./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 17:07:36,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:07:36,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:07:36,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:07:36,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:07:36,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:07:36,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:07:36,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:07:36,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:07:36,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:07:36,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:07:36,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:07:36,245 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:07:36,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:07:36,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:07:36,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:07:36,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:07:36,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:07:36,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:07:36,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:07:36,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:07:36,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:07:36,253 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:07:36,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:07:36,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:07:36,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:07:36,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:07:36,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:07:36,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:07:36,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:07:36,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:07:36,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:07:36,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:07:36,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:07:36,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:07:36,255 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:07:36,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:07:36,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:07:36,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:07:36,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:07:36,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:07:36,257 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa [2024-10-11 17:07:36,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:07:36,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:07:36,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:07:36,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:07:36,518 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:07:36,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-10-11 17:07:37,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:07:38,112 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:07:38,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-10-11 17:07:38,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/015fd8ec5/24a61d466067468ab5078188f3e6c9ae/FLAGb2a11bbb4 [2024-10-11 17:07:38,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/015fd8ec5/24a61d466067468ab5078188f3e6c9ae [2024-10-11 17:07:38,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:07:38,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:07:38,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:07:38,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:07:38,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:07:38,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eea4d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38, skipping insertion in model container [2024-10-11 17:07:38,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:07:38,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:07:38,602 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:07:38,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:07:38,765 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:07:38,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38 WrapperNode [2024-10-11 17:07:38,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:07:38,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:07:38,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:07:38,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:07:38,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,846 INFO L138 Inliner]: procedures = 371, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 236 [2024-10-11 17:07:38,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:07:38,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:07:38,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:07:38,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:07:38,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:07:38,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:07:38,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:07:38,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:07:38,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (1/1) ... [2024-10-11 17:07:38,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:07:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:07:38,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:07:38,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:07:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-11 17:07:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:07:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 17:07:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:07:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:07:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 17:07:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:07:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-11 17:07:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-11 17:07:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-11 17:07:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:07:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:07:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:07:39,002 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:07:39,154 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:07:39,156 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:07:39,510 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:07:39,510 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:07:39,531 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:07:39,531 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 17:07:39,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:07:39 BoogieIcfgContainer [2024-10-11 17:07:39,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:07:39,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:07:39,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:07:39,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:07:39,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:07:38" (1/3) ... [2024-10-11 17:07:39,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d47b0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:07:39, skipping insertion in model container [2024-10-11 17:07:39,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:07:38" (2/3) ... [2024-10-11 17:07:39,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d47b0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:07:39, skipping insertion in model container [2024-10-11 17:07:39,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:07:39" (3/3) ... [2024-10-11 17:07:39,538 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_09-arraylist.i [2024-10-11 17:07:39,556 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:07:39,556 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-11 17:07:39,556 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:07:39,641 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 17:07:39,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 278 places, 278 transitions, 560 flow [2024-10-11 17:07:39,757 INFO L124 PetriNetUnfolderBase]: 4/277 cut-off events. [2024-10-11 17:07:39,757 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:39,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 277 events. 4/277 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 390 event pairs, 0 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2024-10-11 17:07:39,765 INFO L82 GeneralOperation]: Start removeDead. Operand has 278 places, 278 transitions, 560 flow [2024-10-11 17:07:39,773 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 277 places, 277 transitions, 557 flow [2024-10-11 17:07:39,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:07:39,788 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;@3e7eb6f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:07:39,789 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-10-11 17:07:39,802 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:07:39,803 INFO L124 PetriNetUnfolderBase]: 2/66 cut-off events. [2024-10-11 17:07:39,803 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:39,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:39,804 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] [2024-10-11 17:07:39,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:39,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash 878129378, now seen corresponding path program 1 times [2024-10-11 17:07:39,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:39,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293275367] [2024-10-11 17:07:39,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:39,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:40,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:40,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293275367] [2024-10-11 17:07:40,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293275367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:40,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:40,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:40,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646709256] [2024-10-11 17:07:40,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:40,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:40,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:40,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:40,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:41,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 278 [2024-10-11 17:07:41,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 277 transitions, 557 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-10-11 17:07:41,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:41,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 278 [2024-10-11 17:07:41,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:41,350 INFO L124 PetriNetUnfolderBase]: 365/1634 cut-off events. [2024-10-11 17:07:41,350 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:07:41,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2448 conditions, 1634 events. 365/1634 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10140 event pairs, 364 based on Foata normal form. 13/1520 useless extension candidates. Maximal degree in co-relation 2256. Up to 800 conditions per place. [2024-10-11 17:07:41,360 INFO L140 encePairwiseOnDemand]: 263/278 looper letters, 71 selfloop transitions, 10 changer transitions 1/272 dead transitions. [2024-10-11 17:07:41,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 272 transitions, 709 flow [2024-10-11 17:07:41,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1238 transitions. [2024-10-11 17:07:41,380 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7422062350119905 [2024-10-11 17:07:41,383 INFO L175 Difference]: Start difference. First operand has 277 places, 277 transitions, 557 flow. Second operand 6 states and 1238 transitions. [2024-10-11 17:07:41,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 272 transitions, 709 flow [2024-10-11 17:07:41,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 272 transitions, 708 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:07:41,394 INFO L231 Difference]: Finished difference. Result has 279 places, 271 transitions, 564 flow [2024-10-11 17:07:41,396 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=564, PETRI_PLACES=279, PETRI_TRANSITIONS=271} [2024-10-11 17:07:41,399 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 2 predicate places. [2024-10-11 17:07:41,400 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 271 transitions, 564 flow [2024-10-11 17:07:41,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-10-11 17:07:41,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:41,401 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] [2024-10-11 17:07:41,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:07:41,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:41,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:41,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1197408328, now seen corresponding path program 1 times [2024-10-11 17:07:41,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:41,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713052722] [2024-10-11 17:07:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:41,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713052722] [2024-10-11 17:07:41,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713052722] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:41,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:41,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 17:07:41,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122782483] [2024-10-11 17:07:41,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:41,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:07:41,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:41,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:07:41,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:07:41,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 278 [2024-10-11 17:07:41,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 271 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-10-11 17:07:41,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:41,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 278 [2024-10-11 17:07:41,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:41,554 INFO L124 PetriNetUnfolderBase]: 7/458 cut-off events. [2024-10-11 17:07:41,555 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:07:41,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 458 events. 7/458 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 852 event pairs, 6 based on Foata normal form. 1/425 useless extension candidates. Maximal degree in co-relation 299. Up to 24 conditions per place. [2024-10-11 17:07:41,556 INFO L140 encePairwiseOnDemand]: 275/278 looper letters, 10 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2024-10-11 17:07:41,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 272 transitions, 590 flow [2024-10-11 17:07:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:07:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:07:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 805 transitions. [2024-10-11 17:07:41,558 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9652278177458034 [2024-10-11 17:07:41,558 INFO L175 Difference]: Start difference. First operand has 279 places, 271 transitions, 564 flow. Second operand 3 states and 805 transitions. [2024-10-11 17:07:41,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 272 transitions, 590 flow [2024-10-11 17:07:41,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 272 transitions, 570 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:41,565 INFO L231 Difference]: Finished difference. Result has 276 places, 272 transitions, 556 flow [2024-10-11 17:07:41,566 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=276, PETRI_TRANSITIONS=272} [2024-10-11 17:07:41,567 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -1 predicate places. [2024-10-11 17:07:41,567 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 272 transitions, 556 flow [2024-10-11 17:07:41,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-10-11 17:07:41,568 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:41,568 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] [2024-10-11 17:07:41,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:07:41,568 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:41,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:41,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1109502153, now seen corresponding path program 1 times [2024-10-11 17:07:41,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:41,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445564665] [2024-10-11 17:07:41,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:41,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:41,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:41,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445564665] [2024-10-11 17:07:41,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445564665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:41,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:41,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:41,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202582465] [2024-10-11 17:07:41,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:41,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:41,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:41,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:41,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:42,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 278 [2024-10-11 17:07:42,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 272 transitions, 556 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-10-11 17:07:42,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:42,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 278 [2024-10-11 17:07:42,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:42,523 INFO L124 PetriNetUnfolderBase]: 365/1740 cut-off events. [2024-10-11 17:07:42,523 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:07:42,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2600 conditions, 1740 events. 365/1740 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10121 event pairs, 364 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 2417. Up to 830 conditions per place. [2024-10-11 17:07:42,529 INFO L140 encePairwiseOnDemand]: 266/278 looper letters, 71 selfloop transitions, 10 changer transitions 0/270 dead transitions. [2024-10-11 17:07:42,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 270 transitions, 714 flow [2024-10-11 17:07:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1235 transitions. [2024-10-11 17:07:42,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7404076738609112 [2024-10-11 17:07:42,533 INFO L175 Difference]: Start difference. First operand has 276 places, 272 transitions, 556 flow. Second operand 6 states and 1235 transitions. [2024-10-11 17:07:42,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 270 transitions, 714 flow [2024-10-11 17:07:42,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 270 transitions, 712 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:07:42,536 INFO L231 Difference]: Finished difference. Result has 278 places, 270 transitions, 570 flow [2024-10-11 17:07:42,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=570, PETRI_PLACES=278, PETRI_TRANSITIONS=270} [2024-10-11 17:07:42,537 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 1 predicate places. [2024-10-11 17:07:42,538 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 270 transitions, 570 flow [2024-10-11 17:07:42,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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) [2024-10-11 17:07:42,538 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:42,539 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] [2024-10-11 17:07:42,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:07:42,539 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:42,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:42,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1776991672, now seen corresponding path program 1 times [2024-10-11 17:07:42,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:42,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047466868] [2024-10-11 17:07:42,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:42,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:42,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:42,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047466868] [2024-10-11 17:07:42,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047466868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:42,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:42,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:42,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280622067] [2024-10-11 17:07:42,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:42,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:42,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:42,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:42,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:43,180 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 278 [2024-10-11 17:07:43,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 270 transitions, 570 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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) [2024-10-11 17:07:43,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:43,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 278 [2024-10-11 17:07:43,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:43,360 INFO L124 PetriNetUnfolderBase]: 391/1827 cut-off events. [2024-10-11 17:07:43,361 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-11 17:07:43,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2765 conditions, 1827 events. 391/1827 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10848 event pairs, 390 based on Foata normal form. 0/1696 useless extension candidates. Maximal degree in co-relation 2499. Up to 899 conditions per place. [2024-10-11 17:07:43,365 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 83 selfloop transitions, 5 changer transitions 0/269 dead transitions. [2024-10-11 17:07:43,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 269 transitions, 744 flow [2024-10-11 17:07:43,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1210 transitions. [2024-10-11 17:07:43,368 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7254196642685852 [2024-10-11 17:07:43,368 INFO L175 Difference]: Start difference. First operand has 278 places, 270 transitions, 570 flow. Second operand 6 states and 1210 transitions. [2024-10-11 17:07:43,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 269 transitions, 744 flow [2024-10-11 17:07:43,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 269 transitions, 724 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:43,371 INFO L231 Difference]: Finished difference. Result has 277 places, 269 transitions, 558 flow [2024-10-11 17:07:43,372 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=558, PETRI_PLACES=277, PETRI_TRANSITIONS=269} [2024-10-11 17:07:43,372 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 0 predicate places. [2024-10-11 17:07:43,372 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 269 transitions, 558 flow [2024-10-11 17:07:43,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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) [2024-10-11 17:07:43,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:43,373 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] [2024-10-11 17:07:43,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:07:43,373 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:43,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:43,374 INFO L85 PathProgramCache]: Analyzing trace with hash -31320805, now seen corresponding path program 1 times [2024-10-11 17:07:43,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:43,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646458253] [2024-10-11 17:07:43,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:43,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:43,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:43,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646458253] [2024-10-11 17:07:43,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646458253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:43,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:43,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:43,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355976407] [2024-10-11 17:07:43,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:43,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:43,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:43,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:43,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:44,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 278 [2024-10-11 17:07:44,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 269 transitions, 558 flow. Second operand has 6 states, 6 states have (on average 217.83333333333334) internal successors, (1307), 6 states have internal predecessors, (1307), 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) [2024-10-11 17:07:44,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:44,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 278 [2024-10-11 17:07:44,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:44,263 INFO L124 PetriNetUnfolderBase]: 55/693 cut-off events. [2024-10-11 17:07:44,263 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-11 17:07:44,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 693 events. 55/693 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2625 event pairs, 54 based on Foata normal form. 0/641 useless extension candidates. Maximal degree in co-relation 717. Up to 195 conditions per place. [2024-10-11 17:07:44,265 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 57 selfloop transitions, 5 changer transitions 0/268 dead transitions. [2024-10-11 17:07:44,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 268 transitions, 680 flow [2024-10-11 17:07:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:44,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1340 transitions. [2024-10-11 17:07:44,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8033573141486811 [2024-10-11 17:07:44,268 INFO L175 Difference]: Start difference. First operand has 277 places, 269 transitions, 558 flow. Second operand 6 states and 1340 transitions. [2024-10-11 17:07:44,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 268 transitions, 680 flow [2024-10-11 17:07:44,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 268 transitions, 670 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:44,271 INFO L231 Difference]: Finished difference. Result has 276 places, 268 transitions, 556 flow [2024-10-11 17:07:44,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=556, PETRI_PLACES=276, PETRI_TRANSITIONS=268} [2024-10-11 17:07:44,272 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -1 predicate places. [2024-10-11 17:07:44,272 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 268 transitions, 556 flow [2024-10-11 17:07:44,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 217.83333333333334) internal successors, (1307), 6 states have internal predecessors, (1307), 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) [2024-10-11 17:07:44,273 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:44,273 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] [2024-10-11 17:07:44,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:07:44,274 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:44,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:44,274 INFO L85 PathProgramCache]: Analyzing trace with hash -222392183, now seen corresponding path program 1 times [2024-10-11 17:07:44,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:44,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347404118] [2024-10-11 17:07:44,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:44,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:44,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:44,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347404118] [2024-10-11 17:07:44,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347404118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:44,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:44,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:44,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108363486] [2024-10-11 17:07:44,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:44,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:44,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:44,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:44,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:45,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-11 17:07:45,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 268 transitions, 556 flow. Second operand has 6 states, 6 states have (on average 220.5) internal successors, (1323), 6 states have internal predecessors, (1323), 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) [2024-10-11 17:07:45,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:45,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-11 17:07:45,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:45,176 INFO L124 PetriNetUnfolderBase]: 37/608 cut-off events. [2024-10-11 17:07:45,176 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:07:45,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 608 events. 37/608 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2079 event pairs, 36 based on Foata normal form. 0/569 useless extension candidates. Maximal degree in co-relation 581. Up to 158 conditions per place. [2024-10-11 17:07:45,178 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 53 selfloop transitions, 5 changer transitions 0/267 dead transitions. [2024-10-11 17:07:45,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 267 transitions, 670 flow [2024-10-11 17:07:45,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1355 transitions. [2024-10-11 17:07:45,180 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8123501199040767 [2024-10-11 17:07:45,181 INFO L175 Difference]: Start difference. First operand has 276 places, 268 transitions, 556 flow. Second operand 6 states and 1355 transitions. [2024-10-11 17:07:45,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 267 transitions, 670 flow [2024-10-11 17:07:45,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 267 transitions, 660 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:45,184 INFO L231 Difference]: Finished difference. Result has 275 places, 267 transitions, 554 flow [2024-10-11 17:07:45,184 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=554, PETRI_PLACES=275, PETRI_TRANSITIONS=267} [2024-10-11 17:07:45,185 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -2 predicate places. [2024-10-11 17:07:45,185 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 267 transitions, 554 flow [2024-10-11 17:07:45,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 220.5) internal successors, (1323), 6 states have internal predecessors, (1323), 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) [2024-10-11 17:07:45,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:45,186 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] [2024-10-11 17:07:45,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:07:45,186 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:45,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:45,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1253977615, now seen corresponding path program 1 times [2024-10-11 17:07:45,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:45,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401287863] [2024-10-11 17:07:45,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:45,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:45,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:45,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401287863] [2024-10-11 17:07:45,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401287863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:45,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:45,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:45,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471957985] [2024-10-11 17:07:45,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:45,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:45,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:45,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:45,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:45,712 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 278 [2024-10-11 17:07:45,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 267 transitions, 554 flow. Second operand has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 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) [2024-10-11 17:07:45,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:45,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 278 [2024-10-11 17:07:45,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:45,921 INFO L124 PetriNetUnfolderBase]: 365/1732 cut-off events. [2024-10-11 17:07:45,921 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:07:45,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2607 conditions, 1732 events. 365/1732 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. 0/1612 useless extension candidates. Maximal degree in co-relation 2399. Up to 846 conditions per place. [2024-10-11 17:07:45,938 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 79 selfloop transitions, 5 changer transitions 0/266 dead transitions. [2024-10-11 17:07:45,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 266 transitions, 720 flow [2024-10-11 17:07:45,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2024-10-11 17:07:45,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7344124700239808 [2024-10-11 17:07:45,941 INFO L175 Difference]: Start difference. First operand has 275 places, 267 transitions, 554 flow. Second operand 6 states and 1225 transitions. [2024-10-11 17:07:45,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 266 transitions, 720 flow [2024-10-11 17:07:45,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 266 transitions, 710 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:45,949 INFO L231 Difference]: Finished difference. Result has 274 places, 266 transitions, 552 flow [2024-10-11 17:07:45,950 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=552, PETRI_PLACES=274, PETRI_TRANSITIONS=266} [2024-10-11 17:07:45,951 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -3 predicate places. [2024-10-11 17:07:45,954 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 266 transitions, 552 flow [2024-10-11 17:07:45,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 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) [2024-10-11 17:07:45,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:45,955 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] [2024-10-11 17:07:45,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:07:45,955 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:45,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:45,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1091639508, now seen corresponding path program 1 times [2024-10-11 17:07:45,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:45,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076080678] [2024-10-11 17:07:45,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:45,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:46,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:46,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076080678] [2024-10-11 17:07:46,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076080678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:46,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:07:46,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:07:46,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576031525] [2024-10-11 17:07:46,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:46,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:46,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:46,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:46,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:07:46,559 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 278 [2024-10-11 17:07:46,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 266 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 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) [2024-10-11 17:07:46,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:46,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 278 [2024-10-11 17:07:46,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:46,763 INFO L124 PetriNetUnfolderBase]: 365/1730 cut-off events. [2024-10-11 17:07:46,763 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:07:46,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2603 conditions, 1730 events. 365/1730 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10062 event pairs, 364 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 2404. Up to 844 conditions per place. [2024-10-11 17:07:46,769 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 78 selfloop transitions, 5 changer transitions 0/265 dead transitions. [2024-10-11 17:07:46,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 265 transitions, 716 flow [2024-10-11 17:07:46,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:46,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1230 transitions. [2024-10-11 17:07:46,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.737410071942446 [2024-10-11 17:07:46,772 INFO L175 Difference]: Start difference. First operand has 274 places, 266 transitions, 552 flow. Second operand 6 states and 1230 transitions. [2024-10-11 17:07:46,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 265 transitions, 716 flow [2024-10-11 17:07:46,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 265 transitions, 706 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:46,775 INFO L231 Difference]: Finished difference. Result has 273 places, 265 transitions, 550 flow [2024-10-11 17:07:46,776 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=550, PETRI_PLACES=273, PETRI_TRANSITIONS=265} [2024-10-11 17:07:46,776 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, -4 predicate places. [2024-10-11 17:07:46,776 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 265 transitions, 550 flow [2024-10-11 17:07:46,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 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) [2024-10-11 17:07:46,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:46,777 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:07:46,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:07:46,778 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:46,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:46,778 INFO L85 PathProgramCache]: Analyzing trace with hash -920480949, now seen corresponding path program 1 times [2024-10-11 17:07:46,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:46,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935560289] [2024-10-11 17:07:46,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:46,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:46,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:46,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935560289] [2024-10-11 17:07:46,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935560289] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 17:07:46,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245185538] [2024-10-11 17:07:46,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:46,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 17:07:46,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:07:46,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 17:07:46,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 17:07:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:47,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 17:07:47,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:07:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:47,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:07:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:47,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245185538] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:07:47,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 17:07:47,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 17:07:47,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162300246] [2024-10-11 17:07:47,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 17:07:47,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 17:07:47,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:47,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 17:07:47,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 17:07:47,590 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 278 [2024-10-11 17:07:47,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 265 transitions, 550 flow. Second operand has 10 states, 10 states have (on average 263.0) internal successors, (2630), 10 states have internal predecessors, (2630), 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) [2024-10-11 17:07:47,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:47,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 278 [2024-10-11 17:07:47,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:47,684 INFO L124 PetriNetUnfolderBase]: 7/551 cut-off events. [2024-10-11 17:07:47,684 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:07:47,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 551 events. 7/551 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 393 event pairs, 6 based on Foata normal form. 2/533 useless extension candidates. Maximal degree in co-relation 244. Up to 24 conditions per place. [2024-10-11 17:07:47,686 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 14 selfloop transitions, 9 changer transitions 0/273 dead transitions. [2024-10-11 17:07:47,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 273 transitions, 614 flow [2024-10-11 17:07:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 17:07:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-11 17:07:47,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2374 transitions. [2024-10-11 17:07:47,690 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9488409272581935 [2024-10-11 17:07:47,690 INFO L175 Difference]: Start difference. First operand has 273 places, 265 transitions, 550 flow. Second operand 9 states and 2374 transitions. [2024-10-11 17:07:47,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 273 transitions, 614 flow [2024-10-11 17:07:47,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 273 transitions, 604 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:07:47,693 INFO L231 Difference]: Finished difference. Result has 279 places, 271 transitions, 590 flow [2024-10-11 17:07:47,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=590, PETRI_PLACES=279, PETRI_TRANSITIONS=271} [2024-10-11 17:07:47,695 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 2 predicate places. [2024-10-11 17:07:47,695 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 271 transitions, 590 flow [2024-10-11 17:07:47,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 263.0) internal successors, (2630), 10 states have internal predecessors, (2630), 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) [2024-10-11 17:07:47,697 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:47,698 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-10-11 17:07:47,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 17:07:47,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 17:07:47,903 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:47,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:47,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1395415573, now seen corresponding path program 2 times [2024-10-11 17:07:47,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:47,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636943995] [2024-10-11 17:07:47,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:47,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:48,293 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:48,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:48,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636943995] [2024-10-11 17:07:48,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636943995] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 17:07:48,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554638647] [2024-10-11 17:07:48,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 17:07:48,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 17:07:48,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:07:48,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 17:07:48,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 17:07:48,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 17:07:48,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 17:07:48,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 17:07:48,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:07:48,563 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 [2024-10-11 17:07:48,577 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 [2024-10-11 17:07:48,607 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 17:07:48,607 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 [2024-10-11 17:07:48,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 17:07:48,638 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 [2024-10-11 17:07:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-11 17:07:48,661 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:07:48,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554638647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:48,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 17:07:48,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-10-11 17:07:48,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877348873] [2024-10-11 17:07:48,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:48,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:48,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:48,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:48,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-11 17:07:49,194 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-11 17:07:49,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 271 transitions, 590 flow. Second operand has 6 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 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) [2024-10-11 17:07:49,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:49,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-11 17:07:49,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:49,504 INFO L124 PetriNetUnfolderBase]: 257/1805 cut-off events. [2024-10-11 17:07:49,505 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-11 17:07:49,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2471 conditions, 1805 events. 257/1805 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9078 event pairs, 37 based on Foata normal form. 0/1683 useless extension candidates. Maximal degree in co-relation 2013. Up to 491 conditions per place. [2024-10-11 17:07:49,512 INFO L140 encePairwiseOnDemand]: 255/278 looper letters, 67 selfloop transitions, 70 changer transitions 0/349 dead transitions. [2024-10-11 17:07:49,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 349 transitions, 1020 flow [2024-10-11 17:07:49,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1434 transitions. [2024-10-11 17:07:49,515 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597122302158273 [2024-10-11 17:07:49,515 INFO L175 Difference]: Start difference. First operand has 279 places, 271 transitions, 590 flow. Second operand 6 states and 1434 transitions. [2024-10-11 17:07:49,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 349 transitions, 1020 flow [2024-10-11 17:07:49,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 349 transitions, 1014 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-11 17:07:49,520 INFO L231 Difference]: Finished difference. Result has 288 places, 340 transitions, 1046 flow [2024-10-11 17:07:49,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1046, PETRI_PLACES=288, PETRI_TRANSITIONS=340} [2024-10-11 17:07:49,520 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 11 predicate places. [2024-10-11 17:07:49,521 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 340 transitions, 1046 flow [2024-10-11 17:07:49,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 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) [2024-10-11 17:07:49,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:49,522 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-10-11 17:07:49,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 17:07:49,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 17:07:49,723 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:49,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:49,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1810345608, now seen corresponding path program 1 times [2024-10-11 17:07:49,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:49,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299357490] [2024-10-11 17:07:49,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:49,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:50,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:50,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299357490] [2024-10-11 17:07:50,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299357490] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 17:07:50,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255900316] [2024-10-11 17:07:50,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:50,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 17:07:50,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:07:50,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 17:07:50,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 17:07:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:50,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 17:07:50,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:07:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:50,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:07:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:51,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255900316] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:07:51,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 17:07:51,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-11 17:07:51,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080569520] [2024-10-11 17:07:51,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 17:07:51,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 17:07:51,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:51,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 17:07:51,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-11 17:07:51,434 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 278 [2024-10-11 17:07:51,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 340 transitions, 1046 flow. Second operand has 18 states, 18 states have (on average 263.0) internal successors, (4734), 18 states have internal predecessors, (4734), 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) [2024-10-11 17:07:51,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:51,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 278 [2024-10-11 17:07:51,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:51,887 INFO L124 PetriNetUnfolderBase]: 120/1944 cut-off events. [2024-10-11 17:07:51,888 INFO L125 PetriNetUnfolderBase]: For 184/204 co-relation queries the response was YES. [2024-10-11 17:07:51,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2609 conditions, 1944 events. 120/1944 cut-off events. For 184/204 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7308 event pairs, 21 based on Foata normal form. 4/1861 useless extension candidates. Maximal degree in co-relation 1761. Up to 206 conditions per place. [2024-10-11 17:07:51,894 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 19 selfloop transitions, 21 changer transitions 0/358 dead transitions. [2024-10-11 17:07:51,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 358 transitions, 1214 flow [2024-10-11 17:07:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 17:07:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-11 17:07:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 5524 transitions. [2024-10-11 17:07:51,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946214457005824 [2024-10-11 17:07:51,902 INFO L175 Difference]: Start difference. First operand has 288 places, 340 transitions, 1046 flow. Second operand 21 states and 5524 transitions. [2024-10-11 17:07:51,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 358 transitions, 1214 flow [2024-10-11 17:07:51,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 358 transitions, 1214 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:07:51,911 INFO L231 Difference]: Finished difference. Result has 313 places, 353 transitions, 1176 flow [2024-10-11 17:07:51,912 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1046, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1176, PETRI_PLACES=313, PETRI_TRANSITIONS=353} [2024-10-11 17:07:51,912 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 36 predicate places. [2024-10-11 17:07:51,913 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 353 transitions, 1176 flow [2024-10-11 17:07:51,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 263.0) internal successors, (4734), 18 states have internal predecessors, (4734), 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) [2024-10-11 17:07:51,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:51,916 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-10-11 17:07:51,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 17:07:52,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 17:07:52,117 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:52,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:52,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1564103736, now seen corresponding path program 2 times [2024-10-11 17:07:52,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:52,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200198309] [2024-10-11 17:07:52,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:52,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:53,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:53,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:53,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200198309] [2024-10-11 17:07:53,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200198309] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 17:07:53,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367020248] [2024-10-11 17:07:53,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 17:07:53,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 17:07:53,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:07:53,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 17:07:53,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 17:07:53,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 17:07:53,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 17:07:53,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 17:07:53,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:07:53,892 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 [2024-10-11 17:07:53,914 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 [2024-10-11 17:07:53,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 17:07:53,949 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 [2024-10-11 17:07:53,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 17:07:53,987 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 [2024-10-11 17:07:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2212 trivial. 0 not checked. [2024-10-11 17:07:54,013 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 17:07:54,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367020248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:07:54,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 17:07:54,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-11 17:07:54,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318709870] [2024-10-11 17:07:54,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:07:54,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:07:54,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:54,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:07:54,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-11 17:07:54,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-11 17:07:54,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 353 transitions, 1176 flow. Second operand has 6 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 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) [2024-10-11 17:07:54,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:54,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-11 17:07:54,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:07:55,135 INFO L124 PetriNetUnfolderBase]: 500/3013 cut-off events. [2024-10-11 17:07:55,135 INFO L125 PetriNetUnfolderBase]: For 864/945 co-relation queries the response was YES. [2024-10-11 17:07:55,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5277 conditions, 3013 events. 500/3013 cut-off events. For 864/945 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16106 event pairs, 92 based on Foata normal form. 16/2872 useless extension candidates. Maximal degree in co-relation 4225. Up to 981 conditions per place. [2024-10-11 17:07:55,145 INFO L140 encePairwiseOnDemand]: 255/278 looper letters, 131 selfloop transitions, 130 changer transitions 0/490 dead transitions. [2024-10-11 17:07:55,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 490 transitions, 2348 flow [2024-10-11 17:07:55,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:07:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:07:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1433 transitions. [2024-10-11 17:07:55,148 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8591127098321343 [2024-10-11 17:07:55,148 INFO L175 Difference]: Start difference. First operand has 313 places, 353 transitions, 1176 flow. Second operand 6 states and 1433 transitions. [2024-10-11 17:07:55,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 490 transitions, 2348 flow [2024-10-11 17:07:55,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 490 transitions, 2324 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-11 17:07:55,158 INFO L231 Difference]: Finished difference. Result has 317 places, 482 transitions, 2380 flow [2024-10-11 17:07:55,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1152, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2380, PETRI_PLACES=317, PETRI_TRANSITIONS=482} [2024-10-11 17:07:55,159 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 40 predicate places. [2024-10-11 17:07:55,159 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 482 transitions, 2380 flow [2024-10-11 17:07:55,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 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) [2024-10-11 17:07:55,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:07:55,162 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-10-11 17:07:55,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 17:07:55,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 17:07:55,366 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:07:55,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:07:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1381487699, now seen corresponding path program 1 times [2024-10-11 17:07:55,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:07:55,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741432245] [2024-10-11 17:07:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:55,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:07:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:56,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:07:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741432245] [2024-10-11 17:07:56,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741432245] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 17:07:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659617902] [2024-10-11 17:07:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:07:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 17:07:56,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:07:56,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 17:07:56,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 17:07:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:07:57,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 3111 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 17:07:57,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 17:07:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:58,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 17:07:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:07:58,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659617902] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 17:07:58,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 17:07:58,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-10-11 17:07:58,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969388786] [2024-10-11 17:07:58,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 17:07:58,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 17:07:58,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:07:58,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 17:07:58,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-10-11 17:07:59,194 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 278 [2024-10-11 17:07:59,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 482 transitions, 2380 flow. Second operand has 23 states, 23 states have (on average 263.0869565217391) internal successors, (6051), 23 states have internal predecessors, (6051), 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) [2024-10-11 17:07:59,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:07:59,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 278 [2024-10-11 17:07:59,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:00,059 INFO L124 PetriNetUnfolderBase]: 381/3024 cut-off events. [2024-10-11 17:08:00,059 INFO L125 PetriNetUnfolderBase]: For 1179/1221 co-relation queries the response was YES. [2024-10-11 17:08:00,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5182 conditions, 3024 events. 381/3024 cut-off events. For 1179/1221 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13245 event pairs, 37 based on Foata normal form. 7/2923 useless extension candidates. Maximal degree in co-relation 3946. Up to 467 conditions per place. [2024-10-11 17:08:00,070 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 22 selfloop transitions, 30 changer transitions 0/499 dead transitions. [2024-10-11 17:08:00,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 499 transitions, 2606 flow [2024-10-11 17:08:00,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-11 17:08:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-10-11 17:08:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 7884 transitions. [2024-10-11 17:08:00,080 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453237410071943 [2024-10-11 17:08:00,080 INFO L175 Difference]: Start difference. First operand has 317 places, 482 transitions, 2380 flow. Second operand 30 states and 7884 transitions. [2024-10-11 17:08:00,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 499 transitions, 2606 flow [2024-10-11 17:08:00,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 499 transitions, 2606 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:08:00,090 INFO L231 Difference]: Finished difference. Result has 350 places, 492 transitions, 2532 flow [2024-10-11 17:08:00,090 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=2380, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2532, PETRI_PLACES=350, PETRI_TRANSITIONS=492} [2024-10-11 17:08:00,090 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 73 predicate places. [2024-10-11 17:08:00,091 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 492 transitions, 2532 flow [2024-10-11 17:08:00,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 263.0869565217391) internal successors, (6051), 23 states have internal predecessors, (6051), 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) [2024-10-11 17:08:00,092 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:00,093 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-10-11 17:08:00,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 17:08:00,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 17:08:00,297 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:08:00,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:00,297 INFO L85 PathProgramCache]: Analyzing trace with hash -693783104, now seen corresponding path program 2 times [2024-10-11 17:08:00,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:00,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746564016] [2024-10-11 17:08:00,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:00,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-11 17:08:02,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:02,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746564016] [2024-10-11 17:08:02,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746564016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:02,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:02,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:08:02,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865353794] [2024-10-11 17:08:02,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:02,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:08:02,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:02,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:08:02,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:08:03,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-11 17:08:03,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 492 transitions, 2532 flow. Second operand has 6 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 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) [2024-10-11 17:08:03,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:03,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-11 17:08:03,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:04,420 INFO L124 PetriNetUnfolderBase]: 776/4099 cut-off events. [2024-10-11 17:08:04,420 INFO L125 PetriNetUnfolderBase]: For 3388/3613 co-relation queries the response was YES. [2024-10-11 17:08:04,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8629 conditions, 4099 events. 776/4099 cut-off events. For 3388/3613 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22361 event pairs, 65 based on Foata normal form. 52/3986 useless extension candidates. Maximal degree in co-relation 7110. Up to 1323 conditions per place. [2024-10-11 17:08:04,447 INFO L140 encePairwiseOnDemand]: 255/278 looper letters, 251 selfloop transitions, 131 changer transitions 5/630 dead transitions. [2024-10-11 17:08:04,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 630 transitions, 4206 flow [2024-10-11 17:08:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:08:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:08:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1434 transitions. [2024-10-11 17:08:04,450 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597122302158273 [2024-10-11 17:08:04,450 INFO L175 Difference]: Start difference. First operand has 350 places, 492 transitions, 2532 flow. Second operand 6 states and 1434 transitions. [2024-10-11 17:08:04,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 630 transitions, 4206 flow [2024-10-11 17:08:04,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 630 transitions, 4160 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-10-11 17:08:04,464 INFO L231 Difference]: Finished difference. Result has 342 places, 620 transitions, 3966 flow [2024-10-11 17:08:04,465 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=2486, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3966, PETRI_PLACES=342, PETRI_TRANSITIONS=620} [2024-10-11 17:08:04,466 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 65 predicate places. [2024-10-11 17:08:04,466 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 620 transitions, 3966 flow [2024-10-11 17:08:04,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.33333333333334) internal successors, (1334), 6 states have internal predecessors, (1334), 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) [2024-10-11 17:08:04,467 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:04,467 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-10-11 17:08:04,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 17:08:04,468 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:08:04,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:04,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1664508093, now seen corresponding path program 1 times [2024-10-11 17:08:04,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:04,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733284456] [2024-10-11 17:08:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:04,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-11 17:08:07,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:07,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733284456] [2024-10-11 17:08:07,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733284456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:07,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:07,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:08:07,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239269459] [2024-10-11 17:08:07,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:07,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:08:07,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:07,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:08:07,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:08:07,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 278 [2024-10-11 17:08:07,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 620 transitions, 3966 flow. Second operand has 6 states, 6 states have (on average 202.66666666666666) internal successors, (1216), 6 states have internal predecessors, (1216), 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) [2024-10-11 17:08:07,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:07,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 278 [2024-10-11 17:08:07,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:09,030 INFO L124 PetriNetUnfolderBase]: 1308/5497 cut-off events. [2024-10-11 17:08:09,034 INFO L125 PetriNetUnfolderBase]: For 4851/4908 co-relation queries the response was YES. [2024-10-11 17:08:09,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13376 conditions, 5497 events. 1308/5497 cut-off events. For 4851/4908 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33872 event pairs, 369 based on Foata normal form. 11/5263 useless extension candidates. Maximal degree in co-relation 11796. Up to 2549 conditions per place. [2024-10-11 17:08:09,110 INFO L140 encePairwiseOnDemand]: 259/278 looper letters, 316 selfloop transitions, 84 changer transitions 0/699 dead transitions. [2024-10-11 17:08:09,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 699 transitions, 5164 flow [2024-10-11 17:08:09,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:08:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:08:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1312 transitions. [2024-10-11 17:08:09,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865707434052758 [2024-10-11 17:08:09,115 INFO L175 Difference]: Start difference. First operand has 342 places, 620 transitions, 3966 flow. Second operand 6 states and 1312 transitions. [2024-10-11 17:08:09,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 699 transitions, 5164 flow [2024-10-11 17:08:09,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 699 transitions, 4910 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-10-11 17:08:09,167 INFO L231 Difference]: Finished difference. Result has 351 places, 691 transitions, 4502 flow [2024-10-11 17:08:09,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=3718, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4502, PETRI_PLACES=351, PETRI_TRANSITIONS=691} [2024-10-11 17:08:09,170 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 74 predicate places. [2024-10-11 17:08:09,170 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 691 transitions, 4502 flow [2024-10-11 17:08:09,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.66666666666666) internal successors, (1216), 6 states have internal predecessors, (1216), 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) [2024-10-11 17:08:09,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:09,174 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-10-11 17:08:09,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 17:08:09,174 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:08:09,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:09,175 INFO L85 PathProgramCache]: Analyzing trace with hash 4251956, now seen corresponding path program 1 times [2024-10-11 17:08:09,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:09,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804508615] [2024-10-11 17:08:09,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:09,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:10,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-11 17:08:10,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:10,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804508615] [2024-10-11 17:08:10,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804508615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:10,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:10,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 17:08:10,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090224255] [2024-10-11 17:08:10,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:10,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:08:10,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:10,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:08:10,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:08:10,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 278 [2024-10-11 17:08:10,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 691 transitions, 4502 flow. Second operand has 3 states, 3 states have (on average 270.3333333333333) internal successors, (811), 3 states have internal predecessors, (811), 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) [2024-10-11 17:08:10,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:10,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 278 [2024-10-11 17:08:10,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:10,256 INFO L124 PetriNetUnfolderBase]: 3/1376 cut-off events. [2024-10-11 17:08:10,256 INFO L125 PetriNetUnfolderBase]: For 222/223 co-relation queries the response was YES. [2024-10-11 17:08:10,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 1376 events. 3/1376 cut-off events. For 222/223 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 562 event pairs, 1 based on Foata normal form. 3/1364 useless extension candidates. Maximal degree in co-relation 1480. Up to 51 conditions per place. [2024-10-11 17:08:10,261 INFO L140 encePairwiseOnDemand]: 274/278 looper letters, 2 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2024-10-11 17:08:10,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 291 transitions, 1022 flow [2024-10-11 17:08:10,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:08:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:08:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 815 transitions. [2024-10-11 17:08:10,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9772182254196643 [2024-10-11 17:08:10,262 INFO L175 Difference]: Start difference. First operand has 351 places, 691 transitions, 4502 flow. Second operand 3 states and 815 transitions. [2024-10-11 17:08:10,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 291 transitions, 1022 flow [2024-10-11 17:08:10,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 291 transitions, 818 flow, removed 62 selfloop flow, removed 36 redundant places. [2024-10-11 17:08:10,268 INFO L231 Difference]: Finished difference. Result has 313 places, 291 transitions, 814 flow [2024-10-11 17:08:10,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=313, PETRI_TRANSITIONS=291} [2024-10-11 17:08:10,269 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 36 predicate places. [2024-10-11 17:08:10,269 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 291 transitions, 814 flow [2024-10-11 17:08:10,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 270.3333333333333) internal successors, (811), 3 states have internal predecessors, (811), 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) [2024-10-11 17:08:10,270 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:10,270 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-10-11 17:08:10,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 17:08:10,270 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:08:10,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:10,271 INFO L85 PathProgramCache]: Analyzing trace with hash 746132162, now seen corresponding path program 1 times [2024-10-11 17:08:10,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:10,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645175539] [2024-10-11 17:08:10,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:10,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-11 17:08:12,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:12,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645175539] [2024-10-11 17:08:12,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645175539] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:12,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:12,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:08:12,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217346281] [2024-10-11 17:08:12,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:12,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:08:12,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:12,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:08:12,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:08:13,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 278 [2024-10-11 17:08:13,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 291 transitions, 814 flow. Second operand has 6 states, 6 states have (on average 202.66666666666666) internal successors, (1216), 6 states have internal predecessors, (1216), 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) [2024-10-11 17:08:13,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:13,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 278 [2024-10-11 17:08:13,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:13,410 INFO L124 PetriNetUnfolderBase]: 3/1373 cut-off events. [2024-10-11 17:08:13,411 INFO L125 PetriNetUnfolderBase]: For 137/142 co-relation queries the response was YES. [2024-10-11 17:08:13,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2009 conditions, 1373 events. 3/1373 cut-off events. For 137/142 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 542 event pairs, 1 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 1712. Up to 456 conditions per place. [2024-10-11 17:08:13,413 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 74 selfloop transitions, 5 changer transitions 0/290 dead transitions. [2024-10-11 17:08:13,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 290 transitions, 970 flow [2024-10-11 17:08:13,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:08:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:08:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1250 transitions. [2024-10-11 17:08:13,415 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.749400479616307 [2024-10-11 17:08:13,415 INFO L175 Difference]: Start difference. First operand has 313 places, 291 transitions, 814 flow. Second operand 6 states and 1250 transitions. [2024-10-11 17:08:13,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 290 transitions, 970 flow [2024-10-11 17:08:13,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 290 transitions, 963 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:08:13,420 INFO L231 Difference]: Finished difference. Result has 315 places, 290 transitions, 815 flow [2024-10-11 17:08:13,420 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=815, PETRI_PLACES=315, PETRI_TRANSITIONS=290} [2024-10-11 17:08:13,420 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 38 predicate places. [2024-10-11 17:08:13,420 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 290 transitions, 815 flow [2024-10-11 17:08:13,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.66666666666666) internal successors, (1216), 6 states have internal predecessors, (1216), 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) [2024-10-11 17:08:13,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:13,422 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-10-11 17:08:13,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 17:08:13,422 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:08:13,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:13,422 INFO L85 PathProgramCache]: Analyzing trace with hash -565036837, now seen corresponding path program 1 times [2024-10-11 17:08:13,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:13,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802526325] [2024-10-11 17:08:13,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:13,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-11 17:08:15,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:15,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802526325] [2024-10-11 17:08:15,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802526325] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:15,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:15,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:08:15,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112235465] [2024-10-11 17:08:15,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:15,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:08:15,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:15,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:08:15,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:08:16,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 278 [2024-10-11 17:08:16,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 290 transitions, 815 flow. Second operand has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 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) [2024-10-11 17:08:16,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:16,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 278 [2024-10-11 17:08:16,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:16,278 INFO L124 PetriNetUnfolderBase]: 5/1404 cut-off events. [2024-10-11 17:08:16,278 INFO L125 PetriNetUnfolderBase]: For 134/135 co-relation queries the response was YES. [2024-10-11 17:08:16,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1943 conditions, 1404 events. 5/1404 cut-off events. For 134/135 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 661 event pairs, 3 based on Foata normal form. 0/1395 useless extension candidates. Maximal degree in co-relation 1652. Up to 345 conditions per place. [2024-10-11 17:08:16,280 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 52 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-10-11 17:08:16,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 289 transitions, 927 flow [2024-10-11 17:08:16,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:08:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:08:16,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1365 transitions. [2024-10-11 17:08:16,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8183453237410072 [2024-10-11 17:08:16,281 INFO L175 Difference]: Start difference. First operand has 315 places, 290 transitions, 815 flow. Second operand 6 states and 1365 transitions. [2024-10-11 17:08:16,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 289 transitions, 927 flow [2024-10-11 17:08:16,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 289 transitions, 917 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:08:16,285 INFO L231 Difference]: Finished difference. Result has 314 places, 289 transitions, 813 flow [2024-10-11 17:08:16,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=813, PETRI_PLACES=314, PETRI_TRANSITIONS=289} [2024-10-11 17:08:16,286 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 37 predicate places. [2024-10-11 17:08:16,286 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 289 transitions, 813 flow [2024-10-11 17:08:16,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 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) [2024-10-11 17:08:16,287 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:16,287 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-10-11 17:08:16,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 17:08:16,288 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:08:16,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:16,288 INFO L85 PathProgramCache]: Analyzing trace with hash 645988609, now seen corresponding path program 1 times [2024-10-11 17:08:16,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:16,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305002851] [2024-10-11 17:08:16,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:16,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-11 17:08:18,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305002851] [2024-10-11 17:08:18,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305002851] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:18,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:18,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:08:18,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115577308] [2024-10-11 17:08:18,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:18,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:08:18,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:18,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:08:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:08:18,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 278 [2024-10-11 17:08:18,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 289 transitions, 813 flow. Second operand has 6 states, 6 states have (on average 223.5) internal successors, (1341), 6 states have internal predecessors, (1341), 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) [2024-10-11 17:08:18,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:18,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 278 [2024-10-11 17:08:18,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:19,107 INFO L124 PetriNetUnfolderBase]: 3/1367 cut-off events. [2024-10-11 17:08:19,108 INFO L125 PetriNetUnfolderBase]: For 133/134 co-relation queries the response was YES. [2024-10-11 17:08:19,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1367 events. 3/1367 cut-off events. For 133/134 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 508 event pairs, 1 based on Foata normal form. 0/1364 useless extension candidates. Maximal degree in co-relation 1653. Up to 351 conditions per place. [2024-10-11 17:08:19,110 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 54 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-10-11 17:08:19,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 288 transitions, 929 flow [2024-10-11 17:08:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:08:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:08:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1355 transitions. [2024-10-11 17:08:19,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8123501199040767 [2024-10-11 17:08:19,112 INFO L175 Difference]: Start difference. First operand has 314 places, 289 transitions, 813 flow. Second operand 6 states and 1355 transitions. [2024-10-11 17:08:19,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 288 transitions, 929 flow [2024-10-11 17:08:19,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 288 transitions, 919 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:08:19,116 INFO L231 Difference]: Finished difference. Result has 313 places, 288 transitions, 811 flow [2024-10-11 17:08:19,117 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=811, PETRI_PLACES=313, PETRI_TRANSITIONS=288} [2024-10-11 17:08:19,117 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 36 predicate places. [2024-10-11 17:08:19,117 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 288 transitions, 811 flow [2024-10-11 17:08:19,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.5) internal successors, (1341), 6 states have internal predecessors, (1341), 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) [2024-10-11 17:08:19,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:19,118 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-10-11 17:08:19,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 17:08:19,118 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:08:19,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:19,118 INFO L85 PathProgramCache]: Analyzing trace with hash -692280238, now seen corresponding path program 1 times [2024-10-11 17:08:19,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:19,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908643629] [2024-10-11 17:08:19,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-11 17:08:21,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:21,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908643629] [2024-10-11 17:08:21,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908643629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:21,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:21,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:08:21,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512067866] [2024-10-11 17:08:21,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:21,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:08:21,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:21,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:08:21,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:08:21,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 278 [2024-10-11 17:08:21,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 288 transitions, 811 flow. Second operand has 6 states, 6 states have (on average 200.5) internal successors, (1203), 6 states have internal predecessors, (1203), 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) [2024-10-11 17:08:21,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:21,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 278 [2024-10-11 17:08:21,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:22,064 INFO L124 PetriNetUnfolderBase]: 3/1364 cut-off events. [2024-10-11 17:08:22,064 INFO L125 PetriNetUnfolderBase]: For 135/140 co-relation queries the response was YES. [2024-10-11 17:08:22,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2027 conditions, 1364 events. 3/1364 cut-off events. For 135/140 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 493 event pairs, 1 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 1793. Up to 473 conditions per place. [2024-10-11 17:08:22,069 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 80 selfloop transitions, 5 changer transitions 0/287 dead transitions. [2024-10-11 17:08:22,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 287 transitions, 979 flow [2024-10-11 17:08:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:08:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:08:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2024-10-11 17:08:22,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7344124700239808 [2024-10-11 17:08:22,071 INFO L175 Difference]: Start difference. First operand has 313 places, 288 transitions, 811 flow. Second operand 6 states and 1225 transitions. [2024-10-11 17:08:22,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 287 transitions, 979 flow [2024-10-11 17:08:22,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 287 transitions, 969 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:08:22,076 INFO L231 Difference]: Finished difference. Result has 312 places, 287 transitions, 809 flow [2024-10-11 17:08:22,077 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=312, PETRI_TRANSITIONS=287} [2024-10-11 17:08:22,077 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 35 predicate places. [2024-10-11 17:08:22,077 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 287 transitions, 809 flow [2024-10-11 17:08:22,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.5) internal successors, (1203), 6 states have internal predecessors, (1203), 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) [2024-10-11 17:08:22,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:08:22,078 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-10-11 17:08:22,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 17:08:22,078 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-10-11 17:08:22,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:08:22,079 INFO L85 PathProgramCache]: Analyzing trace with hash -240703913, now seen corresponding path program 1 times [2024-10-11 17:08:22,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:08:22,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796142612] [2024-10-11 17:08:22,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:08:22,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:08:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:08:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-10-11 17:08:24,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:08:24,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796142612] [2024-10-11 17:08:24,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796142612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:08:24,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:08:24,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:08:24,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133048136] [2024-10-11 17:08:24,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:08:24,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:08:24,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:08:24,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:08:24,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:08:24,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 278 [2024-10-11 17:08:24,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 287 transitions, 809 flow. Second operand has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 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) [2024-10-11 17:08:24,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:08:24,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 278 [2024-10-11 17:08:24,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:08:25,046 INFO L124 PetriNetUnfolderBase]: 3/1361 cut-off events. [2024-10-11 17:08:25,046 INFO L125 PetriNetUnfolderBase]: For 135/140 co-relation queries the response was YES. [2024-10-11 17:08:25,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2021 conditions, 1361 events. 3/1361 cut-off events. For 135/140 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 475 event pairs, 1 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 1832. Up to 470 conditions per place. [2024-10-11 17:08:25,048 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 0 selfloop transitions, 0 changer transitions 286/286 dead transitions. [2024-10-11 17:08:25,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 286 transitions, 975 flow [2024-10-11 17:08:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:08:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:08:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1230 transitions. [2024-10-11 17:08:25,050 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.737410071942446 [2024-10-11 17:08:25,050 INFO L175 Difference]: Start difference. First operand has 312 places, 287 transitions, 809 flow. Second operand 6 states and 1230 transitions. [2024-10-11 17:08:25,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 286 transitions, 975 flow [2024-10-11 17:08:25,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 286 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:08:25,053 INFO L231 Difference]: Finished difference. Result has 311 places, 0 transitions, 0 flow [2024-10-11 17:08:25,053 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=311, PETRI_TRANSITIONS=0} [2024-10-11 17:08:25,055 INFO L277 CegarLoopForPetriNet]: 277 programPoint places, 34 predicate places. [2024-10-11 17:08:25,055 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 0 transitions, 0 flow [2024-10-11 17:08:25,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 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) [2024-10-11 17:08:25,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2024-10-11 17:08:25,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-10-11 17:08:25,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 25 remaining) [2024-10-11 17:08:25,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-10-11 17:08:25,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2024-10-11 17:08:25,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2024-10-11 17:08:25,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-10-11 17:08:25,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-10-11 17:08:25,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-10-11 17:08:25,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-10-11 17:08:25,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-10-11 17:08:25,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-10-11 17:08:25,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-10-11 17:08:25,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-10-11 17:08:25,062 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-10-11 17:08:25,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 17:08:25,062 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:08:25,067 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:08:25,067 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:08:25,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:08:25 BasicIcfg [2024-10-11 17:08:25,071 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:08:25,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:08:25,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:08:25,071 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:08:25,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:07:39" (3/4) ... [2024-10-11 17:08:25,073 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:08:25,075 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-11 17:08:25,079 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 17:08:25,079 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:08:25,079 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 17:08:25,156 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:08:25,157 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:08:25,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:08:25,157 INFO L158 Benchmark]: Toolchain (without parser) took 47010.00ms. Allocated memory was 163.6MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 90.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-10-11 17:08:25,158 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:08:25,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.74ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 89.9MB in the beginning and 182.3MB in the end (delta: -92.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-10-11 17:08:25,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.54ms. Allocated memory is still 234.9MB. Free memory was 182.3MB in the beginning and 178.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:08:25,158 INFO L158 Benchmark]: Boogie Preprocessor took 68.02ms. Allocated memory is still 234.9MB. Free memory was 178.1MB in the beginning and 174.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:08:25,159 INFO L158 Benchmark]: RCFGBuilder took 615.78ms. Allocated memory is still 234.9MB. Free memory was 173.9MB in the beginning and 139.3MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-11 17:08:25,159 INFO L158 Benchmark]: TraceAbstraction took 45537.60ms. Allocated memory was 234.9MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 138.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-10-11 17:08:25,159 INFO L158 Benchmark]: Witness Printer took 85.95ms. Allocated memory is still 3.3GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:08:25,160 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.74ms. Allocated memory was 163.6MB in the beginning and 234.9MB in the end (delta: 71.3MB). Free memory was 89.9MB in the beginning and 182.3MB in the end (delta: -92.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.54ms. Allocated memory is still 234.9MB. Free memory was 182.3MB in the beginning and 178.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.02ms. Allocated memory is still 234.9MB. Free memory was 178.1MB in the beginning and 174.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 615.78ms. Allocated memory is still 234.9MB. Free memory was 173.9MB in the beginning and 139.3MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 45537.60ms. Allocated memory was 234.9MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 138.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 85.95ms. Allocated memory is still 3.3GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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, 366 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: 45.4s, OverallIterations: 21, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4891 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2957 mSDsluCounter, 522 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 370 mSDsCounter, 930 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10463 IncrementalHoareTripleChecker+Invalid, 11393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 930 mSolverCounterUnsat, 152 mSDtfsCounter, 10463 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3927 GetRequests, 3749 SyntacticMatches, 11 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4502occurred 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: 0.7s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 14562 NumberOfCodeBlocks, 13512 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 15839 ConstructedInterpolants, 0 QuantifiedInterpolants, 26463 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5263 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 29 InterpolantComputations, 18 PerfectInterpolantSequences, 40410/50533 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! [2024-10-11 17:08:25,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE