./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_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 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_92-evilcollapse_racing.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 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:51:38,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:51:38,728 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:51:38,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:51:38,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:51:38,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:51:38,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:51:38,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:51:38,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:51:38,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:51:38,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:51:38,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:51:38,774 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:51:38,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:51:38,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:51:38,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:51:38,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:51:38,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:51:38,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:51:38,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:51:38,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:51:38,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:51:38,781 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:51:38,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:51:38,781 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:51:38,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:51:38,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:51:38,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:51:38,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:51:38,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:51:38,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:51:38,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:51:38,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:51:38,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:51:38,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:51:38,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:51:38,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:51:38,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:51:38,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:51:38,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:51:38,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:51:38,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 [2024-11-20 13:51:39,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:51:39,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:51:39,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:51:39,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:51:39,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:51:39,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-11-20 13:51:40,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:51:40,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:51:40,758 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-11-20 13:51:40,782 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275769a20/1d1f0a1e3bf3428fb3179694c71532c2/FLAGb86048b31 [2024-11-20 13:51:41,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275769a20/1d1f0a1e3bf3428fb3179694c71532c2 [2024-11-20 13:51:41,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:51:41,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:51:41,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:51:41,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:51:41,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:51:41,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:41,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208cef55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41, skipping insertion in model container [2024-11-20 13:51:41,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:41,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:51:41,616 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-20 13:51:41,619 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-20 13:51:41,620 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-20 13:51:41,621 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-20 13:51:41,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:51:41,706 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:51:41,766 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-20 13:51:41,771 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-20 13:51:41,772 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-20 13:51:41,776 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-20 13:51:41,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:51:41,865 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:51:41,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41 WrapperNode [2024-11-20 13:51:41,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:51:41,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:51:41,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:51:41,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:51:41,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:41,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:41,988 INFO L138 Inliner]: procedures = 280, calls = 136, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 456 [2024-11-20 13:51:41,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:51:41,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:51:41,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:51:41,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:51:41,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:41,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:42,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:42,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:42,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:42,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:42,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:42,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:42,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:51:42,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:51:42,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:51:42,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:51:42,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (1/1) ... [2024-11-20 13:51:42,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:51:42,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:51:42,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 13:51:42,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 13:51:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 13:51:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-20 13:51:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-20 13:51:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-20 13:51:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-20 13:51:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:51:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:51:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:51:42,172 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:51:42,332 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:51:42,335 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:51:43,079 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:51:43,082 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:51:43,129 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:51:43,129 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-20 13:51:43,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:51:43 BoogieIcfgContainer [2024-11-20 13:51:43,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:51:43,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:51:43,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:51:43,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:51:43,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:51:41" (1/3) ... [2024-11-20 13:51:43,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3114337a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:51:43, skipping insertion in model container [2024-11-20 13:51:43,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:51:41" (2/3) ... [2024-11-20 13:51:43,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3114337a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:51:43, skipping insertion in model container [2024-11-20 13:51:43,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:51:43" (3/3) ... [2024-11-20 13:51:43,140 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2024-11-20 13:51:43,158 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:51:43,158 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2024-11-20 13:51:43,158 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:51:43,272 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-20 13:51:43,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 477 places, 501 transitions, 1009 flow [2024-11-20 13:51:43,506 INFO L124 PetriNetUnfolderBase]: 29/533 cut-off events. [2024-11-20 13:51:43,506 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:51:43,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 533 events. 29/533 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 944 event pairs, 0 based on Foata normal form. 0/476 useless extension candidates. Maximal degree in co-relation 348. Up to 4 conditions per place. [2024-11-20 13:51:43,517 INFO L82 GeneralOperation]: Start removeDead. Operand has 477 places, 501 transitions, 1009 flow [2024-11-20 13:51:43,528 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 477 places, 501 transitions, 1009 flow [2024-11-20 13:51:43,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:51:43,553 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;@55a493e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:51:43,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-20 13:51:43,611 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:51:43,611 INFO L124 PetriNetUnfolderBase]: 1/121 cut-off events. [2024-11-20 13:51:43,611 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:51:43,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:43,612 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] [2024-11-20 13:51:43,613 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:43,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:43,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1831000005, now seen corresponding path program 1 times [2024-11-20 13:51:43,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:43,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207005725] [2024-11-20 13:51:43,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:43,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:44,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:44,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207005725] [2024-11-20 13:51:44,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207005725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:44,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:44,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:51:44,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091039917] [2024-11-20 13:51:44,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:44,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:51:44,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:44,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:51:44,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:51:45,462 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 501 [2024-11-20 13:51:45,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 501 transitions, 1009 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:45,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:45,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 501 [2024-11-20 13:51:45,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:46,039 INFO L124 PetriNetUnfolderBase]: 319/1693 cut-off events. [2024-11-20 13:51:46,039 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-20 13:51:46,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2399 conditions, 1693 events. 319/1693 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9572 event pairs, 288 based on Foata normal form. 184/1741 useless extension candidates. Maximal degree in co-relation 1972. Up to 690 conditions per place. [2024-11-20 13:51:46,053 INFO L140 encePairwiseOnDemand]: 468/501 looper letters, 96 selfloop transitions, 10 changer transitions 2/476 dead transitions. [2024-11-20 13:51:46,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 476 transitions, 1171 flow [2024-11-20 13:51:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:51:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:51:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2355 transitions. [2024-11-20 13:51:46,082 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.783433133732535 [2024-11-20 13:51:46,084 INFO L175 Difference]: Start difference. First operand has 477 places, 501 transitions, 1009 flow. Second operand 6 states and 2355 transitions. [2024-11-20 13:51:46,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 476 transitions, 1171 flow [2024-11-20 13:51:46,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 476 transitions, 1171 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:51:46,106 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 975 flow [2024-11-20 13:51:46,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=975, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-11-20 13:51:46,116 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, 1 predicate places. [2024-11-20 13:51:46,116 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 975 flow [2024-11-20 13:51:46,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:46,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:46,118 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] [2024-11-20 13:51:46,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:51:46,119 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:46,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:46,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1041739976, now seen corresponding path program 1 times [2024-11-20 13:51:46,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:46,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130508035] [2024-11-20 13:51:46,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:46,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:46,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:46,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130508035] [2024-11-20 13:51:46,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130508035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:46,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:46,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:51:46,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037554371] [2024-11-20 13:51:46,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:46,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:51:46,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:46,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:51:46,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:51:47,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 501 [2024-11-20 13:51:47,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 975 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:47,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:47,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 501 [2024-11-20 13:51:47,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:47,708 INFO L124 PetriNetUnfolderBase]: 319/1689 cut-off events. [2024-11-20 13:51:47,709 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-20 13:51:47,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2406 conditions, 1689 events. 319/1689 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9566 event pairs, 288 based on Foata normal form. 0/1557 useless extension candidates. Maximal degree in co-relation 2231. Up to 690 conditions per place. [2024-11-20 13:51:47,718 INFO L140 encePairwiseOnDemand]: 489/501 looper letters, 96 selfloop transitions, 10 changer transitions 0/472 dead transitions. [2024-11-20 13:51:47,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 472 transitions, 1183 flow [2024-11-20 13:51:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:51:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:51:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2334 transitions. [2024-11-20 13:51:47,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7764471057884231 [2024-11-20 13:51:47,762 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 975 flow. Second operand 6 states and 2334 transitions. [2024-11-20 13:51:47,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 472 transitions, 1183 flow [2024-11-20 13:51:47,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 472 transitions, 1163 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:51:47,779 INFO L231 Difference]: Finished difference. Result has 474 places, 472 transitions, 971 flow [2024-11-20 13:51:47,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=971, PETRI_PLACES=474, PETRI_TRANSITIONS=472} [2024-11-20 13:51:47,780 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -3 predicate places. [2024-11-20 13:51:47,781 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 472 transitions, 971 flow [2024-11-20 13:51:47,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:47,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:47,783 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] [2024-11-20 13:51:47,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:51:47,783 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:47,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:47,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1261717891, now seen corresponding path program 1 times [2024-11-20 13:51:47,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:47,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388674152] [2024-11-20 13:51:47,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:47,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:47,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:47,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388674152] [2024-11-20 13:51:47,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388674152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:47,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:47,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:51:47,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968660848] [2024-11-20 13:51:47,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:47,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:51:47,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:47,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:51:47,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:51:47,906 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-20 13:51:47,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 472 transitions, 971 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:47,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:47,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-20 13:51:47,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:48,007 INFO L124 PetriNetUnfolderBase]: 15/650 cut-off events. [2024-11-20 13:51:48,007 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-20 13:51:48,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 650 events. 15/650 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1439 event pairs, 8 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 487. Up to 34 conditions per place. [2024-11-20 13:51:48,010 INFO L140 encePairwiseOnDemand]: 498/501 looper letters, 15 selfloop transitions, 2 changer transitions 0/473 dead transitions. [2024-11-20 13:51:48,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 473 transitions, 1007 flow [2024-11-20 13:51:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:51:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:51:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1407 transitions. [2024-11-20 13:51:48,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936127744510978 [2024-11-20 13:51:48,014 INFO L175 Difference]: Start difference. First operand has 474 places, 472 transitions, 971 flow. Second operand 3 states and 1407 transitions. [2024-11-20 13:51:48,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 473 transitions, 1007 flow [2024-11-20 13:51:48,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 473 transitions, 987 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:51:48,026 INFO L231 Difference]: Finished difference. Result has 472 places, 473 transitions, 963 flow [2024-11-20 13:51:48,027 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=963, PETRI_PLACES=472, PETRI_TRANSITIONS=473} [2024-11-20 13:51:48,027 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -5 predicate places. [2024-11-20 13:51:48,028 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 473 transitions, 963 flow [2024-11-20 13:51:48,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:48,029 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:48,029 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] [2024-11-20 13:51:48,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:51:48,030 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:48,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:48,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1440974403, now seen corresponding path program 1 times [2024-11-20 13:51:48,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:48,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104658057] [2024-11-20 13:51:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:48,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:48,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:48,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104658057] [2024-11-20 13:51:48,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104658057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:48,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:48,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:51:48,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144353173] [2024-11-20 13:51:48,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:48,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:51:48,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:48,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:51:48,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:51:49,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 501 [2024-11-20 13:51:49,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 473 transitions, 963 flow. Second operand has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:49,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:49,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 501 [2024-11-20 13:51:49,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:49,565 INFO L124 PetriNetUnfolderBase]: 320/1811 cut-off events. [2024-11-20 13:51:49,565 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-20 13:51:49,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2572 conditions, 1811 events. 320/1811 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9972 event pairs, 288 based on Foata normal form. 0/1675 useless extension candidates. Maximal degree in co-relation 2295. Up to 738 conditions per place. [2024-11-20 13:51:49,575 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 103 selfloop transitions, 5 changer transitions 0/472 dead transitions. [2024-11-20 13:51:49,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 472 transitions, 1177 flow [2024-11-20 13:51:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:51:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:51:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2329 transitions. [2024-11-20 13:51:49,580 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7747837658017299 [2024-11-20 13:51:49,581 INFO L175 Difference]: Start difference. First operand has 472 places, 473 transitions, 963 flow. Second operand 6 states and 2329 transitions. [2024-11-20 13:51:49,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 472 transitions, 1177 flow [2024-11-20 13:51:49,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 472 transitions, 1175 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:51:49,589 INFO L231 Difference]: Finished difference. Result has 475 places, 472 transitions, 969 flow [2024-11-20 13:51:49,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=969, PETRI_PLACES=475, PETRI_TRANSITIONS=472} [2024-11-20 13:51:49,591 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -2 predicate places. [2024-11-20 13:51:49,591 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 472 transitions, 969 flow [2024-11-20 13:51:49,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:49,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:49,593 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] [2024-11-20 13:51:49,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:51:49,594 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:49,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:49,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1448542171, now seen corresponding path program 1 times [2024-11-20 13:51:49,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:49,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247988800] [2024-11-20 13:51:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:49,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:49,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247988800] [2024-11-20 13:51:49,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247988800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:49,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:49,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:51:49,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327195429] [2024-11-20 13:51:49,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:49,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:51:49,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:49,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:51:49,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:51:49,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-20 13:51:49,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 472 transitions, 969 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:49,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:49,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-20 13:51:49,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:49,817 INFO L124 PetriNetUnfolderBase]: 15/836 cut-off events. [2024-11-20 13:51:49,817 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-20 13:51:49,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 836 events. 15/836 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1661 event pairs, 8 based on Foata normal form. 2/788 useless extension candidates. Maximal degree in co-relation 682. Up to 38 conditions per place. [2024-11-20 13:51:49,821 INFO L140 encePairwiseOnDemand]: 498/501 looper letters, 15 selfloop transitions, 2 changer transitions 0/473 dead transitions. [2024-11-20 13:51:49,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 473 transitions, 1005 flow [2024-11-20 13:51:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:51:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:51:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1407 transitions. [2024-11-20 13:51:49,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936127744510978 [2024-11-20 13:51:49,824 INFO L175 Difference]: Start difference. First operand has 475 places, 472 transitions, 969 flow. Second operand 3 states and 1407 transitions. [2024-11-20 13:51:49,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 473 transitions, 1005 flow [2024-11-20 13:51:49,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 473 transitions, 995 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:51:49,833 INFO L231 Difference]: Finished difference. Result has 473 places, 473 transitions, 971 flow [2024-11-20 13:51:49,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=971, PETRI_PLACES=473, PETRI_TRANSITIONS=473} [2024-11-20 13:51:49,834 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -4 predicate places. [2024-11-20 13:51:49,834 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 473 transitions, 971 flow [2024-11-20 13:51:49,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:49,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:49,836 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:51:49,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:51:49,836 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:49,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:49,837 INFO L85 PathProgramCache]: Analyzing trace with hash -977353756, now seen corresponding path program 1 times [2024-11-20 13:51:49,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:49,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485313568] [2024-11-20 13:51:49,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:49,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:50,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:50,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485313568] [2024-11-20 13:51:50,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485313568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:50,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:50,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:51:50,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560867593] [2024-11-20 13:51:50,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:50,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:51:50,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:50,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:51:50,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:51:51,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 501 [2024-11-20 13:51:51,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 473 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 411.5) internal successors, (2469), 6 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:51,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:51,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 501 [2024-11-20 13:51:51,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:51,506 INFO L124 PetriNetUnfolderBase]: 83/1150 cut-off events. [2024-11-20 13:51:51,507 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-20 13:51:51,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1507 conditions, 1150 events. 83/1150 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3553 event pairs, 64 based on Foata normal form. 0/1063 useless extension candidates. Maximal degree in co-relation 963. Up to 315 conditions per place. [2024-11-20 13:51:51,511 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 66 selfloop transitions, 5 changer transitions 0/472 dead transitions. [2024-11-20 13:51:51,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 472 transitions, 1111 flow [2024-11-20 13:51:51,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:51:51,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:51:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2514 transitions. [2024-11-20 13:51:51,516 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8363273453093812 [2024-11-20 13:51:51,516 INFO L175 Difference]: Start difference. First operand has 473 places, 473 transitions, 971 flow. Second operand 6 states and 2514 transitions. [2024-11-20 13:51:51,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 472 transitions, 1111 flow [2024-11-20 13:51:51,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 472 transitions, 1109 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:51:51,526 INFO L231 Difference]: Finished difference. Result has 476 places, 472 transitions, 977 flow [2024-11-20 13:51:51,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=977, PETRI_PLACES=476, PETRI_TRANSITIONS=472} [2024-11-20 13:51:51,529 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -1 predicate places. [2024-11-20 13:51:51,529 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 472 transitions, 977 flow [2024-11-20 13:51:51,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 411.5) internal successors, (2469), 6 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:51,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:51,531 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:51:51,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:51:51,531 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:51,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:51,532 INFO L85 PathProgramCache]: Analyzing trace with hash 720839725, now seen corresponding path program 1 times [2024-11-20 13:51:51,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:51,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345446840] [2024-11-20 13:51:51,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:51,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:52,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:52,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:52,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345446840] [2024-11-20 13:51:52,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345446840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:52,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:52,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:51:52,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432037087] [2024-11-20 13:51:52,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:52,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:51:52,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:52,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:51:52,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:51:52,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 501 [2024-11-20 13:51:52,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 472 transitions, 977 flow. Second operand has 6 states, 6 states have (on average 375.3333333333333) internal successors, (2252), 6 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:52,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:52,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 501 [2024-11-20 13:51:52,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:53,050 INFO L124 PetriNetUnfolderBase]: 320/1991 cut-off events. [2024-11-20 13:51:53,051 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-20 13:51:53,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2856 conditions, 1991 events. 320/1991 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10592 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2338. Up to 804 conditions per place. [2024-11-20 13:51:53,060 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 103 selfloop transitions, 5 changer transitions 0/471 dead transitions. [2024-11-20 13:51:53,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 471 transitions, 1191 flow [2024-11-20 13:51:53,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:51:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:51:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2329 transitions. [2024-11-20 13:51:53,068 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7747837658017299 [2024-11-20 13:51:53,068 INFO L175 Difference]: Start difference. First operand has 476 places, 472 transitions, 977 flow. Second operand 6 states and 2329 transitions. [2024-11-20 13:51:53,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 471 transitions, 1191 flow [2024-11-20 13:51:53,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 471 transitions, 1181 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:51:53,077 INFO L231 Difference]: Finished difference. Result has 475 places, 471 transitions, 975 flow [2024-11-20 13:51:53,077 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=965, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=975, PETRI_PLACES=475, PETRI_TRANSITIONS=471} [2024-11-20 13:51:53,078 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -2 predicate places. [2024-11-20 13:51:53,079 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 471 transitions, 975 flow [2024-11-20 13:51:53,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 375.3333333333333) internal successors, (2252), 6 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:53,081 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:53,081 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:51:53,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:51:53,081 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:53,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:53,082 INFO L85 PathProgramCache]: Analyzing trace with hash 385072527, now seen corresponding path program 1 times [2024-11-20 13:51:53,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:53,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418864029] [2024-11-20 13:51:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:53,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:53,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418864029] [2024-11-20 13:51:53,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418864029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:53,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:53,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:51:53,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938950] [2024-11-20 13:51:53,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:53,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:51:53,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:53,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:51:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:51:54,182 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 501 [2024-11-20 13:51:54,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 471 transitions, 975 flow. Second operand has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:54,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:54,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 501 [2024-11-20 13:51:54,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:54,744 INFO L124 PetriNetUnfolderBase]: 320/1987 cut-off events. [2024-11-20 13:51:54,744 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-20 13:51:54,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2836 conditions, 1987 events. 320/1987 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10568 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2354. Up to 788 conditions per place. [2024-11-20 13:51:54,754 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 99 selfloop transitions, 5 changer transitions 0/470 dead transitions. [2024-11-20 13:51:54,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 470 transitions, 1181 flow [2024-11-20 13:51:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:51:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:51:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2349 transitions. [2024-11-20 13:51:54,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.781437125748503 [2024-11-20 13:51:54,762 INFO L175 Difference]: Start difference. First operand has 475 places, 471 transitions, 975 flow. Second operand 6 states and 2349 transitions. [2024-11-20 13:51:54,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 470 transitions, 1181 flow [2024-11-20 13:51:54,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 470 transitions, 1171 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:51:54,772 INFO L231 Difference]: Finished difference. Result has 474 places, 470 transitions, 973 flow [2024-11-20 13:51:54,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=963, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=973, PETRI_PLACES=474, PETRI_TRANSITIONS=470} [2024-11-20 13:51:54,775 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -3 predicate places. [2024-11-20 13:51:54,775 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 470 transitions, 973 flow [2024-11-20 13:51:54,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:54,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:54,777 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:51:54,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:51:54,781 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:54,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:54,782 INFO L85 PathProgramCache]: Analyzing trace with hash 231178017, now seen corresponding path program 1 times [2024-11-20 13:51:54,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:54,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168874402] [2024-11-20 13:51:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:54,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:55,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:55,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168874402] [2024-11-20 13:51:55,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168874402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:55,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:55,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:51:55,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918248815] [2024-11-20 13:51:55,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:55,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:51:55,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:55,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:51:55,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:51:55,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 501 [2024-11-20 13:51:55,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 470 transitions, 973 flow. Second operand has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:55,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:55,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 501 [2024-11-20 13:51:55,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:56,121 INFO L124 PetriNetUnfolderBase]: 320/1983 cut-off events. [2024-11-20 13:51:56,121 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-20 13:51:56,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2832 conditions, 1983 events. 320/1983 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10544 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2369. Up to 788 conditions per place. [2024-11-20 13:51:56,132 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 99 selfloop transitions, 5 changer transitions 0/469 dead transitions. [2024-11-20 13:51:56,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 469 transitions, 1179 flow [2024-11-20 13:51:56,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:51:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:51:56,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2349 transitions. [2024-11-20 13:51:56,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.781437125748503 [2024-11-20 13:51:56,141 INFO L175 Difference]: Start difference. First operand has 474 places, 470 transitions, 973 flow. Second operand 6 states and 2349 transitions. [2024-11-20 13:51:56,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 469 transitions, 1179 flow [2024-11-20 13:51:56,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 469 transitions, 1169 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:51:56,154 INFO L231 Difference]: Finished difference. Result has 473 places, 469 transitions, 971 flow [2024-11-20 13:51:56,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=971, PETRI_PLACES=473, PETRI_TRANSITIONS=469} [2024-11-20 13:51:56,156 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -4 predicate places. [2024-11-20 13:51:56,156 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 469 transitions, 971 flow [2024-11-20 13:51:56,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:56,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:56,158 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:51:56,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:51:56,158 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:56,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:56,159 INFO L85 PathProgramCache]: Analyzing trace with hash 653906021, now seen corresponding path program 1 times [2024-11-20 13:51:56,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:56,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031312674] [2024-11-20 13:51:56,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:56,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:56,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:56,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031312674] [2024-11-20 13:51:56,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031312674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:51:56,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:51:56,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:51:56,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829442535] [2024-11-20 13:51:56,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:51:56,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:51:56,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:56,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:51:56,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:51:57,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 501 [2024-11-20 13:51:57,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 469 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:57,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:57,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 501 [2024-11-20 13:51:57,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:57,665 INFO L124 PetriNetUnfolderBase]: 320/1979 cut-off events. [2024-11-20 13:51:57,666 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-20 13:51:57,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2848 conditions, 1979 events. 320/1979 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10530 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2382. Up to 808 conditions per place. [2024-11-20 13:51:57,677 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 104 selfloop transitions, 5 changer transitions 0/468 dead transitions. [2024-11-20 13:51:57,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 468 transitions, 1187 flow [2024-11-20 13:51:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:51:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:51:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2024-11-20 13:51:57,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7731204258150366 [2024-11-20 13:51:57,683 INFO L175 Difference]: Start difference. First operand has 473 places, 469 transitions, 971 flow. Second operand 6 states and 2324 transitions. [2024-11-20 13:51:57,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 468 transitions, 1187 flow [2024-11-20 13:51:57,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 468 transitions, 1177 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:51:57,692 INFO L231 Difference]: Finished difference. Result has 472 places, 468 transitions, 969 flow [2024-11-20 13:51:57,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=969, PETRI_PLACES=472, PETRI_TRANSITIONS=468} [2024-11-20 13:51:57,694 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, -5 predicate places. [2024-11-20 13:51:57,694 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 468 transitions, 969 flow [2024-11-20 13:51:57,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:57,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:57,696 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:51:57,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:51:57,696 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:57,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:57,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1649056957, now seen corresponding path program 1 times [2024-11-20 13:51:57,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:57,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377802057] [2024-11-20 13:51:57,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:57,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:57,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:57,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377802057] [2024-11-20 13:51:57,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377802057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:51:57,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067145847] [2024-11-20 13:51:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:57,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:51:57,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:51:57,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:51:57,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 13:51:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:58,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 13:51:58,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:51:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:58,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 13:51:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:51:58,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067145847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 13:51:58,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 13:51:58,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-20 13:51:58,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187250601] [2024-11-20 13:51:58,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 13:51:58,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 13:51:58,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:51:58,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 13:51:58,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 13:51:58,551 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-20 13:51:58,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 468 transitions, 969 flow. Second operand has 10 states, 10 states have (on average 461.8) internal successors, (4618), 10 states have internal predecessors, (4618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:58,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:51:58,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-20 13:51:58,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:51:58,742 INFO L124 PetriNetUnfolderBase]: 15/1000 cut-off events. [2024-11-20 13:51:58,743 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-20 13:51:58,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 1000 events. 15/1000 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1206 event pairs, 8 based on Foata normal form. 4/974 useless extension candidates. Maximal degree in co-relation 888. Up to 38 conditions per place. [2024-11-20 13:51:58,746 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 19 selfloop transitions, 9 changer transitions 0/476 dead transitions. [2024-11-20 13:51:58,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 476 transitions, 1043 flow [2024-11-20 13:51:58,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 13:51:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 13:51:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4170 transitions. [2024-11-20 13:51:58,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9248170326014638 [2024-11-20 13:51:58,754 INFO L175 Difference]: Start difference. First operand has 472 places, 468 transitions, 969 flow. Second operand 9 states and 4170 transitions. [2024-11-20 13:51:58,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 476 transitions, 1043 flow [2024-11-20 13:51:58,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 476 transitions, 1033 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:51:58,762 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 1009 flow [2024-11-20 13:51:58,763 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1009, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-11-20 13:51:58,764 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, 1 predicate places. [2024-11-20 13:51:58,764 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 1009 flow [2024-11-20 13:51:58,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 461.8) internal successors, (4618), 10 states have internal predecessors, (4618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:51:58,766 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:51:58,767 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:51:58,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 13:51:58,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-20 13:51:58,972 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:51:58,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:51:58,972 INFO L85 PathProgramCache]: Analyzing trace with hash 294771967, now seen corresponding path program 2 times [2024-11-20 13:51:58,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:51:58,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718810723] [2024-11-20 13:51:58,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:51:58,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:51:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:51:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-20 13:51:59,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:51:59,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718810723] [2024-11-20 13:51:59,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718810723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:51:59,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942306085] [2024-11-20 13:51:59,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 13:51:59,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:51:59,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:51:59,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:51:59,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 13:51:59,857 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 13:51:59,857 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 13:51:59,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 13:51:59,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:51:59,911 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 16 treesize of output 12 [2024-11-20 13:51:59,928 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 29 treesize of output 28 [2024-11-20 13:51:59,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 13:51:59,961 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 41 treesize of output 43 [2024-11-20 13:51:59,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 13:51:59,994 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 53 treesize of output 58 [2024-11-20 13:52:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-20 13:52:00,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 13:52:00,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942306085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:00,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 13:52:00,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-20 13:52:00,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900131850] [2024-11-20 13:52:00,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:00,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:52:00,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:00,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:52:00,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-20 13:52:00,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 501 [2024-11-20 13:52:00,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 1009 flow. Second operand has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:00,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:00,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 501 [2024-11-20 13:52:00,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:01,146 INFO L124 PetriNetUnfolderBase]: 83/1316 cut-off events. [2024-11-20 13:52:01,146 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2024-11-20 13:52:01,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1752 conditions, 1316 events. 83/1316 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3089 event pairs, 64 based on Foata normal form. 0/1243 useless extension candidates. Maximal degree in co-relation 1092. Up to 362 conditions per place. [2024-11-20 13:52:01,150 INFO L140 encePairwiseOnDemand]: 489/501 looper letters, 69 selfloop transitions, 10 changer transitions 0/472 dead transitions. [2024-11-20 13:52:01,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 472 transitions, 1163 flow [2024-11-20 13:52:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:52:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:52:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2469 transitions. [2024-11-20 13:52:01,156 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8213572854291418 [2024-11-20 13:52:01,156 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 1009 flow. Second operand 6 states and 2469 transitions. [2024-11-20 13:52:01,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 472 transitions, 1163 flow [2024-11-20 13:52:01,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 472 transitions, 1157 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-20 13:52:01,164 INFO L231 Difference]: Finished difference. Result has 480 places, 472 transitions, 1019 flow [2024-11-20 13:52:01,164 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1019, PETRI_PLACES=480, PETRI_TRANSITIONS=472} [2024-11-20 13:52:01,165 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, 3 predicate places. [2024-11-20 13:52:01,165 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 472 transitions, 1019 flow [2024-11-20 13:52:01,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:01,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:01,166 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:01,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 13:52:01,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-20 13:52:01,371 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:52:01,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:01,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1835266680, now seen corresponding path program 1 times [2024-11-20 13:52:01,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:01,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084632904] [2024-11-20 13:52:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:01,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-20 13:52:01,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:01,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084632904] [2024-11-20 13:52:01,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084632904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:52:01,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400333209] [2024-11-20 13:52:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:01,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:01,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:01,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:52:01,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 13:52:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:02,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 1615 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 13:52:02,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:52:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:02,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 13:52:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:03,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400333209] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 13:52:03,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 13:52:03,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-20 13:52:03,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731862515] [2024-11-20 13:52:03,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 13:52:03,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 13:52:03,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:03,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 13:52:03,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-20 13:52:03,262 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 501 [2024-11-20 13:52:03,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 472 transitions, 1019 flow. Second operand has 19 states, 19 states have (on average 456.5263157894737) internal successors, (8674), 19 states have internal predecessors, (8674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:03,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:03,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 501 [2024-11-20 13:52:03,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:04,611 INFO L124 PetriNetUnfolderBase]: 16/2378 cut-off events. [2024-11-20 13:52:04,611 INFO L125 PetriNetUnfolderBase]: For 80/81 co-relation queries the response was YES. [2024-11-20 13:52:04,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2679 conditions, 2378 events. 16/2378 cut-off events. For 80/81 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1200 event pairs, 8 based on Foata normal form. 13/2363 useless extension candidates. Maximal degree in co-relation 2450. Up to 40 conditions per place. [2024-11-20 13:52:04,617 INFO L140 encePairwiseOnDemand]: 490/501 looper letters, 51 selfloop transitions, 68 changer transitions 0/558 dead transitions. [2024-11-20 13:52:04,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 558 transitions, 1667 flow [2024-11-20 13:52:04,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-20 13:52:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-20 13:52:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 28734 transitions. [2024-11-20 13:52:04,655 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9103697367170421 [2024-11-20 13:52:04,656 INFO L175 Difference]: Start difference. First operand has 480 places, 472 transitions, 1019 flow. Second operand 63 states and 28734 transitions. [2024-11-20 13:52:04,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 558 transitions, 1667 flow [2024-11-20 13:52:04,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 558 transitions, 1647 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:52:04,666 INFO L231 Difference]: Finished difference. Result has 553 places, 534 transitions, 1519 flow [2024-11-20 13:52:04,667 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1519, PETRI_PLACES=553, PETRI_TRANSITIONS=534} [2024-11-20 13:52:04,667 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, 76 predicate places. [2024-11-20 13:52:04,668 INFO L471 AbstractCegarLoop]: Abstraction has has 553 places, 534 transitions, 1519 flow [2024-11-20 13:52:04,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 456.5263157894737) internal successors, (8674), 19 states have internal predecessors, (8674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:04,671 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:04,672 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:04,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 13:52:04,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:04,873 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:52:04,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:04,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1328653434, now seen corresponding path program 2 times [2024-11-20 13:52:04,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:04,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185142654] [2024-11-20 13:52:04,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:04,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-20 13:52:08,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:08,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185142654] [2024-11-20 13:52:08,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185142654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:52:08,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281579346] [2024-11-20 13:52:08,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 13:52:08,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:08,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:08,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:52:08,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 13:52:08,684 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 13:52:08,684 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 13:52:08,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 13:52:08,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:52:08,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 13:52:08,788 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 21 treesize of output 20 [2024-11-20 13:52:08,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 13:52:08,816 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 30 treesize of output 32 [2024-11-20 13:52:08,849 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 13:52:08,849 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 39 treesize of output 44 [2024-11-20 13:52:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-20 13:52:08,884 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 13:52:08,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281579346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:08,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 13:52:08,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-20 13:52:08,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818372215] [2024-11-20 13:52:08,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:08,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:52:08,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:08,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:52:08,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-20 13:52:09,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 501 [2024-11-20 13:52:09,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 534 transitions, 1519 flow. Second operand has 6 states, 6 states have (on average 414.3333333333333) internal successors, (2486), 6 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:09,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:09,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 501 [2024-11-20 13:52:09,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:10,662 INFO L124 PetriNetUnfolderBase]: 103/2782 cut-off events. [2024-11-20 13:52:10,662 INFO L125 PetriNetUnfolderBase]: For 436/441 co-relation queries the response was YES. [2024-11-20 13:52:10,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3952 conditions, 2782 events. 103/2782 cut-off events. For 436/441 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4043 event pairs, 80 based on Foata normal form. 0/2700 useless extension candidates. Maximal degree in co-relation 3132. Up to 823 conditions per place. [2024-11-20 13:52:10,674 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 66 selfloop transitions, 5 changer transitions 0/533 dead transitions. [2024-11-20 13:52:10,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 533 transitions, 1659 flow [2024-11-20 13:52:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:52:10,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:52:10,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2514 transitions. [2024-11-20 13:52:10,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8363273453093812 [2024-11-20 13:52:10,677 INFO L175 Difference]: Start difference. First operand has 553 places, 534 transitions, 1519 flow. Second operand 6 states and 2514 transitions. [2024-11-20 13:52:10,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 533 transitions, 1659 flow [2024-11-20 13:52:10,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 533 transitions, 1583 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-20 13:52:10,690 INFO L231 Difference]: Finished difference. Result has 550 places, 533 transitions, 1451 flow [2024-11-20 13:52:10,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=1441, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1451, PETRI_PLACES=550, PETRI_TRANSITIONS=533} [2024-11-20 13:52:10,692 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, 73 predicate places. [2024-11-20 13:52:10,692 INFO L471 AbstractCegarLoop]: Abstraction has has 550 places, 533 transitions, 1451 flow [2024-11-20 13:52:10,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 414.3333333333333) internal successors, (2486), 6 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:10,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:10,694 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:10,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 13:52:10,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:10,895 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:52:10,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:10,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1541271287, now seen corresponding path program 1 times [2024-11-20 13:52:10,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:10,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946851761] [2024-11-20 13:52:10,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-20 13:52:13,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946851761] [2024-11-20 13:52:13,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946851761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:52:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914240612] [2024-11-20 13:52:13,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:13,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:13,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:13,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:52:13,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 13:52:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:15,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 5801 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 13:52:15,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:52:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-20 13:52:15,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 13:52:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-20 13:52:16,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914240612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 13:52:16,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 13:52:16,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-20 13:52:16,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216216789] [2024-11-20 13:52:16,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 13:52:16,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-20 13:52:16,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:16,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-20 13:52:16,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 13:52:16,714 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-20 13:52:16,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 533 transitions, 1451 flow. Second operand has 34 states, 34 states have (on average 462.11764705882354) internal successors, (15712), 34 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:16,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:16,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-20 13:52:16,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:19,151 INFO L124 PetriNetUnfolderBase]: 16/4537 cut-off events. [2024-11-20 13:52:19,151 INFO L125 PetriNetUnfolderBase]: For 3211/3212 co-relation queries the response was YES. [2024-11-20 13:52:19,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5333 conditions, 4537 events. 16/4537 cut-off events. For 3211/3212 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1199 event pairs, 8 based on Foata normal form. 24/4534 useless extension candidates. Maximal degree in co-relation 5088. Up to 78 conditions per place. [2024-11-20 13:52:19,163 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 51 selfloop transitions, 135 changer transitions 0/634 dead transitions. [2024-11-20 13:52:19,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 634 transitions, 2587 flow [2024-11-20 13:52:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-20 13:52:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-20 13:52:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 20784 transitions. [2024-11-20 13:52:19,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9218895542248836 [2024-11-20 13:52:19,180 INFO L175 Difference]: Start difference. First operand has 550 places, 533 transitions, 1451 flow. Second operand 45 states and 20784 transitions. [2024-11-20 13:52:19,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 634 transitions, 2587 flow [2024-11-20 13:52:19,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 634 transitions, 2577 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:52:19,199 INFO L231 Difference]: Finished difference. Result has 598 places, 608 transitions, 2315 flow [2024-11-20 13:52:19,200 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=1441, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2315, PETRI_PLACES=598, PETRI_TRANSITIONS=608} [2024-11-20 13:52:19,201 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, 121 predicate places. [2024-11-20 13:52:19,201 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 608 transitions, 2315 flow [2024-11-20 13:52:19,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 462.11764705882354) internal successors, (15712), 34 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:19,206 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:19,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:19,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 13:52:19,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 13:52:19,408 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:52:19,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:19,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1695985911, now seen corresponding path program 2 times [2024-11-20 13:52:19,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:19,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307445416] [2024-11-20 13:52:19,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:19,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-20 13:52:28,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:28,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307445416] [2024-11-20 13:52:28,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307445416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:52:28,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669569263] [2024-11-20 13:52:28,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 13:52:28,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:28,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:28,005 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 13:52:28,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 13:52:29,291 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 13:52:29,291 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 13:52:29,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 13:52:29,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:52:29,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 13:52:29,416 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 21 treesize of output 20 [2024-11-20 13:52:29,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 13:52:29,452 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 30 treesize of output 32 [2024-11-20 13:52:29,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 13:52:29,495 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 39 treesize of output 44 [2024-11-20 13:52:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-20 13:52:29,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 13:52:29,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669569263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:29,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 13:52:29,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-20 13:52:29,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386804872] [2024-11-20 13:52:29,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:29,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:52:29,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:29,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:52:29,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-20 13:52:29,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 501 [2024-11-20 13:52:29,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 608 transitions, 2315 flow. Second operand has 6 states, 6 states have (on average 379.1666666666667) internal successors, (2275), 6 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:29,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:29,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 501 [2024-11-20 13:52:29,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:33,079 INFO L124 PetriNetUnfolderBase]: 360/5848 cut-off events. [2024-11-20 13:52:33,079 INFO L125 PetriNetUnfolderBase]: For 1225/1234 co-relation queries the response was YES. [2024-11-20 13:52:33,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8846 conditions, 5848 events. 360/5848 cut-off events. For 1225/1234 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 12030 event pairs, 324 based on Foata normal form. 0/5716 useless extension candidates. Maximal degree in co-relation 6602. Up to 2196 conditions per place. [2024-11-20 13:52:33,099 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 104 selfloop transitions, 5 changer transitions 0/607 dead transitions. [2024-11-20 13:52:33,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 607 transitions, 2531 flow [2024-11-20 13:52:33,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:52:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:52:33,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2024-11-20 13:52:33,101 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7731204258150366 [2024-11-20 13:52:33,101 INFO L175 Difference]: Start difference. First operand has 598 places, 608 transitions, 2315 flow. Second operand 6 states and 2324 transitions. [2024-11-20 13:52:33,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 607 transitions, 2531 flow [2024-11-20 13:52:33,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 607 transitions, 2423 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-20 13:52:33,122 INFO L231 Difference]: Finished difference. Result has 584 places, 607 transitions, 2215 flow [2024-11-20 13:52:33,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=2205, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2215, PETRI_PLACES=584, PETRI_TRANSITIONS=607} [2024-11-20 13:52:33,123 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, 107 predicate places. [2024-11-20 13:52:33,123 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 607 transitions, 2215 flow [2024-11-20 13:52:33,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.1666666666667) internal successors, (2275), 6 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:33,124 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:33,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:33,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 13:52:33,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 13:52:33,326 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:52:33,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:33,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1223325097, now seen corresponding path program 1 times [2024-11-20 13:52:33,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:33,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469005054] [2024-11-20 13:52:33,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:33,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-20 13:52:35,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:35,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469005054] [2024-11-20 13:52:35,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469005054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:35,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:35,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:52:35,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838431495] [2024-11-20 13:52:35,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:35,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:35,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:35,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:35,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:35,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-20 13:52:35,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 607 transitions, 2215 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:35,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:35,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-20 13:52:35,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:37,553 INFO L124 PetriNetUnfolderBase]: 46/4810 cut-off events. [2024-11-20 13:52:37,554 INFO L125 PetriNetUnfolderBase]: For 1198/1202 co-relation queries the response was YES. [2024-11-20 13:52:37,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5646 conditions, 4810 events. 46/4810 cut-off events. For 1198/1202 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3022 event pairs, 24 based on Foata normal form. 2/4743 useless extension candidates. Maximal degree in co-relation 5041. Up to 78 conditions per place. [2024-11-20 13:52:37,569 INFO L140 encePairwiseOnDemand]: 498/501 looper letters, 22 selfloop transitions, 2 changer transitions 0/615 dead transitions. [2024-11-20 13:52:37,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 615 transitions, 2279 flow [2024-11-20 13:52:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1414 transitions. [2024-11-20 13:52:37,571 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9407850964737192 [2024-11-20 13:52:37,571 INFO L175 Difference]: Start difference. First operand has 584 places, 607 transitions, 2215 flow. Second operand 3 states and 1414 transitions. [2024-11-20 13:52:37,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 615 transitions, 2279 flow [2024-11-20 13:52:37,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 615 transitions, 2269 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:52:37,590 INFO L231 Difference]: Finished difference. Result has 582 places, 607 transitions, 2213 flow [2024-11-20 13:52:37,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=2205, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2213, PETRI_PLACES=582, PETRI_TRANSITIONS=607} [2024-11-20 13:52:37,591 INFO L277 CegarLoopForPetriNet]: 477 programPoint places, 105 predicate places. [2024-11-20 13:52:37,591 INFO L471 AbstractCegarLoop]: Abstraction has has 582 places, 607 transitions, 2213 flow [2024-11-20 13:52:37,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:37,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:37,593 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:37,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 13:52:37,593 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-20 13:52:37,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash -442677911, now seen corresponding path program 1 times [2024-11-20 13:52:37,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:37,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105449066] [2024-11-20 13:52:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:37,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-20 13:52:46,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:46,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105449066] [2024-11-20 13:52:46,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105449066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 13:52:46,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307587507] [2024-11-20 13:52:46,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:46,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 13:52:46,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:46,152 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) [2024-11-20 13:52:46,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 13:52:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:49,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 11747 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-20 13:52:49,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 13:52:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-20 13:52:50,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 13:52:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-20 13:52:52,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307587507] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 13:52:52,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 13:52:52,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-20 13:52:52,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105340250] [2024-11-20 13:52:52,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 13:52:52,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-20 13:52:52,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:52,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-20 13:52:52,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-20 13:52:52,196 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-20 13:52:52,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 607 transitions, 2213 flow. Second operand has 63 states, 63 states have (on average 462.0952380952381) internal successors, (29112), 63 states have internal predecessors, (29112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:52:52,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:52,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-20 13:52:52,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand