./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/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-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:55:42,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:55:42,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:55:42,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:55:42,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:55:42,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:55:42,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:55:42,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:55:42,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:55:42,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:55:42,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:55:42,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:55:42,709 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:55:42,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:55:42,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:55:42,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:55:42,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:55:42,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:55:42,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:55:42,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:55:42,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:55:42,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:55:42,715 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:55:42,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:55:42,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:55:42,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:55:42,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:55:42,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:55:42,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:55:42,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:55:42,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:55:42,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:55:42,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:55:42,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:55:42,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:55:42,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:55:42,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:55:42,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:55:42,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:55:42,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:55:42,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:55:42,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-10-13 09:55:42,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:55:42,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:55:42,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:55:42,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:55:42,977 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:55:42,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-10-13 09:55:44,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:55:44,631 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:55:44,631 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-10-13 09:55:44,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef5aede86/ec2e3dc2fe744cf39b584db1fc73da1b/FLAGca92c0505 [2024-10-13 09:55:44,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef5aede86/ec2e3dc2fe744cf39b584db1fc73da1b [2024-10-13 09:55:44,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:55:44,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:55:44,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:55:44,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:55:44,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:55:44,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:55:44" (1/1) ... [2024-10-13 09:55:44,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482754ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:44, skipping insertion in model container [2024-10-13 09:55:44,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:55:44" (1/1) ... [2024-10-13 09:55:45,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:55:45,425 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 09:55:45,426 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 09:55:45,426 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 09:55:45,427 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 09:55:45,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:55:45,475 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:55:45,517 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 09:55:45,518 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 09:55:45,518 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 09:55:45,519 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-13 09:55:45,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:55:45,584 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:55:45,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45 WrapperNode [2024-10-13 09:55:45,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:55:45,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:55:45,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:55:45,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:55:45,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,652 INFO L138 Inliner]: procedures = 278, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 315 [2024-10-13 09:55:45,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:55:45,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:55:45,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:55:45,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:55:45,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:55:45,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:55:45,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:55:45,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:55:45,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (1/1) ... [2024-10-13 09:55:45,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:55:45,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:55:45,754 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) [2024-10-13 09:55:45,763 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 [2024-10-13 09:55:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 09:55:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-13 09:55:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 09:55:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 09:55:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 09:55:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 09:55:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 09:55:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 09:55:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:55:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-13 09:55:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-13 09:55:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-13 09:55:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:55:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:55:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:55:45,805 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:55:45,946 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:55:45,948 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:55:46,490 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:55:46,491 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:55:46,534 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:55:46,536 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-13 09:55:46,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:55:46 BoogieIcfgContainer [2024-10-13 09:55:46,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:55:46,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:55:46,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:55:46,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:55:46,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:55:44" (1/3) ... [2024-10-13 09:55:46,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edc45f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:55:46, skipping insertion in model container [2024-10-13 09:55:46,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:45" (2/3) ... [2024-10-13 09:55:46,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edc45f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:55:46, skipping insertion in model container [2024-10-13 09:55:46,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:55:46" (3/3) ... [2024-10-13 09:55:46,544 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-10-13 09:55:46,557 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:55:46,557 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-10-13 09:55:46,557 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:55:46,647 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-13 09:55:46,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 340 transitions, 687 flow [2024-10-13 09:55:46,800 INFO L124 PetriNetUnfolderBase]: 27/372 cut-off events. [2024-10-13 09:55:46,800 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:55:46,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 372 events. 27/372 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 956 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 187. Up to 4 conditions per place. [2024-10-13 09:55:46,809 INFO L82 GeneralOperation]: Start removeDead. Operand has 318 places, 340 transitions, 687 flow [2024-10-13 09:55:46,819 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 340 transitions, 687 flow [2024-10-13 09:55:46,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:55:46,836 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;@53534ca9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:55:46,837 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-13 09:55:46,849 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:55:46,850 INFO L124 PetriNetUnfolderBase]: 3/52 cut-off events. [2024-10-13 09:55:46,850 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:55:46,850 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:46,851 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:55:46,852 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)] === [2024-10-13 09:55:46,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:46,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1046704025, now seen corresponding path program 1 times [2024-10-13 09:55:46,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:46,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401970028] [2024-10-13 09:55:46,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:46,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:47,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:47,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401970028] [2024-10-13 09:55:47,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401970028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:47,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:47,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:55:47,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176495245] [2024-10-13 09:55:47,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:47,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:55:47,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:47,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:55:47,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:48,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 340 [2024-10-13 09:55:48,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 340 transitions, 687 flow. Second operand has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:48,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:48,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 340 [2024-10-13 09:55:48,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:48,537 INFO L124 PetriNetUnfolderBase]: 319/1534 cut-off events. [2024-10-13 09:55:48,537 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-13 09:55:48,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2224 conditions, 1534 events. 319/1534 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10078 event pairs, 288 based on Foata normal form. 182/1586 useless extension candidates. Maximal degree in co-relation 1972. Up to 674 conditions per place. [2024-10-13 09:55:48,552 INFO L140 encePairwiseOnDemand]: 309/340 looper letters, 80 selfloop transitions, 10 changer transitions 0/317 dead transitions. [2024-10-13 09:55:48,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 317 transitions, 821 flow [2024-10-13 09:55:48,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:55:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:55:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1479 transitions. [2024-10-13 09:55:48,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.725 [2024-10-13 09:55:48,579 INFO L175 Difference]: Start difference. First operand has 318 places, 340 transitions, 687 flow. Second operand 6 states and 1479 transitions. [2024-10-13 09:55:48,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 317 transitions, 821 flow [2024-10-13 09:55:48,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 317 transitions, 821 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:55:48,595 INFO L231 Difference]: Finished difference. Result has 319 places, 317 transitions, 661 flow [2024-10-13 09:55:48,597 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=661, PETRI_PLACES=319, PETRI_TRANSITIONS=317} [2024-10-13 09:55:48,601 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-10-13 09:55:48,604 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 317 transitions, 661 flow [2024-10-13 09:55:48,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:48,605 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:48,605 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] [2024-10-13 09:55:48,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:55:48,606 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)] === [2024-10-13 09:55:48,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:48,606 INFO L85 PathProgramCache]: Analyzing trace with hash 533804622, now seen corresponding path program 1 times [2024-10-13 09:55:48,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:48,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335586279] [2024-10-13 09:55:48,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:48,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:48,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:48,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335586279] [2024-10-13 09:55:48,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335586279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:48,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:48,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 09:55:48,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081697369] [2024-10-13 09:55:48,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:48,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:55:48,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:48,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:55:48,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:55:48,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 340 [2024-10-13 09:55:48,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 317 transitions, 661 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:48,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:48,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 340 [2024-10-13 09:55:48,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:48,744 INFO L124 PetriNetUnfolderBase]: 15/497 cut-off events. [2024-10-13 09:55:48,744 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-10-13 09:55:48,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 497 events. 15/497 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1670 event pairs, 8 based on Foata normal form. 1/454 useless extension candidates. Maximal degree in co-relation 334. Up to 34 conditions per place. [2024-10-13 09:55:48,748 INFO L140 encePairwiseOnDemand]: 337/340 looper letters, 15 selfloop transitions, 2 changer transitions 0/318 dead transitions. [2024-10-13 09:55:48,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 318 transitions, 697 flow [2024-10-13 09:55:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:55:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:55:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 930 transitions. [2024-10-13 09:55:48,752 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9117647058823529 [2024-10-13 09:55:48,752 INFO L175 Difference]: Start difference. First operand has 319 places, 317 transitions, 661 flow. Second operand 3 states and 930 transitions. [2024-10-13 09:55:48,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 318 transitions, 697 flow [2024-10-13 09:55:48,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 318 transitions, 677 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:55:48,760 INFO L231 Difference]: Finished difference. Result has 317 places, 318 transitions, 653 flow [2024-10-13 09:55:48,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=317, PETRI_TRANSITIONS=318} [2024-10-13 09:55:48,761 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -1 predicate places. [2024-10-13 09:55:48,762 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 318 transitions, 653 flow [2024-10-13 09:55:48,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:48,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:48,765 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:55:48,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:55:48,766 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)] === [2024-10-13 09:55:48,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:48,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1393514690, now seen corresponding path program 1 times [2024-10-13 09:55:48,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:48,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385844921] [2024-10-13 09:55:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:48,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:49,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:49,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385844921] [2024-10-13 09:55:49,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385844921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:49,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:49,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:55:49,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063095323] [2024-10-13 09:55:49,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:49,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:55:49,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:49,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:55:49,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:49,511 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 340 [2024-10-13 09:55:49,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 318 transitions, 653 flow. Second operand has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:49,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:49,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 340 [2024-10-13 09:55:49,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:49,855 INFO L124 PetriNetUnfolderBase]: 320/1656 cut-off events. [2024-10-13 09:55:49,856 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-10-13 09:55:49,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2397 conditions, 1656 events. 320/1656 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10837 event pairs, 288 based on Foata normal form. 0/1522 useless extension candidates. Maximal degree in co-relation 2201. Up to 708 conditions per place. [2024-10-13 09:55:49,866 INFO L140 encePairwiseOnDemand]: 328/340 looper letters, 80 selfloop transitions, 10 changer transitions 0/316 dead transitions. [2024-10-13 09:55:49,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 316 transitions, 829 flow [2024-10-13 09:55:49,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:55:49,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:55:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1460 transitions. [2024-10-13 09:55:49,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7156862745098039 [2024-10-13 09:55:49,870 INFO L175 Difference]: Start difference. First operand has 317 places, 318 transitions, 653 flow. Second operand 6 states and 1460 transitions. [2024-10-13 09:55:49,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 316 transitions, 829 flow [2024-10-13 09:55:49,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 316 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:55:49,876 INFO L231 Difference]: Finished difference. Result has 319 places, 316 transitions, 667 flow [2024-10-13 09:55:49,877 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=667, PETRI_PLACES=319, PETRI_TRANSITIONS=316} [2024-10-13 09:55:49,878 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-10-13 09:55:49,880 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 316 transitions, 667 flow [2024-10-13 09:55:49,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:49,881 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:49,881 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] [2024-10-13 09:55:49,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:55:49,882 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)] === [2024-10-13 09:55:49,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:49,882 INFO L85 PathProgramCache]: Analyzing trace with hash 37529182, now seen corresponding path program 1 times [2024-10-13 09:55:49,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:49,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649748798] [2024-10-13 09:55:49,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:49,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:50,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:50,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649748798] [2024-10-13 09:55:50,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649748798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:50,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:50,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:55:50,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953533533] [2024-10-13 09:55:50,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:50,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:55:50,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:50,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:55:50,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:50,511 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 340 [2024-10-13 09:55:50,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 316 transitions, 667 flow. Second operand has 6 states, 6 states have (on average 229.66666666666666) internal successors, (1378), 6 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:50,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:50,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 340 [2024-10-13 09:55:50,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:50,670 INFO L124 PetriNetUnfolderBase]: 320/1654 cut-off events. [2024-10-13 09:55:50,671 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-13 09:55:50,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2418 conditions, 1654 events. 320/1654 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10826 event pairs, 288 based on Foata normal form. 0/1522 useless extension candidates. Maximal degree in co-relation 2101. Up to 722 conditions per place. [2024-10-13 09:55:50,679 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 87 selfloop transitions, 5 changer transitions 0/315 dead transitions. [2024-10-13 09:55:50,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 315 transitions, 849 flow [2024-10-13 09:55:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:55:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:55:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2024-10-13 09:55:50,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7132352941176471 [2024-10-13 09:55:50,683 INFO L175 Difference]: Start difference. First operand has 319 places, 316 transitions, 667 flow. Second operand 6 states and 1455 transitions. [2024-10-13 09:55:50,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 315 transitions, 849 flow [2024-10-13 09:55:50,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 315 transitions, 829 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:55:50,688 INFO L231 Difference]: Finished difference. Result has 318 places, 315 transitions, 655 flow [2024-10-13 09:55:50,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=655, PETRI_PLACES=318, PETRI_TRANSITIONS=315} [2024-10-13 09:55:50,689 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 0 predicate places. [2024-10-13 09:55:50,689 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 315 transitions, 655 flow [2024-10-13 09:55:50,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.66666666666666) internal successors, (1378), 6 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:50,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:50,690 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] [2024-10-13 09:55:50,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:55:50,691 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-13 09:55:50,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:50,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1074277269, now seen corresponding path program 1 times [2024-10-13 09:55:50,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:50,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401393667] [2024-10-13 09:55:50,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:50,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:50,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:50,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401393667] [2024-10-13 09:55:50,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401393667] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:50,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:50,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 09:55:50,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462717955] [2024-10-13 09:55:50,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:50,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:55:50,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:50,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:55:50,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:55:50,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 340 [2024-10-13 09:55:50,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 315 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:50,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:50,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 340 [2024-10-13 09:55:50,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:50,826 INFO L124 PetriNetUnfolderBase]: 15/679 cut-off events. [2024-10-13 09:55:50,826 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-10-13 09:55:50,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 679 events. 15/679 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1618 event pairs, 8 based on Foata normal form. 2/635 useless extension candidates. Maximal degree in co-relation 525. Up to 38 conditions per place. [2024-10-13 09:55:50,829 INFO L140 encePairwiseOnDemand]: 337/340 looper letters, 15 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2024-10-13 09:55:50,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 316 transitions, 691 flow [2024-10-13 09:55:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:55:50,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:55:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 930 transitions. [2024-10-13 09:55:50,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9117647058823529 [2024-10-13 09:55:50,831 INFO L175 Difference]: Start difference. First operand has 318 places, 315 transitions, 655 flow. Second operand 3 states and 930 transitions. [2024-10-13 09:55:50,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 316 transitions, 691 flow [2024-10-13 09:55:50,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 316 transitions, 681 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:55:50,836 INFO L231 Difference]: Finished difference. Result has 316 places, 316 transitions, 657 flow [2024-10-13 09:55:50,836 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=657, PETRI_PLACES=316, PETRI_TRANSITIONS=316} [2024-10-13 09:55:50,837 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -2 predicate places. [2024-10-13 09:55:50,837 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 316 transitions, 657 flow [2024-10-13 09:55:50,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:50,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:50,838 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] [2024-10-13 09:55:50,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:55:50,838 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)] === [2024-10-13 09:55:50,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:50,839 INFO L85 PathProgramCache]: Analyzing trace with hash 529499373, now seen corresponding path program 1 times [2024-10-13 09:55:50,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:50,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359894816] [2024-10-13 09:55:50,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:51,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:51,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359894816] [2024-10-13 09:55:51,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359894816] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:51,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:51,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:55:51,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671457570] [2024-10-13 09:55:51,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:51,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:55:51,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:51,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:55:51,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:51,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 340 [2024-10-13 09:55:51,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 316 transitions, 657 flow. Second operand has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:51,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:51,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 340 [2024-10-13 09:55:51,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:51,811 INFO L124 PetriNetUnfolderBase]: 83/993 cut-off events. [2024-10-13 09:55:51,811 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-10-13 09:55:51,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 993 events. 83/993 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3666 event pairs, 64 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 882. Up to 311 conditions per place. [2024-10-13 09:55:51,816 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 62 selfloop transitions, 5 changer transitions 0/315 dead transitions. [2024-10-13 09:55:51,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 315 transitions, 789 flow [2024-10-13 09:55:51,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:55:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:55:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1580 transitions. [2024-10-13 09:55:51,822 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7745098039215687 [2024-10-13 09:55:51,822 INFO L175 Difference]: Start difference. First operand has 316 places, 316 transitions, 657 flow. Second operand 6 states and 1580 transitions. [2024-10-13 09:55:51,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 315 transitions, 789 flow [2024-10-13 09:55:51,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 315 transitions, 787 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:55:51,826 INFO L231 Difference]: Finished difference. Result has 319 places, 315 transitions, 663 flow [2024-10-13 09:55:51,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=663, PETRI_PLACES=319, PETRI_TRANSITIONS=315} [2024-10-13 09:55:51,827 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-10-13 09:55:51,827 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 315 transitions, 663 flow [2024-10-13 09:55:51,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:51,829 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:51,829 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] [2024-10-13 09:55:51,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:55:51,829 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)] === [2024-10-13 09:55:51,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:51,829 INFO L85 PathProgramCache]: Analyzing trace with hash -286938861, now seen corresponding path program 1 times [2024-10-13 09:55:51,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:51,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941737794] [2024-10-13 09:55:51,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:51,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:52,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:52,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941737794] [2024-10-13 09:55:52,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941737794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:52,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:52,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:55:52,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45382289] [2024-10-13 09:55:52,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:52,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:55:52,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:52,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:55:52,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:52,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 340 [2024-10-13 09:55:52,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 315 transitions, 663 flow. Second operand has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:52,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:52,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 340 [2024-10-13 09:55:52,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:52,840 INFO L124 PetriNetUnfolderBase]: 320/1834 cut-off events. [2024-10-13 09:55:52,841 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-13 09:55:52,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2683 conditions, 1834 events. 320/1834 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10752 event pairs, 288 based on Foata normal form. 0/1702 useless extension candidates. Maximal degree in co-relation 2245. Up to 788 conditions per place. [2024-10-13 09:55:52,849 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 87 selfloop transitions, 5 changer transitions 0/314 dead transitions. [2024-10-13 09:55:52,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 314 transitions, 845 flow [2024-10-13 09:55:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:55:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:55:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2024-10-13 09:55:52,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7132352941176471 [2024-10-13 09:55:52,854 INFO L175 Difference]: Start difference. First operand has 319 places, 315 transitions, 663 flow. Second operand 6 states and 1455 transitions. [2024-10-13 09:55:52,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 314 transitions, 845 flow [2024-10-13 09:55:52,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 314 transitions, 835 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:55:52,861 INFO L231 Difference]: Finished difference. Result has 318 places, 314 transitions, 661 flow [2024-10-13 09:55:52,862 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=661, PETRI_PLACES=318, PETRI_TRANSITIONS=314} [2024-10-13 09:55:52,862 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 0 predicate places. [2024-10-13 09:55:52,863 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 314 transitions, 661 flow [2024-10-13 09:55:52,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:52,863 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:52,864 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] [2024-10-13 09:55:52,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:55:52,864 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)] === [2024-10-13 09:55:52,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:52,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1564661826, now seen corresponding path program 1 times [2024-10-13 09:55:52,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:52,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800193547] [2024-10-13 09:55:52,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:52,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:53,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:53,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800193547] [2024-10-13 09:55:53,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800193547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:53,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:53,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:55:53,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990186076] [2024-10-13 09:55:53,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:53,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:55:53,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:53,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:55:53,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:53,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 340 [2024-10-13 09:55:53,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 314 transitions, 661 flow. Second operand has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:53,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:53,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 340 [2024-10-13 09:55:53,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:53,720 INFO L124 PetriNetUnfolderBase]: 320/1830 cut-off events. [2024-10-13 09:55:53,720 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-13 09:55:53,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 1830 events. 320/1830 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10697 event pairs, 288 based on Foata normal form. 0/1702 useless extension candidates. Maximal degree in co-relation 2261. Up to 772 conditions per place. [2024-10-13 09:55:53,726 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 83 selfloop transitions, 5 changer transitions 0/313 dead transitions. [2024-10-13 09:55:53,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 313 transitions, 835 flow [2024-10-13 09:55:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:55:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:55:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1475 transitions. [2024-10-13 09:55:53,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7230392156862745 [2024-10-13 09:55:53,732 INFO L175 Difference]: Start difference. First operand has 318 places, 314 transitions, 661 flow. Second operand 6 states and 1475 transitions. [2024-10-13 09:55:53,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 313 transitions, 835 flow [2024-10-13 09:55:53,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 313 transitions, 825 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:55:53,737 INFO L231 Difference]: Finished difference. Result has 317 places, 313 transitions, 659 flow [2024-10-13 09:55:53,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=659, PETRI_PLACES=317, PETRI_TRANSITIONS=313} [2024-10-13 09:55:53,739 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -1 predicate places. [2024-10-13 09:55:53,739 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 313 transitions, 659 flow [2024-10-13 09:55:53,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:53,740 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:53,740 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] [2024-10-13 09:55:53,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:55:53,741 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)] === [2024-10-13 09:55:53,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:53,741 INFO L85 PathProgramCache]: Analyzing trace with hash -2005201315, now seen corresponding path program 1 times [2024-10-13 09:55:53,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:53,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383673982] [2024-10-13 09:55:53,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:53,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:54,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:54,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383673982] [2024-10-13 09:55:54,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383673982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:54,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:54,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:55:54,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158513023] [2024-10-13 09:55:54,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:54,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:55:54,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:54,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:55:54,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:54,479 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 340 [2024-10-13 09:55:54,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 313 transitions, 659 flow. Second operand has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:54,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:54,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 340 [2024-10-13 09:55:54,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:54,787 INFO L124 PetriNetUnfolderBase]: 320/1826 cut-off events. [2024-10-13 09:55:54,787 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-13 09:55:54,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2659 conditions, 1826 events. 320/1826 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10698 event pairs, 288 based on Foata normal form. 0/1702 useless extension candidates. Maximal degree in co-relation 2276. Up to 772 conditions per place. [2024-10-13 09:55:54,795 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 83 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2024-10-13 09:55:54,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 312 transitions, 833 flow [2024-10-13 09:55:54,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:55:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:55:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1475 transitions. [2024-10-13 09:55:54,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7230392156862745 [2024-10-13 09:55:54,799 INFO L175 Difference]: Start difference. First operand has 317 places, 313 transitions, 659 flow. Second operand 6 states and 1475 transitions. [2024-10-13 09:55:54,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 312 transitions, 833 flow [2024-10-13 09:55:54,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 312 transitions, 823 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:55:54,803 INFO L231 Difference]: Finished difference. Result has 316 places, 312 transitions, 657 flow [2024-10-13 09:55:54,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=657, PETRI_PLACES=316, PETRI_TRANSITIONS=312} [2024-10-13 09:55:54,804 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -2 predicate places. [2024-10-13 09:55:54,804 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 312 transitions, 657 flow [2024-10-13 09:55:54,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:54,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:54,806 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] [2024-10-13 09:55:54,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 09:55:54,806 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)] === [2024-10-13 09:55:54,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:54,806 INFO L85 PathProgramCache]: Analyzing trace with hash 42858567, now seen corresponding path program 1 times [2024-10-13 09:55:54,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:54,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260414935] [2024-10-13 09:55:54,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:55,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:55,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260414935] [2024-10-13 09:55:55,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260414935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:55,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:55,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:55:55,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534569995] [2024-10-13 09:55:55,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:55,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:55:55,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:55,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:55:55,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:55,491 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 340 [2024-10-13 09:55:55,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 312 transitions, 657 flow. Second operand has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:55,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:55,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 340 [2024-10-13 09:55:55,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:55,741 INFO L124 PetriNetUnfolderBase]: 320/1822 cut-off events. [2024-10-13 09:55:55,741 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-13 09:55:55,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2675 conditions, 1822 events. 320/1822 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10732 event pairs, 288 based on Foata normal form. 0/1702 useless extension candidates. Maximal degree in co-relation 2289. Up to 792 conditions per place. [2024-10-13 09:55:55,748 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 88 selfloop transitions, 5 changer transitions 0/311 dead transitions. [2024-10-13 09:55:55,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 311 transitions, 841 flow [2024-10-13 09:55:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:55:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:55:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1450 transitions. [2024-10-13 09:55:55,751 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7107843137254902 [2024-10-13 09:55:55,752 INFO L175 Difference]: Start difference. First operand has 316 places, 312 transitions, 657 flow. Second operand 6 states and 1450 transitions. [2024-10-13 09:55:55,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 311 transitions, 841 flow [2024-10-13 09:55:55,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 311 transitions, 831 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:55:55,756 INFO L231 Difference]: Finished difference. Result has 315 places, 311 transitions, 655 flow [2024-10-13 09:55:55,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=655, PETRI_PLACES=315, PETRI_TRANSITIONS=311} [2024-10-13 09:55:55,757 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -3 predicate places. [2024-10-13 09:55:55,757 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 311 transitions, 655 flow [2024-10-13 09:55:55,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:55,758 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:55,758 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] [2024-10-13 09:55:55,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 09:55:55,758 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)] === [2024-10-13 09:55:55,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:55,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1553123684, now seen corresponding path program 1 times [2024-10-13 09:55:55,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:55,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711379087] [2024-10-13 09:55:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:55,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:55,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:55,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711379087] [2024-10-13 09:55:55,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711379087] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:55:55,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779230236] [2024-10-13 09:55:55,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:55,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:55:55,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:55:55,906 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) [2024-10-13 09:55:55,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 09:55:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:56,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 09:55:56,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:55:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:56,249 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 09:55:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:56,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779230236] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 09:55:56,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 09:55:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-13 09:55:56,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981609385] [2024-10-13 09:55:56,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 09:55:56,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 09:55:56,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:56,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 09:55:56,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 09:55:56,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340 [2024-10-13 09:55:56,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 311 transitions, 655 flow. Second operand has 10 states, 10 states have (on average 302.8) internal successors, (3028), 10 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:56,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:56,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340 [2024-10-13 09:55:56,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:56,573 INFO L124 PetriNetUnfolderBase]: 15/843 cut-off events. [2024-10-13 09:55:56,574 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-10-13 09:55:56,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 957 conditions, 843 events. 15/843 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1052 event pairs, 8 based on Foata normal form. 4/821 useless extension candidates. Maximal degree in co-relation 731. Up to 38 conditions per place. [2024-10-13 09:55:56,577 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 19 selfloop transitions, 9 changer transitions 0/319 dead transitions. [2024-10-13 09:55:56,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 319 transitions, 729 flow [2024-10-13 09:55:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 09:55:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-13 09:55:56,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2739 transitions. [2024-10-13 09:55:56,601 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8950980392156863 [2024-10-13 09:55:56,601 INFO L175 Difference]: Start difference. First operand has 315 places, 311 transitions, 655 flow. Second operand 9 states and 2739 transitions. [2024-10-13 09:55:56,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 319 transitions, 729 flow [2024-10-13 09:55:56,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 319 transitions, 719 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:55:56,606 INFO L231 Difference]: Finished difference. Result has 321 places, 317 transitions, 695 flow [2024-10-13 09:55:56,607 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=695, PETRI_PLACES=321, PETRI_TRANSITIONS=317} [2024-10-13 09:55:56,607 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 3 predicate places. [2024-10-13 09:55:56,607 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 317 transitions, 695 flow [2024-10-13 09:55:56,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 302.8) internal successors, (3028), 10 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:56,608 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:56,609 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] [2024-10-13 09:55:56,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 09:55:56,809 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 [2024-10-13 09:55:56,810 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-13 09:55:56,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:56,810 INFO L85 PathProgramCache]: Analyzing trace with hash -2010027821, now seen corresponding path program 1 times [2024-10-13 09:55:56,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:56,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111650570] [2024-10-13 09:55:56,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:56,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-13 09:55:57,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111650570] [2024-10-13 09:55:57,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111650570] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:55:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091877918] [2024-10-13 09:55:57,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:57,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:55:57,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:55:57,114 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) [2024-10-13 09:55:57,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 09:55:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:57,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 09:55:57,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:55:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-13 09:55:57,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 09:55:57,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091877918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:57,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 09:55:57,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-13 09:55:57,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761040277] [2024-10-13 09:55:57,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:57,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:55:57,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:57,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:55:57,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:55:57,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 340 [2024-10-13 09:55:57,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 317 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:57,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:57,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 340 [2024-10-13 09:55:57,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:57,662 INFO L124 PetriNetUnfolderBase]: 45/1117 cut-off events. [2024-10-13 09:55:57,663 INFO L125 PetriNetUnfolderBase]: For 17/21 co-relation queries the response was YES. [2024-10-13 09:55:57,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1269 conditions, 1117 events. 45/1117 cut-off events. For 17/21 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2862 event pairs, 24 based on Foata normal form. 2/1050 useless extension candidates. Maximal degree in co-relation 809. Up to 77 conditions per place. [2024-10-13 09:55:57,667 INFO L140 encePairwiseOnDemand]: 337/340 looper letters, 22 selfloop transitions, 2 changer transitions 0/325 dead transitions. [2024-10-13 09:55:57,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 325 transitions, 759 flow [2024-10-13 09:55:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:55:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:55:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-10-13 09:55:57,670 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9186274509803921 [2024-10-13 09:55:57,670 INFO L175 Difference]: Start difference. First operand has 321 places, 317 transitions, 695 flow. Second operand 3 states and 937 transitions. [2024-10-13 09:55:57,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 325 transitions, 759 flow [2024-10-13 09:55:57,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 325 transitions, 753 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-13 09:55:57,676 INFO L231 Difference]: Finished difference. Result has 323 places, 317 transitions, 697 flow [2024-10-13 09:55:57,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=323, PETRI_TRANSITIONS=317} [2024-10-13 09:55:57,678 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 5 predicate places. [2024-10-13 09:55:57,679 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 317 transitions, 697 flow [2024-10-13 09:55:57,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:57,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:57,681 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] [2024-10-13 09:55:57,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 09:55:57,881 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 [2024-10-13 09:55:57,882 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)] === [2024-10-13 09:55:57,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:57,882 INFO L85 PathProgramCache]: Analyzing trace with hash 363398740, now seen corresponding path program 2 times [2024-10-13 09:55:57,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:57,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829566217] [2024-10-13 09:55:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:57,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-13 09:55:58,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829566217] [2024-10-13 09:55:58,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829566217] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:55:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738083902] [2024-10-13 09:55:58,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 09:55:58,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:55:58,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:55:58,168 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) [2024-10-13 09:55:58,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 09:55:58,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 09:55:58,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 09:55:58,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 09:55:58,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:55:58,450 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 [2024-10-13 09:55:58,475 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 [2024-10-13 09:55:58,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 09:55:58,508 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 [2024-10-13 09:55:58,541 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 09:55:58,541 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 [2024-10-13 09:55:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-13 09:55:58,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 09:55:58,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738083902] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:58,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 09:55:58,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-10-13 09:55:58,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28031130] [2024-10-13 09:55:58,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:58,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 09:55:58,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:58,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 09:55:58,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 09:55:59,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 340 [2024-10-13 09:55:59,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 317 transitions, 697 flow. Second operand has 8 states, 8 states have (on average 229.125) internal successors, (1833), 8 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:59,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:59,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 340 [2024-10-13 09:55:59,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:59,534 INFO L124 PetriNetUnfolderBase]: 628/3123 cut-off events. [2024-10-13 09:55:59,534 INFO L125 PetriNetUnfolderBase]: For 90/106 co-relation queries the response was YES. [2024-10-13 09:55:59,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4748 conditions, 3123 events. 628/3123 cut-off events. For 90/106 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 19812 event pairs, 468 based on Foata normal form. 2/2890 useless extension candidates. Maximal degree in co-relation 4154. Up to 1044 conditions per place. [2024-10-13 09:55:59,551 INFO L140 encePairwiseOnDemand]: 330/340 looper letters, 168 selfloop transitions, 10 changer transitions 0/398 dead transitions. [2024-10-13 09:55:59,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 398 transitions, 1218 flow [2024-10-13 09:55:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 09:55:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 09:55:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1963 transitions. [2024-10-13 09:55:59,555 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7216911764705882 [2024-10-13 09:55:59,555 INFO L175 Difference]: Start difference. First operand has 323 places, 317 transitions, 697 flow. Second operand 8 states and 1963 transitions. [2024-10-13 09:55:59,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 398 transitions, 1218 flow [2024-10-13 09:55:59,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 398 transitions, 1212 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:55:59,562 INFO L231 Difference]: Finished difference. Result has 333 places, 323 transitions, 751 flow [2024-10-13 09:55:59,562 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=751, PETRI_PLACES=333, PETRI_TRANSITIONS=323} [2024-10-13 09:55:59,563 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 15 predicate places. [2024-10-13 09:55:59,563 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 323 transitions, 751 flow [2024-10-13 09:55:59,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 229.125) internal successors, (1833), 8 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:55:59,564 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:59,564 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] [2024-10-13 09:55:59,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 09:55:59,768 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 [2024-10-13 09:55:59,769 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)] === [2024-10-13 09:55:59,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:59,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1673117149, now seen corresponding path program 1 times [2024-10-13 09:55:59,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:59,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741142720] [2024-10-13 09:55:59,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:59,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-10-13 09:56:00,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:00,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741142720] [2024-10-13 09:56:00,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741142720] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:56:00,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739375495] [2024-10-13 09:56:00,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:00,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:56:00,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:56:00,106 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) [2024-10-13 09:56:00,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 09:56:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:00,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 09:56:00,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:56:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 09:56:00,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 09:56:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 09:56:01,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739375495] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 09:56:01,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 09:56:01,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-10-13 09:56:01,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225168811] [2024-10-13 09:56:01,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 09:56:01,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 09:56:01,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:01,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 09:56:01,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-10-13 09:56:01,146 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 340 [2024-10-13 09:56:01,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 323 transitions, 751 flow. Second operand has 19 states, 19 states have (on average 297.57894736842104) internal successors, (5654), 19 states have internal predecessors, (5654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:01,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:01,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 340 [2024-10-13 09:56:01,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:02,421 INFO L124 PetriNetUnfolderBase]: 24/2347 cut-off events. [2024-10-13 09:56:02,422 INFO L125 PetriNetUnfolderBase]: For 85/87 co-relation queries the response was YES. [2024-10-13 09:56:02,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2689 conditions, 2347 events. 24/2347 cut-off events. For 85/87 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1852 event pairs, 9 based on Foata normal form. 13/2323 useless extension candidates. Maximal degree in co-relation 2274. Up to 52 conditions per place. [2024-10-13 09:56:02,427 INFO L140 encePairwiseOnDemand]: 329/340 looper letters, 51 selfloop transitions, 68 changer transitions 0/409 dead transitions. [2024-10-13 09:56:02,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 409 transitions, 1399 flow [2024-10-13 09:56:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-13 09:56:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-10-13 09:56:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 18717 transitions. [2024-10-13 09:56:02,457 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8738095238095238 [2024-10-13 09:56:02,457 INFO L175 Difference]: Start difference. First operand has 333 places, 323 transitions, 751 flow. Second operand 63 states and 18717 transitions. [2024-10-13 09:56:02,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 409 transitions, 1399 flow [2024-10-13 09:56:02,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 409 transitions, 1392 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:02,465 INFO L231 Difference]: Finished difference. Result has 409 places, 385 transitions, 1264 flow [2024-10-13 09:56:02,466 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1264, PETRI_PLACES=409, PETRI_TRANSITIONS=385} [2024-10-13 09:56:02,466 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 91 predicate places. [2024-10-13 09:56:02,467 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 385 transitions, 1264 flow [2024-10-13 09:56:02,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 297.57894736842104) internal successors, (5654), 19 states have internal predecessors, (5654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:02,469 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:02,470 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] [2024-10-13 09:56:02,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 09:56:02,674 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 [2024-10-13 09:56:02,675 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-13 09:56:02,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:02,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1703762583, now seen corresponding path program 2 times [2024-10-13 09:56:02,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:02,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637358470] [2024-10-13 09:56:02,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:02,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2024-10-13 09:56:05,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:05,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637358470] [2024-10-13 09:56:05,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637358470] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:56:05,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138792009] [2024-10-13 09:56:05,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 09:56:05,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:56:05,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:56:05,125 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) [2024-10-13 09:56:05,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 09:56:05,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 09:56:05,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 09:56:05,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 09:56:05,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:56:05,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-13 09:56:05,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-13 09:56:05,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 09:56:05,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-13 09:56:05,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 09:56:05,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-13 09:56:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8255 trivial. 0 not checked. [2024-10-13 09:56:05,864 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 09:56:05,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138792009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:05,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 09:56:05,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-13 09:56:05,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832007948] [2024-10-13 09:56:05,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:05,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:56:05,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:05,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:56:05,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-13 09:56:06,124 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 340 [2024-10-13 09:56:06,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 385 transitions, 1264 flow. Second operand has 6 states, 6 states have (on average 233.33333333333334) internal successors, (1400), 6 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:06,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:06,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 340 [2024-10-13 09:56:06,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:08,554 INFO L124 PetriNetUnfolderBase]: 735/4721 cut-off events. [2024-10-13 09:56:08,554 INFO L125 PetriNetUnfolderBase]: For 680/698 co-relation queries the response was YES. [2024-10-13 09:56:08,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7658 conditions, 4721 events. 735/4721 cut-off events. For 680/698 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 21922 event pairs, 290 based on Foata normal form. 43/4557 useless extension candidates. Maximal degree in co-relation 5611. Up to 1913 conditions per place. [2024-10-13 09:56:08,571 INFO L140 encePairwiseOnDemand]: 305/340 looper letters, 127 selfloop transitions, 123 changer transitions 0/533 dead transitions. [2024-10-13 09:56:08,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 533 transitions, 2074 flow [2024-10-13 09:56:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:56:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:56:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1590 transitions. [2024-10-13 09:56:08,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7794117647058824 [2024-10-13 09:56:08,576 INFO L175 Difference]: Start difference. First operand has 409 places, 385 transitions, 1264 flow. Second operand 6 states and 1590 transitions. [2024-10-13 09:56:08,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 533 transitions, 2074 flow [2024-10-13 09:56:08,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 533 transitions, 1998 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-10-13 09:56:08,588 INFO L231 Difference]: Finished difference. Result has 412 places, 501 transitions, 1992 flow [2024-10-13 09:56:08,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1992, PETRI_PLACES=412, PETRI_TRANSITIONS=501} [2024-10-13 09:56:08,589 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 94 predicate places. [2024-10-13 09:56:08,589 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 501 transitions, 1992 flow [2024-10-13 09:56:08,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.33333333333334) internal successors, (1400), 6 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:08,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:08,590 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] [2024-10-13 09:56:08,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 09:56:08,790 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 [2024-10-13 09:56:08,791 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-13 09:56:08,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:08,792 INFO L85 PathProgramCache]: Analyzing trace with hash -669663978, now seen corresponding path program 1 times [2024-10-13 09:56:08,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:08,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601527457] [2024-10-13 09:56:08,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:08,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-10-13 09:56:10,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:10,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601527457] [2024-10-13 09:56:10,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601527457] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:56:10,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133751385] [2024-10-13 09:56:10,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:10,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:56:10,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:56:10,225 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) [2024-10-13 09:56:10,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 09:56:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:11,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 5500 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 09:56:11,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:56:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-10-13 09:56:12,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 09:56:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-10-13 09:56:12,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133751385] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 09:56:12,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 09:56:12,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-10-13 09:56:12,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721731593] [2024-10-13 09:56:12,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 09:56:12,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-13 09:56:12,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:12,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-13 09:56:12,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 09:56:12,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 340 [2024-10-13 09:56:12,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 501 transitions, 1992 flow. Second operand has 35 states, 35 states have (on average 297.51428571428573) internal successors, (10413), 35 states have internal predecessors, (10413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:12,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:12,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 340 [2024-10-13 09:56:12,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:15,959 INFO L124 PetriNetUnfolderBase]: 304/5683 cut-off events. [2024-10-13 09:56:15,959 INFO L125 PetriNetUnfolderBase]: For 3713/3714 co-relation queries the response was YES. [2024-10-13 09:56:15,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7895 conditions, 5683 events. 304/5683 cut-off events. For 3713/3714 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10709 event pairs, 0 based on Foata normal form. 34/5613 useless extension candidates. Maximal degree in co-relation 4927. Up to 370 conditions per place. [2024-10-13 09:56:15,977 INFO L140 encePairwiseOnDemand]: 329/340 looper letters, 73 selfloop transitions, 140 changer transitions 0/603 dead transitions. [2024-10-13 09:56:15,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 603 transitions, 3179 flow [2024-10-13 09:56:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-13 09:56:15,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2024-10-13 09:56:15,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 14566 transitions. [2024-10-13 09:56:15,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8743097238895559 [2024-10-13 09:56:15,985 INFO L175 Difference]: Start difference. First operand has 412 places, 501 transitions, 1992 flow. Second operand 49 states and 14566 transitions. [2024-10-13 09:56:15,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 603 transitions, 3179 flow [2024-10-13 09:56:15,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 603 transitions, 3164 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-10-13 09:56:16,003 INFO L231 Difference]: Finished difference. Result has 446 places, 553 transitions, 2811 flow [2024-10-13 09:56:16,003 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=1926, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=2811, PETRI_PLACES=446, PETRI_TRANSITIONS=553} [2024-10-13 09:56:16,004 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 128 predicate places. [2024-10-13 09:56:16,004 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 553 transitions, 2811 flow [2024-10-13 09:56:16,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 297.51428571428573) internal successors, (10413), 35 states have internal predecessors, (10413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:16,007 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:16,008 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] [2024-10-13 09:56:16,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 09:56:16,208 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 [2024-10-13 09:56:16,209 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)] === [2024-10-13 09:56:16,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:16,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1862924334, now seen corresponding path program 1 times [2024-10-13 09:56:16,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:16,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502798110] [2024-10-13 09:56:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:16,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-10-13 09:56:25,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:25,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502798110] [2024-10-13 09:56:25,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502798110] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:56:25,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167318363] [2024-10-13 09:56:25,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:25,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:56:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:56:25,046 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 09:56:25,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 09:56:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:27,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 11407 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 09:56:27,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:56:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-10-13 09:56:28,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 09:56:30,319 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-10-13 09:56:30,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167318363] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 09:56:30,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 09:56:30,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-10-13 09:56:30,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508407601] [2024-10-13 09:56:30,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 09:56:30,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-13 09:56:30,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:30,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-13 09:56:30,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-10-13 09:56:30,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340 [2024-10-13 09:56:30,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 553 transitions, 2811 flow. Second operand has 63 states, 63 states have (on average 303.1111111111111) internal successors, (19096), 63 states have internal predecessors, (19096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:30,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:30,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340 [2024-10-13 09:56:30,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:38,769 INFO L124 PetriNetUnfolderBase]: 252/9447 cut-off events. [2024-10-13 09:56:38,769 INFO L125 PetriNetUnfolderBase]: For 13783/13838 co-relation queries the response was YES. [2024-10-13 09:56:38,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12474 conditions, 9447 events. 252/9447 cut-off events. For 13783/13838 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8691 event pairs, 0 based on Foata normal form. 45/9407 useless extension candidates. Maximal degree in co-relation 10142. Up to 346 conditions per place. [2024-10-13 09:56:38,801 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 94 selfloop transitions, 270 changer transitions 0/759 dead transitions. [2024-10-13 09:56:38,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 759 transitions, 5725 flow [2024-10-13 09:56:38,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-13 09:56:38,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-10-13 09:56:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 27239 transitions. [2024-10-13 09:56:38,816 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8901633986928105 [2024-10-13 09:56:38,817 INFO L175 Difference]: Start difference. First operand has 446 places, 553 transitions, 2811 flow. Second operand 90 states and 27239 transitions. [2024-10-13 09:56:38,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 759 transitions, 5725 flow [2024-10-13 09:56:38,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 759 transitions, 5609 flow, removed 0 selfloop flow, removed 21 redundant places. [2024-10-13 09:56:38,853 INFO L231 Difference]: Finished difference. Result has 530 places, 691 transitions, 4687 flow [2024-10-13 09:56:38,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=2695, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4687, PETRI_PLACES=530, PETRI_TRANSITIONS=691} [2024-10-13 09:56:38,854 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 212 predicate places. [2024-10-13 09:56:38,854 INFO L471 AbstractCegarLoop]: Abstraction has has 530 places, 691 transitions, 4687 flow [2024-10-13 09:56:38,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 303.1111111111111) internal successors, (19096), 63 states have internal predecessors, (19096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:56:38,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:38,862 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] [2024-10-13 09:56:38,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 09:56:39,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:56:39,064 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-13 09:56:39,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:39,065 INFO L85 PathProgramCache]: Analyzing trace with hash -971044178, now seen corresponding path program 2 times [2024-10-13 09:56:39,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:39,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856070052] [2024-10-13 09:56:39,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:39,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat