (1/3) ... [2024-11-16 23:36:43,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540192c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:36:43, skipping insertion in model container [2024-11-16 23:36:43,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:42" (2/3) ... [2024-11-16 23:36:43,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540192c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:36:43, skipping insertion in model container [2024-11-16 23:36:43,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:36:43" (3/3) ... [2024-11-16 23:36:43,603 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_09-arraylist.i [2024-11-16 23:36:43,615 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:36:43,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-16 23:36:43,615 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:36:43,696 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:36:43,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 288 places, 288 transitions, 580 flow [2024-11-16 23:36:43,895 INFO L124 PetriNetUnfolderBase]: 4/287 cut-off events. [2024-11-16 23:36:43,896 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:43,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 287 events. 4/287 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 409 event pairs, 0 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2024-11-16 23:36:43,904 INFO L82 GeneralOperation]: Start removeDead. Operand has 288 places, 288 transitions, 580 flow [2024-11-16 23:36:43,910 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 287 places, 287 transitions, 577 flow [2024-11-16 23:36:43,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:36:43,927 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;@217f5579, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:36:43,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-16 23:36:43,941 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:36:43,941 INFO L124 PetriNetUnfolderBase]: 3/81 cut-off events. [2024-11-16 23:36:43,941 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:43,941 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:43,942 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] [2024-11-16 23:36:43,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:43,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:43,947 INFO L85 PathProgramCache]: Analyzing trace with hash -884567806, now seen corresponding path program 1 times [2024-11-16 23:36:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:43,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913248843] [2024-11-16 23:36:43,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:43,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:44,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:44,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913248843] [2024-11-16 23:36:44,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913248843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:44,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:44,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:44,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789993692] [2024-11-16 23:36:44,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:44,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:44,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:44,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:44,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:45,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 288 [2024-11-16 23:36:45,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 287 transitions, 577 flow. Second operand has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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) [2024-11-16 23:36:45,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:45,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 288 [2024-11-16 23:36:45,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:45,330 INFO L124 PetriNetUnfolderBase]: 365/1644 cut-off events. [2024-11-16 23:36:45,330 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:36:45,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2458 conditions, 1644 events. 365/1644 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10122 event pairs, 364 based on Foata normal form. 13/1530 useless extension candidates. Maximal degree in co-relation 2256. Up to 800 conditions per place. [2024-11-16 23:36:45,339 INFO L140 encePairwiseOnDemand]: 273/288 looper letters, 71 selfloop transitions, 10 changer transitions 1/282 dead transitions. [2024-11-16 23:36:45,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 282 transitions, 729 flow [2024-11-16 23:36:45,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:45,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1298 transitions. [2024-11-16 23:36:45,355 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7511574074074074 [2024-11-16 23:36:45,357 INFO L175 Difference]: Start difference. First operand has 287 places, 287 transitions, 577 flow. Second operand 6 states and 1298 transitions. [2024-11-16 23:36:45,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 282 transitions, 729 flow [2024-11-16 23:36:45,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 282 transitions, 728 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:45,369 INFO L231 Difference]: Finished difference. Result has 289 places, 281 transitions, 584 flow [2024-11-16 23:36:45,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=584, PETRI_PLACES=289, PETRI_TRANSITIONS=281} [2024-11-16 23:36:45,375 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 2 predicate places. [2024-11-16 23:36:45,375 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 281 transitions, 584 flow [2024-11-16 23:36:45,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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) [2024-11-16 23:36:45,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:45,376 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] [2024-11-16 23:36:45,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:36:45,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:45,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2084128238, now seen corresponding path program 1 times [2024-11-16 23:36:45,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:45,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341455060] [2024-11-16 23:36:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:45,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:45,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341455060] [2024-11-16 23:36:45,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341455060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:45,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:45,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:36:45,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229374267] [2024-11-16 23:36:45,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:45,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:36:45,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:45,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:36:45,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:36:45,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 288 [2024-11-16 23:36:45,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 281 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 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) [2024-11-16 23:36:45,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:45,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 288 [2024-11-16 23:36:45,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:45,523 INFO L124 PetriNetUnfolderBase]: 7/469 cut-off events. [2024-11-16 23:36:45,524 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:45,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 469 events. 7/469 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 878 event pairs, 6 based on Foata normal form. 1/436 useless extension candidates. Maximal degree in co-relation 300. Up to 24 conditions per place. [2024-11-16 23:36:45,525 INFO L140 encePairwiseOnDemand]: 285/288 looper letters, 10 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-16 23:36:45,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 282 transitions, 610 flow [2024-11-16 23:36:45,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:36:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:36:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 835 transitions. [2024-11-16 23:36:45,527 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9664351851851852 [2024-11-16 23:36:45,527 INFO L175 Difference]: Start difference. First operand has 289 places, 281 transitions, 584 flow. Second operand 3 states and 835 transitions. [2024-11-16 23:36:45,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 282 transitions, 610 flow [2024-11-16 23:36:45,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 282 transitions, 590 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:45,535 INFO L231 Difference]: Finished difference. Result has 286 places, 282 transitions, 576 flow [2024-11-16 23:36:45,535 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=286, PETRI_TRANSITIONS=282} [2024-11-16 23:36:45,536 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, -1 predicate places. [2024-11-16 23:36:45,536 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 282 transitions, 576 flow [2024-11-16 23:36:45,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 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) [2024-11-16 23:36:45,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:45,537 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] [2024-11-16 23:36:45,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:36:45,537 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:45,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:45,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1430662066, now seen corresponding path program 1 times [2024-11-16 23:36:45,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:45,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528801900] [2024-11-16 23:36:45,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:45,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:45,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:45,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528801900] [2024-11-16 23:36:45,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528801900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:45,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:45,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:45,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557951943] [2024-11-16 23:36:45,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:45,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:45,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:45,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:45,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:46,150 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 288 [2024-11-16 23:36:46,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 282 transitions, 576 flow. Second operand has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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) [2024-11-16 23:36:46,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:46,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 288 [2024-11-16 23:36:46,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:46,335 INFO L124 PetriNetUnfolderBase]: 365/1751 cut-off events. [2024-11-16 23:36:46,336 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:36:46,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2611 conditions, 1751 events. 365/1751 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10118 event pairs, 364 based on Foata normal form. 0/1623 useless extension candidates. Maximal degree in co-relation 2418. Up to 830 conditions per place. [2024-11-16 23:36:46,344 INFO L140 encePairwiseOnDemand]: 276/288 looper letters, 71 selfloop transitions, 10 changer transitions 0/280 dead transitions. [2024-11-16 23:36:46,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 280 transitions, 734 flow [2024-11-16 23:36:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1295 transitions. [2024-11-16 23:36:46,347 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7494212962962963 [2024-11-16 23:36:46,347 INFO L175 Difference]: Start difference. First operand has 286 places, 282 transitions, 576 flow. Second operand 6 states and 1295 transitions. [2024-11-16 23:36:46,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 280 transitions, 734 flow [2024-11-16 23:36:46,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 280 transitions, 732 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:46,350 INFO L231 Difference]: Finished difference. Result has 288 places, 280 transitions, 590 flow [2024-11-16 23:36:46,351 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=590, PETRI_PLACES=288, PETRI_TRANSITIONS=280} [2024-11-16 23:36:46,352 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 1 predicate places. [2024-11-16 23:36:46,353 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 280 transitions, 590 flow [2024-11-16 23:36:46,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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) [2024-11-16 23:36:46,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:46,353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:46,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:36:46,354 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:46,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:46,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1599918057, now seen corresponding path program 1 times [2024-11-16 23:36:46,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:46,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288965823] [2024-11-16 23:36:46,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:46,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:46,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:46,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:46,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288965823] [2024-11-16 23:36:46,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288965823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:46,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:46,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:46,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870056017] [2024-11-16 23:36:46,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:46,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:46,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:46,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:46,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:46,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 288 [2024-11-16 23:36:46,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 280 transitions, 590 flow. Second operand has 6 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 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) [2024-11-16 23:36:46,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:46,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 288 [2024-11-16 23:36:46,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:47,225 INFO L124 PetriNetUnfolderBase]: 391/1838 cut-off events. [2024-11-16 23:36:47,226 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-16 23:36:47,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2776 conditions, 1838 events. 391/1838 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10849 event pairs, 390 based on Foata normal form. 0/1707 useless extension candidates. Maximal degree in co-relation 2500. Up to 899 conditions per place. [2024-11-16 23:36:47,231 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 83 selfloop transitions, 5 changer transitions 0/279 dead transitions. [2024-11-16 23:36:47,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 279 transitions, 764 flow [2024-11-16 23:36:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:47,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:47,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1270 transitions. [2024-11-16 23:36:47,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7349537037037037 [2024-11-16 23:36:47,234 INFO L175 Difference]: Start difference. First operand has 288 places, 280 transitions, 590 flow. Second operand 6 states and 1270 transitions. [2024-11-16 23:36:47,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 279 transitions, 764 flow [2024-11-16 23:36:47,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 279 transitions, 744 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:47,238 INFO L231 Difference]: Finished difference. Result has 287 places, 279 transitions, 578 flow [2024-11-16 23:36:47,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=287, PETRI_TRANSITIONS=279} [2024-11-16 23:36:47,239 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 0 predicate places. [2024-11-16 23:36:47,240 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 279 transitions, 578 flow [2024-11-16 23:36:47,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 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) [2024-11-16 23:36:47,241 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:47,241 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:47,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:36:47,241 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:47,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:47,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1216653614, now seen corresponding path program 1 times [2024-11-16 23:36:47,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:47,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534240407] [2024-11-16 23:36:47,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:47,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:47,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:47,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534240407] [2024-11-16 23:36:47,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534240407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:47,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:47,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:47,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544837301] [2024-11-16 23:36:47,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:47,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:47,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:47,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:47,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:48,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 288 [2024-11-16 23:36:48,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 279 transitions, 578 flow. Second operand has 6 states, 6 states have (on average 227.83333333333334) internal successors, (1367), 6 states have internal predecessors, (1367), 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) [2024-11-16 23:36:48,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:48,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 288 [2024-11-16 23:36:48,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:48,227 INFO L124 PetriNetUnfolderBase]: 55/704 cut-off events. [2024-11-16 23:36:48,227 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:36:48,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 704 events. 55/704 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2623 event pairs, 54 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 718. Up to 195 conditions per place. [2024-11-16 23:36:48,229 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 57 selfloop transitions, 5 changer transitions 0/278 dead transitions. [2024-11-16 23:36:48,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 278 transitions, 700 flow [2024-11-16 23:36:48,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1400 transitions. [2024-11-16 23:36:48,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8101851851851852 [2024-11-16 23:36:48,232 INFO L175 Difference]: Start difference. First operand has 287 places, 279 transitions, 578 flow. Second operand 6 states and 1400 transitions. [2024-11-16 23:36:48,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 278 transitions, 700 flow [2024-11-16 23:36:48,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 278 transitions, 690 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:48,235 INFO L231 Difference]: Finished difference. Result has 286 places, 278 transitions, 576 flow [2024-11-16 23:36:48,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=576, PETRI_PLACES=286, PETRI_TRANSITIONS=278} [2024-11-16 23:36:48,236 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, -1 predicate places. [2024-11-16 23:36:48,236 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 278 transitions, 576 flow [2024-11-16 23:36:48,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 227.83333333333334) internal successors, (1367), 6 states have internal predecessors, (1367), 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) [2024-11-16 23:36:48,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:48,238 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:48,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:36:48,238 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:48,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:48,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2084368366, now seen corresponding path program 1 times [2024-11-16 23:36:48,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:48,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429197082] [2024-11-16 23:36:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:48,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:48,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:48,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429197082] [2024-11-16 23:36:48,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429197082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:48,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:48,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:48,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057231817] [2024-11-16 23:36:48,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:48,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:48,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:48,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:48,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:48,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 288 [2024-11-16 23:36:48,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 278 transitions, 576 flow. Second operand has 6 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 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) [2024-11-16 23:36:48,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:48,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 288 [2024-11-16 23:36:48,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:49,013 INFO L124 PetriNetUnfolderBase]: 37/619 cut-off events. [2024-11-16 23:36:49,013 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:36:49,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 619 events. 37/619 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2082 event pairs, 36 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 582. Up to 158 conditions per place. [2024-11-16 23:36:49,015 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 53 selfloop transitions, 5 changer transitions 0/277 dead transitions. [2024-11-16 23:36:49,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 277 transitions, 690 flow [2024-11-16 23:36:49,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1415 transitions. [2024-11-16 23:36:49,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8188657407407407 [2024-11-16 23:36:49,017 INFO L175 Difference]: Start difference. First operand has 286 places, 278 transitions, 576 flow. Second operand 6 states and 1415 transitions. [2024-11-16 23:36:49,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 277 transitions, 690 flow [2024-11-16 23:36:49,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 277 transitions, 680 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:49,020 INFO L231 Difference]: Finished difference. Result has 285 places, 277 transitions, 574 flow [2024-11-16 23:36:49,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=574, PETRI_PLACES=285, PETRI_TRANSITIONS=277} [2024-11-16 23:36:49,021 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, -2 predicate places. [2024-11-16 23:36:49,021 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 277 transitions, 574 flow [2024-11-16 23:36:49,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 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) [2024-11-16 23:36:49,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:49,022 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:49,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:36:49,023 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:49,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:49,023 INFO L85 PathProgramCache]: Analyzing trace with hash 998737217, now seen corresponding path program 1 times [2024-11-16 23:36:49,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:49,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558030035] [2024-11-16 23:36:49,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:49,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:49,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558030035] [2024-11-16 23:36:49,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558030035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:49,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:49,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:49,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353462538] [2024-11-16 23:36:49,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:49,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:49,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:49,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:49,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:49,584 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 288 [2024-11-16 23:36:49,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 277 transitions, 574 flow. Second operand has 6 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 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) [2024-11-16 23:36:49,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:49,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 288 [2024-11-16 23:36:49,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:49,866 INFO L124 PetriNetUnfolderBase]: 365/1743 cut-off events. [2024-11-16 23:36:49,866 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:36:49,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2618 conditions, 1743 events. 365/1743 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10049 event pairs, 364 based on Foata normal form. 0/1623 useless extension candidates. Maximal degree in co-relation 2400. Up to 846 conditions per place. [2024-11-16 23:36:49,871 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 79 selfloop transitions, 5 changer transitions 0/276 dead transitions. [2024-11-16 23:36:49,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 276 transitions, 740 flow [2024-11-16 23:36:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:49,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1285 transitions. [2024-11-16 23:36:49,874 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7436342592592593 [2024-11-16 23:36:49,875 INFO L175 Difference]: Start difference. First operand has 285 places, 277 transitions, 574 flow. Second operand 6 states and 1285 transitions. [2024-11-16 23:36:49,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 276 transitions, 740 flow [2024-11-16 23:36:49,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 276 transitions, 730 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:49,879 INFO L231 Difference]: Finished difference. Result has 284 places, 276 transitions, 572 flow [2024-11-16 23:36:49,879 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=572, PETRI_PLACES=284, PETRI_TRANSITIONS=276} [2024-11-16 23:36:49,880 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, -3 predicate places. [2024-11-16 23:36:49,881 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 276 transitions, 572 flow [2024-11-16 23:36:49,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 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) [2024-11-16 23:36:49,882 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:49,882 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:49,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:36:49,882 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:49,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:49,883 INFO L85 PathProgramCache]: Analyzing trace with hash 97974867, now seen corresponding path program 1 times [2024-11-16 23:36:49,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:49,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313361082] [2024-11-16 23:36:49,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:49,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:50,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:50,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313361082] [2024-11-16 23:36:50,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313361082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:50,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:50,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:50,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246896228] [2024-11-16 23:36:50,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:50,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:50,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:50,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:50,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:50,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 288 [2024-11-16 23:36:50,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 276 transitions, 572 flow. Second operand has 6 states, 6 states have (on average 207.66666666666666) internal successors, (1246), 6 states have internal predecessors, (1246), 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) [2024-11-16 23:36:50,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:50,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 288 [2024-11-16 23:36:50,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:50,750 INFO L124 PetriNetUnfolderBase]: 365/1741 cut-off events. [2024-11-16 23:36:50,751 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:36:50,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2614 conditions, 1741 events. 365/1741 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10041 event pairs, 364 based on Foata normal form. 0/1623 useless extension candidates. Maximal degree in co-relation 2405. Up to 844 conditions per place. [2024-11-16 23:36:50,755 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 78 selfloop transitions, 5 changer transitions 0/275 dead transitions. [2024-11-16 23:36:50,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 275 transitions, 736 flow [2024-11-16 23:36:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1290 transitions. [2024-11-16 23:36:50,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7465277777777778 [2024-11-16 23:36:50,758 INFO L175 Difference]: Start difference. First operand has 284 places, 276 transitions, 572 flow. Second operand 6 states and 1290 transitions. [2024-11-16 23:36:50,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 275 transitions, 736 flow [2024-11-16 23:36:50,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 275 transitions, 726 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:50,762 INFO L231 Difference]: Finished difference. Result has 283 places, 275 transitions, 570 flow [2024-11-16 23:36:50,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=570, PETRI_PLACES=283, PETRI_TRANSITIONS=275} [2024-11-16 23:36:50,764 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, -4 predicate places. [2024-11-16 23:36:50,765 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 275 transitions, 570 flow [2024-11-16 23:36:50,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 207.66666666666666) internal successors, (1246), 6 states have internal predecessors, (1246), 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) [2024-11-16 23:36:50,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:50,766 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:50,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:36:50,767 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:50,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:50,767 INFO L85 PathProgramCache]: Analyzing trace with hash 980923429, now seen corresponding path program 1 times [2024-11-16 23:36:50,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:50,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644421866] [2024-11-16 23:36:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:50,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:50,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:50,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644421866] [2024-11-16 23:36:50,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644421866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:50,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525301598] [2024-11-16 23:36:50,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:50,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:50,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:50,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:50,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:36:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:51,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 23:36:51,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:51,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:36:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:51,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525301598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:36:51,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:36:51,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-16 23:36:51,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683142710] [2024-11-16 23:36:51,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:36:51,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:51,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:51,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:51,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:51,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 288 [2024-11-16 23:36:51,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 275 transitions, 570 flow. Second operand has 10 states, 10 states have (on average 273.0) internal successors, (2730), 10 states have internal predecessors, (2730), 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) [2024-11-16 23:36:51,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:51,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 288 [2024-11-16 23:36:51,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:51,571 INFO L124 PetriNetUnfolderBase]: 7/564 cut-off events. [2024-11-16 23:36:51,572 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:36:51,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 564 events. 7/564 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 392 event pairs, 6 based on Foata normal form. 2/546 useless extension candidates. Maximal degree in co-relation 245. Up to 24 conditions per place. [2024-11-16 23:36:51,574 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 14 selfloop transitions, 9 changer transitions 0/283 dead transitions. [2024-11-16 23:36:51,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 283 transitions, 634 flow [2024-11-16 23:36:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:36:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:36:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2464 transitions. [2024-11-16 23:36:51,592 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9506172839506173 [2024-11-16 23:36:51,592 INFO L175 Difference]: Start difference. First operand has 283 places, 275 transitions, 570 flow. Second operand 9 states and 2464 transitions. [2024-11-16 23:36:51,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 283 transitions, 634 flow [2024-11-16 23:36:51,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 283 transitions, 624 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:51,596 INFO L231 Difference]: Finished difference. Result has 289 places, 281 transitions, 610 flow [2024-11-16 23:36:51,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=610, PETRI_PLACES=289, PETRI_TRANSITIONS=281} [2024-11-16 23:36:51,597 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 2 predicate places. [2024-11-16 23:36:51,598 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 281 transitions, 610 flow [2024-11-16 23:36:51,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 273.0) internal successors, (2730), 10 states have internal predecessors, (2730), 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) [2024-11-16 23:36:51,599 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:51,603 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:51,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 23:36:51,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:51,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:51,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:51,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1327548149, now seen corresponding path program 2 times [2024-11-16 23:36:51,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:51,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006477262] [2024-11-16 23:36:51,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:51,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:52,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:52,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006477262] [2024-11-16 23:36:52,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006477262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:52,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006119536] [2024-11-16 23:36:52,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:36:52,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:52,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:52,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:52,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:36:52,453 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:36:52,453 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:36:52,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 23:36:52,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:52,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-16 23:36:52,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-16 23:36:52,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:36:52,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-16 23:36:52,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:36:52,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-16 23:36:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-16 23:36:52,620 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:36:52,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006119536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:52,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:36:52,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-16 23:36:52,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260386507] [2024-11-16 23:36:52,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:52,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:52,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:52,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-16 23:36:53,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 288 [2024-11-16 23:36:53,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 281 transitions, 610 flow. Second operand has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 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) [2024-11-16 23:36:53,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:53,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 288 [2024-11-16 23:36:53,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:53,459 INFO L124 PetriNetUnfolderBase]: 257/1881 cut-off events. [2024-11-16 23:36:53,459 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:36:53,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2547 conditions, 1881 events. 257/1881 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10074 event pairs, 34 based on Foata normal form. 0/1755 useless extension candidates. Maximal degree in co-relation 2077. Up to 491 conditions per place. [2024-11-16 23:36:53,468 INFO L140 encePairwiseOnDemand]: 265/288 looper letters, 67 selfloop transitions, 70 changer transitions 0/359 dead transitions. [2024-11-16 23:36:53,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 359 transitions, 1040 flow [2024-11-16 23:36:53,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:53,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1494 transitions. [2024-11-16 23:36:53,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-11-16 23:36:53,471 INFO L175 Difference]: Start difference. First operand has 289 places, 281 transitions, 610 flow. Second operand 6 states and 1494 transitions. [2024-11-16 23:36:53,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 359 transitions, 1040 flow [2024-11-16 23:36:53,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 359 transitions, 1034 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:53,476 INFO L231 Difference]: Finished difference. Result has 298 places, 350 transitions, 1066 flow [2024-11-16 23:36:53,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1066, PETRI_PLACES=298, PETRI_TRANSITIONS=350} [2024-11-16 23:36:53,476 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 11 predicate places. [2024-11-16 23:36:53,477 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 350 transitions, 1066 flow [2024-11-16 23:36:53,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 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) [2024-11-16 23:36:53,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:53,477 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:53,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 23:36:53,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-16 23:36:53,678 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:53,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:53,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1547445487, now seen corresponding path program 1 times [2024-11-16 23:36:53,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:53,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984453513] [2024-11-16 23:36:53,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:53,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:54,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:54,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984453513] [2024-11-16 23:36:54,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984453513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:54,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453738041] [2024-11-16 23:36:54,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:54,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:54,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:54,039 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:54,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:36:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:54,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 23:36:54,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:54,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:36:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:55,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453738041] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:36:55,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:36:55,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-16 23:36:55,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281504027] [2024-11-16 23:36:55,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:36:55,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 23:36:55,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:55,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 23:36:55,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-16 23:36:55,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 288 [2024-11-16 23:36:55,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 350 transitions, 1066 flow. Second operand has 18 states, 18 states have (on average 273.0) internal successors, (4914), 18 states have internal predecessors, (4914), 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) [2024-11-16 23:36:55,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:55,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 288 [2024-11-16 23:36:55,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:55,687 INFO L124 PetriNetUnfolderBase]: 159/2007 cut-off events. [2024-11-16 23:36:55,687 INFO L125 PetriNetUnfolderBase]: For 217/231 co-relation queries the response was YES. [2024-11-16 23:36:55,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 2007 events. 159/2007 cut-off events. For 217/231 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7422 event pairs, 23 based on Foata normal form. 4/1925 useless extension candidates. Maximal degree in co-relation 1863. Up to 207 conditions per place. [2024-11-16 23:36:55,694 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 19 selfloop transitions, 21 changer transitions 0/368 dead transitions. [2024-11-16 23:36:55,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 368 transitions, 1234 flow [2024-11-16 23:36:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 23:36:55,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-16 23:36:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 5734 transitions. [2024-11-16 23:36:55,701 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9480820105820106 [2024-11-16 23:36:55,701 INFO L175 Difference]: Start difference. First operand has 298 places, 350 transitions, 1066 flow. Second operand 21 states and 5734 transitions. [2024-11-16 23:36:55,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 368 transitions, 1234 flow [2024-11-16 23:36:55,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 368 transitions, 1234 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:36:55,709 INFO L231 Difference]: Finished difference. Result has 323 places, 363 transitions, 1196 flow [2024-11-16 23:36:55,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1196, PETRI_PLACES=323, PETRI_TRANSITIONS=363} [2024-11-16 23:36:55,710 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 36 predicate places. [2024-11-16 23:36:55,710 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 363 transitions, 1196 flow [2024-11-16 23:36:55,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 273.0) internal successors, (4914), 18 states have internal predecessors, (4914), 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) [2024-11-16 23:36:55,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:55,712 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:55,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 23:36:55,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:55,913 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:55,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:55,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1017290461, now seen corresponding path program 2 times [2024-11-16 23:36:55,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:55,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321260454] [2024-11-16 23:36:55,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:55,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 0 proven. 2240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:57,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:57,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321260454] [2024-11-16 23:36:57,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321260454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:57,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439368773] [2024-11-16 23:36:57,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:36:57,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:57,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:57,208 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:57,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 23:36:57,571 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:36:57,572 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:36:57,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 23:36:57,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:57,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-16 23:36:57,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-16 23:36:57,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:36:57,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-16 23:36:57,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:36:57,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-16 23:36:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2240 trivial. 0 not checked. [2024-11-16 23:36:57,694 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:36:57,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439368773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:57,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:36:57,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-16 23:36:57,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068149937] [2024-11-16 23:36:57,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:57,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:57,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:57,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:57,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-16 23:36:58,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 288 [2024-11-16 23:36:58,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 363 transitions, 1196 flow. Second operand has 6 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 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) [2024-11-16 23:36:58,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:58,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 288 [2024-11-16 23:36:58,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:58,728 INFO L124 PetriNetUnfolderBase]: 545/3104 cut-off events. [2024-11-16 23:36:58,728 INFO L125 PetriNetUnfolderBase]: For 854/938 co-relation queries the response was YES. [2024-11-16 23:36:58,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5428 conditions, 3104 events. 545/3104 cut-off events. For 854/938 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16108 event pairs, 93 based on Foata normal form. 16/2955 useless extension candidates. Maximal degree in co-relation 4360. Up to 981 conditions per place. [2024-11-16 23:36:58,739 INFO L140 encePairwiseOnDemand]: 265/288 looper letters, 131 selfloop transitions, 130 changer transitions 0/500 dead transitions. [2024-11-16 23:36:58,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 500 transitions, 2368 flow [2024-11-16 23:36:58,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1493 transitions. [2024-11-16 23:36:58,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8640046296296297 [2024-11-16 23:36:58,742 INFO L175 Difference]: Start difference. First operand has 323 places, 363 transitions, 1196 flow. Second operand 6 states and 1493 transitions. [2024-11-16 23:36:58,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 500 transitions, 2368 flow [2024-11-16 23:36:58,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 500 transitions, 2344 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-16 23:36:58,750 INFO L231 Difference]: Finished difference. Result has 327 places, 492 transitions, 2400 flow [2024-11-16 23:36:58,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=1172, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2400, PETRI_PLACES=327, PETRI_TRANSITIONS=492} [2024-11-16 23:36:58,751 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 40 predicate places. [2024-11-16 23:36:58,751 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 492 transitions, 2400 flow [2024-11-16 23:36:58,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 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) [2024-11-16 23:36:58,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:58,752 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:36:58,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 23:36:58,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:58,957 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:36:58,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:58,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1159986292, now seen corresponding path program 1 times [2024-11-16 23:36:58,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:58,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187478475] [2024-11-16 23:36:58,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:58,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 0 proven. 2240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:00,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:00,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187478475] [2024-11-16 23:37:00,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187478475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:37:00,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022715791] [2024-11-16 23:37:00,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:00,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:37:00,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:37:00,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:37:00,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 23:37:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:00,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 3155 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 23:37:00,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:37:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 0 proven. 2240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:01,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:37:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 0 proven. 2240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:37:02,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022715791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:37:02,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:37:02,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-16 23:37:02,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709151403] [2024-11-16 23:37:02,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:37:02,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 23:37:02,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:02,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 23:37:02,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-16 23:37:02,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 288 [2024-11-16 23:37:02,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 492 transitions, 2400 flow. Second operand has 23 states, 23 states have (on average 273.0869565217391) internal successors, (6281), 23 states have internal predecessors, (6281), 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) [2024-11-16 23:37:02,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:02,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 288 [2024-11-16 23:37:02,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:03,067 INFO L124 PetriNetUnfolderBase]: 441/3133 cut-off events. [2024-11-16 23:37:03,067 INFO L125 PetriNetUnfolderBase]: For 1243/1270 co-relation queries the response was YES. [2024-11-16 23:37:03,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5383 conditions, 3133 events. 441/3133 cut-off events. For 1243/1270 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 13600 event pairs, 39 based on Foata normal form. 7/3032 useless extension candidates. Maximal degree in co-relation 4128. Up to 468 conditions per place. [2024-11-16 23:37:03,078 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 22 selfloop transitions, 30 changer transitions 0/509 dead transitions. [2024-11-16 23:37:03,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 509 transitions, 2626 flow [2024-11-16 23:37:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 23:37:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-16 23:37:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 8184 transitions. [2024-11-16 23:37:03,087 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472222222222222 [2024-11-16 23:37:03,087 INFO L175 Difference]: Start difference. First operand has 327 places, 492 transitions, 2400 flow. Second operand 30 states and 8184 transitions. [2024-11-16 23:37:03,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 509 transitions, 2626 flow [2024-11-16 23:37:03,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 509 transitions, 2626 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:37:03,097 INFO L231 Difference]: Finished difference. Result has 360 places, 502 transitions, 2552 flow [2024-11-16 23:37:03,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=2400, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2552, PETRI_PLACES=360, PETRI_TRANSITIONS=502} [2024-11-16 23:37:03,098 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 73 predicate places. [2024-11-16 23:37:03,098 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 502 transitions, 2552 flow [2024-11-16 23:37:03,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 273.0869565217391) internal successors, (6281), 23 states have internal predecessors, (6281), 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) [2024-11-16 23:37:03,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:03,100 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:03,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 23:37:03,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-16 23:37:03,301 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:03,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:03,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1635503789, now seen corresponding path program 2 times [2024-11-16 23:37:03,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:03,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118725452] [2024-11-16 23:37:03,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:03,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-16 23:37:05,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:05,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118725452] [2024-11-16 23:37:05,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118725452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:05,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:05,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:05,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530038590] [2024-11-16 23:37:05,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:05,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:05,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:05,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:05,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:06,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 288 [2024-11-16 23:37:06,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 502 transitions, 2552 flow. Second operand has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 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) [2024-11-16 23:37:06,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:06,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 288 [2024-11-16 23:37:06,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:07,355 INFO L124 PetriNetUnfolderBase]: 806/4173 cut-off events. [2024-11-16 23:37:07,356 INFO L125 PetriNetUnfolderBase]: For 3293/3479 co-relation queries the response was YES. [2024-11-16 23:37:07,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8748 conditions, 4173 events. 806/4173 cut-off events. For 3293/3479 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22374 event pairs, 74 based on Foata normal form. 76/4074 useless extension candidates. Maximal degree in co-relation 7210. Up to 1323 conditions per place. [2024-11-16 23:37:07,374 INFO L140 encePairwiseOnDemand]: 265/288 looper letters, 251 selfloop transitions, 131 changer transitions 5/640 dead transitions. [2024-11-16 23:37:07,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 640 transitions, 4226 flow [2024-11-16 23:37:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1494 transitions. [2024-11-16 23:37:07,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-11-16 23:37:07,378 INFO L175 Difference]: Start difference. First operand has 360 places, 502 transitions, 2552 flow. Second operand 6 states and 1494 transitions. [2024-11-16 23:37:07,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 640 transitions, 4226 flow [2024-11-16 23:37:07,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 640 transitions, 4180 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-16 23:37:07,397 INFO L231 Difference]: Finished difference. Result has 352 places, 630 transitions, 3986 flow [2024-11-16 23:37:07,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=2506, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3986, PETRI_PLACES=352, PETRI_TRANSITIONS=630} [2024-11-16 23:37:07,398 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 65 predicate places. [2024-11-16 23:37:07,399 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 630 transitions, 3986 flow [2024-11-16 23:37:07,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 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) [2024-11-16 23:37:07,399 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:07,400 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:07,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:37:07,400 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:07,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:07,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1321134693, now seen corresponding path program 1 times [2024-11-16 23:37:07,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:07,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023757903] [2024-11-16 23:37:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-16 23:37:09,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023757903] [2024-11-16 23:37:09,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023757903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:09,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:09,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:09,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030984510] [2024-11-16 23:37:09,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:09,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:09,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:09,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:09,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:10,054 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 288 [2024-11-16 23:37:10,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 630 transitions, 3986 flow. Second operand has 6 states, 6 states have (on average 212.66666666666666) internal successors, (1276), 6 states have internal predecessors, (1276), 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) [2024-11-16 23:37:10,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:10,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 288 [2024-11-16 23:37:10,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:11,496 INFO L124 PetriNetUnfolderBase]: 1308/5517 cut-off events. [2024-11-16 23:37:11,496 INFO L125 PetriNetUnfolderBase]: For 4864/4921 co-relation queries the response was YES. [2024-11-16 23:37:11,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13396 conditions, 5517 events. 1308/5517 cut-off events. For 4864/4921 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33815 event pairs, 369 based on Foata normal form. 11/5283 useless extension candidates. Maximal degree in co-relation 11797. Up to 2549 conditions per place. [2024-11-16 23:37:11,520 INFO L140 encePairwiseOnDemand]: 269/288 looper letters, 316 selfloop transitions, 84 changer transitions 0/709 dead transitions. [2024-11-16 23:37:11,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 709 transitions, 5184 flow [2024-11-16 23:37:11,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1372 transitions. [2024-11-16 23:37:11,522 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7939814814814815 [2024-11-16 23:37:11,522 INFO L175 Difference]: Start difference. First operand has 352 places, 630 transitions, 3986 flow. Second operand 6 states and 1372 transitions. [2024-11-16 23:37:11,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 709 transitions, 5184 flow [2024-11-16 23:37:11,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 709 transitions, 4930 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-16 23:37:11,541 INFO L231 Difference]: Finished difference. Result has 361 places, 701 transitions, 4522 flow [2024-11-16 23:37:11,541 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=3738, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=630, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4522, PETRI_PLACES=361, PETRI_TRANSITIONS=701} [2024-11-16 23:37:11,542 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 74 predicate places. [2024-11-16 23:37:11,542 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 701 transitions, 4522 flow [2024-11-16 23:37:11,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.66666666666666) internal successors, (1276), 6 states have internal predecessors, (1276), 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) [2024-11-16 23:37:11,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:11,543 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:11,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:37:11,543 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:11,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:11,544 INFO L85 PathProgramCache]: Analyzing trace with hash 494079644, now seen corresponding path program 1 times [2024-11-16 23:37:11,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:11,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81675757] [2024-11-16 23:37:11,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:11,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-16 23:37:12,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:12,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81675757] [2024-11-16 23:37:12,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81675757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:12,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:12,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:37:12,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088463126] [2024-11-16 23:37:12,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:12,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:37:12,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:12,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:37:12,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:37:12,641 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 288 [2024-11-16 23:37:12,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 701 transitions, 4522 flow. Second operand has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-16 23:37:12,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:12,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 288 [2024-11-16 23:37:12,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:12,897 INFO L124 PetriNetUnfolderBase]: 3/1396 cut-off events. [2024-11-16 23:37:12,897 INFO L125 PetriNetUnfolderBase]: For 226/227 co-relation queries the response was YES. [2024-11-16 23:37:12,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1834 conditions, 1396 events. 3/1396 cut-off events. For 226/227 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 549 event pairs, 1 based on Foata normal form. 3/1384 useless extension candidates. Maximal degree in co-relation 1500. Up to 51 conditions per place. [2024-11-16 23:37:12,900 INFO L140 encePairwiseOnDemand]: 284/288 looper letters, 2 selfloop transitions, 4 changer transitions 0/301 dead transitions. [2024-11-16 23:37:12,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 301 transitions, 1042 flow [2024-11-16 23:37:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:37:12,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:37:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 845 transitions. [2024-11-16 23:37:12,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9780092592592593 [2024-11-16 23:37:12,902 INFO L175 Difference]: Start difference. First operand has 361 places, 701 transitions, 4522 flow. Second operand 3 states and 845 transitions. [2024-11-16 23:37:12,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 301 transitions, 1042 flow [2024-11-16 23:37:12,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 301 transitions, 838 flow, removed 62 selfloop flow, removed 36 redundant places. [2024-11-16 23:37:12,906 INFO L231 Difference]: Finished difference. Result has 323 places, 301 transitions, 834 flow [2024-11-16 23:37:12,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=323, PETRI_TRANSITIONS=301} [2024-11-16 23:37:12,907 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 36 predicate places. [2024-11-16 23:37:12,907 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 301 transitions, 834 flow [2024-11-16 23:37:12,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-16 23:37:12,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:12,908 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:12,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:37:12,908 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:12,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:12,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1499409311, now seen corresponding path program 1 times [2024-11-16 23:37:12,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:12,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21088327] [2024-11-16 23:37:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:12,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-16 23:37:15,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:15,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21088327] [2024-11-16 23:37:15,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21088327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:15,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:15,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:15,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685418953] [2024-11-16 23:37:15,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:15,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:15,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:15,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:15,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:15,346 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 288 [2024-11-16 23:37:15,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 301 transitions, 834 flow. Second operand has 6 states, 6 states have (on average 212.66666666666666) internal successors, (1276), 6 states have internal predecessors, (1276), 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) [2024-11-16 23:37:15,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:15,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 288 [2024-11-16 23:37:15,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:15,632 INFO L124 PetriNetUnfolderBase]: 3/1393 cut-off events. [2024-11-16 23:37:15,632 INFO L125 PetriNetUnfolderBase]: For 142/147 co-relation queries the response was YES. [2024-11-16 23:37:15,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1393 events. 3/1393 cut-off events. For 142/147 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 533 event pairs, 1 based on Foata normal form. 0/1381 useless extension candidates. Maximal degree in co-relation 1732. Up to 456 conditions per place. [2024-11-16 23:37:15,634 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 74 selfloop transitions, 5 changer transitions 0/300 dead transitions. [2024-11-16 23:37:15,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 300 transitions, 990 flow [2024-11-16 23:37:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1310 transitions. [2024-11-16 23:37:15,636 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7581018518518519 [2024-11-16 23:37:15,636 INFO L175 Difference]: Start difference. First operand has 323 places, 301 transitions, 834 flow. Second operand 6 states and 1310 transitions. [2024-11-16 23:37:15,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 300 transitions, 990 flow [2024-11-16 23:37:15,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 300 transitions, 983 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:37:15,640 INFO L231 Difference]: Finished difference. Result has 325 places, 300 transitions, 835 flow [2024-11-16 23:37:15,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=835, PETRI_PLACES=325, PETRI_TRANSITIONS=300} [2024-11-16 23:37:15,640 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 38 predicate places. [2024-11-16 23:37:15,641 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 300 transitions, 835 flow [2024-11-16 23:37:15,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.66666666666666) internal successors, (1276), 6 states have internal predecessors, (1276), 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) [2024-11-16 23:37:15,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:15,642 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:15,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:37:15,642 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:15,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:15,643 INFO L85 PathProgramCache]: Analyzing trace with hash 36018465, now seen corresponding path program 1 times [2024-11-16 23:37:15,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:15,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452424842] [2024-11-16 23:37:15,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:15,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-16 23:37:18,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:18,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452424842] [2024-11-16 23:37:18,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452424842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:18,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:18,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:18,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272009218] [2024-11-16 23:37:18,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:18,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:18,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:18,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:18,523 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 288 [2024-11-16 23:37:18,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 300 transitions, 835 flow. Second operand has 6 states, 6 states have (on average 235.5) internal successors, (1413), 6 states have internal predecessors, (1413), 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) [2024-11-16 23:37:18,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:18,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 288 [2024-11-16 23:37:18,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:18,768 INFO L124 PetriNetUnfolderBase]: 5/1424 cut-off events. [2024-11-16 23:37:18,768 INFO L125 PetriNetUnfolderBase]: For 139/140 co-relation queries the response was YES. [2024-11-16 23:37:18,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1963 conditions, 1424 events. 5/1424 cut-off events. For 139/140 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 657 event pairs, 3 based on Foata normal form. 0/1415 useless extension candidates. Maximal degree in co-relation 1672. Up to 345 conditions per place. [2024-11-16 23:37:18,771 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 52 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2024-11-16 23:37:18,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 299 transitions, 947 flow [2024-11-16 23:37:18,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1425 transitions. [2024-11-16 23:37:18,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8246527777777778 [2024-11-16 23:37:18,772 INFO L175 Difference]: Start difference. First operand has 325 places, 300 transitions, 835 flow. Second operand 6 states and 1425 transitions. [2024-11-16 23:37:18,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 299 transitions, 947 flow [2024-11-16 23:37:18,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 299 transitions, 937 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:18,776 INFO L231 Difference]: Finished difference. Result has 324 places, 299 transitions, 833 flow [2024-11-16 23:37:18,777 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=833, PETRI_PLACES=324, PETRI_TRANSITIONS=299} [2024-11-16 23:37:18,777 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 37 predicate places. [2024-11-16 23:37:18,777 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 299 transitions, 833 flow [2024-11-16 23:37:18,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.5) internal successors, (1413), 6 states have internal predecessors, (1413), 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) [2024-11-16 23:37:18,778 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:18,778 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:18,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:37:18,778 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:18,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:18,779 INFO L85 PathProgramCache]: Analyzing trace with hash 777772102, now seen corresponding path program 1 times [2024-11-16 23:37:18,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:18,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127324028] [2024-11-16 23:37:18,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:18,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-16 23:37:20,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:20,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127324028] [2024-11-16 23:37:20,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127324028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:20,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:20,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:20,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323826912] [2024-11-16 23:37:20,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:20,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:20,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:20,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:20,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:21,237 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 288 [2024-11-16 23:37:21,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 299 transitions, 833 flow. Second operand has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 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) [2024-11-16 23:37:21,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:21,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 288 [2024-11-16 23:37:21,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:21,472 INFO L124 PetriNetUnfolderBase]: 3/1387 cut-off events. [2024-11-16 23:37:21,472 INFO L125 PetriNetUnfolderBase]: For 138/139 co-relation queries the response was YES. [2024-11-16 23:37:21,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1928 conditions, 1387 events. 3/1387 cut-off events. For 138/139 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 505 event pairs, 1 based on Foata normal form. 0/1384 useless extension candidates. Maximal degree in co-relation 1673. Up to 351 conditions per place. [2024-11-16 23:37:21,474 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 54 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2024-11-16 23:37:21,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 298 transitions, 949 flow [2024-11-16 23:37:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:21,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:21,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1415 transitions. [2024-11-16 23:37:21,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8188657407407407 [2024-11-16 23:37:21,476 INFO L175 Difference]: Start difference. First operand has 324 places, 299 transitions, 833 flow. Second operand 6 states and 1415 transitions. [2024-11-16 23:37:21,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 298 transitions, 949 flow [2024-11-16 23:37:21,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 298 transitions, 939 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:21,480 INFO L231 Difference]: Finished difference. Result has 323 places, 298 transitions, 831 flow [2024-11-16 23:37:21,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=831, PETRI_PLACES=323, PETRI_TRANSITIONS=298} [2024-11-16 23:37:21,480 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 36 predicate places. [2024-11-16 23:37:21,480 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 298 transitions, 831 flow [2024-11-16 23:37:21,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 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) [2024-11-16 23:37:21,481 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:21,481 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:21,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:37:21,481 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:21,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:21,482 INFO L85 PathProgramCache]: Analyzing trace with hash -954153872, now seen corresponding path program 1 times [2024-11-16 23:37:21,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:21,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810417464] [2024-11-16 23:37:21,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:21,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-16 23:37:23,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:23,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810417464] [2024-11-16 23:37:23,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810417464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:23,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:23,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:23,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173087333] [2024-11-16 23:37:23,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:23,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:23,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:23,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:23,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:24,025 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 288 [2024-11-16 23:37:24,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 298 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 210.5) internal successors, (1263), 6 states have internal predecessors, (1263), 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) [2024-11-16 23:37:24,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:24,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 288 [2024-11-16 23:37:24,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:24,238 INFO L124 PetriNetUnfolderBase]: 3/1384 cut-off events. [2024-11-16 23:37:24,238 INFO L125 PetriNetUnfolderBase]: For 140/145 co-relation queries the response was YES. [2024-11-16 23:37:24,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2047 conditions, 1384 events. 3/1384 cut-off events. For 140/145 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 493 event pairs, 1 based on Foata normal form. 0/1381 useless extension candidates. Maximal degree in co-relation 1813. Up to 473 conditions per place. [2024-11-16 23:37:24,241 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 80 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2024-11-16 23:37:24,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 297 transitions, 999 flow [2024-11-16 23:37:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1285 transitions. [2024-11-16 23:37:24,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7436342592592593 [2024-11-16 23:37:24,243 INFO L175 Difference]: Start difference. First operand has 323 places, 298 transitions, 831 flow. Second operand 6 states and 1285 transitions. [2024-11-16 23:37:24,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 297 transitions, 999 flow [2024-11-16 23:37:24,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 297 transitions, 989 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:24,247 INFO L231 Difference]: Finished difference. Result has 322 places, 297 transitions, 829 flow [2024-11-16 23:37:24,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=829, PETRI_PLACES=322, PETRI_TRANSITIONS=297} [2024-11-16 23:37:24,248 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 35 predicate places. [2024-11-16 23:37:24,248 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 297 transitions, 829 flow [2024-11-16 23:37:24,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 210.5) internal successors, (1263), 6 states have internal predecessors, (1263), 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) [2024-11-16 23:37:24,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:37:24,249 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:24,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:37:24,249 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-16 23:37:24,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:37:24,249 INFO L85 PathProgramCache]: Analyzing trace with hash 57109108, now seen corresponding path program 1 times [2024-11-16 23:37:24,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:37:24,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673352942] [2024-11-16 23:37:24,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:37:24,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:37:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:37:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-16 23:37:26,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:37:26,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673352942] [2024-11-16 23:37:26,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673352942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:37:26,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:37:26,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:37:26,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314576129] [2024-11-16 23:37:26,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:37:26,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:37:26,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:37:26,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:37:26,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:37:26,637 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 288 [2024-11-16 23:37:26,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 297 transitions, 829 flow. Second operand has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 states have internal predecessors, (1272), 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) [2024-11-16 23:37:26,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:37:26,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 288 [2024-11-16 23:37:26,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:37:26,822 INFO L124 PetriNetUnfolderBase]: 3/1381 cut-off events. [2024-11-16 23:37:26,823 INFO L125 PetriNetUnfolderBase]: For 140/145 co-relation queries the response was YES. [2024-11-16 23:37:26,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2041 conditions, 1381 events. 3/1381 cut-off events. For 140/145 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 475 event pairs, 1 based on Foata normal form. 0/1381 useless extension candidates. Maximal degree in co-relation 1852. Up to 470 conditions per place. [2024-11-16 23:37:26,825 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 0 selfloop transitions, 0 changer transitions 296/296 dead transitions. [2024-11-16 23:37:26,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 296 transitions, 995 flow [2024-11-16 23:37:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:37:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:37:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1290 transitions. [2024-11-16 23:37:26,826 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7465277777777778 [2024-11-16 23:37:26,826 INFO L175 Difference]: Start difference. First operand has 322 places, 297 transitions, 829 flow. Second operand 6 states and 1290 transitions. [2024-11-16 23:37:26,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 296 transitions, 995 flow [2024-11-16 23:37:26,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 296 transitions, 985 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:37:26,829 INFO L231 Difference]: Finished difference. Result has 321 places, 0 transitions, 0 flow [2024-11-16 23:37:26,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=321, PETRI_TRANSITIONS=0} [2024-11-16 23:37:26,830 INFO L277 CegarLoopForPetriNet]: 287 programPoint places, 34 predicate places. [2024-11-16 23:37:26,830 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 0 transitions, 0 flow [2024-11-16 23:37:26,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 states have internal predecessors, (1272), 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) [2024-11-16 23:37:26,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2024-11-16 23:37:26,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-11-16 23:37:26,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-11-16 23:37:26,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-11-16 23:37:26,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-11-16 23:37:26,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-11-16 23:37:26,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-11-16 23:37:26,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-11-16 23:37:26,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-11-16 23:37:26,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-11-16 23:37:26,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:37:26,838 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:37:26,842 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:37:26,842 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:37:26,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:37:26 BasicIcfg [2024-11-16 23:37:26,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:37:26,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:37:26,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:37:26,846 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:37:26,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:36:43" (3/4) ... [2024-11-16 23:37:26,847 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:37:26,849 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-16 23:37:26,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-16 23:37:26,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:37:26,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:37:26,924 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:37:26,925 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:37:26,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:37:26,925 INFO L158 Benchmark]: Toolchain (without parser) took 44668.02ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 68.4MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 697.0MB. Max. memory is 16.1GB. [2024-11-16 23:37:26,926 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:37:26,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.62ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 68.1MB in the beginning and 152.7MB in the end (delta: -84.6MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-11-16 23:37:26,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.03ms. Allocated memory is still 207.6MB. Free memory was 152.7MB in the beginning and 148.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:37:26,926 INFO L158 Benchmark]: Boogie Preprocessor took 51.00ms. Allocated memory is still 207.6MB. Free memory was 147.4MB in the beginning and 144.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:37:26,926 INFO L158 Benchmark]: IcfgBuilder took 604.96ms. Allocated memory is still 207.6MB. Free memory was 144.3MB in the beginning and 107.6MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-16 23:37:26,927 INFO L158 Benchmark]: TraceAbstraction took 43248.91ms. Allocated memory was 207.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 107.6MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 661.1MB. Max. memory is 16.1GB. [2024-11-16 23:37:26,927 INFO L158 Benchmark]: Witness Printer took 79.35ms. Allocated memory is still 2.7GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:37:26,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.62ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 68.1MB in the beginning and 152.7MB in the end (delta: -84.6MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.03ms. Allocated memory is still 207.6MB. Free memory was 152.7MB in the beginning and 148.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.00ms. Allocated memory is still 207.6MB. Free memory was 147.4MB in the beginning and 144.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 604.96ms. Allocated memory is still 207.6MB. Free memory was 144.3MB in the beginning and 107.6MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 43248.91ms. Allocated memory was 207.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 107.6MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 661.1MB. Max. memory is 16.1GB. * Witness Printer took 79.35ms. Allocated memory is still 2.7GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1264]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1264]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1265]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1259]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1260]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1249]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 376 locations, 25 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: 43.1s, OverallIterations: 21, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5012 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3115 mSDsluCounter, 692 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 938 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10188 IncrementalHoareTripleChecker+Invalid, 11126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 938 mSolverCounterUnsat, 187 mSDtfsCounter, 10188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4039 GetRequests, 3861 SyntacticMatches, 11 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4522occurred in iteration=15, InterpolantAutomatonStates: 162, 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: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 14944 NumberOfCodeBlocks, 13884 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 16262 ConstructedInterpolants, 0 QuantifiedInterpolants, 26996 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5459 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 29 InterpolantComputations, 18 PerfectInterpolantSequences, 40884/51146 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:37:26,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE