./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:58:00,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:58:00,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:58:00,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:58:00,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:58:00,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:58:00,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:58:00,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:58:00,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:58:00,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:58:00,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:58:00,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:58:00,906 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:58:00,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:58:00,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:58:00,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:58:00,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:58:00,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:58:00,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:58:00,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:58:00,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:58:00,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:58:00,914 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:58:00,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:58:00,914 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:58:00,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:58:00,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:58:00,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:58:00,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:58:00,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:58:00,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:58:00,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:00,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:58:00,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:58:00,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:58:00,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:58:00,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:58:00,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:58:00,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:58:00,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:58:00,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:58:00,919 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-11-09 06:58:01,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:58:01,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:58:01,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:58:01,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:58:01,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:58:01,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-09 06:58:02,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:58:03,079 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:58:03,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-09 06:58:03,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4fb052bb/ef52a702a07e4a4eaa0b615b042a148e/FLAG2699889fd [2024-11-09 06:58:03,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4fb052bb/ef52a702a07e4a4eaa0b615b042a148e [2024-11-09 06:58:03,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:58:03,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:58:03,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:03,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:58:03,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:58:03,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cab8797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03, skipping insertion in model container [2024-11-09 06:58:03,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:58:03,886 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:58:03,888 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:58:03,890 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:58:03,891 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:58:03,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:03,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:58:04,004 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:58:04,005 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:58:04,006 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:58:04,007 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:58:04,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:04,079 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:58:04,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04 WrapperNode [2024-11-09 06:58:04,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:04,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:04,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:58:04,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:58:04,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,159 INFO L138 Inliner]: procedures = 279, calls = 120, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 383 [2024-11-09 06:58:04,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:04,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:58:04,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:58:04,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:58:04,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:58:04,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:58:04,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:58:04,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:58:04,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (1/1) ... [2024-11-09 06:58:04,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:04,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:04,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:58:04,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:58:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:58:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:58:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:58:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:58:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:58:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:58:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:58:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:58:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:58:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:58:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:58:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:58:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:58:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:58:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:58:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:58:04,355 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:58:04,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:58:04,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:58:05,304 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:58:05,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:58:05,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:58:05,356 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-09 06:58:05,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:05 BoogieIcfgContainer [2024-11-09 06:58:05,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:58:05,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:58:05,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:58:05,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:58:05,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:58:03" (1/3) ... [2024-11-09 06:58:05,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa4e756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:05, skipping insertion in model container [2024-11-09 06:58:05,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:04" (2/3) ... [2024-11-09 06:58:05,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa4e756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:05, skipping insertion in model container [2024-11-09 06:58:05,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:05" (3/3) ... [2024-11-09 06:58:05,369 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-11-09 06:58:05,387 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:58:05,388 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-09 06:58:05,388 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:58:05,512 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 06:58:05,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 386 places, 408 transitions, 823 flow [2024-11-09 06:58:05,727 INFO L124 PetriNetUnfolderBase]: 27/440 cut-off events. [2024-11-09 06:58:05,727 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:58:05,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 440 events. 27/440 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 954 event pairs, 0 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 255. Up to 4 conditions per place. [2024-11-09 06:58:05,738 INFO L82 GeneralOperation]: Start removeDead. Operand has 386 places, 408 transitions, 823 flow [2024-11-09 06:58:05,750 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 386 places, 408 transitions, 823 flow [2024-11-09 06:58:05,762 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:58:05,769 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;@2cad6d4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:58:05,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-09 06:58:05,788 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:58:05,789 INFO L124 PetriNetUnfolderBase]: 3/120 cut-off events. [2024-11-09 06:58:05,789 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:58:05,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:05,790 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:05,791 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:05,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:05,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2111164425, now seen corresponding path program 1 times [2024-11-09 06:58:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:05,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778242559] [2024-11-09 06:58:05,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:07,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:07,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778242559] [2024-11-09 06:58:07,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778242559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:07,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:07,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:07,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766679344] [2024-11-09 06:58:07,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:07,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:07,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:07,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:07,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:07,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-11-09 06:58:07,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 408 transitions, 823 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:07,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:07,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-11-09 06:58:07,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:07,955 INFO L124 PetriNetUnfolderBase]: 319/1602 cut-off events. [2024-11-09 06:58:07,955 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-09 06:58:07,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1602 events. 319/1602 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10089 event pairs, 288 based on Foata normal form. 182/1654 useless extension candidates. Maximal degree in co-relation 1972. Up to 674 conditions per place. [2024-11-09 06:58:07,968 INFO L140 encePairwiseOnDemand]: 377/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/385 dead transitions. [2024-11-09 06:58:07,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 385 transitions, 957 flow [2024-11-09 06:58:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:07,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-11-09 06:58:07,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7708333333333334 [2024-11-09 06:58:07,995 INFO L175 Difference]: Start difference. First operand has 386 places, 408 transitions, 823 flow. Second operand 6 states and 1887 transitions. [2024-11-09 06:58:07,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 385 transitions, 957 flow [2024-11-09 06:58:08,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 957 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:08,008 INFO L231 Difference]: Finished difference. Result has 387 places, 385 transitions, 797 flow [2024-11-09 06:58:08,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=387, PETRI_TRANSITIONS=385} [2024-11-09 06:58:08,014 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-09 06:58:08,014 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 385 transitions, 797 flow [2024-11-09 06:58:08,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:08,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:08,016 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] [2024-11-09 06:58:08,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:58:08,016 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:08,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:08,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1989397352, now seen corresponding path program 1 times [2024-11-09 06:58:08,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:08,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107718398] [2024-11-09 06:58:08,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:08,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:08,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:08,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107718398] [2024-11-09 06:58:08,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107718398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:08,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:08,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:58:08,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589293857] [2024-11-09 06:58:08,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:08,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:08,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:08,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:08,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:08,146 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-09 06:58:08,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 385 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:08,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:08,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-09 06:58:08,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:08,244 INFO L124 PetriNetUnfolderBase]: 15/565 cut-off events. [2024-11-09 06:58:08,245 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-09 06:58:08,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 565 events. 15/565 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1665 event pairs, 8 based on Foata normal form. 1/522 useless extension candidates. Maximal degree in co-relation 402. Up to 34 conditions per place. [2024-11-09 06:58:08,248 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-09 06:58:08,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 833 flow [2024-11-09 06:58:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-09 06:58:08,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-11-09 06:58:08,252 INFO L175 Difference]: Start difference. First operand has 387 places, 385 transitions, 797 flow. Second operand 3 states and 1134 transitions. [2024-11-09 06:58:08,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 833 flow [2024-11-09 06:58:08,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 813 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:08,263 INFO L231 Difference]: Finished difference. Result has 385 places, 386 transitions, 789 flow [2024-11-09 06:58:08,264 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=385, PETRI_TRANSITIONS=386} [2024-11-09 06:58:08,265 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-11-09 06:58:08,265 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 386 transitions, 789 flow [2024-11-09 06:58:08,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:08,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:08,267 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:08,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:58:08,267 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:08,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:08,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1587066118, now seen corresponding path program 1 times [2024-11-09 06:58:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:08,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833775943] [2024-11-09 06:58:08,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:08,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:08,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:08,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833775943] [2024-11-09 06:58:08,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833775943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:08,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:08,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:08,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145980358] [2024-11-09 06:58:08,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:08,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:08,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:08,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:08,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:09,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-11-09 06:58:09,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 386 transitions, 789 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:09,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:09,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-11-09 06:58:09,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:09,930 INFO L124 PetriNetUnfolderBase]: 320/1724 cut-off events. [2024-11-09 06:58:09,931 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-09 06:58:09,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2465 conditions, 1724 events. 320/1724 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10820 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2201. Up to 708 conditions per place. [2024-11-09 06:58:09,939 INFO L140 encePairwiseOnDemand]: 396/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/384 dead transitions. [2024-11-09 06:58:09,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 965 flow [2024-11-09 06:58:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1868 transitions. [2024-11-09 06:58:09,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7630718954248366 [2024-11-09 06:58:09,944 INFO L175 Difference]: Start difference. First operand has 385 places, 386 transitions, 789 flow. Second operand 6 states and 1868 transitions. [2024-11-09 06:58:09,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 965 flow [2024-11-09 06:58:09,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 384 transitions, 963 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:09,952 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 803 flow [2024-11-09 06:58:09,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=803, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-11-09 06:58:09,954 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-09 06:58:09,954 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 803 flow [2024-11-09 06:58:09,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:09,956 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:09,956 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] [2024-11-09 06:58:09,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:58:09,956 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:09,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:09,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1252746799, now seen corresponding path program 1 times [2024-11-09 06:58:09,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:09,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432535066] [2024-11-09 06:58:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:09,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:10,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:10,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432535066] [2024-11-09 06:58:10,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432535066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:10,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:10,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:10,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564586902] [2024-11-09 06:58:10,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:10,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:10,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:10,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:10,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:10,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-11-09 06:58:10,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 803 flow. Second operand has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:10,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:10,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-11-09 06:58:10,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:11,248 INFO L124 PetriNetUnfolderBase]: 320/1722 cut-off events. [2024-11-09 06:58:11,249 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-09 06:58:11,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2486 conditions, 1722 events. 320/1722 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10837 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2101. Up to 722 conditions per place. [2024-11-09 06:58:11,257 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-11-09 06:58:11,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 383 transitions, 985 flow [2024-11-09 06:58:11,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-11-09 06:58:11,263 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-11-09 06:58:11,263 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 803 flow. Second operand 6 states and 1863 transitions. [2024-11-09 06:58:11,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 383 transitions, 985 flow [2024-11-09 06:58:11,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 383 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:11,271 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 791 flow [2024-11-09 06:58:11,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-09 06:58:11,273 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-11-09 06:58:11,274 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 791 flow [2024-11-09 06:58:11,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:11,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:11,275 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] [2024-11-09 06:58:11,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:58:11,276 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:11,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:11,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1507353856, now seen corresponding path program 1 times [2024-11-09 06:58:11,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:11,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223891538] [2024-11-09 06:58:11,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:11,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:11,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:11,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223891538] [2024-11-09 06:58:11,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223891538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:11,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:11,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:58:11,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327935022] [2024-11-09 06:58:11,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:11,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:11,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:11,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:11,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:11,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-09 06:58:11,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:11,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:11,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-09 06:58:11,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:11,500 INFO L124 PetriNetUnfolderBase]: 15/747 cut-off events. [2024-11-09 06:58:11,501 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-09 06:58:11,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 818 conditions, 747 events. 15/747 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1629 event pairs, 8 based on Foata normal form. 2/703 useless extension candidates. Maximal degree in co-relation 593. Up to 38 conditions per place. [2024-11-09 06:58:11,503 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-09 06:58:11,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 827 flow [2024-11-09 06:58:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-09 06:58:11,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-11-09 06:58:11,506 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 791 flow. Second operand 3 states and 1134 transitions. [2024-11-09 06:58:11,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 827 flow [2024-11-09 06:58:11,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 384 transitions, 817 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:11,516 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 793 flow [2024-11-09 06:58:11,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2024-11-09 06:58:11,518 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-11-09 06:58:11,518 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 793 flow [2024-11-09 06:58:11,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:11,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:11,521 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:11,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:58:11,522 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:11,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:11,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1474208170, now seen corresponding path program 1 times [2024-11-09 06:58:11,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:11,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114329215] [2024-11-09 06:58:11,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:11,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:12,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:12,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114329215] [2024-11-09 06:58:12,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114329215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:12,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:12,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:12,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276110198] [2024-11-09 06:58:12,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:12,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:12,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:12,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:12,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:12,709 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 408 [2024-11-09 06:58:12,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:12,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:12,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 408 [2024-11-09 06:58:12,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:12,872 INFO L124 PetriNetUnfolderBase]: 83/1061 cut-off events. [2024-11-09 06:58:12,872 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2024-11-09 06:58:12,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1414 conditions, 1061 events. 83/1061 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3662 event pairs, 64 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 882. Up to 311 conditions per place. [2024-11-09 06:58:12,877 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 62 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-11-09 06:58:12,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 925 flow [2024-11-09 06:58:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1988 transitions. [2024-11-09 06:58:12,882 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8120915032679739 [2024-11-09 06:58:12,882 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 793 flow. Second operand 6 states and 1988 transitions. [2024-11-09 06:58:12,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 925 flow [2024-11-09 06:58:12,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:12,888 INFO L231 Difference]: Finished difference. Result has 387 places, 383 transitions, 799 flow [2024-11-09 06:58:12,889 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=799, PETRI_PLACES=387, PETRI_TRANSITIONS=383} [2024-11-09 06:58:12,889 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-09 06:58:12,889 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 383 transitions, 799 flow [2024-11-09 06:58:12,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:12,891 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:12,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:12,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:58:12,891 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:12,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:12,892 INFO L85 PathProgramCache]: Analyzing trace with hash 935654986, now seen corresponding path program 1 times [2024-11-09 06:58:12,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:12,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982730543] [2024-11-09 06:58:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:13,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:13,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982730543] [2024-11-09 06:58:13,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982730543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:13,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:13,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:13,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8088712] [2024-11-09 06:58:13,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:13,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:13,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:13,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:13,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:13,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-11-09 06:58:13,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 383 transitions, 799 flow. Second operand has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:13,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:13,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-11-09 06:58:13,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:14,161 INFO L124 PetriNetUnfolderBase]: 320/1902 cut-off events. [2024-11-09 06:58:14,163 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-09 06:58:14,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 1902 events. 320/1902 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10742 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2245. Up to 788 conditions per place. [2024-11-09 06:58:14,173 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-11-09 06:58:14,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 382 transitions, 981 flow [2024-11-09 06:58:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:14,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-11-09 06:58:14,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-11-09 06:58:14,179 INFO L175 Difference]: Start difference. First operand has 387 places, 383 transitions, 799 flow. Second operand 6 states and 1863 transitions. [2024-11-09 06:58:14,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 382 transitions, 981 flow [2024-11-09 06:58:14,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 382 transitions, 971 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:14,188 INFO L231 Difference]: Finished difference. Result has 386 places, 382 transitions, 797 flow [2024-11-09 06:58:14,189 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=386, PETRI_TRANSITIONS=382} [2024-11-09 06:58:14,190 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-11-09 06:58:14,190 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 382 transitions, 797 flow [2024-11-09 06:58:14,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:14,192 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:14,192 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:14,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:58:14,192 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:14,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:14,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1837573129, now seen corresponding path program 1 times [2024-11-09 06:58:14,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:14,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229137073] [2024-11-09 06:58:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:14,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:14,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:14,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229137073] [2024-11-09 06:58:14,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229137073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:14,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:14,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:14,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493421385] [2024-11-09 06:58:14,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:14,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:14,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:14,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:15,464 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-11-09 06:58:15,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 382 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:15,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:15,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-11-09 06:58:15,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:15,794 INFO L124 PetriNetUnfolderBase]: 320/1898 cut-off events. [2024-11-09 06:58:15,795 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-09 06:58:15,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 1898 events. 320/1898 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10747 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2261. Up to 772 conditions per place. [2024-11-09 06:58:15,806 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-11-09 06:58:15,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 381 transitions, 971 flow [2024-11-09 06:58:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-09 06:58:15,815 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-11-09 06:58:15,815 INFO L175 Difference]: Start difference. First operand has 386 places, 382 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-11-09 06:58:15,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 381 transitions, 971 flow [2024-11-09 06:58:15,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 381 transitions, 961 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:15,823 INFO L231 Difference]: Finished difference. Result has 385 places, 381 transitions, 795 flow [2024-11-09 06:58:15,824 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=385, PETRI_TRANSITIONS=381} [2024-11-09 06:58:15,826 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-11-09 06:58:15,827 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 381 transitions, 795 flow [2024-11-09 06:58:15,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:15,828 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:15,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:15,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:58:15,833 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:15,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:15,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1457234093, now seen corresponding path program 1 times [2024-11-09 06:58:15,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:15,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932774173] [2024-11-09 06:58:15,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:15,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:16,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:16,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932774173] [2024-11-09 06:58:16,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932774173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:16,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:16,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:16,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100981623] [2024-11-09 06:58:16,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:16,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:16,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:16,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:16,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:16,823 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-11-09 06:58:16,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 381 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:16,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:16,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-11-09 06:58:16,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:17,154 INFO L124 PetriNetUnfolderBase]: 320/1894 cut-off events. [2024-11-09 06:58:17,154 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-09 06:58:17,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 1894 events. 320/1894 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10706 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2276. Up to 772 conditions per place. [2024-11-09 06:58:17,164 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/380 dead transitions. [2024-11-09 06:58:17,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 380 transitions, 969 flow [2024-11-09 06:58:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-09 06:58:17,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-11-09 06:58:17,171 INFO L175 Difference]: Start difference. First operand has 385 places, 381 transitions, 795 flow. Second operand 6 states and 1883 transitions. [2024-11-09 06:58:17,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 380 transitions, 969 flow [2024-11-09 06:58:17,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 380 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:17,179 INFO L231 Difference]: Finished difference. Result has 384 places, 380 transitions, 793 flow [2024-11-09 06:58:17,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=380} [2024-11-09 06:58:17,181 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-11-09 06:58:17,181 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 380 transitions, 793 flow [2024-11-09 06:58:17,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:17,183 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:17,183 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:17,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:58:17,183 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:17,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:17,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1516935485, now seen corresponding path program 1 times [2024-11-09 06:58:17,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:17,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076242402] [2024-11-09 06:58:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:17,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:17,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:17,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076242402] [2024-11-09 06:58:17,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076242402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:17,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:17,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:58:17,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124531768] [2024-11-09 06:58:17,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:17,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:17,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:17,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:17,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:58:18,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 408 [2024-11-09 06:58:18,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 380 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:18,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:18,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 408 [2024-11-09 06:58:18,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:18,563 INFO L124 PetriNetUnfolderBase]: 320/1890 cut-off events. [2024-11-09 06:58:18,563 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-09 06:58:18,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2743 conditions, 1890 events. 320/1890 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10719 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2289. Up to 792 conditions per place. [2024-11-09 06:58:18,572 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 88 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-11-09 06:58:18,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 379 transitions, 977 flow [2024-11-09 06:58:18,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1858 transitions. [2024-11-09 06:58:18,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7589869281045751 [2024-11-09 06:58:18,577 INFO L175 Difference]: Start difference. First operand has 384 places, 380 transitions, 793 flow. Second operand 6 states and 1858 transitions. [2024-11-09 06:58:18,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 379 transitions, 977 flow [2024-11-09 06:58:18,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 379 transitions, 967 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:18,585 INFO L231 Difference]: Finished difference. Result has 383 places, 379 transitions, 791 flow [2024-11-09 06:58:18,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=383, PETRI_TRANSITIONS=379} [2024-11-09 06:58:18,587 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-11-09 06:58:18,588 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 379 transitions, 791 flow [2024-11-09 06:58:18,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:18,589 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:18,589 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:18,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:58:18,590 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:18,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:18,590 INFO L85 PathProgramCache]: Analyzing trace with hash 689314316, now seen corresponding path program 1 times [2024-11-09 06:58:18,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:18,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026762111] [2024-11-09 06:58:18,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:18,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:18,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:18,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026762111] [2024-11-09 06:58:18,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026762111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:18,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37591810] [2024-11-09 06:58:18,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:18,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:18,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:18,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:18,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:58:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:19,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:58:19,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:19,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:58:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:19,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37591810] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:58:19,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:58:19,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 06:58:19,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764093301] [2024-11-09 06:58:19,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:58:19,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:58:19,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:19,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:58:19,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:58:19,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-09 06:58:19,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 379 transitions, 791 flow. Second operand has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:19,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:19,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-09 06:58:19,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:19,684 INFO L124 PetriNetUnfolderBase]: 15/911 cut-off events. [2024-11-09 06:58:19,684 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-09 06:58:19,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 911 events. 15/911 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1033 event pairs, 8 based on Foata normal form. 4/889 useless extension candidates. Maximal degree in co-relation 799. Up to 38 conditions per place. [2024-11-09 06:58:19,687 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 19 selfloop transitions, 9 changer transitions 0/387 dead transitions. [2024-11-09 06:58:19,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 387 transitions, 865 flow [2024-11-09 06:58:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:58:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 06:58:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3351 transitions. [2024-11-09 06:58:19,694 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9125816993464052 [2024-11-09 06:58:19,694 INFO L175 Difference]: Start difference. First operand has 383 places, 379 transitions, 791 flow. Second operand 9 states and 3351 transitions. [2024-11-09 06:58:19,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 387 transitions, 865 flow [2024-11-09 06:58:19,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 387 transitions, 855 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:58:19,701 INFO L231 Difference]: Finished difference. Result has 389 places, 385 transitions, 831 flow [2024-11-09 06:58:19,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=831, PETRI_PLACES=389, PETRI_TRANSITIONS=385} [2024-11-09 06:58:19,702 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 3 predicate places. [2024-11-09 06:58:19,702 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 385 transitions, 831 flow [2024-11-09 06:58:19,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:19,704 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:19,705 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:19,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:58:19,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 06:58:19,910 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:19,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:19,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1039848228, now seen corresponding path program 2 times [2024-11-09 06:58:19,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:19,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873345267] [2024-11-09 06:58:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:19,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-09 06:58:20,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:20,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873345267] [2024-11-09 06:58:20,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873345267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:20,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899284454] [2024-11-09 06:58:20,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:58:20,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:20,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:20,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:58:20,640 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:58:20,640 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:58:20,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 06:58:20,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:20,749 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 11 treesize of output 7 [2024-11-09 06:58:20,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-09 06:58:20,812 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:58:20,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-09 06:58:20,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:58:20,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-09 06:58:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-09 06:58:20,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:58:20,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899284454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:20,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:58:20,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-11-09 06:58:20,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598616440] [2024-11-09 06:58:20,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:20,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:58:20,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:20,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:58:20,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 06:58:21,451 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 408 [2024-11-09 06:58:21,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 385 transitions, 831 flow. Second operand has 8 states, 8 states have (on average 297.125) internal successors, (2377), 8 states have internal predecessors, (2377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:21,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:21,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 408 [2024-11-09 06:58:21,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:22,110 INFO L124 PetriNetUnfolderBase]: 628/3191 cut-off events. [2024-11-09 06:58:22,110 INFO L125 PetriNetUnfolderBase]: For 32/48 co-relation queries the response was YES. [2024-11-09 06:58:22,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4706 conditions, 3191 events. 628/3191 cut-off events. For 32/48 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 19804 event pairs, 468 based on Foata normal form. 3/2959 useless extension candidates. Maximal degree in co-relation 4042. Up to 1044 conditions per place. [2024-11-09 06:58:22,123 INFO L140 encePairwiseOnDemand]: 397/408 looper letters, 168 selfloop transitions, 10 changer transitions 0/466 dead transitions. [2024-11-09 06:58:22,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 466 transitions, 1349 flow [2024-11-09 06:58:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:58:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-09 06:58:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2508 transitions. [2024-11-09 06:58:22,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7683823529411765 [2024-11-09 06:58:22,128 INFO L175 Difference]: Start difference. First operand has 389 places, 385 transitions, 831 flow. Second operand 8 states and 2508 transitions. [2024-11-09 06:58:22,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 466 transitions, 1349 flow [2024-11-09 06:58:22,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 466 transitions, 1343 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:22,137 INFO L231 Difference]: Finished difference. Result has 400 places, 391 transitions, 884 flow [2024-11-09 06:58:22,137 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=884, PETRI_PLACES=400, PETRI_TRANSITIONS=391} [2024-11-09 06:58:22,138 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 14 predicate places. [2024-11-09 06:58:22,138 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 391 transitions, 884 flow [2024-11-09 06:58:22,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 297.125) internal successors, (2377), 8 states have internal predecessors, (2377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:22,139 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:22,140 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:22,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:58:22,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 06:58:22,341 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:22,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:22,341 INFO L85 PathProgramCache]: Analyzing trace with hash 338817365, now seen corresponding path program 1 times [2024-11-09 06:58:22,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:22,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968757790] [2024-11-09 06:58:22,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:22,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-09 06:58:22,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:22,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968757790] [2024-11-09 06:58:22,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968757790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:22,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498512621] [2024-11-09 06:58:22,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:22,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:22,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:22,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:22,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:58:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:23,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:58:23,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 06:58:23,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:58:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 06:58:23,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498512621] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:58:23,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:58:23,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-09 06:58:23,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219501254] [2024-11-09 06:58:23,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:58:23,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 06:58:23,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:23,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 06:58:23,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-09 06:58:24,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 408 [2024-11-09 06:58:24,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 391 transitions, 884 flow. Second operand has 19 states, 19 states have (on average 365.57894736842104) internal successors, (6946), 19 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:24,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:24,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 408 [2024-11-09 06:58:24,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:25,349 INFO L124 PetriNetUnfolderBase]: 24/2415 cut-off events. [2024-11-09 06:58:25,350 INFO L125 PetriNetUnfolderBase]: For 85/88 co-relation queries the response was YES. [2024-11-09 06:58:25,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2754 conditions, 2415 events. 24/2415 cut-off events. For 85/88 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1826 event pairs, 9 based on Foata normal form. 13/2391 useless extension candidates. Maximal degree in co-relation 2342. Up to 52 conditions per place. [2024-11-09 06:58:25,356 INFO L140 encePairwiseOnDemand]: 397/408 looper letters, 51 selfloop transitions, 68 changer transitions 0/477 dead transitions. [2024-11-09 06:58:25,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 477 transitions, 1532 flow [2024-11-09 06:58:25,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 06:58:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-09 06:58:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 23001 transitions. [2024-11-09 06:58:25,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8948412698412699 [2024-11-09 06:58:25,394 INFO L175 Difference]: Start difference. First operand has 400 places, 391 transitions, 884 flow. Second operand 63 states and 23001 transitions. [2024-11-09 06:58:25,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 477 transitions, 1532 flow [2024-11-09 06:58:25,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 477 transitions, 1525 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:25,403 INFO L231 Difference]: Finished difference. Result has 476 places, 453 transitions, 1397 flow [2024-11-09 06:58:25,404 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1397, PETRI_PLACES=476, PETRI_TRANSITIONS=453} [2024-11-09 06:58:25,405 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 90 predicate places. [2024-11-09 06:58:25,405 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 453 transitions, 1397 flow [2024-11-09 06:58:25,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 365.57894736842104) internal successors, (6946), 19 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:25,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:25,409 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:25,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:58:25,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:25,610 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:25,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:25,611 INFO L85 PathProgramCache]: Analyzing trace with hash -31882471, now seen corresponding path program 2 times [2024-11-09 06:58:25,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:25,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280918006] [2024-11-09 06:58:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:25,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2024-11-09 06:58:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:28,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280918006] [2024-11-09 06:58:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280918006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:28,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466075366] [2024-11-09 06:58:28,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:58:28,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:28,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:28,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:28,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:58:29,127 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:58:29,127 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:58:29,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:58:29,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:29,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-09 06:58:29,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-09 06:58:29,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:58:29,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-09 06:58:29,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:58:29,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-09 06:58:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8255 trivial. 0 not checked. [2024-11-09 06:58:29,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:58:29,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466075366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:29,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:58:29,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-09 06:58:29,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964832782] [2024-11-09 06:58:29,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:29,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:58:29,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:29,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:58:29,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-09 06:58:29,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 408 [2024-11-09 06:58:29,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 453 transitions, 1397 flow. Second operand has 6 states, 6 states have (on average 301.3333333333333) internal successors, (1808), 6 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:29,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:29,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 408 [2024-11-09 06:58:29,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:31,907 INFO L124 PetriNetUnfolderBase]: 739/4858 cut-off events. [2024-11-09 06:58:31,907 INFO L125 PetriNetUnfolderBase]: For 692/708 co-relation queries the response was YES. [2024-11-09 06:58:31,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7758 conditions, 4858 events. 739/4858 cut-off events. For 692/708 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 22683 event pairs, 323 based on Foata normal form. 41/4688 useless extension candidates. Maximal degree in co-relation 5644. Up to 1916 conditions per place. [2024-11-09 06:58:31,937 INFO L140 encePairwiseOnDemand]: 373/408 looper letters, 127 selfloop transitions, 123 changer transitions 0/601 dead transitions. [2024-11-09 06:58:31,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 601 transitions, 2207 flow [2024-11-09 06:58:31,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:58:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:58:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1998 transitions. [2024-11-09 06:58:31,940 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161764705882353 [2024-11-09 06:58:31,940 INFO L175 Difference]: Start difference. First operand has 476 places, 453 transitions, 1397 flow. Second operand 6 states and 1998 transitions. [2024-11-09 06:58:31,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 601 transitions, 2207 flow [2024-11-09 06:58:31,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 601 transitions, 2131 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-09 06:58:31,962 INFO L231 Difference]: Finished difference. Result has 479 places, 569 transitions, 2125 flow [2024-11-09 06:58:31,963 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=1321, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2125, PETRI_PLACES=479, PETRI_TRANSITIONS=569} [2024-11-09 06:58:31,963 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 93 predicate places. [2024-11-09 06:58:31,963 INFO L471 AbstractCegarLoop]: Abstraction has has 479 places, 569 transitions, 2125 flow [2024-11-09 06:58:31,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.3333333333333) internal successors, (1808), 6 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:31,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:31,966 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:31,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:58:32,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:32,167 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:32,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:32,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1743570414, now seen corresponding path program 1 times [2024-11-09 06:58:32,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:32,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590538084] [2024-11-09 06:58:32,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:32,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-09 06:58:33,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:33,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590538084] [2024-11-09 06:58:33,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590538084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:33,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736510702] [2024-11-09 06:58:33,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:33,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:33,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:33,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:33,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:58:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:34,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 5674 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:58:34,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-09 06:58:35,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:58:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-11-09 06:58:36,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736510702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:58:36,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:58:36,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-11-09 06:58:36,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876462288] [2024-11-09 06:58:36,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:58:36,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-09 06:58:36,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:36,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-09 06:58:36,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 06:58:36,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 408 [2024-11-09 06:58:36,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 569 transitions, 2125 flow. Second operand has 35 states, 35 states have (on average 365.51428571428573) internal successors, (12793), 35 states have internal predecessors, (12793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:36,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:36,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 408 [2024-11-09 06:58:36,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:40,108 INFO L124 PetriNetUnfolderBase]: 298/5642 cut-off events. [2024-11-09 06:58:40,108 INFO L125 PetriNetUnfolderBase]: For 3677/3678 co-relation queries the response was YES. [2024-11-09 06:58:40,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7801 conditions, 5642 events. 298/5642 cut-off events. For 3677/3678 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 9649 event pairs, 0 based on Foata normal form. 34/5583 useless extension candidates. Maximal degree in co-relation 4995. Up to 341 conditions per place. [2024-11-09 06:58:40,128 INFO L140 encePairwiseOnDemand]: 397/408 looper letters, 73 selfloop transitions, 140 changer transitions 0/671 dead transitions. [2024-11-09 06:58:40,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 671 transitions, 3312 flow [2024-11-09 06:58:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-09 06:58:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2024-11-09 06:58:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 17898 transitions. [2024-11-09 06:58:40,151 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8952581032412965 [2024-11-09 06:58:40,151 INFO L175 Difference]: Start difference. First operand has 479 places, 569 transitions, 2125 flow. Second operand 49 states and 17898 transitions. [2024-11-09 06:58:40,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 671 transitions, 3312 flow [2024-11-09 06:58:40,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 671 transitions, 3300 flow, removed 6 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:40,180 INFO L231 Difference]: Finished difference. Result has 514 places, 621 transitions, 2947 flow [2024-11-09 06:58:40,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=2062, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=2947, PETRI_PLACES=514, PETRI_TRANSITIONS=621} [2024-11-09 06:58:40,181 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 128 predicate places. [2024-11-09 06:58:40,181 INFO L471 AbstractCegarLoop]: Abstraction has has 514 places, 621 transitions, 2947 flow [2024-11-09 06:58:40,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 365.51428571428573) internal successors, (12793), 35 states have internal predecessors, (12793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:40,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:40,187 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:40,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 06:58:40,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 06:58:40,388 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:58:40,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:40,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1149192308, now seen corresponding path program 1 times [2024-11-09 06:58:40,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:40,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440829609] [2024-11-09 06:58:40,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:40,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-09 06:58:50,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:50,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440829609] [2024-11-09 06:58:50,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440829609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:58:50,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904868906] [2024-11-09 06:58:50,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:50,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:58:50,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:50,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:58:50,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:58:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:53,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 11581 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 06:58:53,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:58:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-09 06:58:54,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:58:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-09 06:58:56,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904868906] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:58:56,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:58:56,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-09 06:58:56,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137724386] [2024-11-09 06:58:56,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:58:56,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-09 06:58:56,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:56,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-09 06:58:56,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-09 06:58:56,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-09 06:58:56,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 621 transitions, 2947 flow. Second operand has 63 states, 63 states have (on average 371.1111111111111) internal successors, (23380), 63 states have internal predecessors, (23380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:56,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:56,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-09 06:58:56,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:04,950 INFO L124 PetriNetUnfolderBase]: 198/9488 cut-off events. [2024-11-09 06:59:04,950 INFO L125 PetriNetUnfolderBase]: For 13784/13814 co-relation queries the response was YES. [2024-11-09 06:59:04,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12515 conditions, 9488 events. 198/9488 cut-off events. For 13784/13814 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8896 event pairs, 0 based on Foata normal form. 45/9448 useless extension candidates. Maximal degree in co-relation 10210. Up to 346 conditions per place. [2024-11-09 06:59:04,981 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 94 selfloop transitions, 270 changer transitions 0/827 dead transitions. [2024-11-09 06:59:04,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 827 transitions, 5861 flow [2024-11-09 06:59:04,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-09 06:59:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-09 06:59:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 33359 transitions. [2024-11-09 06:59:05,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9084694989106754 [2024-11-09 06:59:05,013 INFO L175 Difference]: Start difference. First operand has 514 places, 621 transitions, 2947 flow. Second operand 90 states and 33359 transitions. [2024-11-09 06:59:05,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 827 transitions, 5861 flow [2024-11-09 06:59:05,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 827 transitions, 5745 flow, removed 0 selfloop flow, removed 21 redundant places. [2024-11-09 06:59:05,058 INFO L231 Difference]: Finished difference. Result has 598 places, 759 transitions, 4823 flow [2024-11-09 06:59:05,059 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=2831, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4823, PETRI_PLACES=598, PETRI_TRANSITIONS=759} [2024-11-09 06:59:05,060 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 212 predicate places. [2024-11-09 06:59:05,060 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 759 transitions, 4823 flow [2024-11-09 06:59:05,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 371.1111111111111) internal successors, (23380), 63 states have internal predecessors, (23380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:05,068 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:05,070 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:05,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 06:59:05,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 06:59:05,271 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:59:05,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:05,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1037661428, now seen corresponding path program 2 times [2024-11-09 06:59:05,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:05,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817378674] [2024-11-09 06:59:05,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:05,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat